CN207051221U - A kind of building materials non-combustibility test device - Google Patents
A kind of building materials non-combustibility test device Download PDFInfo
- Publication number
- CN207051221U CN207051221U CN201720977106.6U CN201720977106U CN207051221U CN 207051221 U CN207051221 U CN 207051221U CN 201720977106 U CN201720977106 U CN 201720977106U CN 207051221 U CN207051221 U CN 207051221U
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- heating furnace
- specimen mounting
- translation part
- insertion section
- building materials
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Abstract
The utility model discloses a kind of building materials non-combustibility test device, its drip irrigation device is to include support, the heating furnace being fixed on support, the heater being fixed in inside heater box, specimen mounting, the insertion apparatus that specimen mounting is inserted in heating furnace and the peephole being arranged on above heater box, specimen mounting is provided with multiple and slided in the horizontal direction above heating furnace, also include translating device and Heat-insulation device that driving specimen mounting slides, specimen mounting includes the translation part being connected with support, with the translation part insertion section that is fixedly connected of sliding and be fixed in insertion section bottom put sample portion, insertion section is relative to translation part along vertical sliding；Heat-insulation device includes the thermal insulative board shrouded on the thermal insulation case and affixed translation part for the specimen mounting for not participating in detection；Thermal insulation case shrouds the specimen mounting for not participating in experiment the effect wherein, reached the step of can completing replacement testing staff to be put into heating furnace or take out heating furnace sample.
Description
Technical field
A kind of detection device is the utility model is related to, more particularly to a kind of building materials non-combustibility test device.
Background technology
From ancient times to the present, fire is always arch enemy of man, a house fire, often to people's life security and property
Safety causes catastrophic consequence.People adopting various measures always avoid fire occur or reduce fire occur caused by
Harmful effect.One of which is exactly that construction material is made to be rigid in checking up.Non-combustibility test such as is carried out to construction material.
It is required that according to GBT5464-2010 construction materials, not so if property test method uniformly dissipates to single substance or dry
The mixture of cloth, for example, metal, stone material, timber, concrete, containing mineral wool for being uniformly distributed adhesive or polymer etc. carry out
Detection.The representative experimental apparatus that would generally be mentioned in application method, mainly including support, heating sample heating furnace, place
The specimen mounting of sample, the insertion apparatus that sample is put into heating furnace, peephole and air bell for observing combustion phenomena,
Thermocouple is connected with specimen mounting and heating furnace, for detecting the temperature in sample and heating furnace.
When being tested, it is necessary to which the temperature in heating furnace first is raised into 750 DEG C or so, then it is put into, tries by sample
Needed after the completion of testing after device is fully cooled to room temperature, testing staff could take out close to by the sample detected, lay
Lower battery of tests is carried out again after another good sample.According to standard, program is detected each time and is required for completing at least five groups of experiments.
It is the Detection task of completion once, it is necessary to by the process of heating furnace heating, cooling repeatedly, lose time very much.
Utility model content
The purpose of this utility model is to provide a kind of building materials non-combustibility test device, and testing staff can will be replaced to complete will
The step of sample is put into heating furnace or takes out heating furnace.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of building materials non-combustibility test device, including support, be fixed on support heating furnace, be fixed in inside heating furnace
Heater, specimen mounting, the insertion apparatus that specimen mounting is inserted in heating furnace and the peephole that is arranged on above heating furnace,
Specimen mounting is provided with multiple and slided in the horizontal direction above heating furnace, in addition to the translating device that driving specimen mounting slides, examination
Sample rack is including the translation part being connected with support, the insertion section being fixedly connected with translation part sliding and is fixed in insertion section bottom
Put sample portion, insertion section is relative to translation part along vertical sliding；Also include Heat-insulation device, Heat-insulation device is including thermal insulation case and admittedly
The thermal insulative board in translation part is connect, thermal insulation case is provided with outlet close to one end of heating furnace；Thermal insulation case will not participate in the sample of overtesting
Frame is shrouded wherein, and thermal insulative board is adapted with outlet and positioned at specimen mounting close to one end of heating furnace.
By using above-mentioned technical proposal, more points of samples can be disposably individually positioned on different specimen mountings,
Each specimen mounting by translating device, will successively be slided into the top of heating furnace, insertion section will be sent into heating furnace, examination to be done
After testing, specimen mounting is removed into heating furnace, you can with after the completion of all sample total Tests, then carry out cooling and take out examination
Sample, the step of middle cooling is changed is eliminated, the substantial amounts of stand-by period is saved, improves detection efficiency.Thermal insulation case is set
The specimen mounting and heating furnace and neighbouring hot environment that will not participate in detection are kept apart, and the sample that reduction has neither part nor lot in detection is heated
Possibility, make the initial temperature of sample more close to normal temperature, help to ensure that the accuracy of test structure.Thermal insulative board is set,
Thermal insulative board is moved with translation part, using thermal insulative board sealing the outlet of thermal insulation case, make encirclement of the Heat-insulation device by specimen mounting
It is more tight, it is effectively guaranteed the effect of Heat-insulation device.
Preferably, insertion apparatus includes the gear shaft relative to holder pivots, multiple is respectively and fixedly connected on each insertion section
The insertion motor that rack and gear shaft rotate, the axis of gear shaft is parallel with the glide direction of translation part, gear shaft with
Each rack engagement.
By using above-mentioned technical proposal, pitch wheel axle and rack are set, when specimen mounting is moved to heating furnace
Surface when, by the rotation of gear shaft, move down all insertion sections, and then make putting directly over the heating furnace
Sample portion is inserted into heating furnace, and rotating backward gear shaft can make rack bring up insertion section movement, will put the shifting of sample portion
Go out heating furnace, other are put sample portion and increased, while ensure that heating furnace will not interfere with translation motion.
Preferably, also including the isolation cabinet for shrouding support, specimen mounting and heating furnace, isolation cabinet is provided with transparent observation
Window, peephole are fixed in the top of isolation cabinet.
By using above-mentioned technical proposal, isolation cabinet is set, thoroughly isolation is opened with operator by heating location, reduces detection
The possibility of human contact's thermal source, help to protect the safety of testing staff；External environment can be reduced to heating furnace simultaneously
Influence, contribute to auxiliary oven to maintain stable heating environment.Support can be provided for peephole by isolating cabinet simultaneously.
Preferably, put the transition portion bending that sample portion is connected with insertion section, make to put projection of the sample portion in insertion section bottom surface and
Outside insertion section and translation part scope.
By using above-mentioned technical proposal, make part of the specimen mounting in addition to the part for placing sample avoid heating furnace just on
The position of side, heating furnace position directly above temperature is higher in experiment, helps to protect the attachment structure of specimen mounting and insertion apparatus,
Improve its service life；The position put directly over sample portion can be got out of the way simultaneously, avoid other structures from blocking peephole reflection and add
Situation in hot stove.
Preferably, translating device includes leading screw, the slide bar affixed with isolating cabinet and the driving with isolating cabinet rotation connection
The translation motor that leading screw rotates, each translation part is connected with threads of lead screw and the spacing of adjacent translation part is identical, is opened in translation part
There is a slide opening being adapted with slide bar, translation part is along sliding bar.
By using above-mentioned technical proposal, by the cooperation of slide opening and slide bar, limiting translation part using slide bar can only be along cunning
Pole length direction is slided, and the slip of translation part is realized by the rotation of leading screw.So as to drive all specimen mountings to move integrally.
Passed through preferably, being provided with thermal insulative board by hole, the line of thermocouple from by hole.
By using above-mentioned technical proposal, setting passes through hole, the line of thermocouple can be avoided to enter thermal insulative board and thermal insulation
In the gap of case, thermal insulative board is hindered to be slided with translation part.Contribute to the abrasion of reduction line simultaneously.
Preferably, being provided with feeding port in the side wall of thermal insulation case, material mouth door is hinged with the side wall of feeding port.
By using above-mentioned technical proposal, feeding port is set, thermal insulation case is opened wide.It is easy to tester that sample is put into thermal insulation
On specimen mounting in case, the preparation of detection is convenient for.Material mouth door is set, ensures the integrality of thermal insulation case.
Preferably, the hinge axes of material mouth door are horizontal and are located at the edge of material mouth door on the lower, it is affixed in the side wall of thermal insulation case
Limited location block, material mouth door downwardly turns over to abut with limited block；When material mouth door abuts with limited block, material mouth door is in horizontal
State.
, can be as the platform for placing sample when the upset of material mouth door is laid flat by using above-mentioned technical proposal.By
There is certain altitude in heating furnace, it is necessary to ensure that the initial position of specimen mounting is higher than heating furnace.When doing homework, it is necessary to once
Property at least five samples of installation, sample first can be placed on the material mouth door that is laid flat of upset by material mouth door close to the feeding port of thermal insulation case
On, in once mounting sample, it is easy to testing staff to install.
In summary, the utility model has the advantages that：
The stand-by period is saved, improves detection efficiency；Contribute to the safety of protection testing staff；Heating furnace is contributed to maintain
Stable heating environment；Help to ensure that the accuracy of test structure；It is easy to testing staff to carry out preliminary preparation.
Brief description of the drawings
Fig. 1 is the external structure schematic diagram of building materials non-combustibility test device；
Fig. 2 is the internal structure schematic diagram of building materials non-combustibility test device（Hide cabinet door, material mouth door closure）；
Fig. 3 is the internal structure schematic diagram of building materials non-combustibility test device（Cabinet door is hidden, material mouth door is opened, second examination
Sample is tested）；
Fig. 4 is the schematic diagram of insertion apparatus insertion heating furnace；
Fig. 5 is the sectional view at thermal insulation case；
Fig. 6 is the sectional view of translation part and insertion section junction；
Fig. 7 is the structural representation of thermal insulative board.
In figure, 1, support；2nd, heating furnace；3rd, specimen mounting；31st, translation part；311st, vertical rod；312nd, chute；32nd, insertion section；
321st, limited block；322nd, hole is passed through；33rd, sample portion is put；34th, support tubes；4th, insertion apparatus；41st, gear shaft；42nd, rack；43、
Insert motor；5th, translating device；51st, leading screw；52nd, slide bar；53rd, translation motor；6th, Heat-insulation device；61st, thermal insulation case；611st, feeding
Mouthful；612nd, gate slot；613rd, export；62nd, thermal insulative board；621st, mouth is passed through；63rd, material mouth door；64th, locating piece；65th, support block；7th, see
Examine mirror；8th, cabinet is isolated；81st, cabinet door；82nd, observation window.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.Wherein identical parts identical accompanying drawing
Mark represents.It should be noted that the word "front", "rear", "left", "right", the "up" and "down" that are used below in description refer to
It is the direction in accompanying drawing, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometry
The direction at center.
A kind of building materials non-combustibility test device, it is as depicted in figs. 1 and 2, main to include support 1, be fixed in adding on support 1
Hot stove 2, the heater being fixed in heating furnace 2, multiple specimen mountings 3, the insertion apparatus 4 that specimen mounting 3 is inserted to heating furnace 2,
Translate translating device 5, Heat-insulation device 6, isolation cabinet 8 and the peephole 7 of specimen mounting 3（As shown in Figure 3）.
Support 1 is the supporting construction of four straight-bar compositions, is fixed in the bottom of heating furnace 2.Air-flow is also connected with support 1
Screen and Air Temperature stream device.Heater mainly include refractory tube, be wound on the outside of refractory tube adding thermal resistance band, positioned at refractory tube with
Magnesia bisque and mineral wool thermal insulation layer between heating furnace 2.The structure and GBT5464- of support 1, heating furnace 2 and heater
The structure of the 2010 construction materials not so classical trials device in property test method is identical, is no longer repeating herein.
As shown in figure 1, isolation cabinet 8 is rectangle, heating furnace 2 and support 1 are integrally placed to isolate in cabinet 8.Cut with scissors on isolation cabinet 8
Cabinet door 81 is connected to, transparent observation window 82 is connected with cabinet door 81.With reference to shown in Fig. 3 and Fig. 5, peephole 7 is inclined to be fixed in
Isolate the top of cabinet 8, the situation in the heating furnace 2 that peephole 7 reflects can be observed through observation window 82 outside isolation cabinet 8.
With reference to shown in Fig. 1 and Fig. 2, translating device 5 includes being fixed in the slide bar 52 isolated in cabinet 8, is rotatably connected on isolation
The translation motor 53 that leading screw 51 and driving leading screw 51 in case rotate.Slide bar 52 is cylindrical bar, and slide bar 52 and leading screw 51 are equal
To be horizontally disposed and parallel to each other.Leading screw 51 and slide bar 52 are higher than heating furnace 2, and are located at the one end of heating furnace 2 away from cabinet door 81.
As shown in figure 4, translation motor 53 is fixed on the outer wall of isolation cabinet 8, and the output shaft of translation motor 53 and leading screw 51 are coaxially solid
Connect.
Specimen mounting 3 includes the translation part 31 being slidably connected on slide bar 52, the insertion section being slidably connected in translation part 31
32 and affixed insertion section 32 bottom put sample portion 33.As shown in figure 5, be provided with translation part 31 be adapted with slide bar 52 it is logical
Hole, and the screwed hole being adapted with leading screw 51.Slide bar 52 is each passed through the through hole in each translation part 31, leading screw 51 and each translation
Screwed hole threaded connection in portion 31.With reference to shown in Fig. 3 and Fig. 4, certain interval is left between adjacent translation part 31, and ensure spacing
It is identical.
As shown in figure 5, the strip that insertion section 32 is generally vertical, as shown in fig. 6, the cross section of insertion section 32 is similar to mute
Bell type.Translation part 31 is provided with vertical chute 312 close to one end of heating furnace 2, and chute 312 is through translation part 31 away from leading screw 51
End face.Insertion section 32 is adapted close to the side of leading screw 51 with chute 312, makes insertion section 32 can be along perpendicular in translation part 31
Nogata is to slip.Translation part 31 is stretched out in the one end of insertion section 32 away from leading screw 51.
As shown in figure 5, the basketry shape of the substantially cylindrical of sample portion 33 is put, for placing sample.When specimen mounting 3 slide it is close
Heating furnace 2, with reference to shown in Fig. 4, the surface of heating furnace 2 can be located at by putting sample portion 33, may be inserted into heating furnace 2.Put sample portion
33 are provided with support tubes 34 with the crossover position of insertion section 32.The support tubes 34 bend L-shaped, make to put sample portion 33 with inserting
Enter portion 32 to stagger.
As depicted in figs. 1 and 2, insertion apparatus 4 includes being rotatably connected on shielded box gear shaft 41, multiple it is respectively and fixedly connected with
The insertion motor 43 that rack 42 and gear shaft 41 on each insertion section 32 rotate.With reference to shown in Fig. 5, gear shaft 41
Axis and the diameter parallel of leading screw 51, each rack 42 can engage with the gear on gear shaft 41 all the time.As shown in figure 4, insertion electricity
Machine 43 is fixed on the outer wall of isolation cabinet 8, and output shaft and the gear shaft 41 for inserting motor 43 are coaxially affixed.
As shown in Fig. 2 Heat-insulation device 6 includes the thermal insulation case 61 and multiple thermal insulative boards 62 being fixed in isolation cabinet 8.Thermal insulation
Case 61 is rectangle, and the specimen mounting 3 for not participating in experiment is shrouded wherein.The left end of thermal insulation case 61 is in the side wall of heating furnace 2
It is provided with the outlet 613 of rectangle.Leading screw 51, slide bar 52 and gear shaft 41 pass through from outlet 613.
With reference to shown in Fig. 3 and Fig. 4, thermal insulative board 62 is rectangular slab, and thermal insulative board 62 is adapted with outlet 613.Thermal insulative board 62
One fewer than the quantity of specimen mounting 3 of quantity, thermal insulative board 62 is fixed in the translation part 31 of remaining specimen mounting in addition to the specimen mounting of left side.
The position of outlet 613 is higher than the upper surface of heating furnace 2, avoids thermal insulative board 62 from being touched when being translated with specimen mounting 3 with heating furnace 2
Hit.Thermal insulative board 62 is fixed in the left side of translation part 31, as shown in fig. 7, be provided with thermal insulative board 62 allow leading screw 51, slide bar 52 and
The through hole that gear shaft 41 passes through.With reference to shown in Fig. 5, heat supply galvanic couple line is provided with one jiao of thermal insulative board 62（It is not drawn into figure）It is logical
The rectangle crossed passes through mouth 621.
As shown in figure 3, thermal insulation case 61 is towards the feeding port 611 that rectangle is provided with the side wall of cabinet door 81.With reference to shown in Fig. 5,
The surrounding of feeding port 611 is provided with gate slot 612.The rectangle material mouth door 63 for blocking feeding port 611, material mouth door are hinged with gate slot 612
63 are adapted with gate slot 612.The bottom of the relative upright side walls of gate slot 612 is provided with two relative blind holes, the blind hole it is coaxial and
Axis horizontal.The jointed shaft being adapted with the blind hole is respectively and fixedly connected with two opposing sidewalls of material mouth door 63, it is described be hinged
Axle position in the edge of material mouth door 63 and with the sides aligned parallel.As shown in Fig. 2 it is connected with support block in the side wall of thermal insulation case 61
65, support block 65 is located at the lower section of feeding port 611.With reference to shown in Fig. 3, when material mouth door 63 downwardly turns over can be with limited block 321
During abutting, and material mouth door 63 is in horizontality during abutting.
The locating piece 64 of rectangle, the rotary shaft of locating piece 64 are rotatably connected in the side wall of thermal insulation case 61 of the top of material mouth door 63
Side wall of the line perpendicular to thermal insulation case 61 towards cabinet door 81, the pivot center of locating piece 64 pass through the geometric center of locating piece 64.When
During the length direction level of locating piece 64, locating piece 64 is integrally located at the top of gate slot 612.When the length direction of locating piece 64 is vertical
When, the bottom of locating piece 64 is located at the lower section of the top surface of gate slot 612.
In use, first opening cabinet door 81, locating piece 64 is gone into horizontality, material mouth door 63 is downwardly turned over, placed
In support block 65, it would be desirable to the sample of detection is totally placed on material mouth door 63, after be sequentially arranged at and respectively put in sample portion 33, close
Feeding port 611, rotating locating blocks 64 are at vertical state, close cabinet door 81, complete preparation.Start heating dress
Put, by the temperature stabilization in heating furnace 2 at 750 DEG C or so, start translation motor 53, leading screw 51 rotates, and all specimen mountings 3 are overall
To left movement, until the surface put sample portion 33 and be located at heating furnace 2 of first specimen mounting 3, translation motor 53 are suspended, now the
Two samples are located in thermal insulation case 61, and thermal insulative board 62 corresponding to second specimen mounting 3 shuts thermal insulation case 61, start insertion motor
43, gear shaft 41 rotates, and drives all racks 42 to connect insertion section 32 and moves down, and will put sample directly over heating furnace 2
Portion 33 is inserted in heating furnace 2, and insertion motor 43 suspends, and is tested according to national standard method, and specimen temperature is detected by thermocouple,
Observing sample by peephole 7 makes no burning, completes the detection of first sample, and insertion motor 43 inverts, and makes all to put sample portion
33 motions upwards, the sample detected remove heating furnace 2, and insertion motor 43 suspends, starts translation motor 53, make all specimen mountings
3 is overall towards left movement, makes the surface put sample portion 33 and be located at heating furnace 2 of second specimen mounting 3, using with first sample
Identical mode detects to second sample, and repeating aforementioned process after the detection for completing all samples, will close heating dress
Put, wait in heating furnace 2 and cooling down, translation motor 53 inverts, all specimen mountings 3 are moved back in thermal insulation case 61, opens cabinet door 81, turns
Dynamic locating piece 64 opens material mouth door 63, sample is taken out to horizontal level.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (8)
1. a kind of building materials non-combustibility test device, including support (1), be fixed on support (1) heating furnace (2), be fixed in plus
The internal heater of hot stove (2), specimen mounting (3), the insertion apparatus (4) that specimen mounting (3) is inserted in heating furnace (2) and set
Put the peephole (7) above heater box, it is characterised in that：Specimen mounting (3) be provided with it is multiple and above the heating furnace (2) along level
Direction is slided, in addition to the translating device (5) that driving specimen mounting (3) slides, and what specimen mounting (3) included being connected with support (1) puts down
Shifting portion (31), with translation part (31) insertion section (32) that is fixedly connected of sliding and be fixed in insertion section (32) bottom put sample
Portion (33), insertion section (32) are relative to translation part (31) along vertical sliding；Also include Heat-insulation device (6), Heat-insulation device (6) includes
Thermal insulative board (62) on thermal insulation case (61) and affixed translation part (31), thermal insulation case (61) are provided with close to one end of heating furnace (2)
Export (613)；Thermal insulation case (61) shrouds the specimen mounting (3) for not participating in overtesting wherein, thermal insulative board (62) and outlet (613)
It is adapted and positioned at specimen mounting (3) close to one end of heating furnace (2).
2. building materials non-combustibility test device according to claim 1, it is characterised in that：Insertion apparatus (4) include relative to
Gear shaft (41), multiple racks (42) being respectively and fixedly connected on each insertion section (32) and the gear shaft that support (1) rotates
(41) the insertion motor (43) rotated, the axis of gear shaft (41) is parallel with the glide direction of translation part (31), gear shaft (41)
Engaged with each rack (42).
3. building materials non-combustibility test device according to claim 1, it is characterised in that：Also include shrouding support (1), sample
The isolation cabinet (8) of frame (3) and heating furnace (2), isolation cabinet (8) are provided with transparent observation window (82), and peephole (7) is fixed in
Isolate the top of cabinet (8).
4. building materials non-combustibility test device according to claim 3, it is characterised in that：Put sample portion (33) and insertion section (32)
The transition portion bending of connection, makes to put projection of the sample portion (33) in insertion section (32) bottom surface and falls in insertion section (32) and translation part
(31) outside scope.
5. building materials non-combustibility test device according to claim 3, it is characterised in that：Translating device (5) is included with isolating
The translation electricity that leading screw (51), the slide bar (52) affixed with isolating cabinet (8) and the driving leading screw (51) of cabinet (8) rotation connection rotate
Machine (53), each translation part (31) is threadedly coupled with leading screw (51) and the spacing of adjacent translation part (31) is identical, translation part (31)
On be provided with the through hole being adapted with slide bar (52).
6. building materials non-combustibility test device according to claim 1, it is characterised in that：It is provided with and passes through on thermal insulative board (62)
Hole (322), the line of thermocouple can pass through from by hole (322).
7. building materials non-combustibility test device according to claim 1, it is characterised in that：It is provided with the side wall of thermal insulation case (61)
Feeding port (611), material mouth door (63) is hinged with the side wall of feeding port (611).
8. building materials non-combustibility test device according to claim 7, it is characterised in that：The hinge axes water of material mouth door (63)
It is flat and be located at the edge of material mouth door (63) on the lower, be connected with limited block (321) in the side wall of thermal insulation case (61), material mouth door (63) to
Lower upset abuts with limited block (321)；When material mouth door (63) abuts with limited block (321), material mouth door (63) is in horizontal
State.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720977106.6U CN207051221U (en) | 2017-08-03 | 2017-08-03 | A kind of building materials non-combustibility test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720977106.6U CN207051221U (en) | 2017-08-03 | 2017-08-03 | A kind of building materials non-combustibility test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207051221U true CN207051221U (en) | 2018-02-27 |
Family
ID=61498376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720977106.6U Expired - Fee Related CN207051221U (en) | 2017-08-03 | 2017-08-03 | A kind of building materials non-combustibility test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN207051221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985820A (en) * | 2019-11-27 | 2020-04-10 | 滁州市朝友精密制造有限公司 | Multifunctional protection box for electromechanical equipment |
-
2017
- 2017-08-03 CN CN201720977106.6U patent/CN207051221U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110985820A (en) * | 2019-11-27 | 2020-04-10 | 滁州市朝友精密制造有限公司 | Multifunctional protection box for electromechanical equipment |
| CN110985820B (en) * | 2019-11-27 | 2021-04-30 | 滁州市朝友精密制造有限公司 | Multifunctional protection box for electromechanical equipment |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 Termination date: 20190803 |
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| CF01 | Termination of patent right due to non-payment of annual fee |