Quick-release device for chain

Abstract

The utility model belongs to the technical field of chain maintenance, and discloses a quick chain detaching device which is used for detaching a chain and comprises a supporting assembly and an ejection assembly. Wherein the supporting assembly is provided with a through hole, the ejection assembly is in threaded connection with the supporting assembly, the screwing depth of the ejection assembly in the supporting assembly is adjustable in the center line direction of the through hole, the ejection assembly can stretch into the through hole, the ejection assembly comprises a screwing piece, the screwing piece comprises a first equal-diameter section, one end of the first equal-diameter section is connected with an ejection piece, and the other end of the first equal-diameter section is connected with the ejection piece. The ejection piece can eject out a pin shaft connecting two adjacent chain links in the chain, and the first equal-diameter section can stretch into a hinge hole of the two adjacent chain links in the chain. According to the chain quick-detaching device, the situation that the ejection piece is damaged due to the fact that the ejection piece deviates relative to the pin shaft when the chain is detached is avoided, and the detaching efficiency of the chain quick-detaching device is improved.

Description

Technical Field

[0001] This utility model relates to the field of chain repair technology, and in particular to a chain quick-release device. Background Technology

[0002] Chains are common mechanical transmission components. In tobacco processing equipment, chains are typically used as conveyor belts to transport materials. During chain transmission, the chain can stretch and deform, leading to poor meshing between the chain and sprockets and deviations in material transport. Therefore, it is necessary to disassemble the connecting pins between the chains to replace them. In existing technology, chain disassembly tools are typically used to remove the pins. A typical chain disassembly tool includes a limit bracket, a main bracket, and a disassembly bracket arranged in sequence. The chain is placed on the limit bracket, and fasteners on the limit bracket are tightened to secure the chain between the limit bracket and the main bracket. The disassembly bracket has an ejector screw with a push rod on the side facing the chain. Tightening the ejector screw causes the push rod to contact the end of the pin. Continuing to tighten the ejector screw causes the pin to disengage from the chain, thus disassembling the chain. However, during disassembly, when the push rod continues to be turned after contacting the chain, the push rod will shift relative to the pin shaft, and the push rod that pushes out the screw is easily damaged, resulting in low disassembly efficiency. Utility Model Content

[0003] The purpose of this invention is to provide a chain quick-release device that can prevent the push-out component from shifting when disassembling the chain, thereby improving the disassembly efficiency of the chain quick-release device.

[0004] To achieve this objective, the present invention adopts the following technical solution:

[0005] A chain quick-release device for disassembling a chain, comprising:

[0006] Support component, wherein the support component has through holes;

[0007] An ejector assembly is threadedly connected to the support assembly. The screwing depth of the ejector assembly in the support assembly is adjustable along the centerline of the through hole. The ejector assembly can extend into the through hole. The ejector assembly includes a screwing member, which includes a first equal-diameter section. One end of the first equal-diameter section is connected to the ejector. The ejector can eject the pin connecting two adjacent links in the chain. The first equal-diameter section can extend into the hinge hole of two adjacent links in the chain.

[0008] Preferably, the screwing component further includes:

[0009] a variable diameter section, gradually decreasing in diameter in a direction towards the through hole, the variable diameter section being connected to the other end of the first constant diameter section;

[0010] a second constant diameter section, connected to the other end of the variable diameter section, the second constant diameter section being threadedly connected to the support assembly.

[0011] Preferably, the center of the ejection assembly is concentric with the center of the through hole.

[0012] Preferably, the support assembly comprises:

[0013] a support member, the support member being provided with the through hole;

[0014] a mounting member, fixedly connected to one side of the support member, the screwing member being threadedly connected to the mounting member, the support member and the mounting member forming a receiving space for placing the chain therebetween.

[0015] Preferably, the ejection member comprises a polished rod portion, the length of the polished rod portion being less than the thickness of the support member.

[0016] Preferably, the ejection member comprises a polished rod portion and a connecting portion connected in sequence, the connecting portion being detachably connected to the first constant diameter section.

[0017] Preferably, the support assembly further comprises:

[0018] a plurality of fixing members, the plurality of fixing members being connected to the other side of the support member, and the plurality of fixing members being uniformly arranged.

[0019] Preferably, the support assembly is made of a metal material.

[0020] Preferably, the through hole is in a rectangular structure.

[0021] Preferably, the screwing member is an external hexagonal bolt.

[0022] The utility model discloses the beneficial effects of:

[0023] This invention provides a quick-release chain device for disassembling chains. The device includes a support assembly and an ejector assembly. The support assembly has a through hole, and the ejector assembly is threadedly connected to it. The screwing depth of the ejector assembly within the support assembly is adjustable along the centerline of the through hole. The ejector assembly can extend into the through hole. The ejector assembly includes a screwing component, which has a first equal-diameter section. One end of the first equal-diameter section is connected to the ejector assembly. The ejector assembly can eject the pin connecting two adjacent chain links. The first equal-diameter section can extend into the hinge hole of the two adjacent chain links. When disassembling the chain, the chain to be disassembled is placed on the through hole, with the pin between two adjacent chain links positioned at the center of the through hole. The screwing component is screwed along the centerline of the through hole until the ejector assembly abuts against the pin. The screwing component is continued to be screwed until the first equal-diameter section is inserted into the hole of the pin in the chain link. The screwing component is continued to be screwed until the ejector assembly ejects the pin from between the two adjacent chain links. By setting a first equal-diameter section, the ejector part is prevented from shifting relative to the pin during chain disassembly, thus avoiding damage to the ejector part and improving the disassembly efficiency of the chain quick-release device. Attached Figure Description

[0024] Figure 1 This is a first isometric view of the chain quick-release device provided in this embodiment of the utility model;

[0025] Figure 2 This is a first cross-sectional view of the chain quick-release device provided in this embodiment of the utility model;

[0026] Figure 3 This is a second isometric view of the chain quick-release device provided in this embodiment of the utility model;

[0027] Figure 4 This is a first cross-sectional view of the chain quick-release device provided in this embodiment of the utility model;

[0028] Figure 5 This is a front view of the ejector assembly provided in this embodiment of the utility model.

[0029] In the picture:

[0030] 1. Support component; 11. Mounting component; 12. Support component; 121. Through hole; 13. Fixing component; 14. Accommodating space;

[0031] 2. Ejector assembly; 21. Tightening component; 211. First equal diameter section; 212. Variable diameter section; 213. Second equal diameter section; 214. Tightening section; 22. Ejector assembly; 221. Connecting part; 222. Polished rod part. Detailed Implementation

[0032] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0033] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0035] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, 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, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0036] like Figures 1-4 As shown, this embodiment provides a chain quick-release device for disassembling a chain, including a support assembly 1 and an ejector assembly 2. The support assembly 1 has a through hole 121, and the ejector assembly 2 is threadedly connected to the support assembly 1. The screwing depth of the ejector assembly 2 in the support assembly 1 is adjustable along the center line of the through hole 121. The ejector assembly 2 can extend into the through hole 121. The ejector assembly 2 includes a screwing member 21, which includes a first equal diameter section 211. One end of the first equal diameter section 211 is connected to an ejector member 22. The ejector member 22 can eject the pin connecting two adjacent chain links in the chain. The first equal diameter section 211 can extend into the hinge hole of two adjacent chain links in the chain.

[0037] When disassembling the chain, the chain to be disassembled is placed on the through hole 121, the pin shaft between the two adjacent chain links is located at the center of the through hole 121, the rotating part 21 is twisted in the direction of the center line of the through hole 121 until the ejector 22 abuts against the pin shaft, the rotating part 21 is continuously twisted, so that the first constant diameter section 211 extends into the hinge holes of the two adjacent chain links, the rotating part 21 is continuously twisted until the ejector 22 ejects the pin shaft from between the two adjacent chain links, at this time, the first constant diameter section 211 is located in the hinge hole. By arranging the first constant diameter section 211, the offset of the ejector 22 relative to the pin shaft during disassembly of the chain is avoided, and damage to the ejector 22 is further caused, thereby improving the disassembly efficiency of the chain quick release device.

[0038] Further, as shown in Figures 1-4 , the rotating part 21 further comprises a variable diameter section 212 and a second constant diameter section 213; wherein the diameter of the variable diameter section 212 gradually decreases in the direction towards the through hole 121, the smallest diameter end of the variable diameter section 212 is connected with the other end of the first constant diameter section 211, the second constant diameter section 213 is connected with the largest diameter end of the variable diameter section 212, and the second constant diameter section 213 is threadedly connected with the support assembly 1. During disassembly of the chain, the rotation of the second constant diameter section 213 drives the movement of the variable diameter section 212, and after the pin shaft is ejected from between the two adjacent chain links, the variable diameter section 212 abuts against the chain link side plate, at this time, the rotating part 21 is screwed in place, avoiding excessive twisting of the rotating part 21 to cause damage to the variable diameter section 212.

[0039] Specifically, as shown in Figures 1-4 , in the embodiment, the smallest diameter end of the variable diameter section 212 is integrally connected with the other end of the first constant diameter section 211, and the second constant diameter section 213 is integrally connected with the largest diameter end of the variable diameter section 212. Thus, the rotating part 21 is an integral whole, improving the strength of the rotating part 21. In other embodiments, the connection can be clamping, insertion or threading, which is not limited herein.

[0040] Optionally, as shown in Figures 1-4 , in the embodiment, the rotating part 21 further comprises a rotating section 214, and the rotating section 214 is fixedly connected with the second constant diameter section 213. By arranging the rotating section 214, the twisting and rotation of the rotating part 21 is more convenient. Specifically, in the embodiment, the rotating part 21 is an external hexagonal bolt. In other embodiments, the rotating part 21 can also be an internal hexagonal bolt, which is not limited herein.

[0041] Further, as shown in Figure 2 and Figure 4As shown, the center of the ejection assembly 2 is concentric with the center of the through hole 121. When disassembling the chain, the pin shaft between the adjacent two chain links is coaxial with the center of the ejection assembly 2, so that the support force received by the pin shaft between the adjacent two chain links when being ejected is uniform, avoiding damage to the ejection assembly 2 caused by uneven force.

[0042] Further, as shown, Figures 1-4 The support assembly 1 includes a support piece 12 and a mounting piece 11. The support piece 12 is provided with a through hole 121, and the mounting piece 11 is fixedly connected to one side of the support piece 12. The rotating piece 21 is threadedly connected with the mounting piece 11, and the support piece 12 and the mounting piece 11 form a containing space 14 for placing the chain. The above arrangement makes the rotating piece 21 more closely arranged with the support assembly 1, and the containing space 14 formed between the support piece 12 and the mounting piece 11 provides space for disassembling the chain. It should be noted that in the present embodiment, the mounting piece 11 is fixedly connected to the upper side of the support piece 12.

[0043] Specifically, in the present embodiment, the support assembly 1 is made of a metal material, which can be stainless steel, iron, or aluminum, and is preferably stainless steel. In other embodiments, it can be iron or aluminum, which is not limited here.

[0044] Further, as shown, Figure 5 The ejection piece 22 includes a light rod portion 222, and the length of the light rod portion 222 is less than the thickness of the support piece 12. The arrangement of the light rod portion 222 can ensure the stability and reliability of the ejection action of the ejection piece 22, effectively avoiding the problems of incomplete ejection or inability to eject caused by insufficient length of the light rod portion 222, and avoiding the problem of interference between the light rod portion 222 and the support piece 12 caused by excessive length of the light rod portion 222, which in turn causes damage to the light rod portion 222, thereby ensuring smooth operation of the chain quick release device.

[0045] Optionally, in the present embodiment, the length of the light rod portion 222 is greater than the length of the pin shaft of the chain. When disassembling the chain, the pin shaft can be completely ejected from the chain. The disassembly efficiency is improved.

[0046] Further, as shown, Figure 5 The ejection piece 22 includes a light rod portion 222 and a connecting portion 221 connected in sequence, and the connecting portion 221 is connected with the first constant diameter section 211. This arrangement ensures the reliability of the ejection action of the ejection piece 22, and also enables quick replacement when the ejection piece 22 is damaged.

[0047] Specifically, as shown, Figure 5 In the present embodiment, the connecting portion 221 is threadedly connected with the first constant diameter section 211. The coaxiality of the threaded connection can ensure the reliability of the ejection piece 22. In other embodiments, the connecting portion 221 and the first constant diameter section 211 can also be inserted or clamped, which is not limited here.

[0048] Further, as shown in Figures 1-4 The support assembly 1 further comprises a plurality of fixing members 13, which are connected to the other side of the support member 12 and are uniformly arranged. This not only ensures that the force borne by the support member 12 is evenly distributed among the fixing members 13 when the chain is disassembled, but also makes the appearance relatively neat. It should be noted that in the present embodiment, the fixing members 13 are connected to the lower side of the support member 12.

[0049] Specifically, as shown in Figures 1-4 In the present embodiment, the support assembly 1 comprises four fixing members 13, which are fixedly connected to the four corners of the support member 12. In other embodiments, the support assembly 1 can also comprise three fixing members 13, which are fixedly connected to the lower side of the support member 12 in a triangular shape.

[0050] Further, the size of the through hole 121 is smaller than the size of the chain link. The above arrangement provides support for the bottom of the chain link when disassembling the chain.

[0051] Further, the through hole 121 is of a rectangular structure. The rectangular structure of the through hole 121 is more matched with the shape of the chain link.

[0052] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. For those skilled in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the scope of the present application. Here, it is not necessary and impossible to exhaust all the embodiments. Any modification, equivalent substitution and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A chain quick release device for disassembling a chain, characterized by, The application relates to a chain link ejection device. The chain link ejection device comprises a support assembly (1) provided with a through hole (121); and an ejection assembly (2) threadedly connected with the support assembly (1), wherein the screwing depth of the ejection assembly (2) in the support assembly (1) is adjustable along the center line direction of the through hole (121), the ejection assembly (2) can extend into the through hole (121), and the ejection assembly (2) comprises a screwing piece (21), one end of the screwing piece (21) is connected with an ejection piece (22), the ejection piece (22) can eject a pin shaft connecting two adjacent chain links in the chain, and the first equal-diameter section (211) can extend into the hinge holes of the two adjacent chain links. The screwing piece (21) further comprises:

2. The chain quick release device of claim 1, wherein a variable-diameter section (212) gradually reducing in diameter along the direction towards the through hole (121), one end of the variable-diameter section (212) with the smallest diameter is connected with the other end of the first equal-diameter section (211); and a second equal-diameter section (213) connected with one end of the variable-diameter section (212) with the largest diameter, the second equal-diameter section (213) is threadedly connected with the support assembly (1). The center of the ejection assembly (2) is concentrically arranged with the center of the through hole (121). The support assembly (1) comprises:

3. The quick release chain device of claim 1, wherein, a support piece (12) provided with the through hole (121); and a mounting piece (11) fixedly connected to one side of the support piece (12), wherein the screwing piece (21) is threadedly connected with the mounting piece (11), and the support piece (12) and the mounting piece (11) form a containing space (14) for placing the chain.

4. The quick release chain device of claim 1, wherein, The ejection piece (22) comprises a polished rod part (222) with a length smaller than the thickness of the support piece (12). The ejection piece (22) comprises the polished rod part (222) and a connecting part (221) connected in sequence, and the connecting part (221) is detachably connected with the first equal-diameter section (211). The support assembly (1) further comprises:

5. The chain quick release device of claim 4, wherein a plurality of fixing pieces (13) connected to the other side of the support piece (12), and the plurality of fixing pieces (13) are uniformly arranged.

6. The quick release chain device of claim 1, wherein, The support assembly (1) is made of a metal material.

7. The quick release chain device of claim 4, wherein, The through hole (121) has a rectangular structure. The screwing piece (21) is an outer hexagonal bolt.

8. The quick release chain device of any one of claims 1-7, wherein, ​ 9. The quick release chain device of any one of claims 1-7, wherein, ​ 10. The quick release chain device of any one of claims 1-7, wherein, ​

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