CN221842817U - A new type of auxiliary extraction device for large boards - Google Patents

Abstract

The utility model discloses a novel pulling-assisting device for a large-sized card, which relates to the technical field of communication and is used for analyzing and solving the problems of too small pulling-assisting force of the pulling-assisting device and complicated limit locking of the pulling-assisting device in the inserting and pulling process of the large-sized card caused by larger size and weight. In order to solve the problems, analysis is carried out based on the structural characteristics of the board card, and an friendly pulling-assisting handle is designed; a chute is designed on the board reinforcing member, and the push button nut presses the spring to switch the size steps of the limit stud so as to lock and unlock the pulling assisting device. The utility model can realize easy insertion and extraction of the large-scale card and quick limit locking of the extraction assisting device.

Description

A new type of auxiliary extraction device for large boards

Technical Field

The utility model relates to the technical field of communication, in particular to the plugging, pulling out and locking of a large board in a communication device.

Background Art

Communication equipment contains multiple boards. During the installation and maintenance of boards, they need to be plugged in and out many times. When the communication equipment is in use, the auxiliary pull-out device must be locked. For large boards, the auxiliary pull-out device on the market has a small pull-out force, laborious operation, and a cumbersome limit locking device and complex installation. Therefore, a new auxiliary pull-out device is designed for large boards.

Utility Model Content

In view of this, the utility model provides a novel extraction aid device for a large board to solve the prior art problems raised in the above background.

In order to achieve the above purpose, the utility model provides the following technical solutions:

A novel pull-out aid device for a large board includes a large board and a board reinforcement member, wherein the large board is fixedly mounted on the board reinforcement member, and further includes a pull-out aid structure; the pull-out aid structure is provided with two groups, which are respectively located at the two ends of the reinforcement member; the pull-out aid structure includes a pull-out handle, a limit stud and a fastening screw;

Both ends of the board reinforcement are provided with vertical angles, and the vertical angles are provided with through-going auxiliary extraction structure mounting holes and slide grooves, wherein the slide groove is composed of a circular hole at the bottom and a circular arc segment connected to the circular hole; a cutout is provided at the lower end of the auxiliary extraction handle, the vertical angle is embedded in the cutout, and the auxiliary extraction handle and the vertical angle of the board reinforcement are connected by a fastening screw bearing that passes through the auxiliary extraction structure mounting hole;

The fastening screw and the limiting stud both pass through the incision from one side of the pull-out assisting structure to the other side, and both are perpendicular to the vertical angle; the limiting stud comprises a threaded section, a step I section, a step II section and a fixed section connected in sequence, and the diameter of the step I section is smaller than that of the step II section; the limiting stud cooperates with the slide groove;

The step I section can move freely in the slide groove.

Furthermore, the surface of the auxiliary extraction handle is provided with an anti-slip texture.

Furthermore, the diameter of the circular hole is greater than the width of the circular arc segment; the diameter of the step II segment is smaller than the diameter of the circular hole and greater than the width of the circular arc segment.

Furthermore, it also includes a button nut; a light hole is provided on the other side of the auxiliary extraction handle, and the button nut is located in the light hole; the button nut is threadedly connected with the threaded section of the limiting stud.

Furthermore, it also includes a spring; the spring is sleeved on the step I section of the limiting stud, one end of which is connected to the button nut, and the other end is attached to the side of the vertical angle.

Furthermore, the inner diameter of the spring is larger than the step I section of the limiting stud, and the outer diameter of the spring is larger than the diameter of the circular hole of the sliding groove.

The beneficial effects of the above technical solution adopted by the utility model are:

1. The limit locking of the utility model is convenient, fast and reliable.

2. The utility model has low production cost, which greatly reduces the cost.

3. The utility model is user-friendly and can save time and effort when plugging and unplugging large boards.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the composition of the utility model;

Figure 2 is a schematic diagram of the mounting holes and slide slots of the board reinforcement member of the present invention;

FIG3 is an exploded schematic diagram of the pull-out assisting device of the present invention;

Figure 4 is a schematic diagram of the structure of the limit stud of the utility model;

FIG5 is a schematic diagram (section) of the installation of the auxiliary extraction device of the utility model;

FIG. 6 is a schematic diagram of the pulling-out assisting device of the present invention.

Among them, 1-large board, 2-board reinforcement, 3-pull-out device, 101-pull-out handle, 102-limiting stud, 103-button nut, 104-spring, 105-fastening screw.

DETAILED DESCRIPTION

The following will be combined with the drawings of the utility model to clearly and completely describe the technical solution of the utility model, which is only a part of the embodiments of the utility model. Based on the embodiments of the utility model, all embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the utility model.

The utility model provides a novel extraction-assisting device for a large board as shown in FIGS. 1 and 3 , comprising a large board 1, a board fixing member 2 and an extraction-assisting device 3. The extraction-assisting device 3 is provided with an extraction-assisting handle 101, a limit stud 102, a button nut 103, a spring 104 and a fastening screw 105.

As shown in FIG. 1 , the large board is mounted on the board fixing member by means of fastening screws on both sides.

As shown in FIG. 2 , a slide groove and a mounting hole for an auxiliary extraction device are provided on the board reinforcement member, wherein the slide groove is composed of a circular hole and a circular arc.

As shown in Figure 3, the lower end of the auxiliary extraction handle is provided with a cutout and one side is provided with a thread, and the auxiliary extraction handle can be installed on the board reinforcement by tightening the screw. The surface of the auxiliary extraction handle is provided with an anti-slip texture.

As shown in FIG4 , in addition to the threaded end and the fixed end, the limit stud also includes two step columns of different diameters, wherein the small step can freely pass through the plate reinforcement slot, and the large step can pass through the circular hole of the slot but cannot pass through the arc part of the slot.

As shown in FIG. 5 , the limiting stud is inserted into another hole of the auxiliary pull-out handle from the screw installation side of the auxiliary pull-out handle.

As shown in FIG. 5 , the spring is inserted from the other side of the auxiliary pull handle and sleeved onto the limiting stud, wherein the inner diameter of the spring is larger than the small step of the limiting stud, and the outer diameter of the spring is larger than the circular hole of the slide groove of the board reinforcement.

As shown in FIG. 5 , the button nut is provided with an internal thread and is fixed to the limiting stud by a threaded connection.

As shown in FIG6 , the button nut presses the spring, the small step of the limit stud passes through the slide slot of the board reinforcement piece, the auxiliary pull-out handle is lifted, and the board is pulled out.

Insert the large board, press the button nut, and the small step of the limit stud passes through the board fixing slot.

The button nut is loosened, the spring rebounds, the large step of the limit stud passes through the circular hole of the board reinforcement slide but cannot pass through the arc part, and the auxiliary pull handle is locked.

Finally, it should be noted that the above is only a preferred embodiment of the present invention and does not limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention defined in the attached claims should be included in the protection scope of the present invention.

Claims (6)

1. The novel pulling-assisting device for the large-scale plate card comprises the large-scale plate card and a plate card reinforcement, wherein the large-scale plate card is fixedly arranged on the plate card reinforcement; the pulling-assisting structure is provided with two groups which are respectively positioned at two ends of the reinforcement; the pulling-assisting structure comprises a pulling-assisting handle, a limiting stud and a fastening screw;

the two ends of the board reinforcement are provided with vertical angles, and the vertical angles are provided with through auxiliary pulling structure mounting holes and sliding grooves, wherein the sliding grooves consist of round holes at the bottom and arc sections connected to the round holes; the lower end of the pull-up assisting handle is provided with a notch, the vertical angle is embedded in the notch, and the vertical angles of the pull-up assisting handle and the board reinforcing member are connected through a fastening screw bearing penetrating through the mounting hole of the pull-up assisting structure;

the fastening screw and the limit stud penetrate through the notch from one side of the pull-out assisting structure to the other side, and are perpendicular to the vertical angle; the limiting stud comprises a threaded section, a step I section, a step II section and a fixed section which are connected in sequence, and the diameter of the step I section is smaller than that of the step II section; the limit stud is matched with the chute;

the step I section can freely move in the chute.

2. The novel pulling assisting device for the large-sized card according to claim 1, wherein the surface of the pulling assisting handle is provided with an anti-slip texture.

3. The novel pulling assisting device for a large-sized card according to claim 1, wherein the diameter of the round hole is larger than the width of the circular arc section; the diameter of the step II section is smaller than the diameter of the round hole and larger than the width of the circular arc section.

4. The novel pulling assisting device for a large-sized card according to claim 1, further comprising a button nut; the other side of the pull-up assisting handle is provided with a light hole, and the button nut is positioned in the light hole; the button nut is in threaded connection with the threaded section of the limit stud.

5. The novel pulling assisting device for a large-sized card according to claim 4, further comprising a spring; the spring is sleeved on the step I section of the limit stud, one end of the spring is connected with the button nut, and the other end of the spring is attached to the side face of the vertical angle.

6. The novel pulling assisting device for the large-sized card according to claim 5, wherein the inner diameter of the spring is larger than the step I section of the limit stud, and the outer diameter of the spring is larger than the diameter of the circular hole of the chute.