Wire box mounting and positioning device

Abstract

The utility model discloses a wire box installation positioning device, which relates to the technical field of positioning devices and comprises a positioning box, wire grooves are arranged on two sides of the outer wall of the positioning box, a junction box is slidably connected to the center in the positioning box, the wire grooves are arranged on two sides of the outer wall of the junction box, and a plurality of baffles are slidably connected to the interiors of the wire grooves. According to the utility model, through close cooperation of the positioning spring, the positioning fastener and the positioning clamping groove, rapid installation and positioning work of the junction box are completed, and meanwhile, through arrangement of the guide rail in the positioning box, accurate positioning of the motion trail of the junction box is realized, so that the positioning accuracy of the junction box is improved, and the service life of the junction box is prolonged. According to the device, the assembling efficiency of the device on the junction box is improved, the dependence on professional tools is reduced by simplifying the installation process, non-professional personnel can also easily carry out installation and maintenance, and in addition, the device effectively avoids structural damage possibly generated in the installation process in a traditional punching mode.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning devices, in particular to a wire box installation positioning device. Background Technique

[0002] The wire box installation positioning device is a tool specifically designed to simplify the installation process of the distribution box. The device can quickly adapt to walls with different thicknesses through adjustable brackets, avoiding damage to the wall structure caused by traditional drilling methods. Using the wire box installation positioning device not only improves the installation efficiency, reduces the damage to the wall, but also enhances the use stability of the distribution box, and is an ideal auxiliary tool in modern electrical installations.

[0003] Currently, distribution boxes are usually fixed to the wall with expansion bolts. Although this method has good bearing capacity, during construction, it is necessary to drill holes in the wall first, and damage to the wall structure may occur during the drilling process. In view of this, we provide a wire box installation positioning device. Content of the Utility Model

[0004] The purpose of the utility model is to make up for the deficiencies of the prior art and provide a wire box installation positioning device.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A wire box installation positioning device, including a positioning box. Both sides of the outer wall of the positioning box are provided with wire grooves, and a distribution box is slidably connected to the center of the inside of the positioning box. The wire grooves are located on both sides of the outer wall of the distribution box, and a plurality of baffles are slidably connected inside the wire grooves. A plurality of limiting grooves are simultaneously opened on one side of the inner wall of the positioning box, and the limiting grooves are located on both sides inside the baffles. A plurality of guide rails are fixedly connected to both sides of the inner wall of the positioning box, and the guide rails are located on both sides inside the distribution box. The distribution box is slidably connected to both sides inside the positioning box through the guide rails, and a plurality of wire holes are opened on both sides of the outer wall of the distribution box. The baffles are located on the outer side of the wire holes, and the baffles are slidably connected to the outer side of the wire holes through the limiting grooves. A positioning card slot is opened at the center of one side of the distribution box.

[0006] In the above, a plurality of limiting holes are simultaneously opened on one side of the inside of the positioning box, and the limiting holes are located on one side of the top of the baffle. The baffle is connected through the inside of the positioning box, and the baffle penetrates through the inside of the positioning box and is slidably connected to the center inside the wire groove.

[0007] In the above, the baffle corresponds to the wire hole, and a limiting marble is slidably connected to one side inside the baffle. The limiting marble corresponds to the limiting hole.

[0008] As mentioned above, a limiting spring is fixedly connected to the inner center of the baffle, and the outer wall of one end of the limiting spring is fixedly connected to the center of one side of the limiting marble, and one side of the outer wall of the limiting marble is in conflict with one side of the inner wall of one side of the limiting hole through the limiting spring.

[0009] In the above, the outer wall of one side of the guide rail is connected with the outer wall of one side of the junction box, and the outer wall of one side of the guide rail is slidably connected with the inner side of the junction box. The two sides of the positioning box are fixedly connected with slide rails, and the inner side of the positioning box is slidably connected with a positioning fastener through the slide rails.

[0010] As mentioned above, the outer wall of one side of the slide rail is connected through the center of one side of the positioning fastener, and the inner side of the positioning fastener is slidably connected to the outer wall of one side of the slide rail, and the top side of the positioning box is slidably connected with a pressure plate, and the bottom side of the pressure plate and the top side of the positioning fastener are in contact and fit with each other.

[0011] As mentioned above, a positioning spring is fixedly connected to the inner center of the positioning fastener, and the outer wall of one end of the positioning spring is fixedly connected to one side of the inner wall of the positioning box.

[0012] Compared with the prior art, this wire box installation and positioning device has the following beneficial effects:

[0013] 1. When the wiring hole on the surface of the junction box of the utility model is idle, the operator can bend the baffle plate downward along the limit groove to move the baffle plate vertically to the bottom. At this time, the limit spring will push the limit marble to move along the inner wall of the baffle plate until it is aligned with and contacts the limit hole, thereby fixing the baffle plate on one side of the wiring hole. To enable the wiring hole, just push the baffle plate upward, and the limit marble will retreat inside the baffle plate until the baffle plate reaches the top. The limit marble is stuck in the top limit hole under the action of the limit spring to ensure that the baffle plate is fixed. Then the wires can be connected to the wiring hole, so that the device can quickly switch the opening and closing states of the wiring hole to adapt to different line layout requirements, while keeping the inside of the wiring hole clean and tidy.

[0014] Second, when installing the distribution box of the present utility model, first ensure that the side with the positioning card slot faces the positioning fastener, and then place the distribution box into the positioning box. At this time, the guide rail in the positioning box will insert into the distribution box to ensure its stability and smoothness during the installation process. In addition, the positioning box is equipped with a slide rail to limit the positioning fastener to only move horizontally. As the distribution box is pushed forward, its bottom surface contacts the inclined surface of the positioning fastener, and the thrust of the operator causes the positioning fastener to retract along the slide rail and compress the positioning spring. When the distribution box completely enters the positioning box and the positioning card slot is aligned with the positioning fastener, the positioning fastener will move into the positioning card slot under the action of the positioning spring and be clamped, thereby firmly fixing the distribution box in the center of the positioning box. Thus, through the close cooperation of the positioning spring, the positioning fastener and the positioning card slot, the rapid installation and positioning of the distribution box are completed. At the same time, by setting the guide rail inside the positioning box, the precise positioning of the movement trajectory of the distribution box is realized, improving the assembly efficiency of the device for the distribution box. By simplifying the installation process, the dependence on professional tools is reduced, enabling non-professional personnel to easily install and maintain. In addition, this device effectively avoids the possible structural damage caused by the traditional drilling method during the installation process.

[0015] Other advantages, objectives and features of the present utility model will be elaborated to some extent in the subsequent description, and to some extent, will be obvious to those skilled in the art based on the study of the following text, or can be taught from the practice of the present utility model. Brief Description of the Drawings

[0016] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0017] Figure 2 is a partial three-dimensional structural schematic diagram of the distribution box of the present utility model;

[0018] Figure 3 is a partial sectional three-dimensional structural schematic diagram of the positioning box of the present utility model;

[0019] Figure 4 is of the present utility model Figure 3 partial three-dimensional structural schematic diagram of A in;

[0020] Figure 5 is a partial sectional three-dimensional structural schematic diagram of the baffle of the present utility model;

[0021] Figure 6 is a partial sectional three-dimensional structural schematic diagram of the positioning box of the present utility model;

[0022] Figure 7 is a partial sectional three-dimensional structural schematic diagram of the positioning fastener of the present utility model.

[0023] In the figure: 1, positioning box; 2, wire groove; 201, baffle; 202, limiting groove; 203, wire passing hole; 204, limiting hole; 205, limiting ball; 206, limiting spring; 3, wire distributing box; 301, guiding rail; 302, positioning card slot; 303, sliding rail; 304, positioning fastener; 305, pressing plate; 306, positioning spring. Specific implementation mode

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0025] As Figure 1-7 shown, the present invention provides a technical solution: a wire box installation and positioning device, including a positioning box 1. Wire grooves 2 are provided on both sides of the outer wall of the positioning box 1. A wire distributing box 3 is slidably connected to the center of the inside of the positioning box 1. The wire grooves 2 are located on both sides of the outer wall of the wire distributing box 3. A plurality of baffles 201 are slidably connected inside the wire grooves 2. A plurality of limiting grooves 202 are provided on one side of the inner wall of the positioning box 1, and the limiting grooves 202 are located on both sides inside the baffles 201. A plurality of guiding rails 301 are fixedly connected to both sides of the inner wall of the positioning box 1, and the guiding rails 301 are located on both sides inside the wire distributing box 3. The wire distributing box 3 is slidably connected to both sides inside the positioning box 1 through the guiding rails 301. A plurality of wire passing holes 203 are provided on both sides of the outer wall of the wire distributing box 3. The baffles 201 are located on the outer side of the wire passing holes 203, and the baffles 201 are slidably connected to the outer side of the wire passing holes 203 through the limiting grooves 202. A positioning card slot 302 is provided at the center of one side of the wire distributing box 3.

[0026] In view of the fact that a plurality of limiting grooves 202 are simultaneously formed on one side inside the positioning box 1, and the baffle 201 is limited by the limiting grooves 202, so that the baffle 201 can only move vertically along the outer wall of the limiting groove 202 during the movement. When there are idle wire holes 203 on the surface of the distribution box 3, the baffle 201 can be bent towards the bottom along the inner wall of the limiting groove 202, so that the baffle 201 moves vertically towards its own bottom along the inner wall of the limiting groove 202. When the baffle 201 moves to the designated position, under the action of the limiting spring 206, the limiting ball 205 moves along the inner wall of the baffle 201 towards the inner wall of the limiting hole 204 and abuts against the inner wall of the limiting hole 204, so that the baffle 201 moves to one side of the wire hole 203. If it is necessary to enable the wire hole 203, only the baffle 201 needs to be pushed upwards along the limiting groove 202. As the baffle 201 moves, the limiting ball 205 abuts against the inner wall of the limiting hole 204 and retracts into the baffle 201. When the baffle 201 moves to the upper part and the limiting ball 205 aligns with the limiting hole 204 at the top, the limiting ball 205 is clamped into the limiting hole 204 at the top under the action of the limiting spring 206. After ensuring that the baffle 201 is fixed, the wire can be connected into the corresponding wire hole 203. When installing the distribution box 3, after the side of the distribution box 3 with the positioning card slot 302 faces the positioning fastener 304, the distribution box 3 is placed inside the positioning box 1. Since a plurality of guide rails 301 are fixed inside the positioning box 1, when the distribution box 3 is placed inside the positioning box 1, the guide rails 301 will insert into the distribution box 3 to limit the movement of the distribution box 3, so that the distribution box 3 can enter stably and smoothly during the process of being placed into the positioning box 1. And in view of the fact that a set of slide rails 303 are fixed on one side inside the positioning box 1, the positioning fastener 304 is limited by the slide rails 303, so that the positioning fastener 304 can only move horizontally along the outer wall of the slide rails 303. As the distribution box 3 moves, one side of the bottom surface of the distribution box 3 will contact the inclined surface formed on one side of the positioning fastener 304. Under the action of the pushing force of the operator on the distribution box 3, the positioning fastener 304 retracts along the outer wall of the slide rails 303 to one side inside the positioning box 1 and compresses the positioning spring 306. Once the distribution box 3 is completely placed inside the positioning box 1 and the positioning card slot 302 moves to one side of the positioning fastener 304, since the positioning fastener 304 loses the supporting force from the outer wall of the distribution box 3, under the action of the positioning spring 306, the positioning fastener 304 moves towards the center inside the positioning card slot 302 along the outer wall of the slide rails 303 along the positioning spring 306, and through the thrust of the positioning spring 306, the positioning fastener 304 is clamped with the positioning card slot 302 on one side of the outer wall of the distribution box 3, and the distribution box 3 can be fixed at the center inside the positioning box 1 through the tight clamping of the positioning fastener 304 and the positioning card slot 302. Thus, through the close cooperation of the positioning spring 306, the positioning fastener 304 and the positioning card slot 302, the rapid installation and positioning of the distribution box 3 are completed. At the same time, by arranging the guide rails 301 inside the positioning box 1, the precise positioning of the movement track of the distribution box 3 is realized.Improve the assembly efficiency of this device for the distribution box 3. By simplifying the installation process, it reduces the dependence on professional tools, enabling non-professionals to easily install and maintain it. In addition, this device effectively avoids the structural damage that may occur during the installation process by the traditional drilling method.

[0027] As Figure 1 、 Figure 3 、 Figure 4 and Figure 5 shown, on one side inside the positioning box 1, a plurality of limiting holes 204 are simultaneously opened, and the limiting holes 204 are located on one side of the top of the baffle 201. The baffle 201 is connected through the one side inside the positioning box 1, and the baffle 201 penetrates and is slidably connected to the center inside the wire groove 2 on one side inside the positioning box 1. The baffle 201 corresponds to the wire passing hole 203, and a limiting ball 205 is slidably connected to one side inside the baffle 201. The limiting ball 205 corresponds to the limiting hole 204. A limiting spring 206 is fixedly connected to the center inside the baffle 201, and one end outer wall of the limiting spring 206 is fixedly connected to the center of one side of the limiting ball 205. One side outer wall of the limiting ball 205 abuts against one side inner wall of one of the limiting holes 204 through the limiting spring 206.

[0028] In view of a plurality of limiting grooves 202 being simultaneously opened on one side inside the positioning box 1, and the baffle 201 being limited by the limiting grooves 202, so that the baffle 201 can only move vertically along the outer wall of the limiting groove 202 during the movement. When there is an idle wire passing hole 203 on the surface of the distribution box 3, the baffle 201 can be bent downward along the inner wall of the limiting groove 202, so that the baffle 201 moves vertically downward along the inner wall of the limiting groove 202. When the baffle 201 moves to the designated position, under the action of the limiting spring 206, the limiting ball 205 moves along the inner wall of the baffle 201 towards the inner wall of the limiting hole 204 and abuts against the inner wall of the limiting hole 204, so that the baffle 201 moves to one side of the wire passing hole 203. If it is necessary to enable this wire passing hole 203, only the baffle 201 needs to be pushed upward along the limiting groove 202. As the baffle 201 moves, the limiting ball 205 abuts against the inner wall of the limiting hole 204 and retracts into the baffle 201. After the baffle 201 moves upward and the limiting ball 205 aligns with the upper limiting hole 204, the limiting ball 205 is snapped into the upper limiting hole 204 under the action of the limiting spring 206. After ensuring that the baffle 201 is fixed, the wire can be connected into the corresponding wire passing hole 203, so that this device can quickly switch the opening and closing state of the wire passing hole 203, adapt to different line layout requirements, and at the same time keep the inside of the wire passing hole 203 clean and tidy.

[0029] As Figure 1 、 Figure 2 、 Figure 3 、 Figure 6 and Figure 7As shown in the figure, one outer wall of the guiding rail 301 is connected through the side of one outer wall of the distribution box 3, and one side of the outer wall of the guiding rail 301 is slidably connected to one side inside the distribution box 3. Two sides inside the positioning box 1 are fixedly connected with slide rails 303, and one side inside the positioning box 1 is slidably connected with a positioning fastener 304 through the slide rails 303. One outer wall of one side of the slide rail 303 is connected through the center of one side of the positioning fastener 304, and one side inside the positioning fastener 304 is slidably connected to one outer wall of one side of the slide rail 303. One side of the top of the positioning box 1 is slidably connected with a pressing plate 305, and one side of the bottom surface of the pressing plate 305 abuts against and fits with one side of the top surface of the positioning fastener 304. The center inside the positioning fastener 304 is fixedly connected with a positioning spring 306, and one outer wall of one end of the positioning spring 306 is fixedly connected to one side of the inner wall of the positioning box 1.

[0030] When installing the distribution box 3, after the side of the distribution box 3 with the positioning slot 302 is facing the positioning fastener 304, the distribution box 3 is placed inside the positioning box 1. Since a plurality of guiding rails 301 are fixed inside the positioning box 1, when the distribution box 3 is placed inside the positioning box 1, the guiding rails 301 will be inserted into the inside of the distribution box 3 to limit the movement of the distribution box 3, so that the distribution box 3 can enter stably and smoothly during the process of being placed inside the positioning box 1. And in view of a set of slide rails 303 being fixed on one side inside the positioning box 1, the positioning fastener 304 is limited by the slide rails 303, so that the positioning fastener 304 can only move horizontally along the outer wall of the slide rail 303. As the distribution box 3 moves, one side of the bottom surface of the distribution box 3 will contact the inclined surface provided on one side of the positioning fastener 304. Under the action of the pushing force of the operator on the distribution box 3, the positioning fastener 304 is retracted along the outer wall of the slide rail 303 to one side inside the positioning box 1, and the positioning spring 306 is compressed. Once the distribution box 3 is completely placed inside the positioning box 1 and the positioning slot 302 moves to one side of the positioning fastener 304, since the positioning fastener 304 loses the supporting force from the outer wall of the distribution box 3, under the action of the positioning spring 306, the positioning fastener 304 moves along the positioning spring 306 towards the center inside the positioning slot 302 along the outer wall of the slide rail 303, and through the thrust of the positioning spring 306, the positioning fastener 304 is clamped with the positioning slot 302 on one outer wall of the distribution box 3. Thus, through the tight clamping of the positioning fastener 304 and the positioning slot 302, the distribution box 3 is fixed at the center inside the positioning box 1. Therefore, through the close cooperation of the positioning spring 306, the positioning fastener 304 and the positioning slot 302, the rapid installation and positioning of the distribution box 3 are completed. At the same time, by providing the guiding rails 301 inside the positioning box 1, the precise positioning of the movement track of the distribution box 3 is realized, the assembly efficiency of the distribution box 3 by this device is improved, by simplifying the installation process, the dependence on professional tools is reduced, so that non-professional personnel can also easily carry out installation and maintenance. In addition, this device effectively avoids the possible structural damage caused by the traditional drilling method during the installation process.

[0031] Working principle: In view of the fact that a plurality of limiting grooves 202 are simultaneously opened on one side of the inner part of the positioning box 1, and the limiting grooves 202 are used to limit the baffle 201, so that the baffle 201 can only move vertically along the outer wall of the limiting groove 202 during the movement, when there is an idle wiring hole 203 on the surface of the junction box 3, the baffle 201 can be bent toward the bottom along the inner wall of the limiting groove 202, so that the baffle 201 moves vertically toward its own bottom along the inner wall of the limiting groove 202. When the baffle 201 moves to the specified position, under the action of the limiting spring 206, the limiting marble 205 moves along the inner wall of the baffle 201 toward the inner wall of the limiting hole 204, and conflicts with the inner wall of the limiting hole 204, so that the baffle 201 moves to the side of the wiring hole 203. If it is necessary to activate the wiring hole 203, The wire hole 203 also only needs to push the baffle 201 upward along the limiting groove 202. As the baffle 201 moves, the limiting marble 205 hits the inner wall of the limiting hole 204 and retreats into the baffle 201. After the baffle 201 moves upward and the limiting marble 205 is aligned with the limiting hole 204 at the top, the limiting marble 205 is inserted into the limiting hole 204 at the top under the action of the limiting spring 206. After ensuring that the baffle 201 is fixed, the wires can be connected to the corresponding wiring holes 203. When installing the junction box 3, the junction box 3 is placed in the positioning box 1 with the side of the positioning slot 302 facing the positioning fastener 304. Since the positioning box 1 is fixed with multiple guide rails 301, the junction box When the junction box 3 is placed inside the positioning box 1, the guide rail 301 will be inserted into the junction box 3 to limit the movement of the junction box 3, so that the junction box 3 can be stably and smoothly entered during the process of being placed in the positioning box 1. In view of the fact that a set of slide rails 303 are fixed on one side of the inside of the positioning box 1, the slide rails 303 are used to limit the positioning fasteners 304, so that the positioning fasteners 304 can only move horizontally along the outer wall of the slide rails 303. As the junction box 3 moves, one side of the bottom surface of the junction box 3 will contact the inclined surface opened on one side of the positioning fasteners 304. Under the action of the pushing force of the operator, the junction box 3 will make the positioning fasteners 304 retreat along the outer wall of the slide rails 303 to one side of the inside of the positioning box 1 and compress the positioning springs 306. Once the junction box 3 is completely placed in the positioning box 1, and when the positioning slot 302 moves to the side of the positioning fastener 304, since the positioning fastener 304 loses the supporting force from the outer wall of the junction box 3, under the action of the positioning spring 306, the positioning fastener 304 moves along the positioning spring 306 along the outer wall of the slide rail 303 to the inner center of the positioning slot 302, and the positioning fastener 304 and the positioning slot 302 on one side of the outer wall of the junction box 3 are mutually engaged through the thrust of the positioning spring 306, that is, the junction box 3 is fixed in the inner center of the positioning box 1 through the tight engagement of the positioning fastener 304 and the positioning slot 302, thereby completing the quick installation and positioning of the junction box 3 through the tight cooperation of the positioning spring 306, the positioning fastener 304 and the positioning slot 302.

[0032] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A wire box installation and positioning device, comprising a positioning box (1), characterized in that: Both sides of the outer wall of the positioning box (1) are provided with wire grooves (2), and a distribution box (3) is slidably connected to the center of the inside of the positioning box (1). The wire grooves (2) are located on both sides of the outer wall of the distribution box (3), and a plurality of baffles (201) are slidably connected to the inside of the wire grooves (2). On one side of the inner wall of the positioning box (1), a plurality of limiting grooves (202) are simultaneously opened, and the limiting grooves (202) are located on both sides inside the baffles (201). On both sides of the inner wall of the positioning box (1), a plurality of guide rails (301) are fixedly connected, and the guide rails (301) are located on both sides inside the distribution box (3). The distribution box (3) is slidably connected to both sides inside the positioning box (1) through the guide rails (301), and a plurality of wire holes (203) are opened on both sides of the outer wall of the distribution box (3). The baffles (201) are located on the outer side of one side of the wire holes (203), and the baffles (201) are slidably connected to the outer side of one side of the wire holes (203) through the limiting grooves (202). A positioning card slot (302) is opened at the center of one side of the distribution box (3).

2. The wire box installation and positioning device according to claim 1, characterized in that: On one side of the inside of the positioning box (1), a plurality of limiting holes (204) are simultaneously opened, and the limiting holes (204) are located on one side of the top of the baffle (201). The baffle (201) is connected through the inside of one side of the positioning box (1), and the baffle (201) penetrates through the inside of one side of the positioning box (1) and is slidably connected to the center of the inside of the wire groove (2).

3. The wire box installation and positioning device according to claim 2, characterized in that: The baffle (201) corresponds to the wire hole (203), and a limiting marble (205) is slidably connected to one side of the inside of the baffle (201). The limiting marble (205) corresponds to the limiting hole (204).

4. The wire box installation and positioning device according to claim 3, characterized in that: A limiting spring (206) is fixedly connected to the center of the inside of the baffle (201), and one end of the outer wall of the limiting spring (206) is fixedly connected to the center of one side of the limiting marble (205). One side of the outer wall of the limiting marble (205) abuts against one side of the inner wall of one of the limiting holes (204) through the limiting spring (206).

5. The wire box installation and positioning device according to claim 1, characterized in that: One side of the outer wall of the guide rail (301) is connected through the outer wall of one side of the distribution box (3), and one side of the outer wall of the guide rail (301) is slidably connected to one side of the inside of the distribution box (3). On both sides of the inside of the positioning box (1), a slide rail (303) is fixedly connected, and a positioning fastener (304) is slidably connected to one side of the inside of the positioning box (1) through the slide rail (303).

6. The wire box installation and positioning device according to claim 5, characterized in that: One side of the outer wall of the slide rail (303) is connected through the center of one side of the positioning fastener (304), and one side of the inside of the positioning fastener (304) is slidably connected to one side of the outer wall of the slide rail (303). A pressing plate (305) is slidably connected to one side of the top of the positioning box (1), and one side of the bottom surface of the pressing plate (305) abuts against and fits with the top surface of one side of the positioning fastener (304).

7. The wire box installation and positioning device according to claim 6, characterized in that: A positioning spring (306) is fixedly connected to the center of the inside of the positioning fastener (304), and one end of the outer wall of the positioning spring (306) is fixedly connected to one side of the inner wall of the positioning box (1).

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