Civil air defense door positioning tool

Abstract

The civil air defense door positioning tool comprises a sliding plate, the sliding plate is provided with a bearing positioning hole and a pin shaft positioning hole, the axis of the bearing positioning hole coincides with the axis of the pin shaft positioning hole, the sliding plate is arranged on a bearing of a door frame hinge in a sleeving mode through the bearing positioning hole, and a sliding groove is formed in one side of the sliding plate; the sliding plates are connected through the connecting rods, the upper ends of the connecting rods are provided with first limiting blocks and second limiting blocks, the first limiting blocks are fixed to the connecting rods, and one ends of the second limiting blocks are connected with the first limiting blocks through hinges. After the hinge lower part on the sliding plate door frame is positioned, the hinge upper part on the civil air defense door plate is positioned through the sliding plate, so that the hinge positioning operation is quickly completed, the operation is simple, the positioning precision is high, different hinges of the civil air defense door can be uniformly stressed after being welded, and the civil air defense door can smoothly rotate.

Description

Technical Field

[0001] The present application relates to the technical field of civil air defense door manufacturing, and in particular to a civil air defense door positioning tool. Background Art

[0002] Civil defense doors refer to the doors at the entrances and exits of people's defense projects. In order to withstand the impact of shock waves in wartime, civil defense doors are usually made of steel and reinforced ribs are arranged inside the door, so that the weight of civil defense doors is usually 1 to 2 tons. Civil defense doors are usually installed on door frames through multiple hinges, and the hinges are divided into upper and lower parts. When making civil defense doors, the lower part of the hinge is first welded on the door frame, and then the upper part of the hinge is welded on the door panel according to the welding position on the door frame. Civil defense doors have high requirements on the installation accuracy of hinges to ensure that the forces on each hinge are the same or close. At present, the positioning accuracy is low through manual measurement and calculation, which affects the installation accuracy of the hinges. For example, the Chinese patent with application number 202121967529.2 discloses a drilling tool for hinge plates for civil defense doors, which is mainly used for hinges fixed by punching holes and cannot be used for hinges fixed by welding. Therefore, a civil defense door positioning tool is needed, which can conveniently and quickly position the hinges on the door frame and assist in positioning the hinges on the door panel to improve the installation accuracy of the hinges. Utility Model Content

[0003] In order to solve the above problems, the present application proposes a civil air defense door positioning tool, which can conveniently and quickly position the hinges on the door frame and assist in positioning the hinges on the door panel, thereby improving the installation accuracy of the hinges.

[0004] This application is implemented through the following technical solutions:

[0005] The present application proposes a civil air defense door positioning tool, comprising:

[0006] A sliding plate, wherein the sliding plate is provided with a bearing positioning hole and a pin shaft positioning hole, the axis of the bearing positioning hole coincides with the axis of the pin shaft positioning hole, the sliding plate is sleeved on the bearing of the door frame hinge through the bearing positioning hole, and a sliding groove is provided on one side of the sliding plate;

[0007] A connecting rod, wherein the plurality of sliding plates are connected to each other through the connecting rod, wherein a first limit block and a second limit block are provided at the upper end of the connecting rod, wherein the first limit block is fixed on the connecting rod, and one end of the second limit block is connected to the first limit block through a hinge;

[0008] Among them, the first limit block is provided with a first positioning surface, and the second limit block is provided with a second positioning surface. The first positioning surface is tightly attached to the upper end surface of the civil defense door panel when positioning, and the second positioning surface is tightly attached to the inner wall of the upper part of the door frame when positioning.

[0009] Furthermore, a locking nut is provided on the sliding groove, a middle portion of the locking nut is connected to the sliding groove via a thread, and one end of the locking nut is tightly pressed on the connecting rod.

[0010] Furthermore, the cross section of the connecting rod is H-shaped.

[0011] Furthermore, a right-angle positioning portion is provided on the side of the sliding plate, and when positioning, the right-angle positioning portion is tightly attached to the side of the civil defense door panel.

[0012] Furthermore, the second limit block includes a main body and an insert block, one end of the main body is connected to the first limit block via a hinge, the lower part of the insert block is clamped with the main body, and the upper end surface of the insert block is the second positioning surface.

[0013] Furthermore, the first positioning surface and the second positioning surface are perpendicular to the connecting rod.

[0014] Furthermore, the insert has multiple specifications, and inserts of different specifications have different thicknesses.

[0015] The beneficial effects of the present application are as follows: after positioning the lower part of the hinge on the sliding plate door frame, the upper part of the hinge on the civil air defense door panel is positioned by the sliding plate, thereby quickly completing the hinge positioning operation. The operation is simple and the positioning accuracy is high, so that the different hinges of the civil air defense door can be evenly stressed after welding, so that the civil air defense door can rotate smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 It is a structural schematic diagram of the sliding plate of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the connection between the tooling and the door frame;

[0019] Figure 4 It is a structural schematic diagram of the connection between the tooling and the door panel;

[0020] Figure 5 Schematic diagram of the structure of the civil air defense door;

[0021] In the figure: 1-sliding plate, 2-bearing positioning hole, 3-pin positioning hole, 4-sliding groove, 5-connecting rod, 6-first limiting block, 7-second limiting block, 8-first positioning surface, 9-second positioning surface, 10-locking nut, 11-right angle positioning part, 71-main body, 72-embedded block. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all of them. Based on the embodiments in 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.

[0023] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0024] In addition, the descriptions of "first", "second", etc. in this application are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0025] like Figures 1 to 5 As shown, an embodiment of the utility model provides a civil air defense door positioning tooling, comprising: a sliding plate 1, the sliding plate 1 is provided with a bearing positioning hole 2 and a pin shaft positioning hole 3, the axis of the bearing positioning hole 2 coincides with the axis of the pin shaft positioning hole 3, the sliding plate 1 is mounted on the bearing of the door frame hinge through the bearing positioning hole 2, and a sliding groove 4 is provided on one side of the sliding plate 1; a connecting rod 5, a plurality of sliding plates 1 are interconnected by connecting rods 5, a first limit block 6 and a second limit block 7 are provided at the upper end of the connecting rod 5, the first limit block 6 is fixed on the connecting rod 5, and one end of the second limit block 7 is connected to the first limit block 6 through a hinge; wherein, a first positioning surface 8 is provided on the first limit block 6, and a second positioning surface 9 is provided on the second limit block 7, the first positioning surface 8 is tightly attached to the upper end surface of the civil air defense door plate when positioning, and the second positioning surface 9 is tightly attached to the inner wall of the upper part of the door frame when positioning.

[0026] like Figure 5 As shown, the civil air defense door is composed of a door frame and a door panel, and the door frame and the door panel are connected by a hinge, wherein the hinge is divided into two parts, an upper part and an lower part of the hinge, wherein the lower part of the hinge is fixed on the door frame and is provided with a bearing, and the upper part of the hinge is provided with a pin shaft.

[0027] like Figure 3 , Figure 4 As shown, when making a civil air defense door, first complete the welding of the door frame and the door panel, and then weld the lower part of the hinge to both sides of the door frame. When using this tool to position the upper part of the hinge, first put the sliding plate 1 on the bearing of the lower part of the hinge, so that the upper end surface of the bearing is tightly attached to the bearing positioning hole 2, and complete the positioning operation of the remaining sliding plates 1 in sequence, and then adjust the position of the connecting rod 5 so that the second positioning surface 9 on the second limit block 7 is tightly attached to the inner wall of the upper part of the door frame, and then fix the sliding plate 1 on the connecting rod 5 by the locking nut 10, and then remove it. After the positioning tooling, clamp the tooling on the door panel so that the first positioning surface 8 on the first limit block 6 is close to the upper end surface of the door panel, and at the same time, the right-angle positioning portion 11 of the sliding plate 1 is close to the right angle of the side of the door panel. At this time, insert the pin shaft of the upper part of the hinge into the pin shaft positioning hole 3 on the sliding plate 1, and make the lower end surface of the upper part of the hinge close to the upper end surface of the sliding plate 1. The positioning of the upper part of the hinge is never completed. The tooling is simple to operate and has high positioning accuracy, so that the different hinges of the civil air defense door can be evenly stressed after welding, so that the civil air defense door can rotate smoothly.

[0028] In a specific embodiment, a locking nut 10 is provided on the sliding groove 4 , the middle part of the locking nut 10 is connected to the sliding groove 4 through a thread, and one end of the locking nut 10 is tightly pressed on the connecting rod 5 , so as to facilitate fixing the sliding plate 1 on the connecting rod 5 .

[0029] Specifically, the cross section of the connecting rod 5 is H-shaped, which improves the bending resistance of the connecting rod 5 .

[0030] In a specific embodiment, a right-angle positioning portion 11 is provided on the side of the sliding plate 1. When positioning, the right-angle positioning portion 11 is tightly attached to the side of the civil defense door panel, so that the sliding plate 1 can be positioned by the right-angle positioning portion 11 during positioning.

[0031] Preferably, if Figure 2 As shown, the second limit block 7 includes a main body 71 and an insert block 72. One end of the main body 71 is connected to the first limit block 6 by a hinge. The lower part of the insert block 72 is clamped with the main body 71. The upper end surface of the insert block 72 is the second positioning surface 9. The main body 71 can swing and can be rotated and retracted during positioning to avoid interference. The insert block 72 can be replaced to meet the positioning requirements of different sizes.

[0032] In a preferred embodiment, the first positioning surface 8 and the second positioning surface 9 are perpendicular to the connecting rod 5 , and the first positioning surface 8 and the second positioning surface 9 are used to locate the position of the connecting rod 5 .

[0033] In a preferred embodiment, the insert 72 has multiple specifications, and the inserts 72 of different specifications have different thicknesses. The distance between the first positioning surface 8 and the second positioning surface 9 is controlled by the inserts 72 of different thicknesses to meet the positioning requirements of different sizes.

[0034] For example, assuming that the distance between the lower end face of the bearing positioning hole 2 and the upper end face of the sliding plate 1 is h1, the door panel is usually larger than the door frame, and assuming that the distance between the upper end face of the door panel and the upper inner wall plane of the door frame is h2, during positioning, the distance H between the first positioning surface 8 and the second positioning surface 9 is H = h1 + h2. Since the structure of the sliding plate 1 is fixed, that is, h1 is fixed, the worker can adjust the size of H by replacing the appropriate insert 72 through the distance parameter between the upper end face of the door panel and the upper inner wall plane of the door frame to meet the positioning requirements of different sizes.

[0035] Of course, the present application may have many other implementations. Based on the present implementation, other implementations obtained by ordinary technicians in this field without any creative work are all within the scope of protection of the present application.

Claims

1. A civil air defense door positioning tool, characterized in that: include: A sliding plate (1), wherein the sliding plate (1) is provided with a bearing positioning hole (2) and a pin shaft positioning hole (3), the axis of the bearing positioning hole (2) coincides with the axis of the pin shaft positioning hole (3), the sliding plate (1) is sleeved on the bearing of the door frame hinge through the bearing positioning hole (2), and a sliding groove (4) is provided on one side of the sliding plate (1); A connecting rod (5), wherein the plurality of sliding plates (1) are connected to each other via the connecting rod (5), wherein a first limit block (6) and a second limit block (7) are provided at the upper end of the connecting rod (5), wherein the first limit block (6) is fixed on the connecting rod (5), and one end of the second limit block (7) is connected to the first limit block (6) via a hinge; The first limiting block (6) is provided with a first positioning surface (8), and the second limiting block (7) is provided with a second positioning surface (9). The first positioning surface (8) is in close contact with the upper end surface of the civil air defense door panel when positioning, and the second positioning surface (9) is in close contact with the inner wall of the upper part of the door frame when positioning.

2. The civil air defense door positioning tool according to claim 1, characterized in that: The sliding groove (4) is provided with a locking nut (10), the middle part of the locking nut (10) is connected to the sliding groove (4) through a thread, and one end of the locking nut (10) is tightly pressed on the connecting rod (5).

3. The civil air defense door positioning tool according to claim 1, characterized in that: The cross section of the connecting rod (5) is H-shaped.

4. The civil air defense door positioning tool according to claim 1, characterized in that: The side of the sliding plate (1) is provided with a right-angle positioning portion (11), and when positioning, the right-angle positioning portion (11) is tightly attached to the side of the civil air defense door panel.

5. The civil air defense door positioning tool according to claim 1, characterized in that: The second limit block (7) comprises a main body (71) and an insert block (72); one end of the main body (71) is connected to the first limit block (6) via a hinge; the lower part of the insert block (72) is snap-connected to the main body (71); and the upper end surface of the insert block (72) is a second positioning surface (9).

6. The civil air defense door positioning tool according to claim 5, characterized in that: The first positioning surface (8) and the second positioning surface (9) are perpendicular to the connecting rod (5).

7. The civil air defense door positioning tool according to claim 5, characterized in that: The insert (72) has a plurality of specifications, and the inserts (72) of different specifications have different thicknesses.

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