Low pressure box threading flange

Abstract

The application discloses a low-pressure box threading flange plate, which comprises a flange plate body, the flange plate body comprises a first sub-plate and a second sub-plate which are detachably connected together, and first wire-through holes are arranged on the mutually contacting sides of the first sub-plate and the second sub-plate; a first sliding plate is slidably connected to one end surface of the first sub-plate, a second sliding plate is slidably connected to the end surface on the same side of the first sliding plate, a first arc-shaped opening is arranged on the side of the first sliding plate close to the second sliding plate, a second arc-shaped opening is arranged on the side of the second sliding plate close to the first sliding plate, the first arc-shaped opening and the second arc-shaped opening are matched into a second wire-through hole, and the second wire-through hole is correspondingly arranged with the first wire-through hole. The low-pressure box threading flange plate is more convenient to thread, has good universality, and is easy to seal.

Description

Technical Field

[0001] This invention relates to the field of low-pressure testing equipment technology, and in particular to a low-pressure test chamber wiring flange. Background Technology

[0002] Low-pressure testing involves placing a test sample in a test chamber or laboratory, then reducing the air pressure inside the chamber or laboratory to the value specified in the relevant standard, and maintaining this pressure for a specified duration. Its primary purpose is to determine the suitability of components, equipment, or other products for low-pressure environments during storage, transportation, and use.

[0003] Typically, a system consists of multiple devices. If a low-pressure test is to be conducted on a specific device or part of the system, and it is required to be in normal working condition, the device under test (02) needs to be placed inside the test chamber (01), while the other devices in the system are placed outside the test chamber (01). These other devices are collectively referred to as auxiliary devices (05). For example... Figure 1 As shown, during low-pressure testing, if the device under test (DUT) 02 in test chamber 01 is required to operate normally under low pressure, DUT 02 needs to be powered on to monitor the impact of pressure changes on its operation in real time. Other auxiliary equipment 05 is placed outside test chamber 01, and DUT 02 and auxiliary equipment 05 are connected by cable 04. In existing technology, cable 04 typically needs to pass through a wire hole 031 on the flange 03 of test chamber 01. After cable 04 passes through, the wire hole 031 is sealed with sealant to prevent air leakage and ensure that the pressure changes within test chamber 01 meet the test requirements.

[0004] Currently, the low-pressure test uses a single-size flange 03, with a fixed size for the wire hole 031. This results in poor versatility, a cumbersome wire threading process, and the inability to pass large cable plugs through the wire hole 031. Furthermore, if the size of the wire hole 031 is too large, it is not easy to seal it. Summary of the Invention

[0005] In view of this, the present invention provides a low-pressure box wiring flange, which makes wiring simpler, has good versatility, and is easy to seal.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A low-pressure box wiring flange includes a flange body, the flange body including a first sub-plate and a second sub-plate that are detachably connected together, and a first wire through hole is provided on the side of the first sub-plate and the second sub-plate that are in contact with each other.

[0008] A first slide plate is slidably connected to one end face of the first partition plate, and a second slide plate is slidably connected to the end face of the second partition plate on the same side as the first slide plate. A first arc-shaped opening is provided on the side of the first slide plate close to the second slide plate, and a second arc-shaped opening is provided on the side of the second slide plate close to the first slide plate. The first arc-shaped opening and the second arc-shaped opening cooperate to form a second wire through hole, and the second wire through hole is correspondingly provided to the first wire through hole.

[0009] Optionally, the first and second sliding plates are arranged along the same diameter of the flange body, and both the first and second sliding plates slide radially along the flange body.

[0010] Optionally, the first slide plate is provided with a first elongated hole, and the second slide plate is provided with a second elongated hole; a first positioning member is inserted into the first elongated hole, and the first positioning member is used to position the first slide plate; a second positioning member is inserted into the second elongated hole, and the second positioning member is used to position the second slide plate.

[0011] The first positioning member cooperates with the first elongated hole to control the first slide plate to slide radially; the second positioning member and the second elongated hole are used to control the second slide plate to slide radially.

[0012] Optionally, the first elongated hole and the second elongated hole are disposed on the same diameter of the flange body.

[0013] Optionally, the first positioning element is threadedly connected to the first sub-disc, and the second positioning element is threadedly connected to the second sub-disc.

[0014] Optionally, the first plate is provided with two parallel L-shaped baffles spaced apart. The length direction of the first L-shaped baffles is set along the sliding direction of the first slide plate, and the spacing between the two first L-shaped baffles corresponds to the width of the first slide plate.

[0015] Optionally, the second plate is provided with two parallel L-shaped baffles spaced apart. The length direction of the second L-shaped baffles is set along the sliding direction of the second slide plate, and the spacing between the two second L-shaped baffles corresponds to the width dimension of the second slide plate.

[0016] Optionally, the first sub-plate is provided with a first slide groove for limiting the first slide plate, and the second sub-plate is provided with a second slide groove for limiting the second slide plate, wherein the first slide groove and the second slide groove are connected and correspondingly provided.

[0017] Optionally, the first and second sub-discs are rotatably connected on one side and detachably connected on the other side via a connector.

[0018] Optionally, a sealing strip or sealing gasket is provided on the side of the first and second sub-discs that come into contact with each other.

[0019] As can be seen from the above technical solution, the low-pressure box cable threading flange provided by the present invention has a flange body configured as a detachable first and second disc, which facilitates opening the flange body and directly placing the cable through the first cable through hole without having to pass the cable plug through the first cable through hole and then drag it. This not only simplifies the cable threading process but also avoids the problem of large cable plugs being unable to pass through. By setting a first sliding plate and a second sliding plate that are slidably connected to the flange body, the diameter of the second cable through hole formed by the first and second sliding plates can be adjusted to accommodate cables of different diameters and specifications. After the cable passes through the second cable through hole, by adjusting the first sliding plate and / or the second sliding plate, the wall of the second cable through hole is made to contact the cable as much as possible, resulting in a smaller gap between the second cable through hole and the cable, making sealing easier and avoiding the sealing difficulties caused by an excessively large cable through hole. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the structure of a low-pressure testing device in the prior art.

[0022] Figure 2 This is a schematic diagram of the structure of a low-pressure box wiring flange provided in an embodiment of the present invention;

[0023] Figure 3 for Figure 2 A partially enlarged structural diagram of part A in the diagram;

[0024] Figure 4 This is a schematic diagram of the structure of a low-pressure box wiring flange provided in another embodiment of the present invention.

[0025] in:

[0026] 01. Test chamber; 02. Test equipment; 03. Flange; 031. Wiring hole; 04. Cable; 05. Auxiliary equipment.

[0027] 1. First dividing plate; 101. First L-shaped baffle; 2. Second dividing plate; 201. Second L-shaped baffle; 3. Rotating shaft; 4. First sliding plate; 401. First elongated hole; 402. First positioning component; 5. Second sliding plate; 501. Second elongated hole; 502. Second positioning component; 6. Connecting component; 7. First wire through hole. Detailed Implementation

[0028] This invention discloses a low-pressure box wiring flange, which makes wiring simpler, has good versatility, and is easy to seal.

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] Please see Figures 2 to 4 The low-pressure box wiring flange of the present invention includes a flange body, wherein the flange body includes a first sub-disc 1 and a second sub-disc 2 that are detachably connected together. A first wire-passing hole 7 is provided on the side of the first sub-disc 1 and the second sub-disc 2 that are in contact with each other, and the first wire-passing hole 7 is used for cables to pass through.

[0031] The first plate 1 is slidably connected to one end face of the first plate 1, and the second plate 2 is slidably connected to the same end face as the first plate 4, with a second plate 5 attached. The first plate 4 has a first arc-shaped opening near the second plate 5, and the second plate 5 has a second arc-shaped opening near the first plate 4. The first and second arc-shaped openings cooperate to form a second through-hole, which corresponds to the first through-hole and is also used for cable passage. The first plate 1 and the second plate 2 are connected by bolts or pins. The first and second arc-shaped openings are connected to each other.

[0032] The low-pressure box cable threading flange of the present invention features a detachable first disc 1 and second disc 2 on the flange body. This facilitates opening the flange body and directly placing the cable through the first cable passage hole 7, eliminating the need to pass the cable plug through the first cable passage hole 7 and then drag it. This simplifies the cable threading process and avoids the problem of large cable plugs being unable to pass through. By providing a first sliding plate 4 and a second sliding plate 5 slidably connected to the flange body, the diameter of the second cable passage hole formed by the first sliding plate 4 and the second sliding plate 5 can be adjusted to accommodate cables of different diameters and specifications. After the cable passes through the second cable passage hole, by adjusting the first sliding plate 4 and / or the second sliding plate 5, the wall of the second cable passage hole is brought into closer contact with the cable, resulting in a smaller gap between the second cable passage hole and the cable, making sealing easier and avoiding the sealing difficulties caused by an excessively large cable passage hole.

[0033] Understandably, to ensure that the second through-hole formed by the first and second arc-shaped openings has a smooth wall, the first sliding plate 4 and the second sliding plate 5 are arranged along the same diameter of the flange body. Both the first sliding plate 4 and the second sliding plate 5 slide radially along the flange body to adjust the spacing between the first and second arc-shaped openings, allowing cables of different diameters to pass through. To improve applicability, the first through-hole 7 is a relatively large through-hole. When the sides of the first and second arc-shaped openings contact each other, such as... Figure 2 As shown, the size of the formed through hole is smaller than the size of the first through hole 7.

[0034] To facilitate the positioning of the sliding first slide plate 4, a first elongated hole 401 is provided on the first slide plate 4, and a first positioning member 402 is inserted into the first elongated hole 401. The first positioning member 402 is used to position the first slide plate 4. It is understood that the head end of the first positioning member 402 is larger than the width of the first elongated hole 401 to facilitate pressing and positioning the first slide plate 4. Similarly, a second elongated hole 501 is provided on the second slide plate 5, and a second positioning member 502 is inserted into the second elongated hole 501. The second positioning member 502 is used to position the second slide plate 5. The first positioning member 402 cooperates with the first elongated hole 401 to control the first slide plate 4 to slide radially, and the second positioning member 502 cooperates with the second elongated hole 501 to control the second slide plate 5 to slide radially. In one embodiment, the first positioning member 402 and the second positioning member 502 are bolts or screws. The bolts or screws are threaded onto the first slide plate 4 or the second slide plate 5.

[0035] Specifically, the first positioning element 402 is threadedly connected to the first sub-disc 1, and the second positioning element 502 is threadedly connected to the second sub-disc 2. When it is necessary to slide the first slide plate 4, the head end of the bolt or screw pressed on the first slide plate 4 is loosened, and the first elongated hole 401 of the first slide plate 4 slides radially along the bolt or screw to adjust the position of the first slide plate 4. After adjustment, the bolt or screw is screwed into the first sub-disc 1, thereby pressing the head end of the bolt or screw onto the first slide plate 4 to achieve positioning of the first slide plate 4. The position adjustment process of the second slide plate 5 is the same as the adjustment process of the first slide plate 4, and will not be described again here.

[0036] Furthermore, such as Figure 2 As shown, the first elongated hole 401 and the second elongated hole 501 are located on the same diameter of the flange body. In other embodiments, the first elongated hole 401 and the second elongated hole 501 can also be staggered, as long as the first elongated hole 401 and the second elongated hole 501 are arranged in parallel.

[0037] To limit the movement of the first slide plate 4, two parallel and spaced-apart first L-shaped baffles 101 are provided on the first disc 1, such as... Figure 2 and Figure 3 As shown, the length direction of the first L-shaped baffle 101 is set along the sliding direction of the first slide plate 4. It can be understood that the spacing between the two first L-shaped baffles 101 corresponds to the width of the first slide plate 4, allowing the first slide plate 4 to slide smoothly within the track formed by the two first L-shaped baffles 101. The first L-shaped baffle 101 includes two side plates vertically connected, with their lengths connected. One side plate is connected to the first dividing plate 1 and simultaneously limits the side of the first slide plate 4, while the other side plate limits the end face of the first slide plate 4. By setting the first L-shaped baffle 101, not only is the stability of the first slide plate 4's position ensured during adjustment, but it also provides auxiliary positioning for the first slide plate 4. The first slide plate 4 can be reliably fixed to the first dividing plate 1 using only a bolt or screw.

[0038] Correspondingly, the second sub-disc 2 is provided with two parallel and spaced second L-shaped baffles 201, such as... Figure 2 As shown, the length direction of the second L-shaped baffle 201 is arranged along the sliding direction of the second slide plate 5, and the spacing between the two second L-shaped baffles 201 corresponds to the width dimension of the second slide plate 5. The second L-shaped baffles 201 are used to limit the second slide plate 5, so that the second slide plate 5 is slidably connected in the track formed by the two second L-shaped baffles 201. The specific structure and advantages of the second L-shaped baffle 201 are the same as those of the first L-shaped baffle 101, and will not be repeated here.

[0039] Understandably, a first L-shaped baffle 101 and a second L-shaped baffle 201 are connected at their ends, and the two are connected to form a retaining edge of the track. The retaining edge formed by the two is parallel to the diameter of the flange body.

[0040] In another embodiment, such as Figure 4 As shown, the first sub-disc 1 is provided with a first sliding groove for limiting the first sliding plate 4, and the side of the first sliding groove is used to limit the side of the first sliding plate 4. The second sub-disc 2 is provided with a second sliding groove for limiting the second sliding plate 5, and the side of the second sliding groove is used to limit the side of the second sliding plate 5. The first sliding groove and the second sliding groove are connected and correspondingly arranged. Other structures are the same as in the above embodiment, and will not be described again here.

[0041] Specifically, one side of the first tray 1 and the second tray 2 are rotatably connected via a pivot 3, while the other side is detachably connected via a connector 6. This way, when a cable passes through the first cable passage hole 7, only the connector 6 needs to be opened to open either the first tray 1 or the second tray 2 around the pivot 3. This opens the first cable passage hole 7, facilitating cable placement without dragging the cable, saving time and effort, and preventing oversized cable plugs from being unable to pass through. After placement, the first tray 1 and the second tray 2 are connected together via the connector 6. The connector 6 can be a screw, bolt, or pin, or other connectors commonly used by those skilled in the art; no limitation is made here.

[0042] In another embodiment, both sides of the first sub-disc 1 and the second sub-disc 2 can be connected by connectors 6 without the pivot 3. This makes disassembly and assembly more complicated than the above embodiment.

[0043] Furthermore, both the first through hole 7 and the second through hole are circular through holes to accommodate the requirement that most cables have circular cross-sections.

[0044] To improve sealing performance, sealing strips or gaskets are provided on the sides of the first disc 1 and the second disc 2 that come into contact with each other.

[0045] In use, the cable can be passed through the inside of the low-pressure box (test chamber 01) first, and then placed into the first through hole 7. The cable passing flange of the low-pressure box of the present invention is fixed at the outlet hole 031. The distance between the first slide plate 4 and the second slide plate 5 is adjusted. Finally, the small gap is sealed with vacuum sealant.

[0046] The low-pressure box cable flange of the present invention is configured as a detachable first plate 1 and a second plate 2, which facilitates the passage of cables and prevents cables from being unable to pass through the cable hole due to excessively large cable plugs. The distance between the first sliding plate 4 and the second sliding plate 5 can be adjusted to accommodate cables of different diameters. At the same time, it can reduce the gap between the second cable passage hole formed by the first sliding plate 4 and the second sliding plate 5 and the cable, saving vacuum sealing mud and sealing time.

[0047] In the description of this solution, it should be understood that the terms "upper", "lower", "vertical", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, 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 solution.

[0048] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this solution, "multiple" means two or more, unless otherwise explicitly specified.

[0049] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0050] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A low-pressure box wiring flange, comprising a flange body, characterized in that, The flange body includes a first sub-plate (1) and a second sub-plate (2) that are detachably connected together. A first through hole (7) is provided on the side of the first sub-plate (1) and the second sub-plate (2) that are in contact with each other. A first slide plate (4) is slidably connected to one end face of the first sub-disc (1), and a second slide plate (5) is slidably connected to the end face of the second sub-disc (2) on the same side as the first slide plate (4). A first arc-shaped opening is provided on the side of the first slide plate (4) close to the second slide plate (5), and a second arc-shaped opening is provided on the side of the second slide plate (5) close to the first slide plate (4). The first arc-shaped opening and the second arc-shaped opening cooperate to form a second wire through hole, and the second wire through hole is correspondingly provided to the first wire through hole (7). The first slide (4) is provided with a first elongated hole (401), and the second slide (5) is provided with a second elongated hole (501); a first positioning member (402) is inserted into the first elongated hole (401) and is used to position the first slide (4); a second positioning member (502) is inserted into the second elongated hole (501) and is used to position the second slide (5); The first positioning member (402) cooperates with the first elongated hole (401) to control the first slide plate (4) to slide radially; the second positioning member (502) and the second elongated hole (501) are used to control the second slide plate (5) to slide radially.

2. The low-pressure box wiring flange according to claim 1, characterized in that, The first sliding plate (4) and the second sliding plate (5) are arranged along the same diameter of the flange body, and both the first sliding plate (4) and the second sliding plate (5) slide radially along the flange body.

3. The low-pressure box wiring flange according to claim 1, characterized in that, The first elongated hole (401) and the second elongated hole (501) are located on the same diameter of the flange body.

4. The low-pressure box wiring flange according to claim 1, characterized in that, The first positioning element (402) is threadedly connected to the first sub-disc (1), and the second positioning element (502) is threadedly connected to the second sub-disc (2).

5. The low-pressure box wiring flange according to claim 1, characterized in that, The first plate (1) is provided with two parallel L-shaped baffles (101) arranged at intervals. The length direction of the first L-shaped baffles (101) is arranged along the sliding direction of the first slide plate (4). The interval between the two first L-shaped baffles (101) corresponds to the width dimension of the first slide plate (4).

6. The low-pressure box wiring flange according to claim 1, characterized in that, The second plate (2) is provided with two parallel L-shaped baffles (201). The length direction of the second L-shaped baffles (201) is set along the sliding direction of the second slide plate (5). The spacing between the two second L-shaped baffles (201) corresponds to the width dimension of the second slide plate (5).

7. The low-pressure box wiring flange according to claim 1, characterized in that, The first sub-plate (1) is provided with a first sliding groove for limiting the first sliding plate (4), and the second sub-plate (2) is provided with a second sliding groove for limiting the second sliding plate (5). The first sliding groove and the second sliding groove are connected and correspondingly provided.

8. The low-pressure box wiring flange according to claim 1, characterized in that, The first sub-disc (1) and the second sub-disc (2) are rotatably connected on one side and detachably connected on the other side via a connector (6).

9. The low-pressure box wiring flange according to claim 1, characterized in that, A sealing strip or sealing gasket is provided on the side of the first sub-disc (1) and the second sub-disc (2) that are in contact with each other.

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