CN207798355U - Air-tightness detection device - Google Patents

Air-tightness detection device Download PDF

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Publication number
CN207798355U
CN207798355U CN201721852202.4U CN201721852202U CN207798355U CN 207798355 U CN207798355 U CN 207798355U CN 201721852202 U CN201721852202 U CN 201721852202U CN 207798355 U CN207798355 U CN 207798355U
Authority
CN
China
Prior art keywords
hold
down mechanism
gas path
path plate
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721852202.4U
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Chinese (zh)
Inventor
刘李
温厚松
蔡天云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Science And Technology Co Ltd Ying Xi
Original Assignee
Chongqing Science And Technology Co Ltd Ying Xi
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Science And Technology Co Ltd Ying Xi filed Critical Chongqing Science And Technology Co Ltd Ying Xi
Priority to CN201721852202.4U priority Critical patent/CN207798355U/en
Application granted granted Critical
Publication of CN207798355U publication Critical patent/CN207798355U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of air-tightness detection devices, including gas path plate, two the first hold-down mechanisms being oppositely arranged are fixed on front side of the gas path plate, the second hold-down mechanism is fixed on gas path plate between two the first hold-down mechanisms, the direction of second hold-down mechanism and the connecting line of two the first hold-down mechanisms are perpendicular, at least two third hold-down mechanisms are fixed on rear side of the gas path plate, the direction of third hold-down mechanism is opposite with second hold-down mechanism, in each first hold-down mechanism, it is both provided with airtight detection seat immediately below second hold-down mechanism and the pressing plate of third hold-down mechanism, it is provided with gas nozzle on the gas path plate of the airtight detection seat.Its remarkable result is:Detection process cumbersome in traditional handicraft is simplified, the accuracy to airtight detection is also increased, is offered convenience for the quality testing of automobile component;It can be applied to the air tight test of all types of auto parts and components.

Description

Air-tightness detection device
Technical field
The utility model is related to arrive detection device technical field, specifically, being a kind of air-tightness detection device.
Background technology
Auto parts and components quality is most important to vehicle complete vehicle performance and security performance.Currently, thinking cylinder block, gearbox The automobiles important spare part such as body, air inlet-outlet pipe is generally manufactured using Die Casting technique, then carries out drilling and milling, boring to die casting Deng machining.And usually easily there is quality defect after processing in die casting, to cause the serious quality problems such as leakage.Therefore, General die casting after machining, is both needed to carry out air-leakage test to die casting workpiece.
Generally use detection method is ventilation examination water law, i.e., enters in water workpiece, sky is passed through on stomata in connecing for workpiece Gas, sees if there is and emits bubble phenomenon, judges die casting babinet with the presence or absence of leakage phenomenons and defects of die casting such as gas leakage, leaks accordingly. But there are many deficiencies for the method, and by workpiece as being detected in water, complex procedures take more;It is in observation testing result Eye-observation and micro-judgment are only leaned on, subjective factor is big, and inspection result reliability is relatively low, and checkability is low.
Utility model content
In view of the deficiencies of the prior art, the purpose of this utility model is to provide a kind of air-tightness detection device, passes through the dress It sets and carries out airtight detection, easy to operate, testing result reliability is high, and detection efficiency is high.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows:
A kind of air-tightness detection device, key are:Including gas path plate, opposite set is fixed on front side of the gas path plate Two the first hold-down mechanisms set are fixed with the second hold-down mechanism on the gas path plate between two the first hold-down mechanisms, this The direction of two hold-down mechanisms and the connecting line of two the first hold-down mechanisms are perpendicular, are fixed at least on rear side of the gas path plate Two third hold-down mechanisms, the direction of third hold-down mechanism with second hold-down mechanism on the contrary, each first hold-down mechanism, It is both provided with airtight detection seat immediately below second hold-down mechanism and the pressing plate of third hold-down mechanism, close to the airtight detection seat Gas nozzle is provided on gas path plate;
The airtight detection seat includes pedestal, offers gas channel in the pedestal, is also opened up in the pedestal There is the installation through-hole being connected with the gas channel, valve rod is installed in the installation through-hole, between the valve rod and installation through-hole It is provided with sealing ring, the upper end of the valve rod stretches out the installation through-hole and is threaded with branch fastener, the lower end of the valve rod It is abutted with one end of spring, the other end of spring is fixedly connected with the valve seat for being fixed on installation through-hole bottom.
Further, first hold-down mechanism, the second hold-down mechanism are consistent with the structure of third hold-down mechanism.
Further, first hold-down mechanism includes mounting base, and oil cylinder is installed in the mounting base, the oil cylinder One end of telescopic rod and the pressing plate is hinged, and the middle part of the pressing plate is hinged by link block and mounting base, the pressing plate The other end for compressing product to be detected.
Further, at least two pin assemblies are further fixed on the gas path plate, which is set to Between first hold-down mechanism and third hold-down mechanism, the gas nozzle is provided on the gas path plate of the pin assembly.
Further, the pin assembly includes the guide being fixedly arranged on gas path plate, is worn in the guide flexible Pin, screw plug is provided between the resilient key and guide.
Further, multiple limited blocks are further fixed on the gas path plate.
It is matched by above-mentioned pin assembly and limited block, to which effectively product to be detected is positioned and be limited Position so that detection process is more simple and convenient, is effectively improved and detects and efficiency.
Further, it is additionally provided with nameplate on front side of the gas path plate.To facilitate enterprise to be carried to user on product For information such as product parameters.
The remarkable result of the utility model is:By the device, gas can be filled with to the closed work to be detected got well Instrument is examined using gas to examine pressure change subtle in gas piping after stable gas pressure in the inner cavity of part.Not only simplify traditional work Cumbersome detection process in skill, also increases the accuracy to airtight detection, offers convenience for the quality testing of automobile component;It can Air tight test applied to all types of auto parts and components.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the A-A sectional views of Fig. 1;
Fig. 3 is the front view of the utility model;
Fig. 4 is the left view of the utility model;
Fig. 5 is the stereogram of the utility model;
Fig. 6 is the structural schematic diagram of the airtight detection seat.
Specific implementation mode
Specific embodiment of the present utility model and operation principle are described in further detail below in conjunction with the accompanying drawings.
As shown in fig. 1~fig. 5, a kind of air-tightness detection device, including gas path plate 1 are fixed in the front side of the gas path plate 1 Two the first hold-down mechanisms 2 being oppositely arranged are fixed with the second compression on the gas path plate 1 between two the first hold-down mechanisms 2 Mechanism 3, the direction of second hold-down mechanism 3 and the connecting line of two the first hold-down mechanisms 2 are perpendicular, in the gas path plate 1 There are two third hold-down mechanisms 4 for rear side fixation, and the direction of third hold-down mechanism 4 is with second hold-down mechanism 3 on the contrary, each The underface of the pressing plate 5 of first hold-down mechanism 2, the second hold-down mechanism 3 and third hold-down mechanism 4 is both provided with airtight detection seat 6, It is provided with gas nozzle 7 on the gas path plate 1 of the airtight detection seat 6.
In this example, first hold-down mechanism 2, the second hold-down mechanism 3 are consistent with the structure of third hold-down mechanism 4.Wherein, First hold-down mechanism 2 includes mounting base 21, and oil cylinder 22, the telescopic rod of the oil cylinder 22 and institute are installed in the mounting base 21 The one end for stating pressing plate 5 is hinged, and the middle part of the pressing plate 5 is hinged by link block 23 and mounting base 21, the pressing plate 5 it is another One end is for compressing product to be detected.
It is seen also in fig. l that at least two pin assemblies 8 are further fixed on the gas path plate 1, the positioning pin bank Part 8 is set between first hold-down mechanism 2 and third hold-down mechanism 4, is set on the gas path plate 1 of the pin assembly 8 It is equipped with the gas nozzle 7.
Referring to attached drawing 5, the pin assembly 8 includes the guide 81 being fixedly arranged on gas path plate 1, is worn in the guide 81 Flexible pin 82 is provided with screw plug 83 between the resilient key 82 and guide 81.
In this example, multiple limited blocks 9 are further fixed on the gas path plate 1.As shown in Figure 1, one of limited block 9 is set Between the first hold-down mechanism 2 and the second hold-down mechanism 3, two limited blocks 9 are set to pin assembly 8 and the first hold-down mechanism Between 2, a limited block component 9 is set between two third hold-down mechanisms 4.
In this example, nameplate 10 is additionally provided in the front side of the gas path plate 1.
Referring to attached drawing 6, the airtight detection seat 6 includes pedestal 61, and gas channel 62 is offered in the pedestal 61, It is further opened with the installation through-hole being connected with the gas channel 62 in the pedestal 61, valve rod is installed in the installation through-hole 63, sealing ring 64 is provided between the valve rod 63 and installation through-hole, the installation through-hole and spiral shell are stretched out in the upper end of the valve rod 63 Line is connected with branch fastener 65, and the lower end of the valve rod 63 is abutted with one end of spring 66, the other end of spring 66 and is fixed on peace The valve seat 67 of dress via bottoms is fixedly connected.
When detection, when workpiece to be detected is placed in the present apparatus, and positioned by pin assembly 8 and the first hold-down mechanism 2, after the second hold-down mechanism 3 is fixed with third hold-down mechanism 4, valve rod 63 sinks, then the gas channel of 63 both sides of valve rod connects It is logical, you can to carry out air-leakage test;After removing workpiece, valve rod 63 returns back to original position, valve rod 63 by the elastic restoring force of spring 66 Gas channel 62 is blocked.

Claims (7)

1. a kind of air-tightness detection device, it is characterised in that:Including gas path plate (1), phase is fixed on front side of the gas path plate (1) To two the first hold-down mechanisms (2) of setting, second is fixed on the gas path plate (1) between two the first hold-down mechanisms (2) Hold-down mechanism (3), the direction of second hold-down mechanism (3) and the connecting line of two the first hold-down mechanisms (2) are perpendicular, described At least two third hold-down mechanisms (4), the direction of third hold-down mechanism (4) and described second are fixed on rear side of gas path plate (1) Hold-down mechanism (3) is on the contrary, in each first hold-down mechanism (2), the pressing plate of the second hold-down mechanism (3) and third hold-down mechanism (4) (5) it is both provided with airtight detection seat (6) immediately below, gas nozzle is provided on the gas path plate (1) of the airtight detection seat (6) (7);
The airtight detection seat (6) includes pedestal (61), gas channel (62) is offered in the pedestal (61), in the seat It is further opened with the installation through-hole being connected with the gas channel (62) in body (61), valve rod is installed in the installation through-hole (63), which is provided with sealing ring (64) between installation through-hole, and the installation is stretched out in the upper end of the valve rod (63) Through-hole is simultaneously threaded with branch fastener (65), and the lower end of the valve rod (63) is abutted with one end of spring (66), spring (66) The other end is fixedly connected with the valve seat (67) for being fixed on installation through-hole bottom.
2. air-tightness detection device according to claim 1, it is characterised in that:First hold-down mechanism (2), the second pressure Tight mechanism (3) is consistent with the structure of third hold-down mechanism (4).
3. air-tightness detection device according to claim 1 or 2, it is characterised in that:First hold-down mechanism (2) includes Mounting base (21), the mounting base (21) is interior to be installed with oil cylinder (22), the telescopic rod of the oil cylinder (22) and the one of the pressing plate (5) End is hinged, and the middle part of the pressing plate (5) is hinged by link block (23) and mounting base (21), the pressing plate (5) it is another End is for compressing product to be detected.
4. air-tightness detection device according to claim 1, it is characterised in that:It is further fixed on the gas path plate (1) At least two pin assemblies (8), the pin assembly (8) are set to first hold-down mechanism (2) and third hold-down mechanism (4) between, the gas nozzle (7) is provided on the gas path plate (1) of the pin assembly (8).
5. air-tightness detection device according to claim 4, it is characterised in that:The pin assembly (8) includes fixed In being equipped with resilient key (82) in the guide (81) on gas path plate (1), the guide (81), in the resilient key (82) and guide (81) screw plug (83) is provided between.
6. air-tightness detection device according to claim 1, it is characterised in that:It is further fixed on the gas path plate (1) Multiple limited blocks (9).
7. air-tightness detection device according to claim 1, it is characterised in that:It is also set in the front side of the gas path plate (1) It is equipped with nameplate (10).
CN201721852202.4U 2017-12-25 2017-12-25 Air-tightness detection device Expired - Fee Related CN207798355U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721852202.4U CN207798355U (en) 2017-12-25 2017-12-25 Air-tightness detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721852202.4U CN207798355U (en) 2017-12-25 2017-12-25 Air-tightness detection device

Publications (1)

Publication Number Publication Date
CN207798355U true CN207798355U (en) 2018-08-31

Family

ID=63279992

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721852202.4U Expired - Fee Related CN207798355U (en) 2017-12-25 2017-12-25 Air-tightness detection device

Country Status (1)

Country Link
CN (1) CN207798355U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114952654A (en) * 2022-06-02 2022-08-30 重庆电子工程职业学院 Torsion beam airtightness detection and oil gas spraying equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114952654A (en) * 2022-06-02 2022-08-30 重庆电子工程职业学院 Torsion beam airtightness detection and oil gas spraying equipment
CN114952654B (en) * 2022-06-02 2023-06-27 重庆电子工程职业学院 Torsion Liang Qimi detects and oil gas spraying equipment

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180831

Termination date: 20201225