Two-section type pin shaft

Abstract

The two-section type pin shaft comprises a shaft body, a positioning shaft shoulder is fixedly connected to the left side of the shaft body, a mounting groove is formed in the right side of the shaft body, semi-ring grooves are formed in the top and the bottom of an inner cavity of the mounting groove correspondingly, and a guide head is arranged on the right side of the mounting groove; a mounting block is fixedly connected to the left side of the guide head, clamping blocks are fixedly connected to the top and the bottom of the mounting block, and a twisting piece is fixedly connected to the right side of the guide head. Through the arrangement of the shaft body, the positioning shaft shoulder, the mounting groove, the semi-ring groove, the guide head, the mounting block, the clamping block, the twisting piece, the blocking assembly, the placing groove and the magnet block, a worker can conveniently mount and dismount the guide head, the guide head is screwed into the mounting groove in the shaft body mounting process, the shaft body is inserted into a connecting hole position through the guide head, and the mounting efficiency is improved. And then, the guide head is reversely rotated to be taken down, tools are not needed, and the use of workers is facilitated.

Description

Technical Field

[0001] The present application relates to the field of connectors, and in particular to a two-section pin. Background Art

[0002] Currently, during the installation of tower cranes, pins are used as connecting parts in many parts. The bevel set on one side of the pin makes it easy to insert it into the holes of the two parts to fix them.

[0003] The two-section pin shaft provided by the publication number "CN219529508U" includes a shaft body, one end of the shaft body is provided with a positioning shoulder, the other end is provided with a guide frustum, and the guide frustum is detachably connected to the shaft body. This structure makes the guide frustum and the shaft body detachable so that the guide frustum can adapt to all shaft bodies of the same diameter. During the installation process, a matching number of shaft bodies can be made as needed, and only a few guide frustums need to be made, which can be used in conjunction with shaft bodies in different positions during installation. The production length of a single pin shaft can be greatly reduced, thereby reducing the material cost and installation cost of the pin shaft, and solving the problems of high production cost, heavy weight and high installation strength of the existing integrated structure of the shaft body and guide frustum.

[0004] Although this patent connects the shaft body and the bevel groove of the pin shaft by using a threaded connection, which not only facilitates its installation but also reduces the use of raw materials and reduces the production cost of the pin shaft, this patent has the problem of inconvenient operation during use, whether it is connecting the guide table and the shaft body by separating the screw or using a wrench to thread the guide table and the shaft body, and both require tools to disassemble and assemble the guide table, resulting in a lot of time being required during the installation process of the tower crane, which not only increases the workload of the staff, but also reduces work efficiency, which is not conducive to use. Summary of the Invention

[0005] The purpose of this application is to provide a two-section pin shaft, which has the advantage of being able to quickly complete the installation and disassembly operations of the two-section pin shaft without the need for tools and can quickly perform the installation and disassembly work.

[0006] To achieve the above-mentioned purpose, the present application also provides a two-section pin shaft, including a shaft body, a positioning shaft shoulder fixedly connected to the left side of the shaft body, a mounting groove is provided on the right side of the shaft body, and semi-annular grooves are provided at the top and bottom of the inner cavity of the mounting groove, a guide head is provided on the right side of the mounting groove, a mounting block is fixedly connected to the left side of the guide head, a clamping block is fixedly connected to the top and bottom of the mounting block, a torsion plate is fixedly connected to the right side of the guide head, and a blocking component is provided at the top of the shaft body.

[0007] Preferably, the blocking assembly includes an insertion rod, the bottom of the insertion rod extends through the bottom of the shaft body, the top of the shaft body is provided with a through hole for use with the insertion rod, and the top of the surface of the insertion rod is sleeved with two rotating blocking pieces.

[0008] Preferably, the front and rear sides of the shaft are provided with fixing grooves, the bottoms of the two rotating baffles on the opposite sides are provided with fixing plates, the opposite sides of the two fixing plates pass through the inner cavity of the fixing grooves, and the opposite sides of the two fixing plates are fixedly connected to the limiting blocks.

[0009] Preferably, a separation opening is provided at the bottom of the insertion rod, and an annular groove for use with a rotating baffle is provided at the top of the surface of the insertion rod.

[0010] Preferably, a placement groove is provided on the left side of the mounting block, and a magnet block is fixedly connected to the right side of the inner cavity of the placement groove.

[0011] Preferably, the guide head is in the shape of a cone, and the top and bottom of the right side of the shaft are both provided with slot openings for use with the clamping block.

[0012] Preferably, the surface of the twisting piece is provided with anti-slip grooves, and the front and rear sides of the twisting piece are both provided with anti-slip arc surfaces.

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

[0014] 1. The arrangement of the shaft, positioning shoulder, mounting groove, semi-ring groove, guide head, mounting block, clamping block, twisting piece, blocking assembly, placement groove, and magnet block facilitates the installation and removal of the guide head. During the installation of the shaft, the guide head is screwed into the mounting groove, the shaft is inserted into the connection hole through the guide head, and then the guide head is reversed to remove it. No tools are required, making it convenient for the staff to use.

[0015] 2. By providing the placement groove, the installation and fixation of the magnet block can be facilitated. By providing the magnet block, the installation block can be conveniently adsorbed in the inner cavity of the installation groove, which is convenient for the staff to install and fix the guide head. By providing the cone-shaped guide head, the shaft body can be conveniently inserted into the connecting hole. By providing the slot opening, the card block can be conveniently matched with the semi-ring groove to install and fix the guide head. By providing the anti-slip groove and the anti-slip arc surface, it is convenient for the staff to pinch the twist piece to rotate the guide head. After the shaft body is inserted into the connecting hole, the insertion rod is inserted into the through hole, and the separation opening at the bottom of the insertion rod is opened to prevent the insertion rod from being separated from the through hole. The two rotating baffles are unfolded, and then the fixing plate is inserted into the fixing groove to limit the rotating baffle. The limiting effect of the shaft body is increased by the two rotating baffles, which prevents the shaft body from being separated from the connecting hole and improves the stability of the shaft body installation. The setting of the limit block can prevent the fixing plate from being separated from the inner cavity of the rotating baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of a two-section pin provided by the present application;

[0017] Figure 2 This is a cross-sectional view of a two-section pin provided in this application;

[0018] Figure 3 This is a schematic diagram of a guide head, mounting block and clamping block of a two-section pin provided in this application;

[0019] Figure 4 This is an exploded view of a blocking assembly of a two-section pin provided in this application.

[0020] In the figure: 1. Shaft body; 2. Positioning shoulder; 3. Mounting groove; 4. Semi-annular groove; 5. Guide head; 6. Mounting block; 7. Clamping block; 8. Twist plate; 9. Blocking assembly; 901. Insert rod; 902. Through hole; 903. Rotating baffle; 904. Fixed groove; 905. Fixed plate; 906. Annular groove; 10. Placement groove; 11. Magnet block. DETAILED DESCRIPTION

[0021] To make the purpose, technical solutions and advantages of the present application clearer, the embodiments of the present application will be described in further detail below with reference to the accompanying drawings. Terms such as "upper", "above", "lower", "below", "first end", "second end", "one end", "the other end" used in this application to express spatial relative positions are used to describe the relationship of one unit or feature relative to another unit or feature as shown in the accompanying drawings for the purpose of ease of explanation. Terms of spatial relative position may be intended to include different orientations of the device in use or work other than the orientation shown in the figures. For example, if the device in the figure is turned over, the unit described as being "below" or "below" other units or features will be "above" other units or features. Therefore, the exemplary term "below" can encompass both the above and below orientations. The device can be oriented in other ways (rotated 90 degrees or in other orientations), and the spatially related descriptive terms used herein are interpreted accordingly.

[0022] Furthermore, the terms "installed," "disposed," "provided with," "connected," "slidingly connected," "fixed," and "socketed" should be interpreted broadly. For example, "connected" can mean a fixed connection, a removable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, an indirect connection through an intermediary, or internal communication between two devices, elements, or components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments described in this application are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of this application.

[0024] See also Figure 1-4 The utility model provides a technical solution: a two-section pin shaft, including a shaft body 1, a positioning shaft shoulder 2 is fixedly connected to the left side of the shaft body 1, a mounting groove 3 is provided on the right side of the shaft body 1, and semi-annular grooves 4 are provided at the top and bottom of the inner cavity of the mounting groove 3. A guide head 5 is provided on the right side of the mounting groove 3, and a mounting block 6 is fixedly connected to the left side of the guide head 5. A clamping block 7 is fixedly connected to the top and bottom of the mounting block 6. A torsion piece 8 is fixedly connected to the right side of the guide head 5, and a blocking component 9 is provided on the top of the shaft body 1.

[0025] Example 1: By setting the shaft body 1, positioning shoulder 2, mounting groove 3, semi-ring groove 4, guide head 5, mounting block 6, clamping block 7, twisting piece 8, blocking assembly 9, placement groove 10 and magnet block 11, it is convenient for staff to install and disassemble the guide head 5. During the installation process of the shaft body 1, the guide head 5 is screwed into the mounting groove 3, and the shaft body 1 is inserted into the connecting hole through the guide head 5. Then, the guide head 5 can be reversed to remove it. No tools are required, which is convenient for staff to use.

[0026] In one possible implementation, see Figure 1-4 A two-section pin shaft, a placement slot 10 is opened on the left side of the mounting block 6, and a magnet block 11 is fixedly connected to the right side of the inner cavity of the placement slot 10. The guide head 5 is in the shape of a cone, and the top and bottom of the right side of the shaft body 1 are provided with slot openings for use with the clamping block 7. The surface of the twisting piece 8 is provided with anti-slip grooves, and the front and rear sides of the twisting piece 8 are provided with anti-slip arc surfaces.

[0027] Example 2: By setting the placement groove 10, the installation and fixation of the magnet block 11 can be facilitated. By setting the magnet block 11, the installation block 6 can be conveniently adsorbed in the inner cavity of the installation groove 3, which is convenient for the staff to install and fix the guide head 5. By setting the cone-shaped guide head 5, the shaft body 1 can be conveniently inserted into the connecting hole. By setting the slot opening, the clamping block 7 can be conveniently matched with the semi-annular groove 4 to install and fix the guide head 5. By setting the anti-slip groove and the anti-slip arc surface, the staff can pinch the twist piece 8 to rotate the guide head 5.

[0028] On the basis of Example 1, this embodiment describes the blocking component 9 in Example 1. The blocking component 9 includes an insertion rod 901. The bottom of the insertion rod 901 passes through the bottom of the shaft body 1. The top of the shaft body 1 is provided with a through hole 902 for use with the insertion rod 901. The top of the surface of the insertion rod 901 is sleeved with two rotating blocking pieces 903. The front and rear sides of the shaft body 1 are provided with fixing grooves 904. The bottoms of the opposite sides of the two rotating blocking pieces 903 are provided with fixing pieces 905. The opposite sides of the two fixing pieces 905 pass through the inner cavity of the fixing groove 904. The opposite sides of the two fixing pieces 905 are fixedly connected to the limiting block. The bottom of the insertion rod 901 A separation opening is provided, and an annular groove 906 is provided on the top of the surface of the insertion rod 901 for use with the rotating block 903. After the shaft body 1 is inserted into the connecting hole, the insertion rod 901 is inserted into the through hole 902, and the separation opening at the bottom of the insertion rod 901 is opened to prevent the insertion rod 901 from being separated from the through hole 902. The two rotating block pieces 903 are unfolded, and then the fixing piece 905 is inserted into the fixing groove 904 to limit the rotating block piece 903. The two rotating block pieces 903 increase the limiting effect of the shaft body 1, prevent the shaft body 1 from being separated from the connecting hole, and improve the stability of the installation of the shaft body 1. By setting a limit block, the fixing piece 905 can be prevented from being separated from the inner cavity of the rotating block piece 903.

[0029] Working principle: Place the mounting block 6 on the left side of the guide head 5 into the mounting groove 3, and at the same time, the clamping block 7 enters the inner cavity of the semi-annular groove 4 through the slot opening, rotate the guide head 5 through the twisting piece 8, and use the clamping block 7 to cooperate with the semi-annular groove 4 to fix the guide head 5, and conveniently insert the shaft body 1 into the connecting hole through the guide head 5. After completing the installation of the shaft body 1, flip the twisting piece 8 so that the guide head 5 is no longer connected to the shaft body 1. The entire operation process does not require the use of tools, which is convenient and fast, and improves work efficiency. After the installation is completed, the shaft body 1 is inserted into the insertion rod 901, and then the two rotating baffles 903 are unfolded, and the rotating baffle 903 is limited by the fixing piece 905 and the fixing groove 904. The shaft body 1 is fixed by the two rotating baffles 903 to prevent the shaft body 1 from loosening. Compared with the wire clip, the two rotating baffles 903 can increase the contact area with one side of the component, and will not be deformed due to extrusion, thereby improving the stability of the shaft body 1.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A two-section pin, characterized in that: The invention comprises a shaft body (1), wherein the left side of the shaft body (1) is fixedly connected to a positioning shaft shoulder (2), the right side of the shaft body (1) is provided with a mounting groove (3), the top and bottom of the inner cavity of the mounting groove (3) are both provided with a semi-annular groove (4), a guide head (5) is provided on the right side of the mounting groove (3), the left side of the guide head (5) is fixedly connected to a mounting block (6), the top and bottom of the mounting block (6) are both fixedly connected to a clamping block (7), the right side of the guide head (5) is fixedly connected to a torsion plate (8), and the top of the shaft body (1) is provided with a blocking component (9).

2. A two-section pin according to claim 1, characterized in that: The blocking assembly (9) comprises an insertion rod (901), the bottom of the insertion rod (901) extends through the bottom of the shaft body (1), the top of the shaft body (1) is provided with a through hole (902) for use with the insertion rod (901), and two rotating blocking pieces (903) are sleeved on the top of the surface of the insertion rod (901).

3. A two-section pin according to claim 2, characterized in that: The front and rear sides of the shaft body (1) are both provided with fixing grooves (904), and the bottoms of the two rotating blocking pieces (903) on the opposite sides are both provided with fixing pieces (905), and the opposite sides of the two fixing pieces (905) are both penetrated into the inner cavity of the fixing groove (904), and the opposite sides of the two fixing pieces (905) are both fixedly connected to the limiting blocks.

4. A two-section pin according to claim 2, characterized in that: A separation opening is provided at the bottom of the insertion rod (901), and an annular groove (906) for use with the rotating baffle (903) is provided at the top of the surface of the insertion rod (901).

5. The two-section pin according to claim 1, characterized in that: A placement groove (10) is provided on the left side of the installation block (6), and a magnet block (11) is fixedly connected to the right side of the inner cavity of the placement groove (10).

6. The two-section pin according to claim 1, characterized in that: The guide head (5) is in the shape of a cone, and the top and bottom of the right side of the shaft body (1) are both provided with slot openings for use with the clamping block (7).

7. The two-section pin according to claim 1, characterized in that: The surface of the twisting plate (8) is provided with anti-slip grooves, and the front and rear sides of the twisting plate (8) are both provided with anti-slip arc surfaces.

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