CN209929313U

CN209929313U - KP ordinary thyristor convenient to dismouting

Info

Publication number: CN209929313U
Application number: CN201921115930.6U
Authority: CN
Inventors: 周全
Original assignee: Zhenjiang Quancheng Electric Technology Co Ltd
Current assignee: Zhenjiang Quancheng Electric Technology Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-01-10
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a KP ordinary thyristor convenient to dismouting, including cylindric thyristor housing, the thyristor housing comprises lower casing and upper cover plate, the external table wall of inferior valve is located the top and is equipped with the annular disc. The utility model discloses in, the exterior wall of casing has an annular disc near the top welding down, a counter bore has been seted up on the annular disc, counter bore and lower inner of the casing chamber are the step form, the upper cover plate is arranged in the counter bore, its bottom is equipped with a round platform, round platform exterior wall is equipped with a ring channel one, the ring channel is one set and is equipped with hollow rubber ring, a counter sink that has gluey stifled is seted up at the upper cover plate top, the air passage of the hollow rubber ring of intercommunication has been seted up in the counter sink, the internal table wall of inferior valve has been seted up one and has been used with the cooperation of hollow rubber ring two, use the gas needle to insert and aerify in the rubber plug, hollow rubber ring inflation extrusion annular groove two, accomplish the equipment, when dismantling, insert the gas needle and exhaust.

Description

KP ordinary thyristor convenient to dismouting

Technical Field

The utility model relates to a KP ordinary thyristor technical field especially relates to a KP ordinary thyristor convenient to dismouting.

Background

The KP common thyristor is a common rectifier tube, mainly composed of a positioning shell and a silicon controlled chip arranged in the shell, the positioning shell is composed of a lower shell and an upper cover.

At present, the chip is installed by implanting the chip into a lower shell and then using an upper cover to carry out bonding and plugging, and the bonding mode is difficult to assemble and disassemble and is inconvenient for maintaining the chip; when the glue solution is adopted for bonding, the glue solution flows unevenly, so that the sealing performance is poor and the waterproof effect is poor.

Therefore, the utility model provides a KP ordinary thyristor convenient to dismouting.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the KP common thyristor convenient to disassemble and assemble is provided for solving the problems that the disassembling and assembling are inconvenient due to the fact that a chip positioning shell in the KP common thyristor is connected in a glue solution bonding mode, the sealing performance is poor due to the fact that glue solution is not uniformly coated, and the waterproof effect is poor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a KP common thyristor convenient to disassemble and assemble comprises a cylindrical thyristor shell, wherein the thyristor shell consists of a lower shell and an upper cover plate, an annular disc is arranged at the top of the outer surface wall of the lower shell, a counter bore with a pore diameter larger than that of the inner cavity of the lower shell is arranged at the top of the annular disc, the upper cover plate is accommodated in the counter bore and contacts with the bottom of the counter bore, a round platform which is accommodated in the lower shell and distributed coaxially is fixedly arranged at the bottom of the upper cover plate, a first annular groove is arranged on the outer surface wall of the round platform, a hollow rubber ring is bonded in the first annular groove, a second annular groove matched with the outer surface wall of the hollow rubber ring for use is arranged on the inner surface wall of the lower shell, a cylindrical sinking groove is arranged at the center of the top of the upper cover plate, air ducts communicated with the first annular groove are symmetrically arranged on the inner side wall of, the top of the sinking groove is sleeved with a rubber plug.

As a further description of the above technical solution:

the number of the air passages is four and the air passages are distributed in a cross shape.

As a further description of the above technical solution:

and a rubber pipe which is sleeved at one end of the air duct in an interference fit manner is fixedly arranged on the outer surface wall of the hollow rubber ring.

As a further description of the above technical solution:

an annular groove is formed in the inner surface wall of the sinking groove close to the top, and the rubber plug is in an inverted T shape.

As a further description of the above technical solution:

the second annular groove and the first annular groove are concentric and have the same radius in cross section.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, the exterior wall of casing has an annular disc near the top welding down, a counter bore has been seted up on the annular disc, counter bore and lower inner of the casing chamber are the step form, the upper cover plate is arranged in the counter bore, its bottom is equipped with a round platform, round platform exterior wall is equipped with a ring channel one, the ring channel is one set and is equipped with hollow rubber ring, a counter sink that has gluey stifled is seted up at the upper cover plate top, the air passage of the hollow rubber ring of intercommunication has been seted up in the counter sink, the internal table wall of inferior valve has been seted up one and has been used with the cooperation of hollow rubber ring two, use the gas needle to insert and aerify in the rubber plug, hollow rubber ring inflation extrusion annular groove two, accomplish the equipment, when dismantling, insert the gas needle and exhaust.

2. The utility model discloses in, the cross-section of ring channel two and ring channel one is the same centre of a circle and the same radius form, and the round platform that the casing passes through hollow rubber ring and upper cover plate bottom is sealed comprehensively down from this, and is sealed effectual.

Drawings

Fig. 1 is a schematic structural diagram of a cross-sectional view of a KP general thyristor convenient to disassemble and assemble according to the present invention;

fig. 2 is a schematic structural diagram of a sectional view of a lower casing of a KP general thyristor convenient to disassemble and assemble according to the present invention;

fig. 3 is a schematic structural diagram of a sectional view of an upper cover plate of a KP general thyristor convenient to disassemble and assemble according to the present invention;

fig. 4 is a schematic structural diagram of a top view cross-sectional view of an upper cover plate of a KP general thyristor convenient for disassembly and assembly.

Illustration of the drawings:

1. a lower housing; 11. an annular disc; 12. a second annular groove; 111. a counter bore; 2. an upper cover plate; 21. a circular truncated cone; 211. a first annular groove; 22. sinking a groove; 23. an air duct; 3. a hollow rubber ring; 31. a hose; 4. and (5) glue blocking.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a KP common thyristor convenient for disassembly and assembly comprises a cylindrical thyristor shell, the thyristor shell is composed of a lower shell 1 and an upper cover plate 2, an annular disc 11 is arranged at the top of the outer surface wall of the lower shell 1, a counter bore 111 with a bore diameter larger than the inner cavity of the lower shell 1 is arranged at the top of the annular disc 11, the upper cover plate 2 is accommodated in the counter bore 111 and contacts with the bottom of the counter bore 111, a circular truncated cone 21 which is accommodated in the lower shell 1 in a clearance manner and coaxially distributed is fixedly arranged at the bottom of the upper cover plate 2, an annular groove I211 is arranged on the outer surface wall of the circular truncated cone 21, a hollow rubber ring 3 is bonded in the annular groove I211, an annular groove II 12 which is matched with the outer surface wall of the hollow rubber ring 3 is arranged on the inner surface wall of the lower shell 1, a cylindrical sinking groove 22 is arranged at the center position of the top of the upper cover plate 2, air ducts 23 communicated with the annular, the top of the sinking groove 22 is sleeved with a rubber plug 4, and the upper cover plate 2 is matched with the lower shell 1 through inflation expansion and exhaust compression of the hollow rubber ring 3 in an assembling and disassembling way, so that the assembling and disassembling are convenient.

Specifically, as shown in fig. 4, the number of the air passages 23 is four and is distributed in a cross shape, so that the uniform inflation and deflation of the entire hollow rubber ring 3 can be realized.

Specifically, as shown in fig. 3, the rubber tube 31 that is sleeved at one end of the air duct 23 in an interference fit manner is fixedly arranged on the outer surface wall of the hollow rubber ring 3, so that the connection strength between the hollow rubber ring 3 and the first annular groove 211 can be strengthened, and meanwhile, the air tightness of the communication between the hollow rubber ring 3 and the air duct 23 is improved.

Specifically, as shown in fig. 3, an annular groove is formed in the inner surface wall of the sink groove 22 close to the top, the rubber plug 4 is in an inverted T shape, the T-shaped rubber plug 4 is tightly positioned, and meanwhile, the top of the rubber plug 4 can extend out, so that the hand-held operation is facilitated.

Specifically, as shown in fig. 1-3, the second annular groove 12 and the first annular groove 211 have the same center and the same radius of section, and are tightly sealed and positioned, and the sealing effect is good.

The working principle is as follows: when the air-inflation-free air-exhaust type sealing device is used and assembled, the upper cover plate 2 is buckled on the lower shell 1 by the top of the T-shaped rubber plug 4 in a handheld mode, the periphery of the lower surface wall of the upper cover plate 2 is in lap joint with the bottom of the counter bore 111, the hollow rubber ring 3 on the periphery of the circular truncated cone 21 is extruded into the second annular groove 12 to achieve pre-positioning, then the rubber plug 4 is inserted into the counter bore 22 through the air needle and inflated, air enters the hollow rubber ring 3 through the air channel 23, the hollow rubber ring 3 expands to conduct bidirectional pressurization on the first annular groove 211 and the second annular groove 12, limiting assembly is conducted, meanwhile, sealing performance is improved, and.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A KP common thyristor convenient to disassemble and assemble comprises a cylindrical thyristor shell, wherein the thyristor shell consists of a lower shell (1) and an upper cover plate (2), an annular disc (11) is arranged at the top of the outer surface wall of the lower shell (1), a counter bore (111) with a hole diameter larger than that of the inner cavity of the lower shell (1) is arranged at the top of the annular disc (11), the KP common thyristor is characterized in that the upper cover plate (2) is accommodated in the counter bore (111) and is contacted with the bottom of the counter bore (111), a circular truncated cone (21) which is accommodated in the lower shell (1) with a gap and is coaxially distributed is fixedly arranged at the bottom of the upper cover plate (2), a first annular groove (211) is arranged on the outer surface wall of the circular truncated cone (21), a hollow rubber ring (3) is bonded in the first annular groove (211), a second annular groove (12) matched with the outer surface wall of the hollow rubber ring (3) is arranged on, the top central point of upper cover plate (2) puts and has seted up a cylindric heavy groove (22), the inside wall symmetry of heavy groove (22) is seted up air vent (23) that communicate ring channel one (211), the one end and the hollow rubber ring (3) intercommunication of air vent (23), the top cover of heavy groove (22) is equipped with glues stifled (4).

2. A KP common thyristor according to claim 1, wherein the number of said air channels (23) is four and they are distributed in a cross shape.

3. A KP ordinary thyristor convenient for disassembly and assembly according to claim 1, wherein the rubber tube (31) with interference fit sleeved at one end of the air duct (23) is fixedly arranged on the outer surface wall of the hollow rubber ring (3).

4. A KP normal thyristor convenient for disassembly and assembly as claimed in claim 1, characterized in that the inner surface wall of the sink groove (22) near the top is provided with an annular groove, the rubber plug (4) is in the shape of an inverted T.

5. A KP common thyristor according to claim 1, wherein the cross-sections of the second annular groove (12) and the first annular groove (211) are concentric and of the same radius.