CN222913022U

CN222913022U - Air tightness detection tool for parts

Info

Publication number: CN222913022U
Application number: CN202421447406.XU
Authority: CN
Inventors: 孙伟; 李博; 赵磊
Original assignee: Dongming Tianjin Electronic Industry Co ltd
Current assignee: Dongming Tianjin Electronic Industry Co ltd
Priority date: 2024-06-21
Filing date: 2024-06-21
Publication date: 2025-05-27
Anticipated expiration: 2034-06-21

Abstract

The utility model provides an air tightness detection tool for parts, which is characterized in that a mounting groove is formed in a base, the part to be detected is placed in the mounting groove, an upper cover is used for plugging the mounting groove and is connected to a pressing handle through a mounting seat, one end of the pressing handle is mounted on the base, the pressing handle is used for driving the upper cover to move, an air inlet hole is formed in the upper cover and is communicated to external air injection equipment through a pipeline, the external air injection equipment injects air into the mounting groove or the part to be detected through the pipeline and maintains pressure, and an air pressure sensor is arranged on the pipeline and is used for detecting air pressure in the mounting groove or the part to be detected. According to the gas tightness detection tool for the part, gas is injected into the mounting groove or the part to be detected through the external gas injection equipment, then pressure is maintained for a certain time, whether a natural gap exists in the part to be detected or not is judged according to the gas pressure value detected by the observation gas pressure sensor, and the gas tightness of the part to be detected is detected.

Description

Air tightness detection tool for parts

Technical Field

The utility model belongs to the field of air tightness detection of plastic parts, and particularly relates to an air tightness detection tool for parts.

Background

The power switch is characterized in that the power switch is used for controlling a switch tube to conduct high-speed channel connection and disconnection through a circuit, direct current is converted into high-frequency alternating current and is provided for a transformer to perform voltage transformation, so that one or more groups of needed voltages are generated.

Disclosure of utility model

In view of the above, the utility model aims to provide a part air tightness detection tool to solve the problems of complex operation and high equipment cost of the prior art part air tightness detection equipment.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

The utility model provides a gas tightness detects frock of part, including the base, the upper cover, the mount pad and compress tightly the handle, set up the mounting groove on the base, place in the mounting groove and wait to detect the part, the upper cover is used for shutoff mounting groove, and the upper cover is connected to compressing tightly the handle through the mount pad, compress tightly the one end of handle and install to the base on, compressing tightly the handle and being used for driving the upper cover motion, be equipped with the inlet port on the upper cover, the inlet port passes through the pipeline intercommunication to external gas injection equipment, external gas injection equipment passes through the pipeline to the mounting groove or wait to detect the part in gas injection and pressurize, set up air pressure sensor on the pipeline, air pressure sensor is used for detecting the mounting groove or wait to detect the interior atmospheric pressure of part.

Further, a plugging boss is arranged in the mounting groove and used for plugging the open hole of the part to be tested, and the periphery of the plugging boss is connected into the open hole of the part to be tested in a sealing manner.

Further, a clearance hole is formed in the mounting groove and used for avoiding the bulge of the part to be tested, and the periphery of the bulge of the part to be tested is connected into the clearance hole in a sealing mode.

Further, the base is provided with an air leakage hole which is communicated to the part to be detected or the mounting groove.

Further, the mount pad includes the pedestal, and pedestal fixed mounting cup joints the connecting rod to the upper end of upper cover on the pedestal, is equipped with the through-hole on compressing tightly the handle, and the one end of connecting rod passes through back threaded connection nut.

Further, the cross section of the connecting rod is L-shaped or T-shaped.

Compared with the prior art, the air tightness detection tool for the parts has the advantages that the parts are arranged in the mounting groove in a sealing mode, air is injected into the mounting groove or the parts to be detected through external air injection equipment, then pressure is maintained for a certain time, whether natural gaps exist in the parts to be detected or not is judged according to the air pressure value detected by the observation air pressure sensor, the air tightness of the parts to be detected is detected, the tool can be properly prepared according to the outline dimension of the parts, the manufacturing cost is low, the flexibility is high, and the detection quality is reliable;

When external gas injection equipment is to the gas injection in the mounting groove, the pressure release hole communicates to wait to detect inside the part, if wait to detect the part poor seal, then the mounting groove is by waiting to detect inside to the pressure release hole pressure release of part, when external gas injection equipment is to wait to detect the inside gas injection of part, the pressure release hole communicates to the mounting groove, if wait to detect the part poor seal, then wait to detect the part inside and pass through mounting groove and pressure release hole pressure release, satisfies different operating modes in proper order.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a schematic structural diagram of an air tightness detection tool for a part according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a structure of a part to be tested adapted on a base according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a base according to an embodiment of the present utility model;

Fig. 4 is a schematic structural diagram of connection between an upper cover and a mounting seat according to an embodiment of the present utility model.

Reference numerals illustrate:

1-base, 11-mounting groove, 12-avoiding hole, 13-plugging boss, 2-upper cover, 3-mounting seat, 31-seat body, 32-connecting rod, 33-nut, 4-compressing handle and 5-part to be tested.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1-4, the gas tightness detection tool for the part comprises a base 1, an upper cover 2, a mounting seat 3 and a compression handle 4, wherein a mounting groove 11 is formed in the base 1, the part to be detected is placed in the mounting groove 11, the upper cover 2 is used for plugging the mounting groove 11, the upper cover 2 is connected to the compression handle 4 through the mounting seat 3, one end of the compression handle 4 is mounted on the base 1, the compression handle 4 is used for driving the upper cover 2 to move, an air inlet hole is formed in the upper cover 2, the air inlet hole is communicated to an external gas injection device through a pipeline, the external gas injection device injects gas into the mounting groove 11 or the part to be detected through the pipeline and maintains pressure, a gas pressure sensor is arranged on the pipeline and is used for detecting the gas pressure in the mounting groove 11 or the part to be detected, the part to be detected is hermetically mounted in the mounting groove 11, then the pressure is maintained for a certain time, whether a natural gap exists in the part to be detected 5 is judged according to the gas pressure value detected by the external gas injection device, the gas tightness of the part to be detected 5 is detected, the gas tightness detection tool can be prepared according to the appearance size of the part, and the manufacturing cost is low, the detection quality is high, and the detection reliability is achieved.

As shown in fig. 3, a plugging boss 13 is disposed in the mounting groove 11, the plugging boss 13 is used for plugging an opening of the part 5 to be tested, a sealing rubber ring is disposed at the periphery of the plugging boss 13, and the periphery of the plugging boss 13 is connected to the opening of the part 5 to be tested in a sealing manner through the sealing rubber ring, so that pressure relief of the part is prevented.

The setting keeps away the position hole in the mounting groove 11, keeps away the position hole and is used for dodging the arch of part 5 that awaits measuring, and the protruding periphery sealing connection of part 5 that awaits measuring is to keeping away in the position hole, keeps away the downthehole sealing rubber ring that sets up, and the protruding periphery of part 5 that awaits measuring passes through sealing rubber ring sealing connection to keep away in the position hole, prevents that the protruding of part 5 that awaits measuring from causing the installation unstable, and prevents this part pressure release.

Be equipped with the gas vent on the base 1, the gas vent communicates to wait to detect part or mounting groove 11 in, when external gas injection equipment is to the gas injection in the mounting groove 11, the pressure relief hole communicates to wait to detect inside the part, if wait to detect the part poor seal, then mounting groove 11 is by waiting to detect inside the pressure relief hole pressure release of part, when external gas injection equipment is to wait to detect the inside gas injection of part, the pressure relief hole communicates to mounting groove 11, if wait to detect the part poor seal, then wait to detect the part inside and pass through mounting groove 11 and pressure relief hole pressure release, satisfy different operating modes in proper order.

The mount pad 3 includes pedestal 31, and pedestal 31 fixed mounting cup joints connecting rod 32 to upper cover 2 upper end, rotates on the pedestal 31, is equipped with the through-hole on compressing tightly handle 4, and the one end of connecting rod 32 passes through back threaded connection nut 33, and the cross section of connecting rod 32 is L shape or T shape structure, and as shown in fig. 4, the cross section of connecting rod 32 of this embodiment is T shape structure, and upper cover 2 can realize rotating with connecting rod 32, makes things convenient for the relative position of upper cover 2 of staff's adjustment.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The air tightness detection tool for the parts is characterized by comprising a base (1), an upper cover (2), a mounting seat (3) and a compression handle (4), wherein a mounting groove (11) is formed in the base (1), the parts to be detected are placed in the mounting groove (11), the upper cover (2) is used for blocking the mounting groove (11), the upper cover (2) is connected to the compression handle (4) through the mounting seat (3), one end of the compression handle (4) is mounted on the base (1), the compression handle (4) is used for driving the upper cover (2) to move, an air inlet hole is formed in the upper cover (2) and communicated to external air injection equipment through a pipeline, the external air injection equipment injects air into the mounting groove (11) or the parts to be detected and maintains pressure through the pipeline, and an air pressure sensor is arranged on the pipeline and is used for detecting air pressure in the mounting groove (11) or the parts to be detected.

2. The tool for detecting the air tightness of the part according to claim 1, wherein a plugging boss (13) is arranged in the mounting groove (11), the plugging boss (13) is used for plugging an opening of the part (5) to be detected, and the periphery of the plugging boss (13) is connected into the opening of the part (5) to be detected in a sealing manner.

3. The tool for detecting the air tightness of the part according to claim 1, wherein a clearance hole is formed in the mounting groove (11), the clearance hole is used for avoiding the bulge of the part to be detected (5), and the periphery of the bulge of the part to be detected (5) is connected into the clearance hole in a sealing mode.

4. The tool for detecting the air tightness of the part according to claim 1, wherein the base (1) is provided with an air leakage hole which is communicated with the part to be detected or the mounting groove (11).

5. The air tightness detection tool for parts according to claim 1, wherein the mounting seat (3) comprises a seat body (31), the seat body (31) is fixedly mounted at the upper end of the upper cover (2), the seat body (31) is rotatably sleeved with a connecting rod (32), a through hole is formed in the compression handle (4), and one end of the connecting rod (32) penetrates through a rear threaded connecting nut (33).

6. The tool for detecting the air tightness of parts according to claim 5, wherein the cross section of the connecting rod (32) is L-shaped or T-shaped.