Combined pin shaft

Abstract

The utility model discloses a combined type pin shaft in the technical field of combined type pin shafts, which comprises a pin shaft main body, a limiting component is arranged on the pin shaft main body, the limiting component comprises an inserting rod, a fixed rod is connected onto the inserting rod in a penetrating manner, a rotating bead is rotatably connected into the inserting rod, a rotating rod is connected onto the rotating bead in a penetrating manner, and the rotating rod is connected with a pin shaft. The pin shaft comprises a pin shaft main body, an inserting rod is arranged on the pin shaft main body, a rotating hole is formed in the inserting rod, a placing assembly is arranged on the pin shaft main body, the inserting rod is inserted into the pin shaft main body during use, the limiting effect can be achieved during use, then a fixing rod is inserted into the inserting rod in a penetrating mode, and the fixing rod is fixed to the inserting rod; when in use, the limiting function can be achieved, then the rotating ball in one end of the inserting rod rotates in the inserting rod, the rotating rod is inserted into the rotating ball in a penetrating mode, the rotating ball is fixed to the rotating rod, and then the rotating rod rotates in the inserting rod.

Description

Technical Field

[0001] The utility model relates to the technical field of combined pin shafts, in particular to a combined pin shaft. Background Art

[0002] Pins are a type of standardized fastener that can be used for static fixed connections or for relative movement with the connected parts. They are mainly used at the hinge joints of two parts to form hinge connections. Pins are usually locked with cotter pins, which ensure reliable operation and easy disassembly.

[0003] Problems with the existing technology: When the existing pin shaft is plugged in and fixed, in some cases the plug-in pin shaft needs to be restricted, which requires workers to prepare the necessary accessories. If they are lost or forgotten, they need to go and get them, which not only delays time but also affects the "project". Utility Model Content

[0004] The purpose of the present utility model is to provide a combined pin shaft to solve the problem that the existing pin shafts mentioned above need to be restricted in some cases when they are plugged in and fixed, which requires workers to prepare the necessary accessories. If they are lost or forgotten, they need to go to get them, which not only delays time but also affects the "project".

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A combined pin shaft comprises a pin shaft body, a limiting assembly is provided on the pin shaft body, the limiting assembly comprises a plug rod, a fixing rod is inserted and connected to the plug rod, a rotating ball is rotatably connected in the plug rod, a rotating rod is inserted and connected to the rotating ball, a rotating hole is opened in the plug rod, and a placement assembly is provided on the pin shaft body.

[0007] As a further solution of the present invention: two groups of insertion rods are inserted and connected on the rotating rod, and two groups of insertion holes are opened on the rotating rod.

[0008] As a further solution of the present invention: second fixing plates are fixedly installed at both ends of the penetration rod, and first fixing plates are fixedly installed at one end of two groups of the second fixing plates.

[0009] As a further solution of the present invention: a placement groove is provided on the plug-in rod, and two groups of limiting plates are fixedly installed on the rotating rod.

[0010] As a further solution of the present invention: the placement component includes a second N-shaped plate, the lower end of the second N-shaped plate is fixedly mounted on the upper end of the pin shaft body, and the upper end of the second N-shaped plate is provided with two sets of telescopic slots.

[0011] As a further solution of the present invention: a first N-shaped plate is slidably connected in the telescopic groove, and fitting grooves are formed on the first N-shaped plate and the second N-shaped plate.

[0012] As a further solution of the present invention: four groups of springs are fixedly installed on the lower end of the first N-shaped plate, and the lower ends of the four groups of springs are fixedly installed on the bottom end of the telescopic slot. Four groups of limiting rods are fixedly installed on the bottom end of the telescopic slot, and the upper ends of the four groups of limiting rods are fixedly installed on the lower end of the first N-shaped plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. In the utility model, the plug-in rod is plugged into the pin shaft body when in use, which can play a limiting role when in use. Then the plug-in rod is inserted with a fixing rod, and the fixing rod is fixed on the plug-in rod, which can play a limiting role when in use. Then the rotating ball at one end of the plug-in rod rotates therein, and the rotating ball is inserted with a rotating rod, and the rotating ball is fixed on the rotating rod, and then the rotating rod rotates in the plug-in rod, and the rotating hole is opened on the plug-in rod, and the rotating hole can cooperate with the following parts to facilitate the rotation of the rotating rod, which can play a limiting and rotation role.

[0015] 2. In the present invention, two groups of insertion rods are inserted into the insertion holes provided on the rotating rod. When in use, the two groups of insertion rods can rotate on the rotating rod and can cooperate with the following parts.

[0016] 3. In the present invention, the second fixing plates (a total of four groups) are fixedly installed at both ends of the two groups of interpenetrating rods. When in use, the two groups of interpenetrating rods are rotatable, driving the four groups of second fixing plates to rotate, and the first fixing plates are fixed on the four groups of second fixing plates, which can play a role of connection and filling.

[0017] 4. In the utility model, the placement groove opened on the plug-in rod can cooperate with the above-mentioned rotating hole. The placement groove can allow the above-mentioned second fixed plate that drives the rotation to fit in with the first fixed plate, which is convenient for placement. Then, the two sets of limiting plates fixed on the rotating rod can not only rotate with the rotating rod, but also can facilitate the rotation or limit the rotation of the inserted rod and the parts thereon by different rotation positions.

[0018] 5. In the present invention, the second N-shaped plate is fixed to the upper end of the pin body, which can play a fixing role. Then the telescopic groove opened on the upper end of the second N-shaped plate is convenient for cooperation with the following parts when in use.

[0019] 6. In the present invention, the first N-type plate slides in the telescopic groove, and both the first N-type plate and the second N-type plate are provided with fitting grooves, and the fitting groove provided on the first N-type plate is larger than that provided on the second N-type plate. This design makes it easier to squeeze and fix the plate.

[0020] 7. In the present invention, when the first N-shaped plate is not in operation, it is driven by four groups of springs fixed at the bottom end of the telescopic slot to be squeezed. When in use, the first N-shaped plate is moved to stretch the parts on it for easy placement. Then the four groups of limiting rods are located inside the springs, which can limit and prevent deformation. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0022] Figure 2 It is a structural diagram of the limiting component in the present utility model;

[0023] Figure 3 yes Figure 2 A magnified schematic diagram of the structure at A;

[0024] Figure 4 This is a schematic diagram of the structure of the components placed in the present invention.

[0025] In the figure: 1. Pin shaft body; 2. Limiting assembly; 201. Connecting rod; 202. Fixing rod; 203. Placement groove; 204. Turning ball; 205. Rotating rod; 206. First fixing plate; 207. Second fixing plate; 208. Limiting plate; 209. Rotating hole; 210. Inserting rod; 211. Inserting hole; 3. Placement assembly; 301. First N-type plate; 302. Second N-type plate; 303. Fitting groove; 304. Telescopic groove; 305. Spring; 306. Limiting rod. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figures 1-2In an embodiment of the present invention, a combined pin shaft comprises a pin shaft body 1, a limiting component 2 is provided on the pin shaft body 1, the limiting component 2 comprises a plug-in rod 201, a fixing rod 202 is inserted and connected to the plug-in rod 201, a rotating ball 204 is rotatably connected in the plug-in rod 201, a rotating rod 205 is inserted and connected to the rotating ball 204, a rotating hole 209 is opened in the plug-in rod 201, and a placement component 3 is provided on the pin shaft body 1.

[0028] Among them, when in use, the connecting rod 201 is connected to the pin shaft body 1, which can play a limiting role when in use, and then the fixing rod 202 is inserted into the connecting rod 201, and the fixing rod 202 is fixed on the connecting rod 201, which can play a limiting role when in use, and then the rotating ball 204 at one end of the connecting rod 201 rotates therein, and the rotating ball 204 is inserted into the rotating rod 205, and the rotating ball 204 is fixed on the rotating rod 205, and then the rotating rod 205 rotates in the connecting rod 201, and the rotating hole 209 is opened on the connecting rod 201, and the rotating hole 209 can cooperate with the following parts to facilitate the rotation of the rotating rod 205, which can play a limiting and rotation role.

[0029] See also Figures 2-3 Two groups of insertion rods 210 are inserted and connected on the rotating rod 205, and two groups of insertion holes 211 are opened on the rotating rod 205.

[0030] Among them, two groups of insertion rods 210 are inserted into the insertion holes 211 opened on the rotating rod 205. When in use, the two groups of insertion rods 210 can rotate on the rotating rod 205 and can cooperate with the following parts.

[0031] See also Figures 2-3 The second fixing plates 207 are fixedly installed at both ends of the insertion rod 210, and the first fixing plates 206 are fixedly installed at one end of the two groups of second fixing plates 207.

[0032] Among them, the two ends of the two groups of penetration rods 210 are fixedly installed with the second fixed plates 207 (a total of four groups). When in use, the two groups of penetration rods 210 are able to rotate, driving the four groups of second fixed plates 207 to rotate, and the first fixed plates 206 are fixed on the four groups of second fixed plates 207, which can play the role of connection and filling.

[0033] See also Figure 2 A placement slot 203 is provided on the plug-in rod 201 , and two sets of limiting plates 208 are fixedly mounted on the rotating rod 205 .

[0034] Among them, the placement groove 203 opened on the plug-in rod 201 can cooperate with the above-mentioned rotating hole 209. The placement groove 203 can allow the above-mentioned second fixed plate 207 that drives the rotation to fit in with the first fixed plate 206, which is convenient for placement. Then, the two sets of limiting plates 208 fixed on the rotating rod 205 can not only rotate with the rotating rod 205, but also use different rotation positions to make the inserted rod 210 and the parts thereon easy to rotate or have a limiting effect.

[0035] See also Figure 4 The placement component 3 includes a second N-shaped plate 302 , the lower end of the second N-shaped plate 302 is fixedly mounted on the upper end of the pin shaft body 1 , and two sets of telescopic slots 304 are opened on the upper end of the second N-shaped plate 302 .

[0036] Among them, the second N-shaped plate 302 is fixed to the upper end of the pin shaft body 1 and can play a fixing role. Then the telescopic groove 304 opened on the upper end of the second N-shaped plate 302 is convenient for matching with the following parts when in use.

[0037] See also Figure 4 The first N-type plate 301 is slidably connected in the telescopic groove 304 , and fitting grooves 303 are opened on the first N-type plate 301 and the second N-type plate 302 .

[0038] Among them, the first N-type plate 301 slides in the telescopic groove 304, and the first N-type plate 301 and the second N-type plate 302 are both provided with fitting grooves 303, and the fitting groove 303 provided on the first N-type plate 301 is larger than that provided on the second N-type plate 302. Such a design can facilitate extrusion to achieve a fixing effect.

[0039] See also Figure 4 Four groups of springs 305 are fixedly installed at the lower end of the first N-shaped plate 301, and the lower ends of the four groups of springs 305 are fixedly installed at the bottom end of the telescopic slot 304. Four groups of limiting rods 306 are fixedly installed at the bottom end of the telescopic slot 304, and the upper ends of the four groups of limiting rods 306 are fixedly installed at the lower end of the first N-shaped plate 301.

[0040] Among them, when the first N-type plate 301 is not in use, it is driven by four groups of springs 305 fixed at the bottom end of the telescopic slot 304 to be squeezed. When in use, the first N-type plate 301 is moved to stretch the parts on it for easy placement, and then the four groups of limiting rods 306 are located inside the springs 305, which can play a role in limiting and preventing deformation.

[0041] The working principle of the present invention is as follows: when in use, the connecting rod 201 is connected to the pin shaft body 1, which can play a limiting role when in use, and then the fixing rod 202 is inserted into the connecting rod 201, and the fixing rod 202 is fixed to the connecting rod 201, which can play a limiting role when in use, and then the rotating ball 204 at one end of the connecting rod 201 rotates therein, and the rotating ball 204 is inserted into the rotating rod 205, and the rotating ball 204 is fixed on the rotating rod 205, and then the rotating rod 205 rotates in the connecting rod 201, and the rotating hole 209 is opened on the connecting rod 201, and the rotating hole 209 can cooperate with the following parts to facilitate the rotation of the rotating rod 205, which can play a limiting and rotation role.

[0042] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A combined pin, comprising a pin body (1), characterized in that: The pin shaft body (1) is provided with a limiting assembly (2), the limiting assembly (2) comprising a plug rod (201), a fixing rod (202) inserted and connected to the plug rod (201), a rotating ball (204) rotatably connected inside the plug rod (201), a rotating rod (205) inserted and connected to the rotating ball (204), a rotating hole (209) opened in the plug rod (201), and a placement assembly (3) provided on the pin shaft body (1).

2. The combined pin according to claim 1, characterized in that: Two groups of insertion rods (210) are inserted and connected on the rotating rod (205), and two groups of insertion holes (211) are opened on the rotating rod (205).

3. The combined pin according to claim 2, characterized in that: The two ends of the insertion rod (210) are fixedly mounted with second fixing plates (207), and one end of the two groups of the second fixing plates (207) is fixedly mounted with a first fixing plate (206).

4. The combined pin according to claim 1, characterized in that: A placement slot (203) is provided on the plug-in rod (201), and two groups of limiting plates (208) are fixedly mounted on the rotating rod (205).

5. The combined pin according to claim 1, characterized in that: The placement assembly (3) comprises a second N-shaped plate (302), the lower end of the second N-shaped plate (302) is fixedly mounted on the upper end of the pin shaft body (1), and the upper end of the second N-shaped plate (302) is provided with two sets of telescopic slots (304).

6. The combined pin according to claim 5, characterized in that: A first N-type plate (301) is slidably connected in the telescopic slot (304), and fitting slots (303) are provided on the first N-type plate (301) and the second N-type plate (302).

7. The combined pin according to claim 6, characterized in that: Four groups of springs (305) are fixedly mounted on the lower end of the first N-shaped plate (301), the lower ends of the four groups of springs (305) are fixedly mounted on the bottom end of the telescopic slot (304), the bottom end of the telescopic slot (304) is fixedly mounted with four groups of limiting rods (306), the upper ends of the four groups of limiting rods (306) are fixedly mounted on the lower end of the first N-shaped plate (301).

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