CN211179471U

CN211179471U - Salt spray corrosion test box

Info

Publication number: CN211179471U
Application number: CN201922185134.6U
Authority: CN
Inventors: 周子焱
Original assignee: WUXI KELONG TESTING MECHANICAL CO Ltd
Current assignee: WUXI KELONG TESTING MECHANICAL CO Ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-08-04
Anticipated expiration: 2029-12-09

Abstract

The utility model relates to a salt spray corrosion test case, including box, the case lid of setting on the box, set up sample support frame and defogging subassembly in the box, the sample support frame is located the below of defogging subassembly, the sample support frame includes slide bar, a plurality of branch, the slide bar is installed respectively on the both sides wall that the box is relative, branch is located between the slide bar and with slide bar sliding connection to make branch can slide along the slide bar axis, the slide bar is through reciprocating subassembly and box inner wall connection, so that the sample support frame can reciprocate. Through a plurality of branches and slide bar sliding connection, make branch can slide on the slide bar to can adjust the distance between a plurality of branches, conveniently place not unidimensional sample, avoid among the prior art distance between the branch to be in fixedly, can't place the sample that the size is less relatively, application scope is more extensive.

Description

Salt spray corrosion test box

Technical Field

The utility model relates to a salt fog test box technical field, concretely relates to salt fog corrosion test box.

Background

The salt spray test box is also called as a salt spray corrosion test box, is mainly used for environmental test equipment for rapidly corroding products such as metal and the like in an artificially simulated salt spray environment, plays an important role in identifying the salt spray environmental performance of the products in the nature, and is called as artificial climate environment three-prevention test equipment together with damp, heat and mold.

The corrosive solution in the test box is sprayed into mist by compressed air, the mist surrounds the test samples in the test box, the test can be continuous or cyclic, the corrosion resistance of each sample is defined as the time for the samples to corrode, and the longer the time is, the better the corrosion resistance is.

The salt spray test box mainly comprises a heating system, a spraying system and a control system. The heating system has the working principle that the titanium alloy electric heating heater at the bottom of the box body is used for heating the temperature of bottom water, steam is used for direct heating, the temperature rise is fast, and the standby time is short.

The spraying system of the salt spray box is mainly controlled by an air compressor, pressure air generated by the air compressor is filtered by a filter tank and then reaches a saturator through a pressure regulating valve, then an initial opening street nozzle of the saturator generates moderate and high temperature with proper temperature, and meanwhile, salt water in a spray tower is absorbed to achieve the spraying effect.

The control system mainly controls the settlement amount and temperature of the salt fog. The salt spray sedimentation rate is the characteristic of the density of the reaction salt spray and the salt spray, and the corrosion of the salt spray test is generated, and besides the action of the chloride ions of a corrosion medium, the salt spray sedimentation rate also has the diffusion influence of oxygen in a liquid film on the surface of the metal. The salt spray box adopts a standard funnel and a metering cylinder to recover steam, analyzes the settling amount of the salt spray, and then adjusts the settling amount through a nozzle and a spray tower.

When a salt spray resistance experiment is carried out on a test sample in a test box, the change condition of the surface of the sample needs to be observed in a specific time period to judge the corrosivity of the sample, but in the spraying process, the salt spray test box cover is full of water spray and can not be directly observed outside, the box cover needs to be opened, the test sample is taken out to be observed, so that salt spray loss can be caused, when the salt spray test box is used for carrying out the secondary test, the salt spray needs to be sprayed again, not only energy consumption is consumed, but also the operation is complex, meanwhile, the test sample in the salt spray test box is not uniformly sprayed, the test time is too long, so that the salt spray is seriously wasted, in the prior art, the distance among a plurality of supporting rods for supporting the sample can not be adjusted, the supporting effect can not be realized on the sample with a relatively small size, the distance of the supporting rods relative to a spray tower can not be adjusted, the salt spray corrosion test effect is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides a salt spray corrosion test box.

In order to achieve the above object, the utility model adopts the following technical scheme:

a salt spray corrosion test box comprises a box body and a box cover arranged on the box body, wherein a sample support frame and a demisting assembly are arranged in the box body, the sample support frame is positioned below the demisting assembly and comprises slide rods and a plurality of support rods, the slide rods are respectively arranged on two opposite side walls of the box body, the support rods are positioned between the slide rods and are in sliding connection with the slide rods, so that the support rods can slide along the axis of the slide rods, the slide rods are connected with the inner wall of the box body through an up-down moving assembly so that the sample support frame can move up and down, the demisting assembly comprises a scraper, a first moving rod and a base, the top end of the first moving rod is hinged with the scraper, the bottom end of the first moving rod is fixedly provided with a second moving rod in a rectangular structure, the top of the base is fixedly provided with a limiting block, the second moving rod penetrates, the one end fixing chuck that first carriage release lever was kept away from to the second carriage release lever, the cover has the spring on the second carriage release lever between stopper and the first carriage release lever, during scraper blade and case lid lateral wall, the spring is in compression state, pedestal mounting is on sharp drive assembly to drive base drives the scraper blade and makes reciprocal linear motion.

Preferably, the bottom of one end of the second moving rod, which is far away from the chuck, is fixed with a sliding block, a sliding groove matched with the sliding block is formed in the base, and the limiting block is located between the chuck and the sliding block.

In any of the above schemes, preferably, one end of the sliding groove away from the limiting block is of an open structure.

In any of the above schemes, preferably, a rubber plate is fixed on the side wall of the scraper opposite to the side wall of the box cover, and the rubber plate is attached to the box cover under the action of the elastic force of a spring.

In any of the above schemes, preferably, the sliding sleeve is provided with a plurality of sliding sleeves, the number of the sliding sleeves is the same as that of the supporting rods, and the sliding sleeves and the supporting rods are detachably and fixedly connected.

In any of the above schemes, preferably, the side walls of the two ends of the supporting rod are respectively provided with a blind hole, the outer wall of the sliding sleeve is fixed with a plug, the plug is inserted into the blind hole, and the plug and the supporting rod are fixed through a bolt.

In any of the above aspects, preferably, the slide bar has a rectangular or circular structure.

It is preferred in any preceding scheme, linear drive subassembly includes lead screw, guide bar, motor, lead screw and guide bar are installed respectively in the box, lead screw and guide bar all are located the slide bar directly over, the both ends of guide bar all with the inner wall fixed connection of box, the one end of lead screw is connected with a lateral wall rotation in the box, the other end and the motor of lead screw are connected, the motor is installed on one side outer wall of box.

In any of the above schemes, preferably, the up-down moving assembly includes a screw and a nut, the screws are fixed at four corner ends in the box body respectively, two ends of the sliding rod are sleeved on the adjacent screws, the nut is connected to the screw in a threaded manner below the sliding rod, and the sliding rod abuts against the nut.

Compared with the prior art, the utility model provides a pair of salt fog corrosion test case has following beneficial effect:

1. the plurality of supporting rods are connected with the sliding rod in a sliding manner, so that the supporting rods can slide on the sliding rod, the distance between the plurality of supporting rods can be adjusted, samples with different sizes can be placed conveniently, the problem that the samples with relatively small sizes cannot be placed due to the fact that the distance between the supporting rods is fixed in the prior art is solved, and the application range is wider; the scraper is hinged with the first moving rod, so that the scraper can rotate by a certain angle relative to the first moving rod, the scraper can be conveniently and completely attached to the side wall of the box cover under the action of spring force, the phenomenon that the scraper and the first moving rod are fixed in the prior art is avoided, and due to the fact that installation errors exist, the installation inclination angle of the scraper is not completely consistent with the inclination angle of the side wall of the box cover, so that the scraper and the side wall of the box cover are not completely attached, demisting cannot be realized due to the non-attached part, a demisting effect is influenced, the scraper and the first moving rod are more convenient to install, and the scraper and the side wall of the box cover are always in a completely attached state under the action of the spring force, so that the situation that a rubber pad on the scraper cannot abut against the;

2. the support rod is detachably and fixedly connected with the sliding sleeve, so that the support rod or the sliding sleeve can be conveniently and independently replaced, and the resource waste caused by the integral replacement of the support rod and the sliding sleeve is avoided;

3. the subassembly that reciprocates that sets up can adjust the distance between sample support frame and the spray tower, conveniently places the great sample of size relatively, guarantees that the sample is whole to be in spray tower spun salt fog below completely, avoids salt fog can't cover the sample comprehensively and influence the test effect of salt fog corrosion test.

Drawings

Fig. 1 is a schematic overall structure diagram of a preferred embodiment of a salt spray corrosion test chamber provided by the present invention;

FIG. 2 is a top view of the sample support of the embodiment of FIG. 1;

fig. 3 is a right side view of the defogging assembly disposed within the housing in the embodiment of fig. 1.

The figures are labeled as follows: 1. a box body; 2. a box cover; 3. a screw; 4. a slide bar; 5. a nut; 6. a motor; 7. a base; 8. a squeegee; 9. a lead screw; 10. a strut; 11. a sliding sleeve; 12. a plug; 13. a bolt; 14. a rubber plate; 15. a first movable bar; 16. a second movable bar; 17. a limiting block; 18. a spring; 19. a slider; 20. a chute; 21. a sleeve.

Detailed Description

In order to further understand the inventive content of the present invention, the present invention will be explained in detail with reference to the specific embodiments.

As shown in fig. 1-3, according to an embodiment of the salt spray corrosion test chamber provided by the present invention, the salt spray corrosion test chamber comprises a chamber body 1, a chamber cover 2 disposed on the chamber body 1, the chamber cover 2 is made of transparent material, a sample support frame and a defogging component are disposed in the chamber body 1, the sample support frame is located below the defogging component, the sample support frame comprises a slide bar 4 and a plurality of support rods 10, the slide bar 4 is respectively mounted on two opposite side walls of the chamber body 1, the support rods 10 are located between the slide bars 4 and slidably connected with the slide bars 4, so that the support rods 10 can slide along the axis of the slide bars 4, the slide bars 4 are connected with the inner wall of the chamber body 1 through an up-down moving component, so that the sample support frame can move up and down, the defogging component comprises a scraper 8, a first moving rod 15 and a base 7, the top end of the first moving rod 15 is hinged to the scraper 8, the bottom, the top of base 7 is fixed with stopper 17, the second carriage release lever 16 runs through stopper 17, and relative stopper 17 can remove, the fixed chuck of one end of first carriage release lever 15 is kept away from to second carriage release lever 16, the cover has spring 18 on the second carriage release lever 16 between stopper 17 and the first carriage release lever 15, during

scraper blade

8 and 2 lateral walls of case lid, spring 18 is in compression state, base 7 installs on sharp drive assembly to drive base 7 drives scraper blade 8 and makes reciprocal linear motion. The two ends of the plurality of supporting rods 10 are respectively connected with the adjacent sliding rods 4 in a sliding mode, the distance between the plurality of supporting rods 10 can be adjusted in a sliding mode manually, samples of different sizes can be placed conveniently, the situation that the distance between the plurality of supporting rods 10 in the prior art is in a fixed state, the samples of the small size cannot be placed, and the application range is wider. Be articulated between scraper blade 8 and the first movable rod 15, make scraper blade 8 certain angle of rotation relatively first movable rod 15, and under spring 18 elastic force effect, be convenient for

scraper blade

8 and 2 lateral walls of case lid laminate completely, avoid being fixed mode among the prior art between scraper blade 8 and the first movable rod 15, owing to there is installation error, the inclination that makes scraper blade 8 installation is not completely unanimous with the lateral wall inclination of case lid 2, lead to

scraper blade

8 and 2 lateral walls of case lid not laminate completely, the unable defogging that realizes of part of not laminating, influence the defogging effect, and under spring 18 elastic force effect, make

scraper blade

8 and 2 lateral walls of case lid be in the state of laminating completely always, can't with 2 butts of case lid after avoiding the rubber pad wearing and tearing on scraper blade 8, influence the defogging effect equally, the life of extension rubber pad.

The one end bottom that chuck was kept away from to second carriage release lever 16 is fixed with slider 19, base 7 is last to be seted up with slider 19 complex spout 20, stopper 17 is located between chuck and the slider 19. The slider 19 supports the second moving bar 16.

The one end that the stopper 17 was kept away from to spout 20 is open type structure, and the slider 19 of being convenient for is when installing in spout 20, and second carriage release lever 16 installs on stopper 17.

The rubber plate 14 is fixed on the side wall of the scraper 8 opposite to the side wall of the box cover 2, the rubber plate 14 is attached to the box cover 2 under the elastic force action of a spring 18, and the rubber plate 14 is a hard rubber plate 14.

The sliding sleeve is sleeved with a plurality of sliding sleeves 11 on the sliding rod 4, the number of the sliding sleeves 11 is the same as that of the supporting rods 10, and the sliding sleeves 11 are detachably and fixedly connected with the supporting rods 10. Branch 10 and sliding sleeve 11 are for dismantling being connected, are convenient for separately change branch 10 and sliding sleeve 11, when sliding sleeve 11 damages, only need to change sliding sleeve 11 can, when branch 10 damages, only need to change branch 10, avoid the whole wasting of resources that leads to the fact of sliding sleeve 11 and branch 10.

The supporting rod 10 is provided with blind holes on the side walls of the two ends respectively, a plug 12 is fixed on the outer wall of the sliding sleeve 11, the plug 12 is inserted into the blind holes, and the plug 12 and the supporting rod 10 are fixed through bolts 13. The plug 12 is provided with a threaded blind hole, the top end of the blind hole on the supporting rod 10 is provided with a threaded hole, and after the plug 12 is inserted into the blind hole, the bolt 13 is connected with the threaded hole and the threaded blind hole to realize the detachable fixation of the plug 12 and the supporting rod 10.

The slide bar 4 is of a rectangular or circular structure.

The linear driving assembly comprises a screw rod 9, a guide rod and a motor 6, the screw rod 9 and the guide rod are respectively installed in the box body 1, the screw rod 9 and the guide rod are located right above the sliding rod 4, the two ends of the guide rod are fixedly connected with the inner wall of the box body 1, one end of the screw rod 9 is connected with one side wall of the box body 1 in a rotating mode, the other end of the screw rod 9 is connected with the motor 6, and the motor 6 is installed on the outer wall of one side of the box body 1.

The up-down moving assembly comprises a screw rod 3 and a nut 5, the screw rods 3 are respectively fixed at four corner ends in the box body 1, two ends of the sliding rod 4 are sleeved on the adjacent screw rods 3, the screw rods 3 below the sliding rod 4 are in threaded connection with the nuts 5, and the sliding rod 4 is abutted to the nuts 5. Nut 5 is used for supporting slide bar 4, and is concrete, slide bar 4's both ends are fixed sleeve pipe 21 respectively, and sleeve pipe 21 cover is on screw rod 3, and the relative screw rod 3 of sleeve pipe 21 can remove, and swivel nut 5 removes on screw rod 3, makes slide bar 4 can reciprocate to adjust branch 10 apart from the distance between the spray tower, conveniently place the great sample of size relatively, guarantee that the sample is whole to be in spray tower spun salt fog below completely, avoid salt fog can't cover the sample comprehensively and influence the test effect of salt fog corrosion test.

The working principle of the embodiment is as follows: the support rods 10 are moved manually, the distance between the adjacent support rods 10 can be adjusted, samples with different sizes can be placed conveniently, the support rods 10 are connected with the sliding sleeve 11 through the bolts 13 to realize detachable connection, when the support rods 10 are damaged, the support rods can be directly detached and replaced, when the distance between the sample support frame and the spray tower needs to be adjusted, the box cover 2 is opened, the nuts 5 are rotated manually to move the nuts 5 on the screw rods 3, so that the sample support frame can move a certain distance in the height direction relative to the box body 1, the installation position of the collecting cup does not obstruct the movement of the sample support frame in the distance range, when the corrosion condition of the sample needs to be observed, when the demisting operation is carried out on one side wall of the box cover 2, the box cover 2 is in a closed state, the rubber plates 14 on the scraper 8 are attached to the side wall of the box cover 2, and the springs 18 are in a compressed, the box cover 2 with the rubber plate 14 in contact with the side wall of the box cover 2 is favorably scraped cleanly, the motor 6 drives the lead screw 9 to rotate, the base 7 makes reciprocating linear motion on the lead screw 9 along the axis of the lead screw, the defogging effect of the rubber plate 14 on the box cover 2 is realized, after defogging is carried out, a sample in the box body 1 can be directly observed under the condition that the box cover 2 is not required to be opened, when the sample is taken out, the box cover 2 is opened, the second moving rod 16 moves forwards under the reset action of the spring 18 at the moment, the spring 18 resets, the reset spring 18 is also in a compression state, when the box cover 2 is closed, in the closing process, the side wall of the box cover 2 extrudes the scraper 8 to enable the first moving rod 15 to drive the second moving rod 16 to move backwards, the tight adhesion of the rubber plate 14 on the scraper 8 and.

It will be understood by those skilled in the art that any combination of the elements of the present invention, including the summary and detailed description of the invention provided in the foregoing description and illustrated in the accompanying drawings, is not to be considered limiting in scope and in order to make the description more concise, and not to describe every element of the combination. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a salt spray corrosion test case, includes the box, sets up the case lid on the box, its characterized in that: the sample support frame is arranged below the demisting assembly, the sample support frame comprises slide rods and a plurality of support rods, the slide rods are respectively arranged on two opposite side walls of the box body, the support rods are positioned between the slide rods and are in sliding connection with the slide rods, so that the support rods can slide along the axis of the slide rods, the slide rods are connected with the inner wall of the box body through an up-down moving assembly, so that the sample support frame can move up and down, the demisting assembly comprises a scraper, a first moving rod and a base, the top end of the first moving rod is hinged with the scraper, the bottom end of the first moving rod is fixedly provided with a second moving rod in a rectangular structure, a limiting block is fixedly arranged at the top of the base, the second moving rod penetrates through the limiting block and can move relative to the limiting block, and a clamping disc is fixed at one end, far away from the first moving rod, the second movable rod between the limiting block and the first movable rod is sleeved with a spring, the spring is in a compression state when the scraper plate and the side wall of the box cover are arranged, and the base is installed on the linear driving assembly to drive the scraper plate to do reciprocating linear motion.

2. The salt spray corrosion test chamber of claim 1, wherein: the one end bottom that the chuck was kept away from to the second carriage release lever is fixed with the slider, set up on the base with slider complex spout, the stopper is located between chuck and the slider.

3. The salt spray corrosion test chamber of claim 2, wherein: the end of the sliding groove far away from the limiting block is of an open structure.

4. The salt spray corrosion test chamber of claim 1, wherein: and a rubber plate is fixed on the side wall of the scraper plate opposite to the side wall of the box cover, and the rubber plate is attached to the box cover under the action of the elastic force of a spring.

5. The salt spray corrosion test chamber of claim 1, wherein: the sliding sleeve is sleeved with a plurality of sliding sleeves, the number of the sliding sleeves is the same as that of the supporting rods, and the sliding sleeves and the supporting rods are detachably and fixedly connected.

6. The salt spray corrosion test chamber of claim 5, wherein: the sliding sleeve is characterized in that blind holes are formed in the side walls of two ends of the supporting rod respectively, a plug is fixed to the outer wall of the sliding sleeve and inserted into the blind holes, and the plug and the supporting rod are fixed through bolts.

7. The salt spray corrosion test chamber of claim 6, wherein: the slide bar is of a rectangular or round structure.

8. The salt spray corrosion test chamber of claim 1, wherein: the linear driving assembly comprises a screw rod, a guide rod and a motor, the screw rod and the guide rod are respectively installed in the box body, the screw rod and the guide rod are both located right above the sliding rod, the two ends of the guide rod are fixedly connected with the inner wall of the box body, one end of the screw rod is rotatably connected with one side wall in the box body, the other end of the screw rod is connected with the motor, and the motor is installed on the outer wall of one side of the box body.

9. The salt spray corrosion test chamber of claim 7, wherein: the up-and-down moving assembly comprises a screw rod and a nut, the screw rods are respectively fixed at four corner ends in the box body, two ends of the sliding rod are sleeved on the adjacent screw rods, the screw rods below the sliding rod are in threaded connection with the nuts, and the sliding rod is abutted to the nuts.