Deep-cavity screw auxiliary mounting tool for radar mechanical assembly

Abstract

The utility model belongs to the technical field of radar mechanical assembly, and particularly relates to a deep-cavity screw auxiliary installation tool for radar mechanical assembly, which comprises a clamping handle and a clamping part, the clamping handle is connected with the clamping part through a sunk screw, the clamping part comprises two clamping rod parts and a clamping head part positioned at one end of the corresponding clamping rod part, and the clamping head part is connected with the clamping handle through the sunk screw. Each clamping head is provided with a base part for supporting a mounting screw and a limiting part for clamping the mounting screw, a supporting cavity with the diameter larger than that of a threaded part of the mounting screw and the diameter smaller than that of a screw head is defined by the interiors of the two base parts, and a limiting cavity with the diameter larger than that of the screw head is defined by the interiors of the two limiting parts; in conclusion, the device has the advantages of being simple in structure, convenient to operate, high in installation efficiency and suitable for installation screws of different models, and the view cannot be shielded, and the installation screws are not prone to falling off.

Description

Technical Field

[0001] The utility model belongs to the technical field of radar mechanical assembly, and in particular relates to a deep cavity screw auxiliary installation tool for radar mechanical assembly. Background Art

[0002] With the high-level development of structural design technology, radar products have shown characteristics such as complex structure and high integration. For example, during the antenna assembly process, the grooves between the cold plates and the internal space of the box-type chassis are relatively deep, with high integration and intensive space utilization. For the stacking of parts and components in the box, there are often many narrow spaces. These parts are mainly assembled together by screw connection, and are basically assembled by hand. However, the assembly of screws in narrow spaces and deep cavities is quite difficult. Since the assembly of radar products has anti-loosening requirements for fasteners, in addition to countersunk screws, semi-circular head, cylindrical head and other screws need to be installed with spring washers and flat washers before assembly. And when the threaded hole is a through hole, it is necessary to pre-apply thread anti-loosening glue to the thread of the mounting screw (the part that engages with the threaded hole). Therefore, it is often necessary to use and operate the mounting screws in a narrow space.

[0003] The utility model patent application number "CN202220503107.8" mentions a portable screw locking tool, including a housing, a clamping portion, and a second guide channel. The middle portion of the housing is provided with a first guide channel, the first guide channel is provided with a slidably mounted screwdriver, and the second guide channel is used to place the screw. The clamping portion is provided at the bottom of the housing, and the two clamps form a clamping channel for fixing the screw. When it is needed, the screw is first placed in the second guide channel. When the screwdriver moves down, the clamping portion can be squeezed to make the two clamping portions move away from each other. At this time, the screwdriver and one side of the clamp move away from each other, allowing the screw to slide from the second guide channel into the clamping channel. Because the two clamping portions are spaced apart, the screw can be placed in the center of the clamping channel, and the middle of the screwdriver is opposite to the center of the screw nut. When in use, the screwdriver can be directly turned, avoiding the need to straighten the screw and facilitating the fixing of the screw. However, it cannot be used in a small space, and it will block the field of view during use. It is not suitable for the assembly process of a large number of screws with a small nominal diameter.

[0004] The following difficulties are encountered in the process of assembling screws with a large number and a small nominal diameter. First, when assembling screws in a narrow space with a deep cavity, it is impossible to directly install them with both hands. The reliability of conventional tools is poor and the safe installation of the screws cannot be guaranteed. Secondly, the spring washers and flat washers installed on the screws have no self-locking properties. During assembly, once they fall off from the screws, it is very likely that excess materials will be formed in the box, resulting in rework. Therefore, there is an urgent need for an auxiliary installation tool that can ensure the safe installation of screws when assembling parts or components in a narrow space with a deep cavity, so as to solve the technical problems of inconvenient operation, easy falling of screws and low installation accuracy in the use of existing screws in a narrow space with a deep cavity. Utility Model Content

[0005] In view of this, the utility model proposes a deep-cavity screw auxiliary installation tool for radar mechanical assembly, which is applied to the field of radar mechanical assembly technology and can solve the technical problems of inconvenient operation, easy falling off of screws and low installation accuracy during the use of existing screws in deep cavities in narrow spaces.

[0006] In order to achieve the above technical objectives, the specific technical solutions adopted by this utility model are:

[0007] A deep-cavity screw auxiliary installation tool for radar mechanical assembly includes a clamping handle and a clamping part. The clamping handle and the clamping part are connected by a countersunk screw. The clamping part includes two clamping rods and a clamping head located at one end of the corresponding clamping rod. Each clamping head is provided with a base part for supporting the mounting screw and a limiting part for clamping the mounting screw. The two base parts are internally surrounded by a supporting cavity with a diameter larger than the threaded part of the mounting screw and smaller than the screw head. The two limiting parts are internally surrounded by a limiting cavity with a diameter larger than the screw head.

[0008] Furthermore, the center lines of the support cavity and the limiting cavity are located on the same axis as the center line of the clamping portion, and the center line of the clamping portion is parallel to the center line of the clamping rod and is not on the same axis.

[0009] Furthermore, the back side of the clamping portion is arc-shaped and extends obliquely away from the center line of the clamping rod. The side of the clamping portion is arranged in a plane, and the end face of the clamping portion away from the clamping rod is provided with a cutting plane, so that the top view shape of the support cavity and the limiting cavity is distributed in a two-thirds circular shape.

[0010] Furthermore, the length L of the base portion in the direction of the center line of the clamping rod is ≤1.5 mm.

[0011] Furthermore, the clamping handle is provided with a through hole for accommodating a countersunk screw, and the clamping portion is provided with a threaded hole corresponding to the position of the through hole. The countersunk screw passes through the corresponding through hole and penetrates into the threaded hole, thereby connecting the clamping handle and the clamping rod on the clamping portion through the countersunk screw.

[0012] Furthermore, the number of the countersunk screws is four, and every two countersunk screws are matched and connected with the threaded holes on the corresponding clamping rods, and the two countersunk screws on the same clamping rod extend along the center line direction of the clamping rod.

[0013] Furthermore, the clamping handle is shaped like scissors.

[0014] Furthermore, the sizes of the internal support cavity and the limiting cavity of the clamping portion match the sizes of the M2 screw.

[0015] Furthermore, the dimensions of the support cavity and the limiting cavity inside the clamping portion match the dimensions of the M2.5 screw.

[0016] Furthermore, the sizes of the internal support cavity and the limiting cavity of the clamping portion match the sizes of the M3 screw.

[0017] By adopting the above technical solution, the utility model can also bring the following beneficial effects:

[0018] 1. The utility model mentions a deep cavity screw auxiliary installation tool for radar mechanical assembly, which can be used in the deep cavity with narrow space in radar mechanical equipment. It is not only convenient to use and will not be affected by the side walls of the cavity, but also will not block the field of view and will not be affected by the viewing angle of the deep cavity. For the situation where there are a large number of installation screws, it can greatly improve work efficiency, and the installation screws are not easy to fall off during use, thereby preventing the generation of excess materials and not causing the equipment to be disassembled or reworked due to excess materials.

[0019] 2. The deep-cavity screw auxiliary installation tool for radar mechanical assembly mentioned in the utility model can replace different chucks according to the models and specifications of the mounting screws. It has a wide range of applications and high safety performance. It is also suitable for mounting screws with spring washers and flat washers. Moreover, by applying thread anti-loosening glue, it can further prevent the mounting screws from falling off, so that the mounting screws have the function of anti-loosening assembly. It has a simple structure and is very suitable for large-scale promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a structural diagram of the utility model;

[0022] Figure 2This is a structural diagram of the clamping portion in a specific embodiment of the present utility model;

[0023] Figure 3 This is a schematic diagram of the positional relationship between the mounting screws and the mounting holes in a specific embodiment of the present invention;

[0024] Figure 4 This is a schematic diagram of the connection relationship between the clamping portion and the mounting screw in a specific embodiment of the present utility model;

[0025] Among them: 1. Clamping handle; 2. Clamping part; 3. Countersunk screw; 4. Connecting part; 5. Connecting box; 6. Mounting screw; 7. Support cavity; 8. Limit cavity; 9. Clamping rod; 10. Clamping head; 11. Threaded hole; 12. Mounting hole. DETAILED DESCRIPTION

[0026] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0027] The following describes the implementation of the present invention through specific concrete examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. The present invention can also be implemented or applied through other different specific implementation methods, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0028] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on the present invention, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number of aspects described herein can be used to implement an apparatus and / or practice a method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this apparatus and / or practice this method.

[0029] It should also be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention. The illustrations only show components related to the present invention and are not drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complicated.

[0030] Additionally, in the following description, specific details are provided to provide a thorough understanding of the examples. However, one skilled in the art will appreciate that the aspects described can be practiced without these specific details.

[0031] In one embodiment of the present invention, Figures 1 to 4 As shown, the utility model mentions a deep cavity screw auxiliary installation tool for radar mechanical assembly, including a clamping handle 1 and a clamping part 2, the clamping handle 1 and the clamping part 2 are connected by a countersunk screw 3, the clamping part 2 includes two clamping rods 9 and a clamping head 10 located at one end of the corresponding clamping rod 9, each clamping head 10 is provided with a base part for supporting the mounting screw 6 and a limiting part for clamping the mounting screw 6, the two base parts are internally surrounded by a support cavity 7 with a diameter larger than the threaded part of the mounting screw 6 and a diameter smaller than the screw head, and the two limiting parts are internally surrounded by a limiting cavity 8 with a diameter larger than the screw head.

[0032] The centerlines of the support cavity 7 and the limiting cavity 8 are coaxial with the centerline of the clamping portion 2. The centerline of the clamping portion 2 is parallel to, but not coaxial with, the centerline of the clamping rod 9. The back of the clamping portion 2 is arc-shaped and extends obliquely away from the centerline of the clamping rod 9. The side surfaces of the clamping portion 2 are flat, and a cutting plane is provided on the end surface of the clamping portion 2 away from the clamping rod 9. This creates a top-down configuration of the support cavity 7 and the limiting cavity 8 that is a two-thirds circle. The length L of the base portion along the centerline of the clamping rod 9 is ≤ 1.5 mm.

[0033] The clamping handle 1 is provided with a through hole for accommodating the countersunk screw 3, and the clamping part 2 is provided with a threaded hole 11 corresponding to the position of the through hole. The countersunk screw 3 passes through the corresponding through hole and penetrates into the threaded hole 11, thereby connecting the clamping handle 1 and the clamping rod 9 on the clamping part 2 through four countersunk screws 3. Every two countersunk screws 3 are matched and connected with the threaded holes 11 on the corresponding clamping rod 9, and the two countersunk screws 3 on the same clamping rod 9 extend along the center line direction of the clamping rod 9. The shape of the clamping handle 1 is scissors-shaped. The dimensions of the support cavity and the limiting cavity 8 inside the clamping part 2 match the dimensions of an M2.5 screw. In this embodiment, the model of the mounting screw 6 is GB819. In actual use, different sizes of clamping parts 2 can also be replaced as needed, so that the dimensions of the support cavity 7 and the limiting cavity 8 inside the clamping parts 2 of different sizes match the dimensions of an M2 screw or an M3 screw, respectively.

[0034] During use of the present invention, the corresponding clamping part 2 is selected according to the nominal diameter of the mounting screw 6 to be clamped, the four countersunk screws 3 are inserted into the corresponding threaded holes 11, and then the clamping part 2 is slightly opened, and the screw heads of the mounting screws 6 to be assembled and their elastic flat washers are placed in the limiting cavity 8 of the clamping part 2, and the clamping handle 1 is closed. At this time, the clamping part 2 will clamp the mounting screws 6, and the thread glue is pre-coated on the mounting screws 6 to be assembled as needed. At this time, the connecting piece 4 to be assembled is located in the corresponding connecting box body 5, and the connecting piece 4 and the connecting box body 5 form a narrow deep cavity. The mounting hole 12 is provided on the connecting piece 4 and is located inside the deep cavity. Then, with the help of the present invention, the mounting screw 6 is sent into the mounting hole 12 in the deep cavity along the gap between the connecting piece 4 and the connecting box body 5. If the mounting screw 6 is long, in order to avoid the mounting screw 6 from When overflow occurs in the mounting hole 12, slightly loosen the clamping handle 1, use a screwdriver to tighten the screw one to two turns, then completely loosen the clamping handle 1, and move the tool out of the assembly position, and then use a screwdriver to completely assemble the screw into place. If the length of the mounting screw 6 is ≤10mm, directly loosen the clamping handle 1 after inserting it into the screw hole, and then tighten the mounting screw 6 directly after removing the tool. When there are a large number of deep cavity assembly screws, clamp the mounting screws 6 with the tool and insert them one by one into the mounting holes 12 to be installed. Do not tighten them temporarily. After all the mounting screws 6 are inserted into the corresponding threaded holes 11, use an electric screwdriver to quickly complete the tightening of all the mounting screws 6 at one time. In short, the utility model has the advantages of simple structure, easy operation, no obstruction of vision, mounting screws not easy to fall off, high installation efficiency and suitability for different types of mounting screws.

[0035] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A deep cavity screw auxiliary installation tool for radar mechanical assembly, characterized by: The invention comprises a clamping handle (1) and a clamping part (2), wherein the clamping handle (1) and the clamping part (2) are connected by a countersunk screw (3), and the clamping part (2) comprises two clamping rods (9) and a clamping head (10) located at one end of the corresponding clamping rod, and each clamping head (10) is provided with a base part for supporting the mounting screw (6) and a limiting part for clamping the mounting screw (6), the two base parts are surrounded by a supporting cavity (7) with a diameter larger than the threaded part of the mounting screw (6) and smaller than the screw head, and the two limiting parts are surrounded by a limiting cavity (8) with a diameter larger than the screw head.

2. The deep cavity screw auxiliary installation tool for radar mechanical assembly according to claim 1, characterized in that: The center lines of the support cavity (7) and the limiting cavity (8) are located on the same axis as the center line of the clamping portion (2), and the center line of the clamping portion (2) is parallel to the center line of the clamping rod (9) and is not located on the same axis.

3. The deep cavity screw auxiliary installation tool for radar mechanical assembly according to claim 2, characterized in that: The back surface of the clamping portion (2) is in an arc shape and extends obliquely in a direction away from the center line of the clamping rod (9). The side surface of the clamping portion (2) is arranged in a plane. The end surface of the clamping portion (2) away from the clamping rod (9) is provided with a cutting plane, so that the top view shape of the support cavity (7) and the limiting cavity (8) is distributed in a two-thirds circular shape.

4. The deep cavity screw auxiliary installation tool for radar mechanical assembly according to claim 3, characterized in that: The length L of the base portion in the direction of the center line of the clamping rod (9) is ≤1.5 mm.

5. The deep cavity screw auxiliary installation tool for radar mechanical assembly according to claim 4, characterized in that: The clamping handle (1) is provided with a through hole for accommodating a countersunk screw (3), and the clamping portion (2) is provided with a threaded hole (11) corresponding to the position of the through hole. The countersunk screw (3) passes through the corresponding through hole and penetrates into the threaded hole (11), thereby connecting the clamping handle (1) and the clamping rod (9) on the clamping portion (2) through the countersunk screw (3).

6. The deep cavity screw auxiliary installation tool for radar mechanical assembly according to claim 5, characterized in that: The number of the countersunk screws (3) is four, and every two countersunk screws (3) are matched and connected with the threaded holes (11) on the corresponding clamping rod (9), and the two countersunk screws (3) on the same clamping rod (9) extend along the center line direction of the clamping rod (9).

7. The deep cavity screw auxiliary installation tool for radar mechanical assembly according to claim 6, characterized in that: The clamping handle (1) is in the shape of scissors.

8. The deep cavity screw auxiliary installation tool for radar mechanical assembly according to claim 7, characterized in that: The dimensions of the internal support cavity and the limiting cavity (8) of the clamping portion (2) match the dimensions of an M2 screw.

9. The deep cavity screw auxiliary installation tool for radar mechanical assembly according to claim 8, characterized in that: The dimensions of the internal support cavity and the limiting cavity (8) of the clamping portion (2) match the dimensions of an M2.5 screw.

10. The deep cavity screw auxiliary installation tool for radar mechanical assembly according to claim 9, characterized in that: The dimensions of the internal support cavity and the limiting cavity (8) of the clamping portion (2) match the dimensions of an M3 screw.

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