Corrosion resistant low friction latch

Abstract

The utility model relates to a latch technical field especially relates to a kind of corrosion-resistant low friction latch, including shell, sliding handle, latch block and seat buckle etc.;Shell top is opened with sliding slot, and the left and right sides of shell are all opened with first through-hole, and sliding handle is slidably connected in sliding slot, and sliding handle bottom extends into shell, and sliding handle bottom is connected with latch block, and latch block is slidably connected with shell by first through-hole, and seat buckle is slidably connected on the side of latch block, and the side of seat buckle close to shell is opened with second through-hole. The utility model is provided with the elastic sheet and the limiting boss of corrosion resistance, by the mode that limiting boss and clamping groove are connected, latch block can be effectively avoided to automatically slide and unlock due to accidental collision or vibration, provide stable locking mechanism, when elastic sheet is pressed and deformed, the distance between the top of latch block and first through-hole and second through-hole increases, further reduce the friction between latch block and shell and seat buckle, improve the service life of latch block.

Description

Technical Field

[0001] This utility model relates to the field of pin technology, and in particular to a corrosion-resistant, low-friction pin. Background Technology

[0002] Pins, as common connecting components, are widely used in various mechanical equipment, furniture, and building structures. Their main function is to achieve quick connection or separation between components through insertion and removal. Pins are typically made of metal or high-strength plastic, offering durability and reliability. In mechanical equipment, pins are often used to secure rotating or sliding parts, ensuring the stability of the equipment during operation. In furniture manufacturing, pins are commonly used to connect cabinet doors, drawers, and other components, facilitating disassembly and assembly. In building structures, pins are used to connect steel frames, scaffolding, and other components, ensuring the stability and safety of the structure.

[0003] Most existing latch components are made of carbon steel. However, carbon steel is highly susceptible to corrosion when exposed to air, especially in humid environments, due to its tendency to react chemically with moisture and oxygen. This significantly limits the lifespan of the latch in high-humidity environments. Furthermore, as the corrosion deepens, the mechanical strength of the latch gradually decreases. Currently, most latch designs on the market are prone to deviating from their intended path during insertion and removal operations, leading to jamming. This not only increases the difficulty of operation for users but also exacerbates the wear of the latch and its associated components, reducing the overall reliability and lifespan of the device. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the purpose of this utility model is to provide a corrosion-resistant and low-friction pin.

[0005] A corrosion-resistant, low-friction pin, comprising:

[0006] shell;

[0007] A sliding handle is provided, with a groove on the top of the housing and first through holes on both the left and right sides of the housing. The sliding handle is slidably connected to the groove, and the bottom of the sliding handle extends into the housing. A pin block is provided, connected to the bottom of the sliding handle, and the pin block is slidably connected to the housing through the first through holes.

[0008] The seat buckle is slidably connected to one side of the pin block. The seat buckle has a second through hole on the side near the outer shell, and the pin block is located in the second through hole.

[0009] A guide assembly and a fixing assembly, the guide assembly and the fixing assembly being connected within the housing.

[0010] To further clarify, the inner diameters of both the first and second through holes are larger than the outer diameter of the pin block.

[0011] To further explain, the guide assembly includes a base plate, the bottom of the sliding handle is connected to the base plate, the base plate has a groove, the pin block is located in the groove, and the pin block is slidably connected to the base plate through the groove.

[0012] To further explain, the fixing component includes a spring and a limiting boss. The bottom of the sliding handle is connected to the spring, which is located between the pin block and the base plate. At least two limiting bosses are connected to the bottom of the spring, and at least two slots that are adapted to the limiting bosses are opened at the bottom of the base plate.

[0013] To further clarify, the outer shell, base plate, pin block, sliding handle, and seat buckle are all made of SUS304 stainless steel with a chromium content of ≥18%.

[0014] To further clarify, both the spring and the limiting boss are made of SUS301 stainless steel.

[0015] To further explain, it also includes self-tapping screws, and at least four first mounting holes are opened circumferentially on both the outer shell and the base plate, and at least two second mounting holes are opened circumferentially on the seat buckle. Self-tapping screws are threaded into both the first mounting holes and the second mounting holes.

[0016] To further explain, the first mounting hole on the outer casing is aligned with the first mounting hole on the base plate.

[0017] To further explain, the inner diameters of both the first through hole 102 and the second through hole 201 are larger than the outer diameter of the pin block 4. To further explain, the spring piece 6 has a V-shaped structure, and the limiting bosses 601 are located on both sides away from the recess of the spring piece 6.

[0018] Beneficial effects: This utility model is equipped with a corrosion-resistant spring and a limiting boss. By engaging the limiting boss with the slot, it can effectively prevent the pin block from automatically sliding and unlocking due to accidental collision or vibration, providing a stable locking mechanism. When the spring is pressed and deformed, the distance between the top of the pin block and the first and second through holes increases, further reducing the friction between the pin block and the outer shell and the seat buckle, and improving the service life of the pin block. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0020] Figure 2 This is a schematic diagram showing the structural separation of this utility model.

[0021] Figure 3 This is a cross-sectional view of the outer shell and seat buckle of this utility model.

[0022] Figure 4This is a schematic diagram of the structure of the card slot, spring piece, and limiting boss of this utility model.

[0023] The component names and serial numbers in the figure are as follows: 1-Outer shell, 101-Slide groove, 102-First through hole, 103-First mounting hole, 2-Seat buckle, 201-Second through hole, 202-Second mounting hole, 3-Sliding handle, 4-Pin block, 5-Base plate, 501-Groove, 502-Slot, 6-Spring piece, 601-Limiting boss, 7-Self-tapping screw. Detailed Implementation

[0024] The preferred technical solution of this utility model will be described in detail below with reference to the accompanying drawings.

[0025] A corrosion-resistant, low-friction pin, such as Figures 1-4 As shown, it includes a housing 1, a seat buckle 2, a sliding handle 3, a pin block 4, a guide assembly, and a fixing assembly. The top of the housing 1 has a sliding groove 101, and the left and right sides of the housing 1 have first through holes 102. The sliding handle 3 is slidably connected in the sliding groove 101. The bottom of the sliding handle 3 extends into the housing 1, and the bottom of the sliding handle 3 is fixedly connected to the pin block 4. The pin block 4 is slidably connected to the housing 1 through the first through hole 102. The right side of the pin block 4 is slidably connected to the seat buckle 2, and the left side of the seat buckle 2 has a second through hole 201. The pin block 4 is located in both the first through hole 102 and the second through hole 201. The guide assembly and the fixing assembly are connected inside the housing 1.

[0026] like Figures 2-4 As shown, the guide assembly includes a base plate 5, the bottom of the sliding handle 3 is connected to the base plate 5, the top of the base plate 5 has a groove 501, the pin block 4 is located in the groove 501, the pin block 4 is slidably connected to the base plate 5 through the groove 501, the inner diameter of the first through hole 102 and the second through hole 201 are both larger than the outer diameter of the pin block 4, thereby avoiding the pin block 4 from getting stuck when sliding and reducing the friction of the pin block 4 during use.

[0027] like Figures 2-4 As shown, the fixing component includes a spring piece 6 and a limiting boss 601. The bottom of the sliding handle 3 is fixedly connected to the spring piece 6. The spring piece 6 is located between the pin block 4 and the base plate 5. The bottom of the spring piece 6 is fixedly connected to two limiting bosses 601. The spring piece 6 has a V-shaped structure. The limiting bosses 601 are located on both sides away from the recess of the spring piece 6. The bottom of the base plate 5 has two slots 502 that are adapted to the limiting bosses 601. The outer shell 1, the base plate 5, the pin block 4, the sliding handle 3 and the seat buckle 2 are all made of SUS304 stainless steel with a chromium content of ≥18%. The spring piece 6 and the limiting bosses 601 are both made of SUS301 stainless steel. The spring piece 6 is tempered to improve the elastic modulus, thereby improving the corrosion resistance of the pin and making it suitable for high humidity and strong corrosion environments.

[0028] like Figure 1 , Figure 2 and Figure 4 As shown, it also includes self-tapping screws 7. The top of the outer shell 1 and the base plate 5 are both evenly spaced along the circumference with four first mounting holes 103. The first mounting holes 103 on the outer shell 1 are aligned with the first mounting holes 103 on the base plate 5. The top of the seat buckle 2 has second mounting holes 202 on both the front and rear sides. The first mounting holes 103 and the second mounting holes 202 are both threaded with self-tapping screws 7.

[0029] When installing this pin, first insert the sliding handle 3 into the slide groove 101, ensuring that the sliding handle 3 slides within the slide groove 101. Then, place the pin block 4 into the outer casing 1, aligning the pin block 4 with the first through hole 102. Insert the sliding handle 3 through the pin block 4, then place the spring piece 6 at the bottom of the pin block 4, ensuring the sliding handle 3 passes through the spring piece 6. Rotate the self-tapping screw 7 into the bottom of the sliding handle 3, fixing both the pin block 4 and the spring piece 6 to the bottom of the sliding handle 3. Finally, place the base plate 5 into the outer casing 1, ensuring both the pin block 4 and the spring piece 6 are located within the groove 501, thus securing the limiting protrusion. The 601 is snapped into the slot 502. Align the first mounting hole 103 on the outer casing 1 with the first mounting hole 103 on the base plate 5. Place the outer casing 1 on the equipment door and screw the self-tapping screw 7 into the first mounting hole 103 and the equipment door, thus completing the installation of the outer casing 1. Next, place the seat buckle 2 on the equipment frame, allowing the pin block 4 to extend into the seat buckle 2 through the second through hole 201. Then, screw the self-tapping screw 7 into the second mounting hole 202, thus completing the installation of the pin. When using this pin, press down on the sliding handle 3; under the elastic force of the spring piece 6... This causes the center of the spring piece 6 to be concave downwards, while both sides of the spring piece 6 are raised upwards. The limiting boss 601 moves away from the slot 502. Then, moving the sliding handle 3 to the left causes the pin block 4 to move to the left away from the seat buckle 2, thereby releasing the lock between the equipment door and the equipment frame. When the equipment door is locked to the equipment frame, press and move the sliding handle 3 to the left, so that the right side of the pin block 4 is inside the outer shell 1, aligning the first through hole 102 with the second through hole 201. Then, move the sliding handle 3 to the right, so that the pin block 4 moves to the right and enters the seat buckle 2. Then, release the sliding handle 3, and the spring piece 6... The original state is restored so that the limiting boss 601 is engaged in the slot 502, thereby locking the equipment door to the equipment frame by this pin. The operation is simple and convenient. By engaging the limiting boss 601 with the slot 502, the automatic sliding unlocking of the pin block 4 due to accidental collision or vibration can be effectively prevented, providing a stable locking mechanism. When the spring piece 6 is pressed and deformed, the distance between the top of the pin block 4 and the first through hole 102 and the second through hole 201 increases, further reducing the friction between the pin block 4 and the outer shell 1 and the seat buckle 2, and improving the service life of the pin block 4.

[0030] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A corrosion-resistant, low-friction pin, characterized in that, include: Outer shell (1); The sliding handle (3) has a groove (101) on the top of the outer shell (1), and first through holes (102) on both the left and right sides of the outer shell (1). The sliding handle (3) is slidably connected to the groove (101), and the bottom of the sliding handle (3) extends into the outer shell (1). A pin block (4) is connected to the bottom of the sliding handle (3), and the pin block (4) is slidably connected to the outer shell (1) through the first through hole (102); Seat buckle (2), the seat buckle (2) is slidably connected to one side of the pin block (4), the seat buckle (2) has a second through hole (201) on the side near the outer shell (1), and the pin block (4) is located in the second through hole (201); A guide assembly and a fixing assembly are connected within the housing (1).

2. The corrosion-resistant, low-friction pin according to claim 1, characterized in that, The inner diameters of the first through hole (102) and the second through hole (201) are both larger than the outer diameter of the pin block (4).

3. The corrosion-resistant, low-friction pin according to claim 2, characterized in that, The guiding component includes: The base plate (5) is connected to the bottom of the sliding handle (3). The base plate (5) has a groove (501) and the pin block (4) is located in the groove (501). The pin block (4) is slidably connected to the base plate (5) through the groove (501).

4. The corrosion-resistant, low-friction pin according to claim 3, characterized in that, The fixing component includes: A spring (6) is connected to the bottom of the sliding handle (3) and is located between the pin block (4) and the base plate (5). And a limiting boss (601), at least two of the limiting bosses (601) are connected to the bottom of the spring piece (6), and the bottom of the base plate (5) has at least two slots (502) that are adapted to the limiting bosses (601).

5. A corrosion-resistant, low-friction pin according to claim 4, characterized in that, The outer shell (1), the base plate (5), the pin block (4), the sliding handle (3), and the seat buckle (2) are all made of SUS304 stainless steel with a chromium content of ≥18%.

6. A corrosion-resistant, low-friction pin according to claim 5, characterized in that, Both the spring sheet (6) and the limiting boss (601) are made of SUS301 stainless steel.

7. A corrosion-resistant, low-friction pin according to claim 6, characterized in that, The pin also includes: The self-tapping screw (7) has at least four first mounting holes (103) on the outer shell (1) and the base plate (5) along the circumference, and at least two second mounting holes (202) on the seat buckle (2) along the circumference. The self-tapping screw (7) is threaded into the first mounting hole (103) and the second mounting hole (202).

8. A corrosion-resistant, low-friction pin according to claim 7, characterized in that, The first mounting hole (103) on the outer casing (1) and the first mounting hole (103) on the base plate (5) are aligned.

9. A corrosion-resistant, low-friction pin according to claim 8, characterized in that, The inner diameters of the first through hole (102) and the second through hole (201) are both larger than the outer diameter of the pin block (4).

10. A corrosion-resistant, low-friction pin according to claim 9, characterized in that, The spring piece (6) has a V-shaped structure, and the limiting protrusions (601) are located on both sides away from the recess of the spring piece (6).

Images