Overlock pin and fixing structure

Abstract

The utility model relates to the technical field of fixing pins, in particular to a lockrand pin and a fixing structure, the lockrand pin comprises an inserting portion and a locking portion, the inserting portion comprises a first blocking piece and a first column body, the first blocking piece is fixedly installed at one end of the first column body, and a locking hole is formed in the end, away from the first blocking piece, of the first column body. A plurality of limiting grooves are further formed in the first column body, and the limiting grooves are linearly distributed in the side face of the first column body along the axis of the first column body; the locking part comprises a second blocking piece and a second column body capable of extending into the inner cavity of the locking hole, the second blocking piece is fixedly installed at one end of the second column body, and the second column body can extend into the inner cavity of the locking hole and is detachably connected with the locking hole. After the lockrand pin is installed on the installation strip, the first blocking piece and the second blocking piece on the lockrand pin can abut against the two side walls of the installation strip respectively, the situation that the lockrand pin accidentally falls out of the installation strip after being subjected to jacking force, and consequently the storage unit falls off is avoided, and threats to personal and property safety are avoided.

Description

Technical Field

[0001] This utility model relates to the technical field of fixing pins, and more specifically, to a locking pin and fixing structure. Background Technology

[0002] When using E-strips to fix drawers or other storage units to a bracket or wall, insert the connecting block on the storage unit into the E-groove on the E-strip, and then use a fixing pin to pass through the E-groove and the mounting hole on the connecting block to complete the fixing of the drawer or other storage unit.

[0003] However, after passing through the E-shaped strip and the storage unit, the conventional fixing pin is easily pushed out of the mounting hole on the E-shaped strip when subjected to external force, which can cause the storage unit fixed to the E-shaped strip to fall off, posing a threat to personal safety and property safety. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art where the fixing pin easily falls out of the mounting hole on the E-shaped strip after the storage unit is inserted into the E-shaped strip. This invention provides a locking pin and fixing structure. After the locking pin is installed on the E-shaped strip, it will not be pushed out of the mounting hole of the E-shaped strip when subjected to external force, thus avoiding the problem of the storage unit falling off the E-shaped strip due to the accidental fall of the fixing pin.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0006] A locking pin is provided, including an insertion part and a locking part;

[0007] The insertion part includes a first baffle and a first column. The first baffle is fixedly installed at one end of the first column. A locking hole is provided at the end of the first column away from the first baffle. The first column is also provided with a plurality of limiting grooves. The plurality of limiting grooves are linearly arranged on the side of the first column along the axis of the first column.

[0008] The locking part includes a second baffle and a second column that can extend into the inner cavity of the locking hole. The second baffle is fixedly installed at one end of the second column, and the second column can extend into the inner cavity of the locking hole and be detachably connected to the locking hole.

[0009] When using the locking pin, first insert the mounting end of the storage unit into a slot on the mounting strip, aligning the mounting holes on the mounting end and the mounting strip. Then, pass the first post of the insertion part through the mounting holes on the mounting strip and the storage unit, and insert the second post of the locking part into the locking hole on the first post. At this point, the first and second baffles abut against the two side walls of the mounting strip, clamping the mounting strip, and the storage unit is hooked onto the mounting strip by the locking pin.

[0010] After the locking pin of this utility model is installed on the mounting strip, the first and second baffles on the locking pin can abut against the two side walls of the mounting strip respectively, preventing the locking pin from accidentally falling out of the mounting strip under the pushing force, thus preventing the storage unit from falling and avoiding threats to personal and property safety.

[0011] Furthermore, the sidewall of the limiting groove is an inclined sidewall, with one end of the inclined sidewall away from the bottom of the limiting groove inclined away from the center of the limiting groove. The inclination angle of the inclined sidewall is 20°-60°. The depth of the limiting groove is 0.4mm-1mm. During the removal of the locking pin, the inclined sidewall can guide the locking pin, so that the limiting groove can be separated from the side of the mounting strip simply by pulling laterally without lifting the locking pin, simplifying the removal steps of the locking pin and making the removal of the locking pin more convenient. Tests have shown that when the inclination angle of the inclined sidewall is 20°-60° and the depth of the limiting groove is between 0.4mm-1mm, the inclined sidewall can ensure a good guiding effect during the removal of the insertion part. When the insertion part does not need to be removed, the limiting groove can effectively limit the side of the mounting strip due to the gravity of the placement unit. The depth of the limiting groove is preferably 0.5mm, and the inclined sidewall is preferably chamfered at 45°, which facilitates processing.

[0012] Furthermore, the inner cavity of the locking hole is provided with a first threaded section, and the second column is provided with a second threaded section, the first threaded section and the second threaded section being threadedly connected. The first threaded section is located at the end of the inner wall of the locking hole away from the first baffle, and the major diameter of the first threaded section is less than or equal to the inner diameter of the locking hole; the second column is also provided with a first clearance section and a second clearance section, the first clearance section, the second threaded section and the second clearance section are arranged sequentially on the second column, and the first clearance section is closer to the second baffle. The diameters of the first clearance section and the second clearance section are both smaller than the minor diameter of the first threaded section, and the length of the first clearance section is greater than the length of the first threaded section.

[0013] During the insertion of the second column into the locking hole, the second clearance section is inserted first. Since the diameter of the second clearance section is smaller than the minor diameter of the first threaded section, it can be easily inserted. After the second clearance section is fully inserted, the second threaded section is inserted. During this insertion, the user needs to rotate the locking part using the second stop plate to connect the second threaded section with the first threaded section. Once the second threaded section is fully inside the locking hole, continue rotating the locking part until the second threaded section separates from the first threaded section and extends into the inner cavity of the locking hole. At this point, the second stop plate can be pushed to push the first clearance section into the locking hole, causing the first and second stop plates to fit against the two side walls of the mounting strip, completing the connection between the insertion part and the locking part. After the connection is complete, the first and second stop plates clamp the mounting strip, and the storage unit is hooked onto the mounting strip via the locking pin.

[0014] After connecting the locking part and the insertion part, the second threaded section can slide within the insertion part. The two sliding limits of the second threaded section are the contact point between the second threaded section and the first threaded section, and the contact point between the second baffle and the end face of the first column. When the second threaded section contacts the first threaded section, the second baffle of the locking part extends from the side of the mounting strip; when the second baffle contacts the end face of the first column, the second baffle fits against the side of the mounting strip. When disassembly is required, the user first slides the second threaded section to contact the first threaded section by moving the second baffle. At this time, the second baffle protrudes from the side of the mounting strip, making it easy for the user to rotate the locking part by rotating the second baffle. Then, by rotating the second baffle in the opposite direction, the second threaded section is rotated in the opposite direction, causing the second threaded section to be pulled out of the locking hole. Finally, the second clearance section is pulled out, the locking part is pulled out of the insertion part, and after the locking part is pulled out, the insertion part is pulled out of the mounting hole on the mounting strip and the storage unit.

[0015] The second column is threadedly connected to the locking hole, providing high connection strength and easy assembly / disassembly. The design of the first and second clearance sections allows the second column to slide within the locking hole, enabling the user to manually pry the second baffle off the mounting strip, making it easier for the user to remove the locking part from the insertion part.

[0016] Furthermore, the second baffle is provided with a first clearance that allows a user's fingernail to insert, and the first clearance is located on the same side of the second baffle as the second column. The first clearance is chamfered, and the size of the chamfer is 0.5mm-1.5mm. The first clearance allows the user to easily pry the second baffle out from the outer wall of the mounting strip using their fingernail. The chamfered first clearance facilitates processing; the thickness of a human fingernail is between 0.5mm and 0.8mm. Therefore, when the size of the first chamfer is set between 0.5mm and 1.5mm, the user can easily pry out the second baffle. In addition to being chamfered, the first clearance can also be a groove, protrusion, or other structures that facilitate the user's prying out.

[0017] Furthermore, the side of the first baffle is provided with a second clearance that allows a user's fingernail to penetrate. The second clearance and the first column are located on the same side of the first baffle. The second clearance allows the user to easily pry the first baffle off the outer wall of the mounting strip using their fingernail. The second clearance is generally a chamfer with a size between 0.5mm and 1.5mm.

[0018] Furthermore, the end face of the second clearance section is chamfered. The chamfer on the end face of the second clearance section makes it easier to smoothly insert the second clearance section into the locking hole.

[0019] This utility model also provides a fixing structure, including a storage unit, a locking pin, and a mounting strip that can be installed on a wall or bracket. The locking pin is one of the locking pins described above. The mounting strip has a mounting groove. The storage unit has a connecting part that can extend into the mounting groove. The connecting part and the side of the mounting strip are both provided with mounting holes. The locking pin can pass through the side of the mounting groove and the mounting hole on the connecting part. The side is located within the limiting groove.

[0020] After the mounting strip is installed on the wall or bracket, the fixing structure of this utility model can fix the storage unit to the mounting strip by locking pin, thereby completing the fixing of the storage unit on the wall or bracket. The locking pin is simple to install and highly safe, and is not easy to fall off the mounting strip, reducing the risk of the storage unit accidentally falling off the mounting strip.

[0021] Furthermore, the mounting strip is an E-type strip, and the mounting groove is an E-type groove. The limiting groove on the first column has three slots to accommodate the three sides of the mounting strip respectively. The E-type strip has two mounting grooves, allowing for simultaneous mounting of mounting units on both sides of the E-type strip, making it suitable for a wider range of applications. Additionally, the E-type strip is low in cost and offers higher overall mounting strength. Furthermore, to facilitate the removal of the locking pin, chamfers can be provided on the end faces of the mounting holes on the three sides of the E-type strip, further guiding the pin and making it easier to disassemble.

[0022] Compared with the prior art, the beneficial effects of this utility model are:

[0023] After the locking pin of this utility model is installed on the mounting strip, the first and second baffles on the locking pin can abut against the two side walls of the mounting strip respectively, preventing the locking pin from accidentally falling out of the mounting strip under the pushing force, thus preventing the storage unit from falling and avoiding threats to personal and property safety.

[0024] The locking pin of this invention also has a limiting groove on the side wall of the first column, which can prevent the storage unit from falling down quickly when the locking pin is pulled out rapidly, thus avoiding safety hazards. The side wall of the limiting groove is an inclined side wall, which plays a good guiding role and makes it easier to pull out the locking pin.

[0025] The clearance section on the second column of the locking pin of this utility model allows the second column to slide within the locking hole, and the user can manually pry the second baffle off the mounting strip, making it easier for the user to remove the locking part from the insertion part.

[0026] After the mounting strip is installed on the wall or bracket, the fixing structure of this utility model can fix the storage unit to the mounting strip by locking pin, thereby completing the fixing of the storage unit on the wall or bracket. The locking pin is simple to install and highly safe, and is not easy to fall off the mounting strip, reducing the risk of the storage unit accidentally falling off the mounting strip. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of a locking pin;

[0028] Figure 2 This is a schematic diagram of the insertion part of a locking pin;

[0029] Figure 3 This is a schematic diagram of the internal structure of the insertion part of a locking pin;

[0030] Figure 4 This is a schematic diagram of the locking part of a locking pin;

[0031] Figure 5 This is a schematic diagram of a fixed structure;

[0032] Figure 6 for Figure 5 Enlarged view of part A;

[0033] Figure 7 A schematic diagram of the internal structure of a locking pin with a fixed structure during operation;

[0034] Figure 8 This is a schematic diagram of the internal structure of a locking pin with a fixed structure from another angle during operation.

[0035] In the attached diagram: 1. Insertion part; 2. Locking part; 101. First baffle; 102. First column; 103. Locking hole; 131. First threaded section; 201. Second baffle; 202. Second column; 221. First clearance section; 222. Second threaded section; 223. Second clearance section; 211. First clearance part; 111. Second clearance part; 104. Limiting groove; 141. Inclined side wall; 3. Storage unit; 4. Mounting strip; 401. Side; 301. Connecting part. Detailed Implementation

[0036] The present invention will be further described below with reference to specific embodiments. The accompanying drawings are for illustrative purposes only, representing schematic diagrams rather than actual physical objects, and should not be construed as limiting the scope of this patent. To better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0037] In the accompanying drawings of this utility model, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0038] Example 1

[0039] This embodiment is a first embodiment of a locking pin, such as... Figures 1-4 As shown, it includes an insertion part 1 and a locking part 2;

[0040] The insertion part 1 includes a first baffle 101 and a first column 102. The first baffle 101 is fixedly installed at one end of the first column 102. A locking hole 103 is provided at the end of the first column 102 away from the first baffle 101. The first column 102 is also provided with a plurality of limiting grooves 104. The plurality of limiting grooves 104 are linearly arranged on the side of the first column 102 along the axis of the first column 102.

[0041] The locking part 2 includes a second baffle 201 and a second column 202 that can extend into the inner cavity of the locking hole 103. The second baffle 201 is fixedly installed at one end of the second column 202, and the second column 202 can extend into the inner cavity of the locking hole 103 and be detachably connected to the locking hole 103.

[0042] Specifically, such as Figure 2 and Figure 3 As shown, the sidewall of the limiting groove 104 is an inclined sidewall 141, and one end of the inclined sidewall 141 away from the bottom of the limiting groove 104 is inclined away from the center of the limiting groove 104. The inclination angle of the inclined sidewall 141 is 20°-60°. The depth of the limiting groove 104 is 0.4mm-1mm.

[0043] The working principle or process of this embodiment is as follows: When using the locking pin, firstly, the mounting end of the storage unit 3 is inserted into a slot on the mounting strip 4, and the mounting end and the mounting hole on the mounting strip 4 are aligned. Then, the first column 102 of the insertion part 1 passes through the mounting strip 4 and the mounting hole on the storage unit 3, so that the side 401 of the mounting strip 4 is located in the limiting groove 104 on the first column 102. At this time, the first baffle 101 and the second baffle 201 can respectively abut against the two side walls of the mounting strip 4 to clamp the mounting strip 4, and the storage unit 3 is hooked onto the mounting strip 4 by the locking pin. When disassembling, the locking part 2 is pulled out from the insertion part 1, and then the insertion part 1 is pulled out from the mounting hole on the mounting strip 4 and the storage unit 3.

[0044] The beneficial effects of this embodiment are as follows:

[0045] After the locking pin in this embodiment is installed on the mounting strip 4, the first stop 101 and the second stop 201 on the locking pin abut against the two side walls of the mounting strip 4 respectively, which can prevent the locking pin from accidentally falling out of the mounting strip 4 after being pushed, causing the storage unit 3 to fall, thus avoiding a threat to personal and property safety.

[0046] The inclined sidewall 141 provides a good guiding function. During the process of pulling out the locking pin, there is no need to lift the locking pin. Simply pull it laterally to separate the limiting groove 104 from the side 401 of the mounting strip 4, simplifying the disassembly steps of the locking pin and making the disassembly of the locking pin more convenient. When it is not necessary to pull out the insertion part 1, the limiting groove 104 can provide a good limiting effect on the side 401 of the mounting strip 4 due to the gravity of the placement unit 3.

[0047] Example 2

[0048] This embodiment is a second embodiment of a locking pin, which further defines the structure of the locking pin based on the first embodiment.

[0049] Specifically, such as Figure 3 and Figure 4 As shown, a first threaded section 131 is provided on the inner wall of the locking hole 103 at the end away from the first baffle 101, and a second threaded section 222 is provided on the second column 202. The first threaded section 131 and the second threaded section 222 are threadedly connected. The major diameter of the first threaded section 131 is less than or equal to the inner diameter of the locking hole 103. The second column 202 is also provided with a first clearance section 221 and a second clearance section 223. The first clearance section 221, the second threaded section 222, and the second clearance section 223 are arranged sequentially on the second column 202, with the first clearance section 221 being closer to the second baffle 201. The diameters of the first clearance section 221 and the second clearance section 223 are both smaller than the minor diameter of the first threaded section 131, and the length of the first clearance section 221 is greater than the length of the first threaded section 131.

[0050] Specifically, such as Figure 4 As shown, the second baffle 201 is provided with a first clearance 211 that allows a user's fingernail to penetrate. The first clearance 211 and the second column 202 are located on the same side of the second baffle 201. The first clearance 211 is chamfered, and the size of the chamfer is 0.5mm-1.5mm.

[0051] Specifically, such as Figure 3 As shown, the side of the first baffle 101 is provided with a second clearance 111 that allows a user's fingernail to penetrate. The second clearance 111 and the first column 102 are located on the same side of the first baffle 101. The second clearance 111 also has a chamfer with a size between 0.5mm and 1.5mm.

[0052] Specifically, the end face of the second clearance section 223 is chamfered.

[0053] The working principle or process of this embodiment is as follows:

[0054] During the process of inserting the second column 202 into the locking hole 103, the second clearance section 223 is first inserted into the locking hole 103. Since the diameter of the second clearance section 223 is smaller than the minor diameter of the first threaded section 131, the second clearance section 223 can be smoothly inserted into the locking hole 103. After the second clearance section 223 is fully inserted into the locking hole 103, the second threaded section 222 is inserted into the locking hole 103. During the process of inserting the second threaded section 222 into the locking hole 103, the user needs to rotate the locking part 2 through the second baffle 201 to make the second threaded section 222 threadedly connected to the first threaded section 131. After the second threaded section 222 is fully inserted into the locking hole 103, continue rotating the locking part 2 until the second threaded section 222 separates from the first threaded section 131 and extends into the inner cavity of the locking hole 103. At this time, the second baffle 201 can be pushed to push the first clearance section 221 into the locking hole 103, so that the first baffle 101 and the second baffle 201 respectively fit against the two side walls of the mounting strip 4, completing the connection between the insertion part 1 and the locking part 2. After the connection between the insertion part 1 and the locking part 2 is completed, the first baffle 101 and the second baffle 201 clamp the mounting strip 4, and the storage unit 3 is hooked onto the mounting strip 4 by the locking pin.

[0055] After connecting the locking part 2 and the insertion part 1, the second threaded section 222 can slide within the insertion part 1. The two sliding limits of the second threaded section 222 are the contact point between the second threaded section 222 and the first threaded section 131, and the contact point between the second baffle 201 and the end face of the first column 102. When the second threaded section 222 contacts the first threaded section 131, the second baffle 201 of the locking part 2 extends from the side of the mounting strip 4; when the second baffle 201 contacts the end face of the first column 102, the second baffle fits against the side of the mounting strip 4. When disassembly is required, the user first moves the second stop plate 201 to slide the second threaded section 222 until it abuts against the first threaded section 131. At this time, the second stop plate 201 protrudes from the side of the mounting strip 4, making it easy for the user to rotate the locking part 2 through the second stop plate 201. Then, by rotating the second stop plate 201 in the opposite direction, the second threaded section 222 is rotated in the opposite direction, so that the second threaded section 222 is pulled out from the locking hole 103. Finally, the second clearance section 223 is pulled out, and the locking part 2 is pulled out from the insertion part 1. After the locking part 2 is pulled out, the insertion part 1 is pulled out from the mounting holes on the mounting strip 4 and the storage unit 3.

[0056] The beneficial effects of this embodiment are as follows:

[0057] The second column 202 is threadedly connected to the locking hole 103, providing high connection strength and easy assembly / disassembly. The first clearance section 221 and the second clearance section 223 allow the second column 202 to slide within the locking hole 103, enabling the user to manually pry the second baffle 201 off the mounting strip 4, making it easier for the user to remove the locking part 2 from the insertion part 1.

[0058] The first clearance portion 211 and the second clearance portion 111 allow the user to easily pry the second baffle 201 out of the outer wall of the mounting strip 4 using their fingernail. The clearance portions are chamfered, making them easier to process. The chamfered end face of the second clearance section 223 makes it easier to smoothly insert the second clearance section 223 into the locking hole 103.

[0059] Example 3

[0060] This embodiment is an example of a fixed structure, such as... Figures 5-8 As shown, it includes a storage unit 3, a locking pin as described in Embodiment 1 and / or 2, and a mounting strip 4 that can be installed on a wall or bracket. The mounting strip 4 has a mounting groove, and the storage unit 3 has a connecting part 301 that can extend into the mounting groove. The connecting part 301 and the side 401 of the mounting strip 4 are both provided with mounting holes. The locking pin can pass through the side 401 of the mounting strip 4 and the mounting holes on the connecting part 301. The side wall 401 is located in the limiting groove 104.

[0061] Specifically, the mounting strip 4 is an E-shaped strip, the mounting groove is an E-shaped groove, and the limiting groove 104 on the first column 102 has three sides 401 for accommodating the mounting strip 4. The end faces of the mounting holes on the three sides 401 of the E-shaped strip are all chamfered.

[0062] The beneficial effects of this embodiment are as follows:

[0063] In this embodiment, after the mounting strip 4 is installed on the wall or bracket, the storage unit 3 can be fixed to the mounting strip 4 using locking pins, thus completing the fixation of the storage unit 3 on the wall or bracket. The locking pins are simple to install and highly secure, preventing them from easily falling off the mounting strip 4 and reducing the risk of the storage unit 3 accidentally falling off. The E-type strip has two mounting slots, allowing storage units 3 to be installed on both sides of the E-type strip simultaneously, making it suitable for various applications. Furthermore, the E-type strip has the advantages of low cost and high connection strength. Chamfers are provided on the end faces of the mounting holes on the three sides 401 of the E-type strip to further guide the movement and facilitate the removal of the locking pins.

[0064] In the specific implementation of the above embodiments, the technical features can be combined in any non-contradictory way. For the sake of brevity, not all possible combinations of the above technical features are described. However, as long as the combination of these technical features is not contradictory, it should be considered to be within the scope of this specification.

[0065] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A locking pin, characterized in that, It includes an insertion part (1) and a locking part (2); The insertion part (1) includes a first baffle (101) and a first column (102). The first baffle (101) is fixedly installed at one end of the first column (102). A locking hole (103) is provided at one end of the first column (102) away from the first baffle (101). The first column (102) is also provided with a plurality of limiting grooves (104). The plurality of limiting grooves (104) are linearly arranged on the side of the first column (102) along the axis of the first column (102). The locking part (2) includes a second baffle (201) and a second column (202) that can extend into the inner cavity of the locking hole (103). The second baffle (201) is fixedly installed at one end of the second column (202), and the second column (202) can extend into the inner cavity of the locking hole (103) and be detachably connected to the locking hole (103).

2. A locking pin according to claim 1, characterized in that, The sidewall of the limiting groove (104) is an inclined sidewall (141), and one end of the inclined sidewall (141) away from the bottom of the limiting groove (104) is inclined in a direction away from the center of the limiting groove (104).

3. A locking pin according to claim 1, characterized in that, The inner cavity of the locking hole (103) is provided with a first threaded section (131), and the second column (202) is provided with a second threaded section (222). The first threaded section (131) and the second threaded section (222) are threadedly connected.

4. A locking pin according to claim 3, characterized in that, The first threaded section (131) is located on the inner wall of the locking hole (103) at one end away from the first baffle (101), and the major diameter of the first threaded section (131) is less than or equal to the inner diameter of the locking hole (103); The second column (202) is also provided with a first clearance section (221) and a second clearance section (223). The first clearance section (221), the second threaded section (222) and the second clearance section (223) are arranged sequentially on the second column (202), and the first clearance section (221) is closer to the second baffle (201). The diameters of the first clearance section (221) and the second clearance section (223) are both smaller than the minor diameter of the first threaded section (131), and the length of the first clearance section (221) is greater than the length of the first threaded section (131).

5. A locking pin according to claim 1, characterized in that, The second baffle (201) is provided with a first clearance part (211) that allows a user's fingernail to be inserted. The first clearance part (211) and the second column (202) are located on the same side of the second baffle (201).

6. A locking pin according to claim 5, characterized in that, The first clearance section (211) is chamfered.

7. A locking pin according to claim 1, characterized in that, The side of the first baffle (101) is provided with a second clearance (111) that allows a user's fingernail to be inserted. The second clearance (111) is located on the side of the first baffle (101) near the end of the first column (102).

8. A locking pin according to claim 7, characterized in that, The second clearance section (111) is chamfered.

9. A fixed structure, characterized in that, The device includes a storage unit (3), a locking pin as described in any of claims 1-8, and a mounting strip (4) that can be installed on a wall or bracket. The mounting strip (4) has a mounting groove, and the storage unit (3) has a connecting part (301) that can extend into the mounting groove. The connecting part (301) and the side (401) of the mounting strip (4) are both provided with mounting holes. The locking pin can pass through the mounting holes on the side (401) and the connecting part (301). The side (401) is located in the limiting groove (104).

10. A fixing structure according to claim 9, characterized in that, The mounting strip (4) is an E-shaped strip, the mounting groove is an E-shaped groove, and the limiting groove (104) on the first column (102) has three sides (401) for respectively accommodating the mounting strip (4).

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