CN204021514U - Liquid storage bottle and cooling mechanism - Google Patents
Liquid storage bottle and cooling mechanism Download PDFInfo
- Publication number
- CN204021514U CN204021514U CN201420500382.XU CN201420500382U CN204021514U CN 204021514 U CN204021514 U CN 204021514U CN 201420500382 U CN201420500382 U CN 201420500382U CN 204021514 U CN204021514 U CN 204021514U
- Authority
- CN
- China
- Prior art keywords
- bottle
- retractable member
- bottleneck
- liquid storage
- bottle cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 65
- 238000001816 cooling Methods 0.000 title claims abstract description 39
- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 239000010410 layer Substances 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002826 coolant Substances 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 5
- 239000002356 single layer Substances 0.000 claims description 4
- 206010053615 Thermal burn Diseases 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 229910000896 Manganin Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001120 nichrome Inorganic materials 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003254 anti-foaming effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Closures For Containers (AREA)
Abstract
A kind of liquid storage bottle and a kind of cooling mechanism, wherein, described liquid storage bottle comprises: bottle, and described bottle has bottleneck, and the arranged outside of described bottleneck has outside thread, and the open end of bottleneck is provided with groove; Bottle cap, described bottle cap has top and sidewall, the inner side of described sidewall be provided with described bottleneck outside the negative thread that matches of outside thread; Retractable member, described retractable member is arranged on the inner side of described Bottle cap top, when described bottle and described bottle cap are interconnected by described outside thread and described negative thread, and when in bottle, temperature is higher than design temperature, described retractable member extends in the groove on described bottleneck, when temperature in bottle is less than or equal to described design temperature, described retractable member is positioned at outside the groove on described bottleneck.Described liquid storage bottle can be avoided opening bottle cap fast when high temperature in bottle, scalds user.
Description
Technical field
The utility model relates to mechanical field, particularly a kind of liquid storage bottle and a kind of cooling mechanism.
Background technology
Cooling system is the indispensable part of automotive engine, and it comprises circulating line, radiator, water pump and liquid storage bottle.It is circulated in a cooling system by cooling system conditioner, is taken away by the unnecessary heat energy produced, driving engine is operated with normal working temperature in engine operation.The effect of liquid storage bottle is the change of expanding with heat and contract with cold of buffering cooling system conditioner, carries out gas-liquid separation, to eliminate the resistance produced in cooling system, simultaneously for radiator supplements cooling system conditioner, thus improves circulation and the cooling performance of cooling system conditioner, improves the heat-sinking capability of radiator.
In normal vehicle traveling process, the range of temperatures of engine coolant is 80 ~ 105 degrees Celsius.In extreme circumstances, its temperature can more than 110 degrees Celsius.Usually cruise in process at express highway, the range of temperatures of cooling system conditioner is 90 ~ 95 degrees Celsius.If the temperature of cooling system conditioner is higher than 100 degrees Celsius, when opening cooling mechanism lid, the water in cooling system conditioner can seethe with excitement and produce high-temperature steam, unfavorable to user, such as, scald user.
In prior art, usually reduce its adverse effect brought by forming significant safety warning information on cooling system conditioner lid.But, because user can not know the temperature of cooling system conditioner in liquid storage bottle, still likely scalded by high-temperature steam when opening liquid storage bottle lid.
Utility model content
The problem that the utility model solves is, how to avoid too fast opening cooling system conditioner lid and cause high-temperature steam to scald user.
For solving the problem, the utility model provides a kind of liquid storage bottle, and described liquid storage bottle comprises: bottle, and described bottle has bottleneck, and the arranged outside of described bottleneck has outside thread, and the open end of bottleneck is provided with groove; Bottle cap, described bottle cap has top and sidewall, the inner side of described sidewall be provided with described bottleneck outside the negative thread that matches of outside thread; Retractable member, described retractable member is arranged on the inner side of described Bottle cap top, when described bottle and described bottle cap are interconnected by described outside thread and described negative thread, and when in bottle, temperature is higher than design temperature, described retractable member extends in the groove on described bottleneck, when temperature in bottle is less than or equal to described design temperature, described retractable member is positioned at outside the groove on described bottleneck.
Alternatively, described retractable member has double-decker, comprise the first metal layer near Bottle cap top side, with the second metal level away from Bottle cap top side, the thermal expansion coefficient of described the first metal layer is greater than the thermal expansion coefficient of described second metal level, when temperature in bottle is higher than design temperature, described retractable member, to the bending extension in direction away from Bottle cap top, enters in the groove on described bottleneck.
Alternatively, described retractable member is single layer structure, and when temperature in bottle is higher than design temperature, described retractable member extends along the direction being parallel to Bottle cap top, enters in the groove on described bottleneck.
Alternatively, described retractable member is arranged in described Bottle cap top by Support bracket, and described Support bracket comprises fixed part, and retractable member is fixed in described Bottle cap top by described fixed part.
Alternatively, described Support bracket also comprises support section, and described support section supports described retractable member, and described retractable member can move in described support section.
Alternatively, the quantity of the groove of described bottleneck open end is at least one.
Alternatively, one end of described retractable member is fixed in described Bottle cap top, and the other end when in bottle, temperature is higher than described design temperature, extends in a groove on described bottleneck.
Alternatively, the quantity of the groove of described bottleneck open end is at least two, and described at least two grooves to be positioned on bottleneck opening two ends diametrically.
Alternatively, the centre portion of described retractable member is fixed in described Bottle cap top, and when in bottle, temperature is higher than described design temperature, the two ends of described retractable member extend in two grooves on described bottleneck respectively.
Corresponding, the utility model additionally provides a kind of cooling mechanism, and described cooling mechanism comprises above-mentioned liquid storage bottle, and described liquid storage bottle, for storing cooling system conditioner, the bottle of described liquid storage bottle is provided with coolant outlet and coolant entrance.
Compared with prior art, the technical solution of the utility model has the following advantages:
Liquid storage bottle of the present utility model comprises bottle and bottle cap, bottle and bottle cap is provided with the screw thread cooperatively interacted, and arranges groove on the bottleneck of bottle, the inner side of Bottle cap top is provided with retractable member.Described retractable member is when in bottle, temperature is higher than design temperature, can extend in the groove of described bottleneck, bottle cap can not rotate relative to bottle, namely bottle cap can not be opened, when temperature in bottle is less than or equal to described design temperature, described retractable member is positioned at outside the groove on described bottleneck, and bottle cap can be opened.Liquid storage bottle of the present utility model can avoid high temperature lower bottle cap to be opened fast, scalds user.
Accordingly, cooling mechanism of the present utility model also has above-mentioned advantage.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the liquid storage bottle of the utility model one embodiment;
Fig. 2 is the perspective view of the part-structure of the liquid storage bottle shown in Fig. 1;
Fig. 3 is the cross-sectional view of the part-structure of liquid storage bottle shown in Fig. 2;
Fig. 4 is the liquid storage bottle shown in Fig. 1 when temperature is higher than design temperature in bottle, the location diagram of retractable member and bottleneck upper groove;
Fig. 5 and Fig. 6 be another embodiment of the utility model liquid storage bottle respectively in bottle temperature lower than with during higher than design temperature, the location diagram of retractable member and bottleneck upper groove;
Fig. 7 and Fig. 8 be another embodiment of the utility model liquid storage bottle respectively in bottle temperature lower than with during higher than design temperature, the location diagram of retractable member and bottleneck upper groove.
Detailed description of the invention
From background technology, there is potential safety hazard when open bottle cover in the liquid storage bottle of prior art.
The utility model provides a kind of liquid storage bottle, bottle and bottle cap are threaded, by arranging groove on the bottleneck of bottle, in the inner side at the top of bottle cap, retractable member is set, described retractable member is when in bottle, temperature is higher than design temperature, can extend in the groove of described bottleneck, bottle cap can not rotate relative to bottle, namely bottle cap can not be opened, when temperature in bottle is less than or equal to described design temperature, described retractable member is positioned at outside the groove on described bottleneck, and bottle cap can be opened.In the engine cooling apparatus adopting the utility model liquid storage bottle, only just can open the lid of liquid storage bottle when the temperature of cooling system conditioner is in safe range, make described cooling system conditioner have time enough to cool, when opening lid, can not user be scalded.
For enabling above-mentioned purpose of the present utility model, feature and advantage more become apparent, and are described in detail specific embodiment of the utility model below in conjunction with accompanying drawing.
It should be noted that, provide the object of these accompanying drawings to be contribute to understanding embodiment of the present utility model, and should not be construed as and limit improperly of the present utility model.For the purpose of clearer, size shown in figure not drawn on scale, may make and amplify, to reduce or other change.
Show the liquid storage bottle of the utility model one embodiment with reference to figure 1, Fig. 1, described liquid storage bottle comprises bottle 110, bottle cap 120 and the retractable member 130 be arranged at inside described bottle cap 120.
Described bottle 110 has bottleneck 111, the material of described bottle 110 is metal, plastics or other be applicable to form the material of liquid storage bottle.The shape of described bottle 110 is cylindrical, cuboid etc., and when described bottle 110 is cylindrical, the height of described bottle 110 is 15 ~ 40 centimetres, and diameter is 5 ~ 20 centimetres.Described bottle cap has top 121 and sidewall 122, and the material of described bottle cap 120 can be also metal or plastics, and the size of its size and bottle 110 matches.The utility model does not limit the material of bottle 110, bottle cap 120 and shape.
In the present embodiment, described retractable member 130 is arranged on the side of top 121 towards bottle 110 of described bottle cap 120.Described retractable member 130 has double-decker, comprise the first metal layer (sign) near side, bottle cap 120 top 121, with the second metal level (sign) away from side, bottle cap 120 top 121, the thermal expansion coefficient of described the first metal layer is greater than described second metal level.Such as, described retractable member 130 is bimetallic plate (bimetallic strip), and the thermal expansion coefficient of the first metal layer is large, and be called active layers, the thermal expansion coefficient of the second metal level is little, is called passive layer.When the temperature increases, the expansion of active layers is greater than the expansion of passive layer, thus the entirety of bimetallic plate will, to passive layer curving, cause the curvature of bimetallic plate to change.The material of described active layers can be manganin manganin alloy, nichrome, Nicalloy and nickel etc.; The material of described passive layer can be dilver, and nickel content is 34 ~ 50%.In some other embodiment, the composite material that described retractable member 130 also can be formed for three layers, four layers with different heat expansion coefficient or more layer metallic materials, make when temperature raises, retractable member 130 can bend to the direction at bottle cap 120 top dorsad.
Referring to figs. 2 and 3, Fig. 2 is the three-dimensional structure diagram of liquid storage bottle part-structure in Fig. 1, and Fig. 3 is the cutaway view of Fig. 2, there is shown the bottle cap 120 of the liquid storage bottle of the present embodiment, bottleneck 111 and retractable member 130.
The arranged outside of described bottleneck 111 has outside thread 112, and the open end of described bottleneck 111 is provided with groove 150; The inner side of described bottle cap 120 be provided with described bottleneck 111 outside the negative thread 123 that matches of outside thread 112, described bottle cap 120 can be connected with negative thread 123 by outside thread 112 with described bottle; Described retractable member 130 is arranged on described bottle cap 120 top 121 near the side of bottleneck 111, is shown in broken lines in fig. 2.
Continue with reference to figure 3, described retractable member 130 is bar shaped, is arranged on the top 121 of described bottle cap 120 by Support bracket 140.In the present embodiment, described Support bracket 140 has fixed part 141 and support section 142, one end of described retractable member 130 is fixed in described Bottle cap top 121 by described fixed part 141, the middle part of described retractable member 130 is supported by described support section 142 and is connected with described Bottle cap top 121, and described retractable member 130 can move in described support section 142.
In the present embodiment, the quantity of the groove 150 of described bottleneck 111 open end is one.When described bottle 110 is connected with negative thread 123 by described outside thread 112 with described bottle cap 120, loose one end of described retractable member 130 is relative with the groove 150 on described bottleneck 111.Simultaneously with reference to figure 3 and Fig. 4, Fig. 3 shows temperature in bottle 110 less than or equal to the position relationship of retractable member during design temperature 130 with bottleneck 111 upper groove 150, and Fig. 4 to show in bottle 110 temperature higher than the position relationship of retractable member during described design temperature 130 with bottleneck 111 upper groove 150.In one embodiment, described design temperature is 90 degrees Celsius.That is, when temperature in bottle 110 is less than or equal to 90 degrees Celsius, retractable member 130 is positioned at outside the groove 130 on bottleneck 111, can open liquid storage bottle by rotary bottle cover 120; When temperature in bottle 110 is higher than 90 degrees Celsius, retractable member 130, namely bimetallic plate expands bending, enters within the groove 130 on bottleneck 111, is against between bottle cap 120 and bottle 110, does not open liquid storage bottle by rotary bottle cover 120.
Show the cutaway view of the liquid storage bottle for another embodiment of the utility model with reference to figure 5, Fig. 5, there is shown the bottle cap 220 of liquid storage bottle, bottleneck 211 and retractable member 230.The difference of the present embodiment and a upper embodiment is, the quantity of the groove 250 of the open end of described bottleneck 211 and retractable member 230 mounting means inside bottle cap 220 is different, and all the other same sections can with reference to the description of a upper embodiment.
In the present embodiment, described retractable member 230 is bar shaped, be arranged on the top 221 of described bottle cap 220 by Support bracket, described Support bracket has a fixed part 241 and two support sections 242, the middle part of described retractable member 230 is fixed in described Bottle cap top 221 by described fixed part 241, the two ends of described retractable member 230 are supported by described two support sections 242 and are connected with described Bottle cap top 221, and the two ends of described retractable member 230 can be moved in described two support sections 242.
In the present embodiment, the quantity of the groove 250 of described bottleneck 211 open end is two, and described two grooves 250 to be positioned on bottleneck 211 opening two ends diametrically.When described bottleneck 211 and described bottle cap 220 are threaded connection, the two ends of described retractable member 230 are relative with two grooves 250 on described bottleneck 211.Simultaneously with reference to figure 5 and Fig. 6, Fig. 5 shows temperature in liquid storage bottle less than or equal to the position relationship of retractable member during design temperature 230 with bottleneck 211 upper groove 250, retractable member 230 is positioned at outside two grooves 250 of bottleneck 211, can open liquid storage bottle by rotary bottle cover 220; Fig. 6 shows temperature in liquid storage bottle higher than the position relationship of retractable member during described design temperature 230 with two grooves 250 on bottleneck 211, the two ends of retractable member 230 expand bending, enter in two grooves 250 on bottleneck 211, be against between bottle cap 220 and bottleneck 210, do not open liquid storage bottle by bottle cap 220.
The utility model does not limit the quantity of bottleneck upper groove and the quantity of retractable member, as long as the quantity of groove is more than or equal to the quantity of the extensible end of retractable member and both positions are corresponding, when making that temperature is less than or equal to design temperature in liquid storage bottle, the free end of retractable member is positioned at outside groove, when in liquid storage bottle, temperature is higher than design temperature, the free end of retractable member extends in corresponding groove.
With reference to figure 7, Fig. 7 show another embodiment of the utility model the cutaway view of liquid storage bottle, there is shown the bottle cap 320 of liquid storage bottle, bottleneck 311 and retractable member 330.The difference of the liquid storage bottle shown in the present embodiment and Fig. 3 is, installation site and the mode of extension of described retractable member 330 are different, and all the other same sections can with reference to the description to the liquid storage bottle shown in Fig. 3.
In the present embodiment, described retractable member 330 is also bar shaped, is arranged on the top 321 of described bottle cap 320 by Support bracket 340.Described Support bracket 340 has fixed part 341 and support section 342, one end of described retractable member 330 is fixed in described Bottle cap top 321 by described fixed part 341, and the middle part of described retractable member 330 is supported by described support section 342 and is connected with described Bottle cap top 321.Compared with the installation site of the retractable member shown in Fig. 3, the installation site of the retractable member 330 of the present embodiment is substantially identical with the height of the groove 350 on bottleneck 311, described retractable member 330 is single layer structure, when temperature in liquid storage bottle is higher than design temperature, described retractable member 330 can extend in the horizontal direction, instead of bending extension, enter in groove 350.The thermal expansion coefficient of described single layer structure material is comparatively large, such as, can be copper, nickel, manganin manganin alloy, nichrome, Nicalloy or nickel etc.
The material of the utility model to retractable member does not make restriction, and the material that flexible extension or horizontal-extending enter groove when temperature raises all can be used for forming retractable member.
Accordingly, the utility model embodiment still provides a kind of cooling mechanism, and described cooling mechanism includes the liquid storage bottle described in above-described embodiment.Described liquid storage bottle is used as to store cooling system conditioner, and liquid storage bottle is arranged in the circulating path of cooling mechanism, liquid storage bottle is provided with coolant outlet and entrance, for outflow and the inflow of cooling system conditioner.Described cooling mechanism can also comprise circulating line, radiator and water pump etc.Described cooling system conditioner can be made up of, for the cooling of automotive engine water, ethylene glycol, anti-corrosion addition and or anti-foaming additive etc.
Adopt cooling mechanism of the present utility model, when in liquid storage bottle, coolant temperature is higher, during as being greater than 90 degrees Celsius, retractable member is stuck in the groove of bottleneck, can not bottle cap described in Unscrew, time only below the safety temperature that the temperature of cooling system conditioner is reduced to 90 degrees Celsius, bottle cap just can be rotated to be opened, can not high-temperature steam be produced, can not user be scalded.
Although the utility model discloses as above, the utility model is not defined in this.Any those skilled in the art, not departing from spirit and scope of the present utility model, all can make various changes or modifications, and therefore protection domain of the present utility model should be as the criterion with claim limited range.
Claims (10)
1. a liquid storage bottle, is characterized in that, comprising:
Bottle, described bottle has bottleneck, and the arranged outside of described bottleneck has outside thread, and the open end of bottleneck is provided with groove;
Bottle cap, described bottle cap has top and sidewall, the inner side of described sidewall be provided with described bottleneck outside the negative thread that matches of outside thread;
Retractable member, described retractable member is arranged on the inner side of described Bottle cap top, when described bottle and described bottle cap are interconnected by described outside thread and described negative thread, and when in bottle, temperature is higher than design temperature, described retractable member extends in the groove on described bottleneck, when temperature in bottle is less than or equal to described design temperature, described retractable member is positioned at outside the groove on described bottleneck.
2. liquid storage bottle as claimed in claim 1, it is characterized in that, described retractable member has double-decker, comprise the first metal layer near Bottle cap top side, with the second metal level away from Bottle cap top side, the thermal expansion coefficient of described the first metal layer is greater than the thermal expansion coefficient of described second metal level, when temperature in bottle is higher than design temperature, described retractable member, to the bending extension in direction away from Bottle cap top, enters in the groove on described bottleneck.
3. liquid storage bottle as claimed in claim 1, it is characterized in that, described retractable member is single layer structure, and when temperature in bottle is higher than design temperature, described retractable member extends along the direction being parallel to Bottle cap top, enters in the groove on described bottleneck.
4. liquid storage bottle as claimed in claim 1, it is characterized in that, described retractable member is arranged in described Bottle cap top by Support bracket, and described Support bracket comprises fixed part, and retractable member is fixed in described Bottle cap top by described fixed part.
5. liquid storage bottle as claimed in claim 4, it is characterized in that, described Support bracket also comprises support section, and described support section supports described retractable member, and described retractable member can move in described support section.
6. liquid storage bottle as claimed in claim 1, it is characterized in that, the quantity of the groove of described bottleneck open end is at least one.
7. liquid storage bottle as claimed in claim 6, it is characterized in that, one end of described retractable member is fixed in described Bottle cap top, and the other end when in bottle, temperature is higher than described design temperature, extends in a groove on described bottleneck.
8. liquid storage bottle as claimed in claim 1, it is characterized in that, the quantity of the groove of described bottleneck open end is at least two, and described at least two grooves to be positioned on bottleneck opening two ends diametrically.
9. liquid storage bottle as claimed in claim 8, it is characterized in that, the centre portion of described retractable member is fixed in described Bottle cap top, and when in bottle, temperature is higher than described design temperature, the two ends of described retractable member extend in two grooves on described bottleneck respectively.
10. a cooling mechanism, is characterized in that, described cooling mechanism comprises the liquid storage bottle according to any one of claim 1-9, and described liquid storage bottle, for storing cooling system conditioner, the bottle of described liquid storage bottle is provided with coolant outlet and coolant entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500382.XU CN204021514U (en) | 2014-08-29 | 2014-08-29 | Liquid storage bottle and cooling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500382.XU CN204021514U (en) | 2014-08-29 | 2014-08-29 | Liquid storage bottle and cooling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204021514U true CN204021514U (en) | 2014-12-17 |
Family
ID=52061410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420500382.XU Expired - Lifetime CN204021514U (en) | 2014-08-29 | 2014-08-29 | Liquid storage bottle and cooling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204021514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966079A (en) * | 2018-09-30 | 2020-04-07 | 北汽福田汽车股份有限公司 | Cover body structure, auxiliary water tank, vehicle and locking method of filling cover of auxiliary water tank |
-
2014
- 2014-08-29 CN CN201420500382.XU patent/CN204021514U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966079A (en) * | 2018-09-30 | 2020-04-07 | 北汽福田汽车股份有限公司 | Cover body structure, auxiliary water tank, vehicle and locking method of filling cover of auxiliary water tank |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141217 |
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| CX01 | Expiry of patent term |