CN211121835U

CN211121835U - Airtightness detector for high-precision silencer

Info

Publication number: CN211121835U
Application number: CN201922137489.8U
Authority: CN
Inventors: 李小兵
Original assignee: Longquan Aoxiang Automobile Air-Conditioning Ltd
Current assignee: Longquan Aoxiang Automobile Air-Conditioning Ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-07-28
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses an airtight detection machine of high accuracy muffler belongs to the muffler and detects technical field, the airtight detection machine of high accuracy muffler, including detecting quick-witted body, detect quick-witted body upper end and install multiunit clamping mechanism, clamping mechanism is last to be connected with the muffler, detect quick-witted body upper end and seted up the holding tank, and the holding tank is located the muffler under, fixed mounting has the electric putter with detection machine body electric connection in the holding tank, electric putter's flexible end fixedly connected with oil storage box, the oil storage box intussuseption is filled with stamp-pad ink, oil storage box upper end fixedly connected with sponge seal, sponge seal lower extreme fixedly connected with a plurality of oil guide ropes, can realize marking the unqualified muffler of testing result in the airtight detection of muffler, thereby be convenient for the staff distinguishes and classifies muffler and wastrel thereof, effectively avoid the good order to obscure, So as to better control the quality of the silencer.

Description

Airtightness detector for high-precision silencer

Technical Field

The utility model relates to a muffler detects technical field, and more specifically says, relates to airtight detection machine of high accuracy muffler.

Background

At present, in order to solve the problem of low-frequency noise in an automobile air conditioner, the existing technical means is to add a resistant silencer on a compressor pipe, but in the production process of the silencer, the whole pipeline of the silencer needs to be subjected to airtight detection, qualified products can be put into storage for standby application, and unqualified products need to be reworked and welded again to ensure the airtight requirement of the whole silencer.

With the continuous development of science and technology, various high-precision air tightness detectors appear in the market at present, nondestructive airtightness detection can be carried out on the silencer by utilizing the pressure or vacuum principle, and the detection mode generally comprises the following steps: the method comprises the steps of firstly switching on a power supply and connecting gas circuits (an air inlet and an air outlet), pressing down a start button, switching on the gas circuits, pressurizing a tested product, automatically closing a pressurizing channel when the pressure reaches a testing set value, lighting a delay detection indicator lamp and starting timing, starting detection after a period of pressure maintaining, comparing a preset qualified value with a preset current value after the detection and timing are finished, judging whether the tested product is qualified or unqualified, lighting a qualified lamp to indicate that the tested product meets the air tightness requirement, judging that the product is qualified, lighting an unqualified lamp to indicate that the leakage of the tested product exceeds the standard, and judging that the product is unqualified.

The air tightness detection machine is usually used for simultaneously detecting a plurality of stations, each station corresponds to a group of indicator lamps, in the actual detection process of the air tightness detection machine, most of detection machines only show the detection result by turning on and off the indicator lamps, when the stations of the air tightness detection machine are more, the situation of confusion and misjudgment easily occurs in the process of distinguishing the detected silencers by workers, in addition, the appearance of the qualified silencers is almost not different from that of the unqualified silencers, the situation of confusion also easily occurs when the workers classify defective products, even the situation of insufficient quality can occur, and the potential hazard of great product quality exists.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an airtight machine that detects of high accuracy muffler, it can realize in the airtight testing process of muffler, marks the unqualified muffler of testing result to be convenient for the staff distinguishes and classifies muffler and wastrel, effectively avoids the good order to obscure, with the emergence of the condition such as good of order, thereby can be better the quality of accuse muffler.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The airtightness detector for the high-precision silencer comprises a detector body, wherein a plurality of groups of clamping mechanisms are installed at the upper end of the detector body, the silencer is connected onto the clamping mechanisms, a containing groove is formed in the upper end of the detector body and is located under the silencer, an electric push rod electrically connected with the detector body is fixedly installed in the containing groove, an oil storage box is fixedly connected with the telescopic end of the electric push rod, stamp-pad ink is filled in the oil storage box, a sponge stamp is fixedly connected to the upper end of the oil storage box, a plurality of oil guide ropes are fixedly connected to the lower end of the sponge stamp-pad ink and extend into the oil storage box, a pair of cover plates matched with the containing groove are connected to the upper end of the detector body through an elastic rotating shaft, the two cover plates are bilaterally and symmetrically distributed, and the purpose that the silencer with an unqualified detection result is marked in the airtightness detection process of the silencer is achieved, therefore, the working personnel can conveniently distinguish and classify the silencer and the defective products thereof, the occurrence of conditions such as quality confusion, quality satisfaction and the like can be effectively avoided, and the quality of the silencer can be better controlled.

Further, the equal fixedly connected with T shape slider in both ends about the oil storage box, the holding tank is controlled two inner walls and is all opened the chisel and have with T shape slider sliding connection's T shape guide way, mutually support between T shape slider and the T shape guide way, can play the effect of injecing the oil storage box and remove the orbit.

Further, the oil storage box upper end is opened and is dug a pair of recess that is bilateral symmetry and distributes, and two recesses are located the sponge seal left and right sides respectively, inner wall fixedly connected with compression spring under the recess, compression spring upper end fixedly connected with kicking block, and outside kicking block upper end extended to the recess, the top of kicking block was higher than the sponge seal, at the in-process of oil storage box rebound, the kicking block can touch the apron earlier than the sponge seal, because compression spring's elasticity is greater than the elasticity of elasticity pivot, the kicking block can be at the sponge seal in-process outside stretching out the holding tank, effectively avoids the sponge seal to touch the apron and cause the waste.

Furthermore, be equipped with the telescopic link in the compression spring, and both ends are inner wall fixed connection under with kicking block lower extreme and the recess respectively about the telescopic link, and the telescopic link can play the effect of injecing the kicking block and remove the orbit, also can effectively avoid the telescopic link to produce non-work simultaneously and shift deformation.

Further, the oil filling hole that is linked together rather than is dug to oil storage box upper end, oil filling hole in-connection have rather than assorted rubber buffer, the tank filler hole can make things convenient for the staff to add the stamp-pad ink in to the oil storage box, and the rubber buffer then plays sealed oil filling hole's effect.

Further, two the equal fixedly connected with flexible sealing strip of the one end that the apron is close to each other, and in close contact with between two flexible sealing strips, the clearance between two apron can be sealed with mutually supporting between two flexible sealing strips, improves the sealing performance of two apron to the holding tank.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) This scheme can realize marking the unqualified muffler of testing result in the airtight testing process of muffler to the staff of being convenient for differentiates and classifies muffler and wastrel, effectively avoids the good order to obscure, with the emergence of the circumstances such as good order, thereby can be better the quality of accuse muffler.

(2) The equal fixedly connected with T shape slider in both ends about the oil storage box, the holding tank about both sides inner wall all open chisel have with T shape slider sliding connection's T shape guide way, mutually support between T shape slider and the T shape guide way, can play the effect of injecing the oil storage box and remove the orbit.

(3) The chisel has a pair of recess that is bilateral symmetry and distributes on the oil storage box, and two recesses are located the sponge seal left and right sides respectively, inner wall fixedly connected with compression spring under the recess, compression spring upper end fixedly connected with kicking block, and outside the kicking block upper end extends to the recess, the top of kicking block is higher than the sponge seal, at the in-process of oil storage box rebound, the kicking block can touch the apron prior to the sponge seal, because compression spring's elasticity is greater than the elasticity of elasticity pivot, the kicking block can be at the sponge seal in-process outside stretching out the holding tank, effectively avoid the sponge seal to touch the apron and cause the waste.

(4) Be equipped with the telescopic link in the compression spring, and both ends respectively with kicking block lower extreme and recess lower wall fixed connection about the telescopic link, the telescopic link can play the effect of injecing the kicking block removal orbit, also can effectively avoid the telescopic link to produce non-working displacement deformation simultaneously.

(5) The upper end of the oil storage box is provided with an oil filling hole communicated with the oil storage box, the oil filling hole is internally connected with a rubber plug matched with the oil filling hole, the oil filling hole can facilitate a worker to add stamp-pad ink into the oil storage box, and the rubber plug plays a role in sealing the oil filling hole.

(6) The equal fixedly connected with flexible sealing strip of one end that two apron are close to each other, and in close contact with between two flexible sealing strip, the clearance between two apron can be sealed with mutually supporting between two flexible sealing strip, improves the sealing performance of two apron to the holding tank.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure at A in FIG. 1;

FIG. 3 is a schematic view of the structure at B in FIG. 2;

Fig. 4 is a schematic structural diagram of the present invention when marking an unqualified muffler.

The reference numbers in the figures illustrate:

The detection device comprises a detection machine body 1, a clamping mechanism 2, a silencer 3, an accommodating groove 4, an electric push rod 5, an oil storage box 6, stamp-pad ink 7, a sponge stamp 8, an oil guide rope 9, a cover plate 10, a groove 11, a top block 12, a compression spring 13, a telescopic rod 14, an oil filling hole 15, a rubber plug 16, a T-shaped sliding block 17 and a T-shaped guide groove 18.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

Referring to fig. 1-2, the airtightness detector for the high-precision silencer comprises a detector body 1, wherein a plurality of clamping mechanisms 2 are mounted at the upper end of the detector body 1, and a silencer 3 is connected to the clamping mechanisms 2, and is characterized in that: detect 1 upper end of quick-witted body and seted up holding tank 4, and holding tank 4 is located muffler 3 under, holding tank 4 internal fixation install with detect quick-witted body 1 electric connection's electric putter 5, electric putter 5 is prior art, and the electric putter 5 of suitable model can be selected according to the actual demand to the technical staff in the field, for example: ANT-26, when the testing result of the tester body 1 is unqualified, the electric push rod 5 is automatically started, the telescopic end of the electric push rod 5 is fixedly connected with an oil storage box 6, the oil storage box 6 is filled with stamp-pad ink 7, the stamp-pad ink 7 is red, the upper end of the oil storage box 6 is fixedly connected with a sponge stamp-pad ink 8, the lower end of the sponge stamp-pad ink 8 is fixedly connected with a plurality of oil guide ropes 9, the plurality of oil guide ropes 9 penetrate through the oil storage box 6 and extend into the oil storage box 6, the oil guide ropes 9 are the prior art, the lower end of the oil guide ropes is immersed into the stamp-pad ink 7, the stamp-pad ink 7 in the oil storage box 6 can be guided into the sponge stamp-pad ink 8 through capillary action, so that a certain amount of stamp-pad ink 7 can be stored in the sponge stamp-pad ink 8 all the time, in addition, the sponge stamp-pad ink 8 can be used for a long time without frequently adding the stamp-pad ink 7, and two apron 10 are bilateral symmetry and distribute, apron 10 can cover the oral area of holding tank 4 completely, effectively avoid dust and various rubbish to enter into in the holding tank 4 and pollute sponge seal 8, can realize in the airtight testing process of muffler 3, mark the unqualified muffler 3 of testing result, thereby be convenient for the staff to differentiate and classify muffler 3 and its wastrel, effectively avoid the good condition to obscure, with the emergence of the condition such as good, thereby can be better the quality of accuse muffler 3.

Referring to fig. 2, the T-shaped sliding blocks 17 are fixedly connected to the left and right ends of the oil storage box 6, the T-shaped guide grooves 18 slidably connected to the T-shaped sliding blocks 17 are formed in the left and right inner walls of the accommodating groove 4, and the T-shaped sliding blocks 17 and the T-shaped guide grooves 18 are matched with each other to limit the moving track of the oil storage box 6.

Referring to fig. 2-3, a pair of grooves 11 symmetrically distributed left and right are drilled at the upper end of the oil storage box 6, the two grooves 11 are respectively located at the left and right sides of the sponge print 8, a compression spring 13 is fixedly connected to the lower inner wall of the groove 11, the elastic force of the compression spring 13 is greater than that of the elastic rotating shaft, a top block 12 is fixedly connected to the upper end of the compression spring 13, the upper end of the top block 12 extends out of the groove 11, the top of the top block 12 is higher than the sponge print 8, please refer to fig. 4, in the process that the oil storage box 6 moves upwards, the top block 12 touches the cover plate 10 before the sponge print 8, because the elastic force of the compression spring 13 is greater than that of the elastic rotating shaft, the top block 12 can push the cover plate 10 to open outwards, the top block 12 can effectively avoid waste caused by the sponge print 8 touching the cover plate 10 in the process that the sponge print 8 extends out of the accommodating groove 4, and both ends about the telescopic link 14 respectively with kicking block 12 lower extreme and recess 11 lower inner wall fixed connection, telescopic link 14 can play the effect of injecing kicking block 12 moving trajectory, also can effectively avoid telescopic link 14 to produce non-working displacement deformation simultaneously.

Please refer to fig. 3, oil storage box 6 upper end is opened and is dug oil filler hole 15 rather than being linked together, oil filler hole 15 in-connection has rather than assorted rubber buffer 16, rubber buffer 16 is prior art, no longer describe herein, oil filler hole 15 can make things convenient for the staff to add stamp-pad ink 7 in the oil storage box 6, and rubber buffer 16 then plays the effect of sealed oil filler hole 15, please refer to fig. 2, two equal fixedly connected with flexible sealing strips in the one end that apron 10 is close to each other, and in close contact with between two flexible sealing strips, mutually support between two flexible sealing strips, can seal the gap between two apron 10, improve the sealing performance of two apron 10 to holding tank 4.

Referring to fig. 4, in the airtight detection of the silencer 3 by the detector body 1, when the detector body 1 determines that the silencer 3 is not qualified, the detector body 1 automatically starts the electric push rod 5, the electric push rod 5 pushes the oil storage box 6 to move upward, when the top block 12 touches the cover plate 10, because the elastic force of the compression spring 13 is greater than the elastic force of the elastic rotating shaft, the top block 12 can push the cover plate 10 to open outward, so that the cover plate 10 does not close the mouth of the accommodating groove 4 any more, and the oil storage box 6 can extend out of the accommodating groove 4, when the top block 12 touches the silencer 3, because the silencer 3 is fixed on the clamping mechanism 2, the top block 12 cannot push the silencer 3, and can move into the groove 11, therefore, the oil storage box 6 continues to move upward, the sponge stamp 8 can contact with the lower end of the silencer 3, and a certain amount of stamp ink 7 can be stored in the sponge stamp 8 due to the capillary action of the oil guide rope 9, make sponge seal 8 can print next seal of a government organization in old china on muffler 3, mark unqualified muffler 3, the mark is accomplished the back, electric putter 5 just can drive oil storage box 6 and remove in to holding tank 4, apron 10 just can be automatic closure under the elasticity pivot effect, thereby cover holding tank 4 again, it is sealed, can realize in 3 airtight testing process of muffler, mark unqualified muffler 3 to the testing result, thereby be convenient for the staff to differentiate and classify muffler 3 and its wastrel, effectively avoid the confusion of good order, with the emergence of the condition such as good order, thereby can be better the quality of accuse muffler 3.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. Airtight detection machine of high accuracy muffler, including detecting quick-witted body (1), detect quick-witted body (1) upper end and install multiunit clamping machine structure (2), be connected with muffler (3), its characterized in that on clamping machine structure (2): holding tank (4) have been seted up to detection machine body (1) upper end, and holding tank (4) are located under muffler (3), fixed mounting has electric putter (5) with detection machine body (1) electric connection in holding tank (4), the flexible end fixedly connected with oil storage box (6) of electric putter (5), the intussuseption of oil storage box (6) is filled with stamp-pad ink (7), oil storage box (6) upper end fixedly connected with sponge seal (8), a plurality of oil guide rope (9) of sponge seal (8) lower extreme fixedly connected with, and a plurality of oil guide rope (9) run through oil storage box (6) and extend to in oil storage box (6), detection machine body (1) upper end is connected with a pair ofly through the elasticity pivot and holds tank (4) assorted apron (10), and two apron (10) are bilateral symmetry and distribute.

2. The airtightness detector for a high-precision muffler according to claim 1, wherein: the equal fixedly connected with T shape slider (17) in both ends about oil storage box (6), the T shape guide way (18) that have with T shape slider (17) sliding connection are all dug to two inner walls about holding tank (4).

3. The airtightness detector for a high-precision muffler according to claim 1, wherein: oil storage box (6) upper end is excavated and is had a pair of recess (11) that are bilateral symmetry and distribute, and two recess (11) are located sponge seal (8) left and right sides respectively, inner wall fixedly connected with compression spring (13) under recess (11), compression spring (13) upper end fixedly connected with kicking block (12), and kicking block (12) upper end extends outside recess (11).

4. The airtightness detector for a high-precision muffler according to claim 3, wherein: an expansion link (14) is arranged in the compression spring (13), and the upper end and the lower end of the expansion link (14) are respectively fixedly connected with the lower end of the ejector block (12) and the lower inner wall of the groove (11).

5. The airtightness detector for a high-precision muffler according to claim 1, wherein: oil storage box (6) upper end is excavated oil filler hole (15) that is linked together rather than, oil filler hole (15) in-connection have rather than assorted rubber buffer (16).

6. The airtightness detector for a high-precision muffler according to claim 1, wherein: two the equal fixedly connected with flexible sealing strip of one end that apron (10) are close to each other, and in close contact with between two flexible sealing strips.