CN220346725U - Sealing overhaul port of purification workshop - Google Patents

Abstract

The utility model discloses a sealing access hole of a purification workshop, which comprises an inlet door and an outlet door, wherein a channel is arranged between the inlet door and the outlet door, the channel consists of an outer pipe sleeve and an inner pipe sleeve, a clamping cavity is formed between the outer pipe sleeve and the inner pipe sleeve, a spiral groove protruding towards the clamping cavity is formed in the inner side of the inner pipe sleeve, ventilation inlets which are arranged in a linear array are formed in the inner pipe sleeve, and each ventilation inlet is communicated with each ring on the spiral groove. The sealing access hole of the purification workshop provided by the utility model ensures the dust removal speed in the channel, and the spiral airflow on the side wall is utilized to accelerate the driving of the internal airflow, so that the internal dust removal efficiency is optimal.

Description

Sealing overhaul port of purification workshop

Technical Field

The utility model relates to the technical field of purification workshops, in particular to a sealing access hole of a purification workshop.

Background

The clean shop is also called a dust-free shop, which performs a process that requires a dust-free environment to be handled by the shop to ensure the quality of the final product. And the sealed access port is responsible for the function of purifying the connection between the workshop and other workshops.

The existing sealed access port adopts a double-side door design, a passage is arranged in the middle of the sealed access port, a worker places an object in the passage, and a single-side sealing door is convenient to use, and then the exhaust fan pumps and discharges the passage, so that after the passage is in a dust-free environment, workers in a purifying workshop are prompted to open the sealing door communicated with the workers to take the object.

The design in the technology is simpler, and dust-free treatment is carried out by simply exhausting the channel by means of the exhaust fan.

Disclosure of Invention

The utility model aims to provide a sealing access hole of a clean workshop, which is used for solving the problems.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a sealed access hole in clean room, includes entry door and exit door, be provided with the passageway between entry door and the exit door, the passageway comprises outer pipe box and interior pipe box, and forms between outer pipe box and the interior pipe box and press from both sides the chamber, interior pipe box inboard is provided with the orientation press from both sides the bellied spiral groove in chamber, set up the entry of ventilating that is linear array and arrange on the interior pipe box, every the entry of ventilating with every ring on the spiral groove is linked together.

Preferably, the clamping cavity is connected with a connecting pipe head arranged on the outer pipe sleeve, and the connecting pipe head is externally connected with an exhaust fan.

Preferably, a protruding part is arranged in the inner pipe sleeve, and the protruding part is positioned between every two rings.

Preferably, the protruding portion is in a circular arc structure, and an arc top faces the inner side of the inner tube sleeve.

Preferably, the outer arc of the convex part is 6 degrees.

Preferably, each of said loops decreases in depth in a helical direction from a first of said vent inlets to an adjacent one of said vent inlet grooves along the helical direction of said helical grooves.

Preferably, the inner side surface of the inner pipe sleeve is provided with an electrostatic plate.

Preferably, symmetrically arranged flank grooves are formed in the spiral groove, and the flank grooves are connected with the side edges of the protruding portions.

Preferably, the side wing groove is specifically a water ladle type structure, and the ladle is connected with the spiral groove.

In the technical scheme, the sealing access port of the purification workshop provided by the utility model has the following beneficial effects: when dust-free execution is carried out, the ventilation inlet pumps and exhausts the interior of the inner pipe sleeve, and the air flow drives and is positioned on the inner wall of the inner pipe sleeve through the spiral groove to form a flow direction, so that dust in the channel is pumped and exhausted to the clamping cavity rapidly.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present utility model;

fig. 3 is an enlarged schematic view of a structure at a provided in an embodiment of the present utility model.

Reference numerals illustrate:

1. an entry door; 2. an outlet door; 3. a channel; 31. an outer tube sleeve; 32. an inner tube sleeve; 321. a boss; 33. clamping a cavity; 34. an electrostatic plate; 4. a spiral groove; 41. a flank groove; 5. a vent inlet.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-3, a sealed access port of a purification workshop comprises an inlet door 1 and an outlet door 2, a channel 3 is arranged between the inlet door 1 and the outlet door 2, the channel 3 is composed of an outer pipe sleeve 31 and an inner pipe sleeve 32, a clamping cavity 33 is formed between the outer pipe sleeve 31 and the inner pipe sleeve 32, a spiral groove 4 protruding towards the clamping cavity 33 is arranged on the inner side of the inner pipe sleeve 32, ventilation inlets 5 which are arranged in a linear array are formed on the inner pipe sleeve 32, and each ventilation inlet 5 is communicated with each ring on the spiral groove 4.

Specifically, in the above embodiment, the clamping cavity 33 is connected to a connection pipe head disposed on the outer pipe sleeve 31, and the connection pipe head is externally connected with an exhaust fan. And a trigger switch is arranged on the entrance door 1. When the entrance door 1 is closed, the trigger switch starts the exhaust fan, and the exhaust fan is automatically disconnected after the duration of 30 s. At this time, the prompter arranged at the exit door 2 sounds beeps or flashes to give an early warning.

In the above embodiment, when dust-free is performed, the ventilation inlet 5 pumps and exhausts the interior of the inner tube sleeve 32, and the air flow drives and forms a flow direction through the spiral groove 4 located on the inner wall of the inner tube sleeve 32, so that the dust in the channel 3 is rapidly pumped and exhausted to the clamping cavity 33.

As a further embodiment of the present utility model, a protruding portion 321 is provided in the inner tube 32, and the protruding portion 321 is located between every two rings.

Further, the protruding portion 321 has a circular arc structure, and the arc top faces the inner side of the inner tube 32.

Further, the outer arc of the boss 321 is 6 °.

Specifically, when the exhaust fan starts to operate, the ventilation inlet 5 sucks the air flow in the spiral groove 4, and the air flow is driven to flow towards the spiral groove 4 through the arc top of the protruding portion 321. Thereby forming an air flow rate and accelerating the dust removal operation time in the channel 3.

As a further embodiment of the present utility model, each loop decreases in the spiral direction from the first vent inlet 5 to an adjacent one of the vent inlets 5 in the spiral direction of the spiral groove 4.

In particular, the entire depth of the spiral groove 4 in the above embodiment is a step, i.e. each ring decreases in the spiral direction from the first ventilation inlet 5 to the adjacent ventilation inlet 5 in the spiral direction of the spiral groove 4. When the exhaust fan starts to operate, the ventilation inlet 5 sucks air flow in the spiral groove 4, and the air flow is driven to flow towards the spiral groove 4 through the arc top of the protruding portion 321. Thereby forming an air flow rate and accelerating the dust removal operation time in the channel 3.

As still another embodiment further provided by the present utility model, the inner side surface of the inner tube cover 32 is provided with an electrostatic plate 34.

Further, symmetrically arranged flank grooves 41 are formed in the spiral groove 4, and the flank grooves 41 are connected with the side edges of the protruding portions 321.

Further, the flank groove 41 is embodied as a water ladle structure, and the ladle is connected with the spiral groove 4.

In the above embodiment, through the designed flank groove 41, the air flow can be accelerated to flow from the arc top of the protruding portion 321 towards the spiral groove 4, so as to form the air flow velocity, and accelerate the dust removal operation time in the channel 3.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (9)

1. The utility model provides a sealed access hole in clean room, includes entry door (1) and exit door (2), be provided with passageway (3) between entry door (1) and exit door (2), its characterized in that, passageway (3) are constituteed by outer jacket (31) and interior jacket (32), and form between outer jacket (31) and interior jacket (32) and press from both sides chamber (33), interior jacket (32) inboard is provided with the orientation press from both sides bellied spiral groove (4) in chamber (33), set up on interior jacket (32) and be vent entry (5) that the linear array was arranged, each vent entry (5) with each ring on spiral groove (4) is linked together.

2. The clean room seal access port of claim 1, wherein the clamping chamber (33) is connected to a connection head provided on the outer jacket (31), the connection head being externally connected with an exhaust fan.

3. The clean room seal access opening of claim 1, wherein a boss (321) is provided in the inner tube housing (32), the boss (321) being located between each two of the rings.

4. A cleaning shop sealing access opening according to claim 3, characterized in that the protruding part (321) is in particular of circular arc-shaped construction and the arc top is directed towards the inside of the inner tube sleeve (32).

5. The clean room seal access opening of claim 4, wherein the outboard arc of the boss (321) is 6 °.

6. A clean room seal access opening according to claim 1, characterized in that each of said loops decreases in the spiral direction from a first of said vent inlets (5) to an adjacent one of said vent inlets (5) in the spiral direction of said spiral groove (4).

7. The clean room seal access port of claim 1, wherein the inner side of the inner tube housing (32) is provided with an electrostatic plate (34).

8. The sealing access port of the purification workshop according to claim 1, wherein symmetrically arranged flank grooves (41) are formed in the spiral groove (4), and the flank grooves (41) are connected with the side edges of the protruding portions (321).

9. The clean room seal access opening of claim 8, wherein the side wing groove (41) is embodied as a water ladle type structure, and a ladle is connected with the spiral groove (4).