Plate-penetrating sealing structure for extending cable at connecting cylinder of compressor

Abstract

The utility model discloses a compressor connecting cylinder extending cable plate-penetrating sealing structure, which comprises a connecting cylinder, a wire holder is arranged above the connecting cylinder, a sealing gasket is arranged between the wire holder and the upper wall of the connecting cylinder, a slender rod structure is integrally formed at the lower end of the wire holder, an external thread is arranged on the outer wall of the slender rod structure, and a sealing gasket is arranged on the outer wall of the slender rod structure. The utility model relates to the technical field of compressors, a multi-sealing structure formed by the wire holder, the sealing gasket, the anti-explosion sealing joint and the like is adopted, the leakage risk is effectively reduced, and the sealing gasket seals process gas which is leaked from the outside of filler into the connecting cylinder in the connecting cylinder, so that the process gas is prevented from being leaked into the atmosphere; and the explosion-proof sealing joint seals the process gas leaked from the interior of the wire holder, so that the process gas is prevented from being leaked into the explosion-proof flexible pipe, the junction box and the atmosphere, the sealing performance of the whole system is improved, and the operation safety of the compressor is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to technical fields, concretely is compressor connection tube place extension cable wear plate seal structure. BACKGROUND

[0002] In the long-term use of API618 compressor, the functional joint at the top of the connection tube is a key position prone to leakage risk, once the main packing seal of the compressor leaks and there is a leakage point at the functional joint, it will have serious consequences, when the process gas is flammable and explosive gas, the leakage may cause explosion risk of the compressor device, when the process gas contains toxic gas such as hydrogen sulfide, it will cause harm to the health of operation and operation personnel and pollution to the environment.

[0003] For the existing connection tube extension cable seal structure, there are mainly two ways of threaded flange interface and pouring sealant and directly installing explosion-proof seal joint, but there are many problems, for the structure of threaded flange interface pouring sealant, the sealing gasket and sealing sleeve at the bottom of the flange are easy to be damaged and difficult to be observed from the outside, only when the air tightness test is carried out, the problem can be found, which will affect the project progress, and the sealant will increase in hardness, lose elasticity or crack with time, and the structure of directly installing explosion-proof seal joint cannot be normally selected and tightened due to the small spacing and multiple types of interfaces at the top of the connection tube, which affects the installation operation. SUMMARY

[0004] In view of the defects of the prior art, the utility model provides a compressor connection tube place extension cable wear plate seal structure, which solves the problem of instability of the existing seal structure.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a compressor connection tube place extension cable wear plate seal structure, comprising a connection tube, a wiring seat is arranged above the connection tube, a sealing gasket is arranged between the wiring seat and the upper wall of the connection tube, a thin rod structure is integrally formed at the lower end of the wiring seat, an outer thread is arranged on the outer wall of the thin rod structure, a screw hole matched with the outer thread is arranged on the upper wall of the connection tube, an explosion-proof seal joint is threadedly connected to the upper end of the wiring seat, and a locking nut is threadedly connected to the bottom of the thin rod.

[0006] Preferably, the explosion-proof joint is provided with an O-shaped sealing ring at the bottom.

[0007] Preferably, the O-shaped sealing ring is made of neoprene.

[0008] Preferably, the wiring seat is provided with a wire hole for the extension cable to pass through.

[0009] Beneficial effects

[0010] The utility model provides a kind of compressor extension cable through plate sealing structure at bushing, with following

[0011] Beneficial effects:

[0012] Multiple sealing structure formed by terminal block, sealing gasket, explosion-proof sealing joint etc. effectively reduces the risk of leakage, sealing gasket seals the process gas leaked from the outside of packing in the inner bushing, to prevent it from leaking into the atmosphere;Explosion-proof sealing joint seals the process gas inside the terminal block, to avoid leakage into explosion-proof flexible tube, terminal box and atmosphere, improves the sealing performance of the entire system, and ensures the safety of compressor operation;

[0013] O-shaped sealing ring is made of neoprene rubber material, with good sealing performance, further enhances the sealing effect, and can effectively prevent the leakage of process gas;

[0014] Reduce the risk of failure of sealing parts, compared with traditional sealing structure, the sealing structure of the utility model is more reliable, avoids the leakage problem caused by damage of sealing gasket and failure of sealing glue, prolongs the service life of sealing structure;

[0015] Threaded connection is used to fasten the terminal block and the bushing, and the connection mode is better than flange connection structure in terms of shock resistance. In the vibration environment generated by the operation of the compressor, it can better maintain the stability of the sealed connection and reduce the sealing failure caused by vibration;

[0016] The sealing structure is easy to install, disassemble and replace, saving labor cost. The installation operation of each component of the sealing structure is relatively simple, and when maintenance or replacement of components is required, the operation is relatively convenient, and multiple disassembly and reuse can be performed, improving the maintainability and economy of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] In the figure: 1, explosion-proof sealing joint;2, terminal block;3, sealing gasket;4, bushing;5, locking nut. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0020] Please refer to Figure 1The utility model provides a technical scheme: a compressor connects the tube place extension cable wears board seal structure, including the tube 4, the tube 4 top is equipped with the terminal block 2, the terminal block 2 with the tube 4 upper wall between being equipped with the sealing gasket 3, the terminal block 2 lower end integrative formation is equipped with the thin rod structure, the thin rod structure outer wall is equipped with the external thread, the tube 4 upper wall is equipped with the screw hole with the external thread matches, the terminal block 2 upper end is screwed with the explosion -proof seal joint 1 through the thread, the thin rod bottom is screwed with the lock nut 5.

[0021] Through adopting above technical scheme, the tube 4 is as the basic component, the terminal block 2 of top is screwed with the tube 4 upper wall through the external thread of thin rod structure, forms firm connection, and the sealing gasket 3 is placed between the terminal block 2 and the tube 4 upper wall, is pressed when the terminal block 2 is screwed, plays the sealing effect, and the explosion -proof seal joint 1 of terminal block 2 upper end is screwed with the terminal block 2 through the thread connection, and works cooperatively, and realizes sealing function together, realizes multiple sealing through the cooperative matching of each component, solves the leakage problem of traditional sealing structure, improves the security and stability of compressor operation, simultaneously has good connection and sealing effect.

[0022] The embodiment is further provided with O-shaped sealing ring at the bottom of the explosion-proof joint.

[0023] Through adopting above technical scheme, O-shaped sealing ring enhances the sealing performance at the explosion -proof seal joint 1.

[0024] The embodiment is further provided with O-shaped sealing ring made of neoprene material.

[0025] Through adopting above technical scheme, neoprene material has good elasticity and corrosion resistance, guarantees the reliability of sealing, prevents the leakage of process gas at the connecting part.

[0026] The embodiment is further provided with wire hole in the terminal block 2 for the extension cable to pass through.

[0027] Through the technical personnel in the art, the parts in the case are sequentially connected, and the specific connection and operation sequence should refer to the following working principle, and the detailed connection means is the public known technology in the art, and the following mainly introduces the working principle and process.

[0028] The sealing gasket 3 is placed between the terminal block 2 and the upper wall of the bushing 4 during installation, the external thread of the thin rod structure at the lower end of the terminal block 2 is screwed into the threaded hole of the upper wall of the bushing 4 to ensure the connection of the terminal block 2 and the bushing 4, the sealing gasket 3 is compressed by tightening the terminal block 2, and the locking nut 5 is tightened under the bushing 4 when the terminal block 2 compresses the sealing gasket 3 at the top of the bushing 4, forming the first seal, the O-shaped sealing ring is installed at the bottom of the explosion-proof sealing joint 1, and the extension cable is sequentially threaded through the wire hole in the terminal block 2 and the explosion-proof sealing joint 1, and after the extension cable is connected, the terminal block 2, the explosion-proof sealing joint 1 and the locking nut 5 are tightened in sequence using a wrench to tightly fit the parts, and the installation of the entire sealing structure is completed.

[0029] When the compressor is running normally, the sealing gasket 3 prevents the process gas inside the bushing 4 from leaking to the atmosphere, and the explosion-proof sealing joint 1 prevents the process gas inside the terminal block 2 from leaking to the explosion-proof flexible pipe, the terminal box and the atmosphere, ensuring the normal operation of the compressor and preventing various risks caused by process gas leakage.

[0030] It should be noted that the relational terms herein, such as first and second, are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the statement "including a limited element" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A cable-through-plate seal structure extending at a compressor adapter, comprising an adapter (4), characterized in that, The socket (4) is provided with a terminal seat (2), a sealing gasket (3) is arranged between the upper wall of the socket (4) and the terminal seat (2), the lower end of the terminal seat (2) is integrally provided with a thin rod structure, the outer wall of the thin rod structure is provided with external threads, the upper wall of the socket (4) is provided with a screw hole matched with the external threads, the upper end of the terminal seat (2) is threadedly screwed with an explosion-proof sealing joint (1), and the bottom of the thin rod is threadedly screwed with a locking nut (5).

2. A compression coupler extension cable through plate seal structure as described in claim 1, wherein, The bottom of the explosion-proof sealing joint (1) is provided with an O-shaped sealing ring.

3. A compression coupler extension cable through plate seal structure as described in claim 2, wherein, The O-shaped sealing ring is made of neoprene.

4. The extended cable through-board seal structure at the compressor adapter of claim 1, wherein, The terminal seat (2) is internally provided with a wire hole for the extension cable to pass through.

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