CN209043536U - Rubber detects jig and detection device - Google Patents

Abstract

The utility model discloses a kind of rubber detection jig and detection device, and the rubber detection jig is used for the air-leakage test of rubber ring comprising: detection lid is convexly equipped with boss, rubber ring sleeve is connected to the boss；Detect seat, equipped with test chamber and the airflow channel for being connected to the test chamber, the side wall of the test chamber is formed with limited step, and the test chamber is divided into the limit chamber and accommodating cavity being connected by the limited step, and the accommodating cavity is in communication with the outside by the airflow channel；When detection lid is connected to the detection seat, the detection lid is limited in the limit chamber, and is abutted with the limited step, and the boss is located in the accommodating cavity, and the outer peripheral surface of the rubber ring and the side wall of the accommodating cavity abut against.The utility model proposes rubber detection jig air-tightness of simple structure and low cost and that sealing ring can be effectively detected.

Description

Rubber detects jig and detection device

Technical field

The utility model relates to rubber ring air-leakage test technical field, in particular to a kind of rubber detection jig and detection Device.

Background technique

Sealing ring is widely used in many fields, sealing ring it is many kinds of, the main material of common sealing ring is Silica gel or rubber.

By taking the production of rubber ring as an example, in the production process of rubber ring, still lack the good rubber of at low cost and detection effect Cushion rubber air-leakage test means.In order to save testing cost, factory judges rubber frequently with the shape of eye-observation rubber ring Whether circle is qualified, and this means are obviously less reliable.And have higher requirements for the leakproofness of rubber ring, generally require introduction More complicated air tightness detection equipment detects the air-tightness of rubber ring, the purchase cost of these air tightness detection equipments is high, It is difficult in maintenance, it is not universally accepted.

Utility model content

It is of simple structure and low cost that the main purpose of the utility model is to provide one kind, and can detect the gas of rubber ring The rubber of close property detects jig, it is desirable to provide effective rubber ring air-leakage test means, and reduce testing cost.

To achieve the above object, the utility model provides a kind of rubber detection jig, and the air-tightness for rubber ring is examined It surveys, rubber detection jig includes:

Detection lid, is convexly equipped with boss, rubber ring sleeve is connected to the boss；

Seat is detected, equipped with test chamber and the airflow channel for being connected to the test chamber, the side wall of the test chamber forms limited The test chamber is divided into the limit chamber and accommodating cavity being connected by position step, the limited step, and the accommodating cavity passes through institute Airflow channel is stated to be in communication with the outside；

When detection lid is connected to the detection seat, the detection is covered and is limited in the limit chamber, and with it is described Limited step abuts, and the boss is located in the accommodating cavity, the side wall phase of the outer peripheral surface of the rubber ring and the accommodating cavity It abuts.

Optionally, the peripheral wall of the boss is equipped with annular groove, and the depth capacity of the annular groove is less than the thickness of the rubber ring, When the rubber ring sleeve is connected to the boss, the rubber ring is partially accommodated in the annular groove.

Optionally, the side wall of the accommodating cavity is equipped with limiting section, when the boss is contained in the accommodating cavity, the limit Position portion is for limiting the rubber ring.

Optionally, the accommodating cavity is convexly equipped with tripping block adjacent to the side wall of the limiting section, and the boss is backwards to the inspection The side for surveying lid is equipped with tripping elastic slice；

The detection lid is fixed on the detection by the cooperation of threaded off elastic slice, tripping block and the limited step Seat.

Optionally, the airflow channel is connected to the accommodating cavity, and the neighbouring limiting section is arranged.

Optionally, the detection lid is additionally provided with handle backwards to the side of the boss.

Optionally, the detection seat is equipped with fixing piece adjacent to the test chamber, and the fixing piece is far from the detection seat One end is equipped with valve block, and one end of the valve block and the fixing piece are rotatablely connected；

When detection lid is limited in the limit chamber, the other end of the valve block is rotated around the fixing piece, and is supported The detection lid is connected to backwards to the side of the boss, with the fixation detection lid.

Optionally, the valve block is convexly equipped with positioning region far from one end of the fixing piece；

The positioning region is located at side of the valve block towards the detection seat.

Optionally, the airflow channel is connected with air-flow interface far from one end of the test chamber.

In addition, the utility model also proposes a kind of detection device, comprising:

Above-mentioned rubber detects jig；

Tracheae is connected to the one end of the airflow channel far from the test chamber；

Air pressure valve is set to the tracheae, for detecting the size of the endotracheal stream pressure；

Air-blowing device is used for the intratracheal air-blowing.

The rubber of the utility model detects jig, covers setting boss by using in detection, and inspection is arranged on detection seat Chamber is surveyed, which includes limit chamber and accommodating cavity, and when detection lid is connected on detection seat, detection lid is limited in limit chamber, Boss is located in accommodating cavity, and the outer peripheral surface for being socketed on the rubber ring of boss is connected to the side wall of accommodating cavity.By will entirely examine Measurement fixture is placed in water, and by airflow line air-blowing into accommodating cavity, whether has bubble between observation detection lid and detection seat It emerges upwards, the air-tightness that judgement is socketed on the rubber ring of boss can be corresponded to.The knot of the rubber detection jig of the utility model Structure is simple, air-tightness at low cost and that rubber ring can be effectively detected.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the structural schematic diagram under the utility model rubber detection one state of jig；

Fig. 2 is the structural schematic diagram under the utility model rubber detection another state of jig；

Fig. 3 is that the utility model rubber detects the structural schematic diagram that lid is detected in some embodiments of jig；

Fig. 4 is that the utility model rubber detects the structural schematic diagram of jig in some embodiments；

Fig. 5 is the usage state diagram that the utility model rubber detects jig；

Fig. 6 is status diagram when the utility model rubber detects jig detection rubber ring.

Drawing reference numeral explanation:

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with The concrete meaning of above-mentioned term in the present invention is understood as the case may be.

In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the One ", the feature of " second " can explicitly or implicitly include at least one of the features.In addition, the skill between each embodiment Art scheme can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when technical solution It will be understood that the combination of this technical solution is not present in conjunction with there is conflicting or cannot achieve when, also not in the utility model It is required that protection scope within.

The utility model proposes a kind of rubber to detect jig, the air tightness detection equipment applied to sealing ring.

In the utility model embodiment, refering to fig. 1, and as shown in connection with fig. 2, which detects jig 1 and is used for rubber ring 2 Air-leakage test, the rubber detection jig 1 include: detection lid 11, be convexly equipped with boss 111, rubber ring 2 is socketed on boss 111； Seat 12, the airflow channel 122 equipped with test chamber 121 and communication with detection chamber 121 are detected, the side wall of test chamber 121 is formed with limit Step 1213, limited step 1213 will test chamber 121 and be divided into the limit chamber 1211 and accommodating cavity 1212 being connected, accommodating cavity 1212 are in communication with the outside by airflow channel 122；When detection lid 11 is connected to detection seat 12, detection lid 11 is limited in limit chamber It in 1211, and is abutted with limited step 1213, boss 111 is located in accommodating cavity 1212, the outer peripheral surface and accommodating cavity of rubber ring 2 1212 side wall abuts against.

Wherein, rubber ring 2 is sealing ring, for the sealed connection between two parts.Certainly, the rubber of the utility model Detection device is equally applicable to the air-leakage test of silica gel material or the sealing ring of other elastic materials.Limited step 1213 with Limit chamber 1211, which cooperatively forms, can accommodate the detection area Gai11Cao, and detection lid 11 can be accommodated completely and is limited in the slot area, and Boss 111 and the rubber ring 2 being socketed on boss 111 are contained in accommodating cavity 1212, the side of boss 111 and accommodating cavity 1212 The accommodation space that can accommodate rubber ring 2 is formed between wall, the outer peripheral surface of rubber ring 2 is connected to the side wall of accommodating cavity 1212.Detection When the air-tightness of rubber ring 2, rubber ring 2 is socketed on boss 111, and detection lid 11 is covered on detection seat 12, and it is complete to will test seat 12 Be immersed in the water entirely, by the air-blowing in test chamber 121 of airflow channel 122, if having between detection lid 11 and detection seat 12 bubble to On emerge, then determine that the air-tightness of the rubber ring 2 is bad；If bubble-free is emerged upwards between detection lid 11 and detection seat 12, Determine that the air-tightness of the rubber ring 2 is good.

Optionally, boss 111 is cylindrical, when in order to which rubber ring 2 being socketed on boss 111, can preferably keep The annular shape of 2 script of rubber ring is conducive to the air-tightness for accurately detecting rubber ring 2 without biggish elastic deformation occurs.

Optionally, it detects lid 11, detection seat 12 and boss 111 to be all made of stainless steel material and be made, so that detection is covered 11, the intensity and hardness with higher of seat 12 and boss 111 are detected, is not easy to deform or damage, and is easily processed into Type is conducive to be promoted accuracy when 2 air-leakage test of service life and rubber ring of entire rubber detection jig 1.

The rubber detection jig 1 of the utility model mainly includes detection lid 11, detection seat 12, and is set to detection lid 11 On boss 111, the structure of entire rubber detection jig 1 is simple, manufacturing cost is low.Simultaneously, it is only necessary to detect entire rubber Device is immersed in the water, by the air-blowing in test chamber 121 of airflow channel 122, then by observation detection lid 11 and detection seat 12 it Between whether there is bubble to emerge upwards, the leakproofness for judging rubber ring 2 can be corresponded to, can conveniently and effectively detect rubber ring 2 Air-tightness, moreover it is possible to the detection of the sealing ring suitable for elastic materials such as silica gel rings, applicability are wide.

Further, refering to Fig. 3, and referring to figs. 1 and 2, the peripheral wall of boss 111 is equipped with annular groove 1111, annular groove 1111 depth capacity is less than the thickness of rubber ring 2, and when rubber ring 2 is socketed on boss 111, rubber ring 2 is partially accommodated in annular groove In 1111.

It should be understood that rubber ring 2 is socketed on boss 111 in order to achieve the purpose that carry out air tightness test to rubber ring 2 When, rubber ring 2 must partly or completely protrude from the outer peripheral surface of boss 111, and rubber ring 2 can be with the side wall of accommodating cavity 1212 It abuts against, so as to be immersed in the water by the way that entire rubber is detected jig 1, then through airflow channel 122 into test chamber 121 The mode of air-blowing detects the air-tightness of rubber ring 2.

Further, referring to Fig.2, and combine shown in Fig. 1 and Fig. 4, the side wall of accommodating cavity 1212 is equipped with limiting section 1214, convex When platform 111 is contained in accommodating cavity 1212, limiting section 1214 is for limiting rubber ring 2.

It should be understood that the height of boss 111 is greater than the width of rubber ring 2, in order to which rubber ring 2 is socketed on boss 111, and can make boss 111 as much as possible suitable for the rubber ring 2 of different in width.In order to make to be socketed on the rubber of boss 111 Circle 2 will not be mobile relative to boss 111, to improve accuracy when rubber ring 2 is tested, in the neighbouring limiting stand of accommodating cavity 1212 Limiting section 1214 is set on the side wall of rank 1213.When detecting lid 11 and being covered on detection seat 12, boss 111 and it is socketed on boss 111 rubber ring 2 is respectively positioned in accommodating cavity 1212, and the two sides of 2 bottom end of rubber ring and limiting section 1214 make rubber to abutting Circle 2 is limited between detection lid 11 and limiting section 1214.

Further, convex as shown in figure 4, accommodating cavity 1212 is convexly equipped with tripping block 1215 adjacent to the side wall of limiting section 1214 Platform 111 is equipped with tripping elastic slice 1112 backwards to the side of detection lid 11；It detects lid 11 and passes through threaded off elastic slice 1112, tripping block 1215 And detection seat 12 is fixed in the cooperation of limited step 1213.

It should be understood that tripping block 1215 has an arc-shaped surface, tripping elastic slice 1112 is including elastic slice and is set to elastic slice bottom The tripping at end, the tripping have arc-shaped surface corresponding with de- buccal mass, when detection lid 11 is covered on detection seat 12, elastic slice of threading off Tripping on 1112 can be interlocked with tripping block 1215；When taking out detection lid 11 from detection seat 12, elastic slice 1112 of threading off On tripping again can with tripping block 1215 be separated；To realize tripping and detect being detachably connected between seat 12, just In positioning of the detection lid 11 on detection seat 12, improves detection lid 11 and detect the tightness cooperated between seat 12；Meanwhile Be conducive to position rubber ring 2 in accommodating cavity 1212, improve accuracy when 2 air-leakage test of rubber ring.

Further, refering to Fig. 4, and referring to figs. 1 and 2, airflow channel 122 is connected to accommodating cavity 1212, and adjacent Nearly limiting section 1214 is arranged.It should be understood that accommodating cavity 1212 is in communication with the outside by airflow channel 122, airflow channel 122 In the lower section of tripping block 1215, in order to by airflow channel 122 into accommodating cavity 1212 when air-blowing, air-flow can on alter to position At position between boss 111 and accommodating cavity 1212, detected so as to the air-tightness to rubber ring 2.

Further, refering to Fig. 4, and referring to figs. 1 and 2, detection lid 11 is additionally provided with handle backwards to the side of boss 111 Hand 112.It should be understood that when handle 112 is covered on detection seat 12 convenient for will test lid 11, or will test lid 11 from detection seat Power is given a hand and borrowed when removing on 12.

Further, as depicted in figs. 1 and 2, detection 12 proximity detection chamber 121 of seat is equipped with fixing piece 123, fixing piece 123 One end far from detection seat 12 is equipped with valve block 124, and one end of valve block 124 and fixing piece 123 are rotatablely connected；When detection lid 11 limits When limit chamber 1211, the other end of valve block 124 is rotated around fixing piece 123, and is connected to detection lid 11 backwards to the one of boss 111 Side, with fixed test lid 11.

It should be understood that entire rubber detection jig 1 is immersed in the water, and pass through airflow channel 122 to accommodating cavity 1212 When interior air-blowing, if the gas pressure intensity blasted is sufficiently large, being likely to makes to detect lid 11 is subjected to displacement relative to detection seat 12, thus The air-leakage test of rubber ring 2 is influenced, so, it can be covered in detection lid 11 by fixing piece 123 and the setting of valve block 124 When detecting seat 12, it further will test lid 11 and be fixed on detection seat 12, make to detect lid 11 and detect seat 12 to be fitted close, be conducive to Guarantee accuracy when 2 air-leakage test of rubber ring.

Optionally, valve block 124 is convexly equipped with positioning region 1241 far from one end of fixing piece 123；Positioning region 1241 is located at valve block 124 sides towards detection seat 12.It should be understood that positioning region 1241 is that valve block 124 is bent to form far from 123 one end of fixing piece , or valve block 124 is provided separately within far from 123 one end of fixing piece.When detection lid 11 is limited in limit chamber 1211, limit Position portion 1214 is connected to detection lid 11 backwards to the side of boss 111, is fixed on detection seat 12 will test lid 11.In addition to this, Positioning region 1241 can not also be separately provided in valve block 124, the lower surface of valve block 124 is also possible to can be with table on detection lid 11 The parallel plane in face equally may be implemented to will test lid 11 and be fixed on detection seat 12, herein not to the shape of valve block 124 do into One step limits.

Further, it refering to Fig. 4, and combines shown in Fig. 1, Fig. 2 and Fig. 5, airflow channel 122 is far from test chamber 121 One end is connected with air-flow interface 125.The setting of air-flow interface 125 facilitates the connection of air-blowing device Yu airflow channel 122, makes Air-blowing device can pass through the air-blowing into airflow channel 122 of air-flow interface 125.

The utility model also proposes a kind of detection device, and as shown in Figure 5 and Figure 6, which includes that rubber detection is controlled Tool 1；Tracheae 3 is connected to the one end of airflow channel 122 far from test chamber 121；Air pressure valve 4 is set to tracheae 3, for detecting tracheae The size of stream pressure in 3；Air-blowing device (not shown) is used for the air-blowing into tracheae 3.The rubber detects the specific of jig 1 Structure is referring to above-described embodiment, since this detection device uses whole technical solutions of above-mentioned all embodiments, at least All beneficial effects brought by technical solution with above-described embodiment, this is no longer going to repeat them.

Wherein, air-blowing device, which can be pulsometer, air accumulator etc., can export the device of the gas with certain pressure intensity.? When being detected using air-tightness of the detection device to rubber ring 2, required not according to the tightness class of different rubber rings 2 Together, the gas of different pressure can be exported into tracheae 3 by air-blowing device, and is shown in current tracheae 3 by air pressure valve 4 The pressure size of gas, so that the pressure for the gas being input in airflow channel 122 is accurately controlled, to carry out not to rubber ring 2 The air tightness test of ad eundem.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of rubber detects jig, the air-leakage test for rubber ring, which is characterized in that the rubber detects jig and includes:

Detection lid, is convexly equipped with boss, rubber ring sleeve is connected to the boss；

Seat is detected, equipped with test chamber and the airflow channel for being connected to the test chamber, the side wall of the test chamber is formed with limiting stand The test chamber is divided into the limit chamber and accommodating cavity being connected by rank, the limited step, and the accommodating cavity passes through the gas Circulation road is in communication with the outside；

When detection lid is connected to the detection seat, the detection is covered and is limited in the limit chamber, and with the limit Step abuts, and the boss is located in the accommodating cavity, and the outer peripheral surface of the rubber ring and the side wall of the accommodating cavity abut against.

2. rubber as described in claim 1 detects jig, which is characterized in that the peripheral wall of the boss is equipped with annular groove, the ring The depth capacity of slot is less than the thickness of the rubber ring, and when the rubber ring sleeve is connected to the boss, the rubber ring part holds It is contained in the annular groove.

3. rubber as described in claim 1 detects jig, which is characterized in that the side wall of the accommodating cavity is equipped with limiting section, institute When stating boss and being contained in the accommodating cavity, the limiting section is for limiting the rubber ring.

4. rubber as claimed in claim 3 detects jig, which is characterized in that side wall of the accommodating cavity adjacent to the limiting section It is convexly equipped with tripping block, the boss is equipped with tripping elastic slice backwards to the side of the detection lid；

The detection lid is fixed on the detection seat by the cooperation of threaded off elastic slice, tripping block and the limited step.

5. rubber as claimed in claim 3 detects jig, which is characterized in that the airflow channel is connected to the accommodating cavity, And the neighbouring limiting section is arranged.

6. rubber as described in claim 1 detects jig, which is characterized in that the detection covers the side backwards to the boss also Equipped with handle.

7. as rubber described in any one of claims 1 to 6 detects jig, which is characterized in that the detection seat is neighbouring described Test chamber be equipped with fixing piece, the fixing piece far from it is described detection seat one end be equipped with valve block, one end of the valve block with it is described Fixing piece rotation connection；

When detection lid is limited in the limit chamber, the other end of the valve block is rotated around the fixing piece, and is connected to The detection lid is backwards to the side of the boss, with the fixation detection lid.

8. rubber as claimed in claim 7 detects jig, which is characterized in that the one end of the valve block far from the fixing piece is convex Equipped with positioning region；

The positioning region is located at side of the valve block towards the detection seat.

9. as rubber described in any one of claims 1 to 6 detects jig, which is characterized in that the airflow channel is far from institute The one end for stating test chamber is connected with air-flow interface.

10. a kind of detection device characterized by comprising

Rubber as claimed in any one of claims 1-9 wherein detects jig；

Tracheae is connected to the one end of the airflow channel far from the test chamber；

Air pressure valve is set to the tracheae, for detecting the size of the endotracheal stream pressure；

Air-blowing device is used for the intratracheal air-blowing.