CN204872028U - Urea case lid - Google Patents

Urea case lid Download PDF

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Publication number
CN204872028U
CN204872028U CN201520474583.1U CN201520474583U CN204872028U CN 204872028 U CN204872028 U CN 204872028U CN 201520474583 U CN201520474583 U CN 201520474583U CN 204872028 U CN204872028 U CN 204872028U
Authority
CN
China
Prior art keywords
case lid
urea
permeable plate
cover body
air permeable
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 - Fee Related
Application number
CN201520474583.1U
Other languages
Chinese (zh)
Inventor
王瑞
王远景
王奉双
于佳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weichai Power Co Ltd
Weichai Power Emission Solutions Technology Co Ltd
Original Assignee
Weichai Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Weichai Power Co Ltd filed Critical Weichai Power Co Ltd
Priority to CN201520474583.1U priority Critical patent/CN204872028U/en
Application granted granted Critical
Publication of CN204872028U publication Critical patent/CN204872028U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Closures For Containers (AREA)

Abstract

The utility model relates to an urea case technical field provides an urea case lid, including the case lid body, prevent losing chain card and gas permeable plate, the case lid body is equipped with T type head and T type head and the ring channel that case lid body up end formed, prevents losing the chain card and overlaps T type head and assemble in the ring channel, gas permeable plate installs and combines one end, the last a plurality of bleeder vent that is equipped with of gas permeable plate at urea case lid with the urea case, one end that the case lid body is close to T type head is equipped with the case lid gas pocket of a plurality of and the air guide chamber intercommunication of case lid body, this internal follow of case lid the case lid gas pocket begins to extend to the installation gas permeable plate's one end is equipped with multicavity mechanism, multicavity mechanism with case lid gas pocket, bleeder vent intercommunication, the fastening that realizes preventing losing the chain card has improved whole urea case lid's tensile strength, simultaneously, adopts multicavity mechanism to realize ventilative and waterproof function, simple structure, the preparation is convenient.

Description

A kind of urea case lid
Technical field
The utility model belongs to urea box technical field, particularly relates to a kind of urea case lid.
Background technology
Urea case lid structural shape is varied, mainly contains three kinds of structures at present, is specially:
(1) the first: do not possess the urea lid of airing function structure with anti-lost chain
Its anti-lost chain and urea case lid connecting portion are positioned at the side of urea case lid, easily not easily rotate by the interference of anti-lost chain position, and the urea case lid of this structure are not because possessing airing function, easily causes urea box to block in urea case lid rotary course;
(2) the second: with the urea case lid of anti-lost chain and airing function
The anti-lost chain of this structure is positioned at the top of urea case lid, can conveniently rotate, its anti-lost chain and urea case lid rotate to block by one and are connected, and sealed by seal ring, affect by assembling between the two, overall tensile strength is not high, easy generation blocking pulls, ruptures, its airing function realizes by the film of one deck permeable watertight, but there is outside rainwater and enter case lid inside by plug for seal circle place, airing function can be caused to lose efficacy the risk of (rainwater envelope gas), finally cause urea box to be heated bulging;
(3) the third: the urea case lid not possessing airing function with anti-lost chain
The drawback of the urea case lid of this structure is easy loss, and easily causes urea box to be heated bulging.
Utility model content
The purpose of this utility model is to provide that a kind of structure is simple, integral structure tensile strength is high and the urea case lid of ventilative non-overflow.
The utility model is achieved in that a kind of urea case lid, and described urea case lid comprises box cover body, anti-lost chain card and air permeable plate, wherein:
Described box cover body is provided with the circular groove that T connector portion and described T connector portion and described box cover body upper surface are formed, and described anti-lost chain card sleeve is crossed described T connector portion and is assembled in described circular groove;
Described air permeable plate is arranged on described urea case lid with urea box in conjunction with one end, and described air permeable plate is provided with several breather holes;
Described box cover body is provided with several case lid pores be communicated with the air guide chamber of box cover body near the one end in described T connector portion, from described case lid pore, extend to the one end of installing described air permeable plate in described box cover body and be provided with multi-cavity mechanism, described multi-cavity mechanism is communicated with described case lid pore, breather hole.
As a kind of improved plan, between described T connector portion and described anti-lost chain card, be provided with the snap ring clamping described anti-lost chain card.
As a kind of improved plan, described snap ring is provided with the opening of 30 degree.
As a kind of improved plan, the bearing of trend of described case lid pore is mutually vertical with the bearing of trend of described breather hole.
As a kind of improved plan, described multi-cavity mechanism is stepped labyrinth mechanism.
As a kind of improved plan, described multi-cavity mechanism is less than near described air permeable plate cavity size near the cavity size of described case lid pore.
As a kind of improved plan, between the sealed step of described box cover body and urea box mouth, be provided with seal ring.
As a kind of improved plan, the mode that described air permeable plate is rotated by buckle is connected with described box cover body, and described air permeable plate is provided with triangle projection near urea box side.
As a kind of improved plan, the side that described air permeable plate is positioned at described multi-cavity mechanism is provided with circular protrusions.
As a kind of improved plan, described breather hole is arranged on the boundary position of described air permeable plate, and corresponding with the boundary position of described multi-cavity mechanism.
Because urea case lid comprises box cover body, anti-lost chain card and air permeable plate, box cover body is provided with the circular groove that T connector portion and T connector portion and box cover body upper surface are formed, and anti-lost chain card sleeve is crossed T connector portion and is assembled in circular groove; Air permeable plate is arranged on urea case lid with urea box in conjunction with one end, and air permeable plate is provided with several breather holes; Box cover body is provided with several case lid pores be communicated with the air guide chamber of box cover body near the one end in T connector portion, from described case lid pore, extend to the one end of installing described air permeable plate in box cover body and be provided with multi-cavity mechanism, multi-cavity mechanism is communicated with described case lid pore, breather hole, realize the fastening of anti-lost chain card, improve the tensile strength of overall urea case lid, meanwhile, adopt multi-cavity mechanism to realize ventilative and waterproof function, structure is simple, easy to make.
Accompanying drawing explanation
Fig. 1 is the structural representation of the urea case lid that the utility model embodiment one provides;
Fig. 2 be the utility model embodiment two provide structural representation;
Fig. 3 and Fig. 4 is the structural representation of the air permeable plate that the utility model provides;
Wherein, 1-box cover body, the anti-lost chain card of 2-, 3-air permeable plate, 4-T type head, 5-circular groove, 6-breather hole, 7-case lid pore, 8-multi-cavity mechanism, 9-air guide chamber, 10-snap ring, 11-sealed step, 12-seal ring, 13-triangle projection, 14-circular protrusions.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the structural representation of the urea case lid that the utility model provides, and for convenience of explanation, only gives the part relevant to the utility model in figure.
Urea case lid comprises box cover body 1, anti-lost chain card 2 and air permeable plate 3, wherein:
Box cover body 1 is provided with the circular groove 5 that T connector portion 4 and T connector portion 4 and box cover body 1 upper surface are formed, and anti-lost chain card 2 overlapped T connector portion 4 and is assembled in circular groove 5;
Air permeable plate 3 is arranged on urea case lid with urea box in conjunction with one end, and air permeable plate 3 is provided with several breather holes 6;
Box cover body 1 is provided with several case lid pores 7 be communicated with the air guide chamber 9 of box cover body 1 near the one end in T connector portion 4, from case lid pore 7, extend to the one end of installing air permeable plate 3 in box cover body 1 be provided with multi-cavity mechanism 8, multi-cavity mechanism 8 is communicated with case lid pore 7, breather hole 6.
Wherein, this box cover body 1 global formation, overall tensile strength is higher, and the setting in this T connector portion 4 is convenient to assemble this anti-lost chain card 2, and this anti-lost chain card 2 can adopt general steel plate material, and it overlapped T connector portion 4 and is assembled in circular groove 5.
In this embodiment, as shown in Figure 1, when anti-lost chain card 2 is assembled in circular groove 5, can be clamped by snap ring 10, that is, between T connector portion 4 and anti-lost chain card 2, be provided with the snap ring 10 clamping anti-lost chain card 2, this snap ring 10 can adopt spring steel material, it has certain elasticity, and it can arrange the opening of 30 degree.
In the utility model, the quantity of the case lid pore 7 that this box cover body 1 is arranged near T connector portion 4 can arrange four, the bearing of trend of this case lid pore 7 is mutually vertical with the bearing of trend of breather hole 6, avoids outside rainwater, dust etc. and directly enters in urea box.
Wherein, above-mentioned multi-cavity mechanism 8 is stepped labyrinth mechanism, and particularly, multi-cavity mechanism 8 is less than near air permeable plate 3 cavity size near the cavity size of case lid pore 7, can certainly adopt other modes.
Known with reference to figure 1; above-mentioned casing pore, multi-cavity mechanism 8 and breather hole 6 are interconnected; after urea case lid is tightened; in urea box, heated gas line enters multi-cavity mechanism 8 by breather hole 6; then the case lid pore 7 of box cover body 1 is entered; discharge through air guide chamber 9, protection urea box expands because the case internal gas pressure that is heated raises and is out of shape.
As shown in Figure 1, seal ring 12 is provided with between the sealed step 11 of box cover body 1 and urea box mouth, that is: box cover body 1 is by seal ring 12 and urea box mouth fitted seal, by sealed step and urea box mouth crush seal circle 12, realizes the requirement of urea case lid integral sealing.
As shown in Figures 2 and 3, the mode that air permeable plate 3 is rotated by buckle is connected with box cover body 1, air permeable plate 3 is provided with triangle projection 13 near urea box side, and above-mentioned box cover body 1 is provided with the structure that the snap device that arranges with air permeable plate 3 edge adapts, and connects with the buckle realizing both;
Wherein, the setting of this triangle projection 13, when assembling this air permeable plate 3 for operating personal, uses, fast convenient.
As shown in Figure 4, the side that air permeable plate 3 is positioned at multi-cavity mechanism 8 is provided with circular protrusions 14, ensure that the urea of leaping up from breather hole 6 can not deposit at air permeable plate 3, but flow in urea box by the breather hole 6 of air permeable plate 3 and the tolerance clearance between air permeable plate 3 and box cover body 1.
As shown in Figure 3, breather hole 6 is arranged on the boundary position of air permeable plate 3, and it is corresponding with the boundary position of multi-cavity mechanism 8, when urea liquid is upper leaping up, first urea liquid collides with the edge of the multi-cavity mechanism 8 in box cover body 1, this multi-cavity mechanism 8 adopts ladder to shrink, and actv. stops on urea liquid leaps up.
The urea case lid that the utility model provides has following technique effect:
(1) the T connector portion 4 be connected with anti-lost chain card 2 and box cover body 1 are formed in one structure, and overall tensile strength is high, rotates convenient, flexible, avoid the anti-lost chain of package assembly pattern to pull, situation of breaking occurs;
(2) the utility model avoids the barrier film adopting permeable watertight function, but adopt ladder multi-cavity structure to realize, this ventilating structure reliability is high, not easily block, avoid outside rainwater, dust enters the risk that barrier film causes airing function to lose efficacy, and on leap up enter urea lid solution by multi-cavity mechanism 8 blocking reflected, can be passed through hole and tolerance clearance returns urea box;
(3) structure is simple, and easy to make, cost is low.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

1. a urea case lid, is characterized in that, described urea case lid comprises box cover body (1), anti-lost chain card (2) and air permeable plate (3), wherein:
Described box cover body (1) is provided with the circular groove (5) that T connector portion (4) and described T connector portion (4) and described box cover body (1) upper surface are formed, and described anti-lost chain card (2) was overlapped described T connector portion (4) and is assembled in described circular groove (5);
Described air permeable plate (3) is arranged on described urea case lid with urea box in conjunction with one end, and described air permeable plate (3) is provided with several breather holes (6);
Described box cover body (1) is provided with several case lid pores (7) be communicated with the air guide chamber (9) of box cover body (1) near one end of described T connector portion (4), from described case lid pore (7), extend to the one end of installing described air permeable plate (3) in described box cover body (1) be provided with multi-cavity mechanism (8), described multi-cavity mechanism (8) is communicated with described case lid pore (7), breather hole (6).
2. urea case lid according to claim 1, is characterized in that, is provided with the snap ring (10) clamping described anti-lost chain card (2) between described T connector portion (4) and described anti-lost chain card (2).
3. urea case lid according to claim 2, is characterized in that, described snap ring (10) is provided with the opening of 30 degree.
4. urea case lid according to claim 1, is characterized in that, the bearing of trend of described case lid pore (7) is mutually vertical with the bearing of trend of described breather hole (6).
5. urea case lid according to claim 1, is characterized in that, described multi-cavity mechanism (8) is stepped labyrinth mechanism.
6. urea case lid according to claim 5, is characterized in that, described multi-cavity mechanism (8) is less than near described air permeable plate (3) cavity size near the cavity size of described case lid pore (7).
7. urea case lid according to claim 1, is characterized in that, is provided with seal ring (12) between the sealed step (11) of described box cover body (1) and urea box mouth.
8. urea case lid according to claim 1, it is characterized in that, the mode that described air permeable plate (3) is rotated by buckle is connected with described box cover body (1), and described air permeable plate (3) is provided with triangle projection (13) near urea box side.
9. urea case lid according to claim 8, is characterized in that, the side that described air permeable plate (3) is positioned at described multi-cavity mechanism (8) is provided with circular protrusions (14).
10. urea case lid according to claim 8 or claim 9, it is characterized in that, described breather hole (6) is arranged on the boundary position of described air permeable plate (3), and corresponding with the boundary position of described multi-cavity mechanism (8).
CN201520474583.1U 2015-07-04 2015-07-04 Urea case lid Expired - Fee Related CN204872028U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520474583.1U CN204872028U (en) 2015-07-04 2015-07-04 Urea case lid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520474583.1U CN204872028U (en) 2015-07-04 2015-07-04 Urea case lid

Publications (1)

Publication Number Publication Date
CN204872028U true CN204872028U (en) 2015-12-16

Family

ID=54816429

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520474583.1U Expired - Fee Related CN204872028U (en) 2015-07-04 2015-07-04 Urea case lid

Country Status (1)

Country Link
CN (1) CN204872028U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111140336A (en) * 2019-12-09 2020-05-12 河北华北柴油机有限责任公司 Water drainage blocking and loss preventing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111140336A (en) * 2019-12-09 2020-05-12 河北华北柴油机有限责任公司 Water drainage blocking and loss preventing device

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20161014

Address after: 261061 Shandong city of Weifang province high tech Zone Weihe Road No. 169

Patentee after: WEICHAI POWER AIR PURIFICATION TECHNOLOGY Co.,Ltd.

Address before: 261061 Shandong city in Weifang province Fu hi tech Industrial Development Zone, East Street No. 197

Patentee before: WEICHAI POWER Co.,Ltd.

TR01 Transfer of patent right

Effective date of registration: 20180904

Address after: 261061 No. 197, Fu Shou street, hi tech Industrial Development Zone, Weifang, Shandong.

Co-patentee after: WEICHAI POWER AIR PURIFICATION TECHNOLOGY Co.,Ltd.

Patentee after: WEICHAI POWER Co.,Ltd.

Address before: 261061 No. 169 Weifang Road, hi tech Zone, Weifang, Shandong

Patentee before: WEICHAI POWER AIR PURIFICATION TECHNOLOGY Co.,Ltd.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151216