CN218725928U

CN218725928U - Pressure test workbench

Info

Publication number: CN218725928U
Application number: CN202222295383.2U
Authority: CN
Inventors: 吴凌祥; 鲁剑锋; 李雨航
Original assignee: Shenzhen Qiyi Engineering Technology Co ltd
Current assignee: Shenzhen Qiyi Engineering Technology Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-03-24
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a pressure testing workstation, include: the pot cover sealing device comprises an operation platform, a plurality of working frames arranged on the operation platform side by side, a gas pipeline and a water injection pipeline arranged on the operation platform, a plurality of connecting rod mechanisms arranged on each working frame, a pot cover placing frame arranged among the connecting rod mechanisms and two pipe orifice sealing pipe seats; the air outlet end of the air pipeline is connected with a pipe orifice sealing pipe seat; the water outlet end of the water injection pipeline is connected with the sealing pipe seat of the other pipe orifice; the end part of the water injection pipeline is also connected with a variable frequency booster pump. Utility model pot cover rack is three groups altogether, along pot cover circumferencial direction evenly distributed, whole steriliser is invertd during the pressure testing, and pot cover and the pot body that supports the steriliser that can be fine.

Description

Pressure test workbench

Technical Field

The utility model relates to a steriliser technical field, in particular to pressure testing workstation.

Background

The steam sterilizer on the pressure test workbench has wide application, is suitable for medical health, scientific research, food, agriculture and other units, and can sterilize medical instruments, dressings, glassware, solution culture medium and the like through high pressure and high temperature. The sterilizer mainly comprises a sterilizing pot body, a pot cover, a control system, an overvoltage protection device, an external shell and the like, wherein the pot body and the pot cover form a quick-acting and quick-opening closed assembly through self structures, and the sterilizer belongs to a special pressure container. According to the relevant standard GB150 pressure vessel safety technology supervision code and ASME volume VIII-1 of the design and manufacture of pressure vessels at home and abroad, pressure resistance and compactness tests must be carried out on each steam sterilizer before the steam sterilizer leaves the factory.

Generally, a pot cover of the steam sterilizer is at least provided with instrument holes such as a safety valve mounting hole, a manual deflation valve mounting hole, an air overflow valve mounting hole, a pressure indicator mounting hole and the like, and the open holes need to be kept in a closed state in the process of a hydrostatic test. For mass production of sterilizers, the processes of sealing, opening, exhausting, water feeding, pressure maintaining, water discharging and the like for each device during each hydrostatic test are very complicated, and a large amount of labor and time are consumed.

SUMMERY OF THE UTILITY MODEL

To the problem that prior art exists, the utility model provides a pressure testing workstation.

In order to achieve the above purpose, the utility model discloses technical scheme as follows:

a pressure testing workstation comprising: the pot cover sealing device comprises an operation platform, a plurality of working frames arranged on the operation platform side by side, a gas pipeline and a water injection pipeline arranged on the operation platform, a plurality of connecting rod mechanisms arranged on each working frame, a pot cover placing frame arranged among the connecting rod mechanisms and two pipe orifice sealing pipe seats;

the air outlet end of the air pipeline is connected with a pipe orifice sealing pipe seat; the water outlet end of the water injection pipeline is connected with the sealing pipe seat of the other pipe orifice; the end part of the water injection pipeline is also connected with a variable frequency booster pump.

Preferably, the link mechanism comprises a fixed frame arranged on the working frame, a vertical plate arranged on the fixed frame, two baffles with one end hinged with one end of the vertical plate, two connecting rods with the lower ends of the tail parts hinged with the other end of the vertical plate, a handle and a positioning rod; the head of the handle is respectively hinged with the other ends of the two baffles and the upper ends of the tails of the two connecting rods; the positioning rod is arranged at the head parts of the two connecting rods.

Preferably, the gas circuit pipeline comprises a main gas pipe and a plurality of branch gas pipes which are connected with the main gas pipe and are distributed at intervals; the bronchus is provided with a first external thread pipe; the first external thread pipe is also provided with an air overflow rod which correspondingly penetrates through a pipe orifice sealing pipe seat.

Preferably, the water injection pipeline comprises a main water injection pipe and a plurality of branch water injection pipes which are connected with the main water injection pipe and are distributed at intervals; and the water outlet end of the branch water injection pipe is provided with a tee joint, one end of the tee joint is connected with a pressure gauge, and the other end of the tee joint is correspondingly connected with the other pipe orifice sealing pipe seat.

Preferably, the variable-frequency booster pump is arranged in the operating platform and is connected with the main water injection pipe.

Preferably, the number of the pot cover placing frames is 3, the pot cover placing frames are arranged in a triangular mode and are uniformly distributed in the circumferential direction of the pot cover; a plurality of link mechanism's quantity is 3, and each pot cover rack all corresponds and arranges in by link mechanism.

Preferably, a second valve is arranged on each of the main water injection pipe and the branch water injection pipes; and the main air pipe and the branch air pipes are respectively provided with a first valve.

Preferably, the main air pipe is connected with the branch air pipe through threads; the main water injection pipe is connected with the branch water injection pipes through threads.

Adopt the technical scheme of the utility model, following beneficial effect has:

1. three groups of pot cover placing frames are arranged in total, the pot cover placing frames are evenly distributed along the circumferential direction of the pot cover, the whole sterilizer is inverted during pressure test, and the pot cover and the pot body of the sterilizer can be well supported.

2. Three sets of connecting rod positioning mechanisms are arranged corresponding to the cooker cover placing frame, the handle is firstly pressed down to lift the cooker body and the cooker cover, after the cooker body and the cooker cover are assembled, the handle is operated to put down the positioning rod to be arranged at the flange of the cooker cover, and the sterilizer is fixed on the workbench, so that the container cannot move in the pressure test process.

3. The safety valve and the pressure gauge are installed inconveniently in the pressure testing process, the two pipe orifice sealing pipe seats are arranged on the workbench, the size of the pipe orifice sealing pipe seats is just consistent with the safety valve hole of the pot cover and the pressure gauge hole, a good sealing effect is achieved for the whole sterilizer, water injection and gas circuit pipelines are connected below the two pipe orifice sealing pipe seats respectively, and the water and gas circulation process in the pressure testing process is achieved well.

4. During pressure test, the pot cover is first set, and the manual air releasing valve and the air overflow valve hole in the pot cover may be sealed with screwed pipe cap. After the pot body and the pot cover are sealed, simultaneously opening valves of a water injection pipeline and a gas circuit pipeline, pumping water into a sterilizer by using a variable frequency booster pump, simultaneously discharging gas in the pot through the gas circuit pipeline until the pressure reaches a test value, then simultaneously closing the valves on the water injection pipeline and the gas circuit pipeline, and maintaining the pressure for a period of time; after the pressure test is finished, the valve is opened, compressed air is pumped into the water injection pipeline from the air pipeline through the air pump, and meanwhile, water is discharged from the water injection pipeline.

5. The water injection pipeline and the gas circuit pipeline of the pipe orifice sealing pipe seat are opened and closed simultaneously according to the lifting and forward arrangement of the working frame, so that the circulating operation of water injection, exhaust, air intake and water discharge is realized. According to the quantity of steriliser, the workstation can extend, holds more containers simultaneously and carries out the pressure testing, because whole pipeline system all adopts threaded connection, very convenient dismantlement and extend to new pipeline to improve work efficiency greatly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a single working frame of the present invention;

FIG. 3 is a schematic structural view of a single work frame of the present invention for mounting a pot cover thereon;

fig. 4 is a schematic view of the fixing of the link mechanism and the pot cover of the present invention;

fig. 5 is a schematic structural view of the gas pipeline and the water injection pipeline of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "is connected to" the second feature

"under" may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact, but being in contact with each other through additional features between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 5, the utility model provides a pressure test workbench, include: the pot cover sealing device comprises an operating platform 1, a plurality of working frames 2 arranged on the operating platform 1 side by side, a gas pipeline 8 and a water injection pipeline 7 arranged on the operating platform 1, a plurality of link mechanisms 3 arranged on each working frame 1, a pot cover placing frame 5 arranged between the plurality of link mechanisms 3 and two pipe orifice sealing pipe seats 10;

the air outlet end of the air pipeline 8 is connected with a pipe orifice sealing pipe seat 10; the water outlet end of the water injection pipeline 7 is connected with the other pipe orifice sealing pipe seat 10; the end part of the water injection pipeline 7 is also connected with a variable frequency booster pump 9.

In the embodiment, the number of the plurality of link mechanisms 3 is 3, when the pot cover is pressed, the handle 304 can be pushed to press the positioning rods on the handle on the pot cover 100 on the edge of the pot cover to fix the pot cover, and when the pot cover is loosened, the handle is pushed to realize convenience and practicability; the link mechanism 3 comprises a fixed frame 301 arranged on the working frame, a vertical plate 302 arranged on the fixed frame 301, two baffles 303 with one end hinged with one end of the vertical plate 302, two connecting rods 305 with the lower ends of the tail parts hinged with the other end of the vertical plate 302, a handle 304 and a positioning rod 306; the head of the handle 304 is hinged with the other ends of the two baffles 303 and the upper ends of the tails of the two connecting rods 305; the positioning rod 306 is mounted at the head of the two connecting rods 305. The number of the pot cover placing frames 5 is 3, the pot cover placing frames are arranged in a triangular shape and are uniformly distributed along the circumferential direction of the pot cover; the pot cover (or the sterilizer) 100 can be stably placed, the number of the link mechanisms 3 is 3, and each pot cover placing frame 5 is correspondingly placed beside the link mechanism 3.

In this embodiment, the main gas pipe 801 is further provided with a main valve which is a gas switch of the main gas pipe 801, and the branch gas pipe 802 is further provided with a secondary valve which is a gas switch in the branch gas pipe 802; the gas pipeline 8 comprises a main gas pipe 801 and a plurality of branch gas pipes 802 which are connected with the main gas pipe 801 and are distributed at intervals, and the main gas pipe 801 is connected with the branch gas pipes 802 through threads, so that the gas pipeline is convenient to assemble and disassemble; the branch air pipe 802 is provided with an external thread pipe I803, and the external thread pipe I803 is vertical to the main air pipe 802 and is connected through threads, and the threaded connection is convenient for disassembly and assembly; the external thread pipe one 803 is also provided with an air overflow rod 6.

In this embodiment, the main water injection pipe 701 is provided with a main valve II which is a water switch of the main water injection pipe 701, and the branch water injection pipe 702 is provided with a secondary valve II which is a water switch of the branch water injection pipe 702; the water injection pipeline 7 comprises a main water injection pipe 701 and a plurality of branch water injection pipes 702 which are connected with the main water injection pipe 701 and are distributed at intervals; the water outlet end of the branch water injection pipe 702 is provided with a tee 703, one end of the water outlet pipe 703 is connected with the voltmeter, and the other end is correspondingly connected with the other pipe orifice sealing pipe seat 10. The variable-frequency booster pump 9 is arranged in the operating platform 1 and is connected with the main water injection pipe 701. The main water injection pipe 701 is connected with the branch water injection pipe 702 through threads, and the disassembly and the assembly are convenient.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all be in the utility model discloses a under the design, utilize the equivalent structure transform of what the content of the description and the attached drawing was done, or direct/indirect application all includes in other relevant technical field the utility model discloses a patent protection is within range.

Claims

1. A pressure testing workstation characterized by comprising: the pot cover sealing device comprises an operation platform, a plurality of working frames arranged on the operation platform side by side, a gas pipeline and a water injection pipeline arranged on the operation platform, a plurality of connecting rod mechanisms arranged on each working frame, a pot cover placing frame arranged among the connecting rod mechanisms and two pipe orifice sealing pipe seats;

2. The pressure test workbench according to claim 1, wherein the link mechanism comprises a fixed frame arranged on the workbench, a vertical plate arranged on the fixed frame, two baffles with one end hinged with one end of the vertical plate, two connecting rods with the lower end of the tail part hinged with the other end of the vertical plate, a handle and a positioning rod; the head of the handle is hinged with the other ends of the two baffles and the upper ends of the tails of the two connecting rods respectively; the positioning rod is arranged at the head parts of the two connecting rods.

3. The pressure test workbench according to claim 1, wherein the gas pipeline comprises a main gas pipe, and a plurality of branch gas pipes which are connected with the main gas pipe and are distributed at intervals; the bronchus is provided with a first external thread pipe; the first external thread pipe is also provided with an air overflow rod which correspondingly penetrates through a pipe orifice sealing pipe seat.

4. The pressure test workbench according to claim 3, wherein the water injection pipeline comprises a main water injection pipe and a plurality of branch water injection pipes which are connected with the main water injection pipe and are distributed at intervals; and a tee joint is arranged at the water outlet end of the branch water injection pipe, one end of the tee joint is connected with a pressure gauge, and the other end of the tee joint is correspondingly connected with the other pipe orifice sealing pipe seat.

5. The pressure test workbench according to claim 4, wherein the variable frequency booster pump is arranged in the operation platform and connected with the main water injection pipe.

6. The pressure test workbench according to claim 2, wherein the number of the pot cover placing frames is 3, the pot cover placing frames are arranged in a triangular shape and are uniformly distributed along the circumferential direction of the pot cover; a plurality of link mechanism's quantity is 3, and each pot cover rack all corresponds and arranges in by link mechanism.

7. The pressure test workbench according to claim 5, wherein a second valve is arranged on each of the main water injection pipe and the branch water injection pipe; and the main air pipe and the branch air pipe are respectively provided with a first valve.

8. The pressure test workbench according to claim 7, wherein the main air pipe is connected with the branch air pipe by screw thread; the main water injection pipe is connected with the branch water injection pipe through threads.