Flange with wrench space

Abstract

The utility model discloses a flange with wrench space, which comprises a flange plate, a plurality of third through holes are arranged on the flange plate, a boss is arranged on one side of the flange plate, and the flange is characterized in that a plurality of wrench space structures are arranged on the boss and arranged on one sides of the third through holes. The wrench space structure comprises a second concave part, a first concave part is arranged on one side of the second concave part, and due to the fact that the first concave part and the second concave part are arranged on the outer surface of the periphery of the boss and are arranged on one side of the third penetrating hole, a worker can conveniently screw the bolt through a tool.

Description

Technical Field

[0001] The utility model relates to the technical field of reducer equipment, in particular to a flange with a wrench space. Background Art

[0002] The existing flange is provided with countersunk bolt holes. When personnel remove and install the bolts on the flange, the tool commonly used is a hexagonal screwdriver. When an external hexagonal bolt is provided, due to the setting of the flange end cover, there is not enough space to accommodate the wrench after the wrench is inserted into the outer edge of the nut. The wrench can only be screwed by contacting the nut part, which makes the disassembly and assembly of the external hexagonal bolt more cumbersome and difficult. People have conducted a lot of research on this. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a flange with a wrench space, which can solve the above-mentioned problems in the prior art.

[0004] The utility model is realized through the following technical scheme: a flange with a wrench space of the utility model comprises a flange plate, a plurality of third through holes are arranged on the flange plate, a boss is arranged on one side of the flange plate, and the utility model is characterized in that a plurality of wrench space structures are arranged on the boss, the wrench space structure is arranged on one side of the third through holes, the wrench space structure comprises a second recessed portion, and a first recessed portion is arranged on one side of the second recessed portion.

[0005] According to a further technical solution, a plurality of convex ribs are arranged around the boss.

[0006] According to a further technical solution, a first through hole is provided in the convex rib.

[0007] According to a further technical solution, a fourth through-hole is provided at the lower side of the first through-hole, and the fourth through-hole is provided in the flange and the rib.

[0008] According to a further technical solution, a first reinforcing rib is provided between the convex rib and the flange.

[0009] According to a further technical solution, a plurality of second reinforcing ribs are provided on the inner wall of the boss.

[0010] According to a further technical solution, the second reinforcing rib is arranged between the fourth through holes.

[0011] According to a further technical solution, the second reinforcing rib is connected between the inner top of the boss and the inner side end walls of the boss.

[0012] According to a further technical solution, the second recessed portion is a partial arc of a circular contour, the circular contour is concentrically arranged with the third perforation, the connecting point between the second recessed portion and the first recessed portion is an intersection point, and the intersection point is located on the circular contour.

[0013] According to a further technical solution, a line connecting the intersection point and the circular contour or the center of the third through hole is arranged at an angle to the first recessed portion.

[0014] The beneficial effects of the utility model are:

[0015] 1. By providing the first recessed portion and the second recessed portion on one side of the third through hole, it is convenient for personnel to tighten the bolt in the third through hole.

[0016] 2. The structural design of the first reinforcing ribs and the second reinforcing ribs can improve the structural strength around the first recessed portion and the second recessed portion, and avoid reducing the structural stability due to the provision of the first recessed portion and the second recessed portion. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] For ease of explanation, the present invention is described in detail by the following specific embodiments and drawings.

[0018] Figure 1 This is a schematic diagram of the overall structure of a flange with a wrench space of the utility model;

[0019] Figure 2 for Figure 1 Schematic diagram of the structure of the middle flange viewed from above;

[0020] Figure 3 for Figure 1 Schematic diagram of the center flange when used with a wrench;

[0021] Figure 4 for Figure 3 Schematic diagram of the center flange after being used with a wrench;

[0022] Figure 5 for Figure 1 A schematic diagram of the structure of the first recessed portion and the second recessed portion;

[0023] In the figure, flange 11, first through hole 12, second through hole 13, flange 14, third through hole 15, boss 16, first recess 17, second recess 18, first reinforcing rib 19, convex rib 21, fourth through hole 22, second reinforcing rib 24, groove 25, internal bolt 26, circular profile 31, intersection 32. DETAILED DESCRIPTION

[0024] like Figure 1-Figure 5As shown, the utility model is described in detail. For the convenience of description, the directions mentioned below are defined as follows: the up, down, left, right, front and back directions mentioned below are Figure 1 The up-down, left-right, front-back directions of the projection relationship are consistent. The utility model is a flange with a wrench space, including a flange plate 11, a plurality of third through holes 15 are arranged on the flange plate 11, a boss 16 is arranged on one side of the flange plate 11, a plurality of wrench space structures are arranged on the boss 16, and the wrench space structure is arranged on one side of the third through hole 15, and the third through hole 15 is used to pass the bolt.

[0025] Advantageously, a flange 14 is further provided on the top of the boss 16 , and a second through hole 13 is provided in the boss 16 .

[0026] Advantageously, a plurality of ribs 21 are arranged around the boss 16, a first through-hole 12 is arranged in the rib 21, a fourth through-hole 22 is arranged on the lower side of the first through-hole 12, the fourth through-hole 22 is arranged in the flange 11 and the rib 21, an internal bolt 26 can be arranged in the fourth through-hole 22, the screw portion of the internal bolt 26 can pass through the first through-hole 12, and the internal bolt 26 can be connected and fixed to the external space motor after passing out from the fourth through-hole 22 and the first through-hole 12.

[0027] Advantageously, a first reinforcing rib 19 is provided between the convex rib 21 and the flange 11 .

[0028] Advantageously, the inner end wall of the boss 16 is provided with a plurality of second reinforcing ribs 24, and the second reinforcing ribs 24 are provided between the fourth through holes 22.

[0029] Advantageously, the second reinforcing rib 24 is connected between the inner top of the boss 16 and the inner peripheral end walls of the boss 16 .

[0030] Advantageously, two grooves 25 are disposed at the bottom of the flange 11 , and the grooves 25 are connected to the fourth through-holes 22 .

[0031] Advantageously, the wrench space structure includes a second recessed portion 18 arranged on the outer surface of the boss 16, a first recessed portion 17 is arranged on one side of the second recessed portion 18, the second recessed portion 18 and the first recessed portion 17 are recessed toward the center of the boss 16, and the second recessed portion 18 and the first recessed portion 17 are arranged on one side of the third through hole 15, so as to facilitate the installation of bolts in the third through hole 15.

[0032] Advantageously, the second recessed portion 18 is a partial arc of a full circle, the full circle is a circular contour 31 , and the circular contour 31 is arranged concentrically with the third through-hole 15 .

[0033] Advantageously, the diameter of the circular profile 31 is greater than the diameter of the third through hole 15 . Generally, the diameter of the circular profile 31 needs to be greater than the overall outer diameter of the bolt disposed in the third through hole 15 .

[0034] Advantageously, the connecting point between the second recessed portion 18 and the first recessed portion 17 is the intersection point 32 , and the intersection point 32 is located on the circular contour 31 .

[0035] Advantageously, a line connecting the intersection point 32 and the circular contour 31 or the center of the third through hole 15 is arranged at an angle to the first recessed portion 17 .

[0036] Advantageously, the included angle is 90 degrees.

[0037] Advantageously, the wrench is rotated to an extreme position after the initial twisting of the wrench, i.e. Figure 3 The position in the Figure 4 The position in Figure 4 The position in the Figure 3 The two positions represent the maximum range in which the wrench can rotate. The angle formed by the maximum range is ∠A, and the degree of ∠A is greater than 60°. The angle range in which the wrench twists the bolt in the third through hole 15 is 0-∠A, and ∠A is greater than 60 degrees.

[0038] Since the first recessed portion 17 and the second recessed portion 18 are arranged on the outer surface around the boss 16 and the first recessed portion 17 and the second recessed portion 18 are arranged on one side of the third through hole 15, it is convenient for personnel to tighten the bolt using tools.

[0039] The number of the third perforations 15 can be actually set according to actual needs.

[0040] Since the first reinforcing rib 19 is arranged on one side of the convex rib 21 , and the second recessed portion 18 and the first recessed portion 17 are arranged on one side of the convex rib 21 , the structural strength around the first recessed portion 17 and the second recessed portion 18 is still good.

[0041] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. A flange with a wrench space, comprising a flange plate (11), a plurality of third through holes (15) are arranged on the flange plate (11), and a boss (16) is arranged on one side of the flange plate (11), characterized in that: A plurality of spanner space structures are arranged on the boss (16), the spanner space structure is arranged on one side of the third through hole (15), the spanner space structure comprises a second recessed portion (18), and a first recessed portion (17) is arranged on one side of the second recessed portion (18).

2. A flange with a wrench space according to claim 1, characterized in that: The boss (16) is provided with a plurality of convex ribs (21) around its periphery.

3. The flange with a wrench space according to claim 2, characterized in that: A first through hole (12) is provided in the convex rib (21).

4. The flange with a wrench space according to claim 3, characterized in that: A fourth through hole (22) is provided at the lower side of the first through hole (12), and the fourth through hole (22) is provided in the flange (11) and the rib (21).

5. The flange with a wrench space according to claim 1, characterized in that: The angle range of the wrench used to tighten the bolt in the third through hole (15) is 0-∠A, where ∠A is greater than 60 degrees.

6. The flange with a wrench space according to claim 4, characterized in that: The inner wall of the boss (16) is provided with a plurality of second reinforcing ribs (24).

7. The flange with a wrench space according to claim 6, characterized in that: The second reinforcing rib (24) is arranged between the fourth through holes (22).

8. The flange with a wrench space according to claim 6, characterized in that: The second reinforcing rib (24) is connected between the inner top of the boss (16) and the inner peripheral end walls of the boss (16).

9. A flange with a wrench space according to any one of claims 1 to 8, characterized in that: The second recessed portion (18) is a partial arc of a circular contour (31), the circular contour (31) is arranged concentrically with the third perforation (15), and the connecting point between the second recessed portion (18) and the first recessed portion (17) is an intersection point (32), and the intersection point (32) is located on the circular contour (31).

10. The flange with a wrench space according to claim 9, characterized in that: A line connecting the intersection point (32) and the circular contour (31) or the center of the third through hole (15) is arranged at an angle to the first recessed portion (17).

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