A non-powered one-way blocker

Abstract

The invention relates to a non-powered one-way blocker, comprising a body, an eccentric ratchet hingedly connected to the body by a ratchet pin, the upper end of the eccentric ratchet extending out of a shell, an upper portion of the shell being provided with an opening for the shell to extend out, one side of the upper end of the eccentric ratchet being an inclined surface from top to bottom and outward, and the other side being a vertical plane, a limit block being arranged at the bottom of the eccentric ratchet, and the limit block being at the bottom of the eccentric ratchet when no external force is applied to the eccentric ratchet; the body also comprises a pawl hingedly connected to the body by a pawl pin, one end of the pawl being a claw, and the other end being a counterweight, the claw contacting the limit block to limit the rotation of the eccentric ratchet, and the weight of the counterweight being greater than the weight of the claw; a wedge-shaped inclined block switch being arranged below the eccentric ratchet, the upper surface of the inclined block switch being inclined, when the inclined block switch moves toward the counterweight and lifts the counterweight, the claw and the limit block are separated, and when the inclined block switch is away from the counterweight, the counterweight rotates downward, the claw rotates upward and contacting the limit block. The invention can realize one-way blocking of the movement of an object, is easy to use and has an extremely low failure rate.

Description

Technical Field

[0001] The invention belongs to the field of production lines, and in particular relates to a non-powered one-way blocker. Background Art

[0002] Currently, most of the blockers on the market are powered blockers, which require the use of power sources such as air cylinders and oil cylinders to block or allow objects to pass. This has a complex structure, a complex control system, high energy consumption and many failure points.

[0003] In summary, in order to meet the control requirements of the assembly line for the orderly passage of objects, it is urgent to develop a blocker with simple structure, easy use, low cost and good controllability. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a non-powered one-way blocker in view of the shortcomings of the background technology, which can achieve one-way blocking of the movement of an object, is easy to use, and has a very low failure rate.

[0005] The present invention adopts the following technical solutions to solve the above technical problems:

[0006] A non-powered one-way blocker comprises a body, an eccentric ratchet is hingedly connected to the body by a ratchet pin, the upper end of the eccentric ratchet extends out of a shell, the upper part of the shell is provided with an opening for the shell to extend out, one side of the upper end of the eccentric ratchet is an inclined surface from top to bottom and outward, and the other side is a vertical plane, a limit block is arranged at the bottom of the eccentric ratchet, and the limit block is at the bottom of the eccentric ratchet when there is no external force; the body also comprises a pawl hingedly connected by a pawl pin, one end of the pawl is a claw, and the other end is a counterweight block, the claw abuts against the limit block to limit the rotation of the eccentric ratchet, and the weight of the counterweight block is greater than the weight of the claw; a wedge-shaped inclined block switch is arranged below the eccentric ratchet, the upper surface of the inclined block switch is inclined, when the inclined block switch moves toward the counterweight block and lifts the counterweight block, the claw and the limit block are separated, when the inclined block switch is away from the counterweight block, the counterweight block rotates downward, the claw rotates upward and abuts against the limit block.

[0007] Furthermore, the bevel switch is connected to a handle, and the handle extends out of the body.

[0008] Furthermore, a slide groove for the handle to move is provided on the machine body.

[0009] Furthermore, a light bar is provided at the bottom of the machine body, and the inclined block switch is slidably sleeved on the light bar.

[0010] Furthermore, the bottom of the limiting block is provided with rounded corners.

[0011] Furthermore, the end of the claw is also provided with a rounded corner.

[0012] Compared with the prior art, the present invention adopts the above technical solution and has the following technical effects:

[0013] The present invention is applied to a production line, can block the movement of an object in a single direction, is easy to operate, does not cause problems such as malfunctions, does not require any power source, and is manually operated, thus saving material resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of this embodiment.

[0015] In the figure, 1, machine body; 11, opening; 2, eccentric ratchet; 21, inclined plane; 22, plane; 23, limit block; 3, ratchet; 31, claw; 32, counterweight; 4, inclined block switch; 41, handle; 42, light bar. DETAILED DESCRIPTION

[0016] The technical solution of the present invention is further described in detail below in conjunction with the accompanying drawings:

[0017] A non-powered one-way blocker, such as Figure 1 As shown, the machine body 1 includes an eccentric ratchet 2 hingedly connected to the machine body 1 by a ratchet pin, the upper end of the eccentric ratchet 2 extends out of the shell, and the upper part of the shell is provided with an opening 11 for the shell to extend out, one side of the upper end of the eccentric ratchet 2 is a top-down and outward inclined surface 21, and the other side is a vertical plane 22, and a limit block 23 is provided at the bottom of the eccentric ratchet 2, and the limit block 23 is at the bottom of the eccentric ratchet 2 when there is no external force on the eccentric ratchet 2; the machine body 1 also includes a pawl 3 hingedly connected to the pawl 3 pin, and the pawl 3 is One end is a claw 31, and the other end is a counterweight 32. The claw 31 abuts against the limit block 23 to limit the rotation of the eccentric ratchet 2. The weight of the counterweight 32 is greater than the weight of the claw 31. A wedge-shaped inclined block switch 4 is arranged below the eccentric ratchet 2. The upper surface of the inclined block switch 4 is inclined. When the inclined block switch 4 moves toward the counterweight 32 and lifts the counterweight 32, the claw 31 and the limit block 23 are separated. When the inclined block switch 4 moves away from the counterweight 32, the counterweight 32 rotates downward, and the claw 31 rotates upward and abuts against the limit block 23. The bottom of the limit block 23 is provided with a rounded corner. The end of the claw 31 is also provided with a rounded corner.

[0018] The inclined block switch 4 is connected with a handle 41, and the handle 41 passes through the body 1. The body 1 is provided with a slide groove for the handle 41 to move. The bottom of the body 1 is provided with a light bar 42, and the inclined block switch 4 is slidably sleeved on the light bar 42.

[0019] Specific implementation instructions:

[0020] When an object moves from right to left above the machine body 1 , the object will drive the eccentric ratchet 2 to rotate counterclockwise and press the upper end of the eccentric ratchet 2 into the machine body 1 along the inclined surface 21 , so that the object can pass smoothly.

[0021] When the object moves from left to right, the object hits the plane 22 of the eccentric ratchet 2, and because the limit block 23 is held by the claw 31, the eccentric ratchet 2 cannot rotate, and thus the object cannot pass through.

[0022] When the operator wants the object to pass smoothly from left to right, the operator drives the inclined block switch 4 to move rightward through the handle 41, thereby lifting the counterweight block 32 and driving the ratchet 3 to rotate, so that the claw 31 is separated from the limit block 23, so that the eccentric ratchet 2 loses its restriction, and the object can drive the eccentric ratchet 2 to rotate clockwise, thereby pressing the upper end of the eccentric ratchet 2 into the body 1, so that the object can pass smoothly. When the object passes smoothly, the eccentric ratchet 2 returns to its original state under the action of its own gravity (the limit block 23 rotates freely to the bottom of the eccentric ratchet 2); then the operator moves the inclined block switch 4 to the left to its original position, so that the claw 31 moves upward again and contacts the limit block 23, braking the eccentric ratchet 2.

[0023] In this embodiment, the bottom of the limit block and the end of the claw are both provided with rounded corners, so that the claw can smoothly contact the limit block. The present invention is applied to a production line, can block the movement of an object in one direction, is easy to operate, and will not cause problems such as malfunctions.

[0024] It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as generally understood by those skilled in the art in the art to which the present invention belongs. It should also be understood that terms such as those defined in common dictionaries should be understood to have meanings consistent with the meanings in the context of the prior art, and will not be interpreted with idealized or overly formal meanings unless defined as herein.

[0025] The above embodiments are only for explaining the technical idea of ​​the present invention, and cannot be used to limit the protection scope of the present invention. Any changes made on the basis of the technical solution according to the technical idea proposed by the present invention shall fall within the protection scope of the present invention. The above embodiments of the present invention are described in detail, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the field without departing from the purpose of the present invention.

Claims

1. A non-powered one-way blocker, characterized in that: The invention comprises a machine body, an eccentric ratchet is hingedly connected to the machine body by a ratchet pin, the upper end of the eccentric ratchet extends out of a shell, the upper part of the shell is provided with an opening for the shell to extend out, one side of the upper end of the eccentric ratchet is an inclined surface from top to bottom and outward, and the other side is a vertical plane, a limit block is arranged at the bottom of the eccentric ratchet, and the limit block is at the bottom of the eccentric ratchet when there is no external force on the eccentric ratchet; the machine body also comprises a pawl hingedly connected to the pawl pin, one end of the pawl is a claw, and the other end is a counterweight block, the claw abuts against the limit block to limit the rotation of the eccentric ratchet, and the weight of the counterweight block is greater than the weight of the claw; a wedge-shaped inclined block switch is arranged below the eccentric ratchet, and the upper surface of the inclined block switch is inclined, when the inclined block switch moves toward the counterweight block and lifts the counterweight block, the claw and the limit block are separated, and when the inclined block switch is away from the counterweight block, the counterweight block rotates downward, and the claw rotates upward and abuts against the limit block; The inclined block switch is connected with a handle, the handle passes through the body, the body is provided with a slide groove for the handle to move, the bottom of the body is provided with a light bar, the inclined block switch is slidably sleeved on the light bar, the bottom of the limit block is provided with a rounded corner, and the end of the claw is also provided with a rounded corner.

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