CN202791039U - Flange installation structure and engine - Google Patents

Flange installation structure and engine Download PDF

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Publication number
CN202791039U
CN202791039U CN 201220439504 CN201220439504U CN202791039U CN 202791039 U CN202791039 U CN 202791039U CN 201220439504 CN201220439504 CN 201220439504 CN 201220439504 U CN201220439504 U CN 201220439504U CN 202791039 U CN202791039 U CN 202791039U
Authority
CN
China
Prior art keywords
installation structure
flange
main part
flange installation
plate
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
CN 201220439504
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Chinese (zh)
Inventor
丁吉康
曾维良
杨培林
彭贤千
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.)
Sichuan Co Ltd Of Nan Jun Automobile Group
Original Assignee
Sichuan Co Ltd Of Nan Jun Automobile Group
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 Sichuan Co Ltd Of Nan Jun Automobile Group filed Critical Sichuan Co Ltd Of Nan Jun Automobile Group
Priority to CN 201220439504 priority Critical patent/CN202791039U/en
Application granted granted Critical
Publication of CN202791039U publication Critical patent/CN202791039U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a flange installation structure which comprises a flange plate, a bent plate and a seal piece, wherein the flange plate is provided with a main part and a tubular extension part, the extension part is sleeved with the seal piece and is fixedly connected with the main part, the inner wall of the extension part surrounds the periphery of a vent hole in the middle of the main part or coincides with the edge of the vent hole, threaded holes are formed in the main part, the bent plate is provided with an installation part used for wrapping a conveyer pipe and fixed at the periphery of the conveyer pipe and a connection part fixedly connected with the installation part through a transition part, the transition part is in an external expansion shape, the connection part is provided with installation holes corresponding to the threaded holes, the connection part is fixedly connected with the main part through a plurality of bolts which are sleeved with springs, pass through the installation holes and are screwed into the threaded holes, and the seal piece is tightly abutted against the transition part. The flange installation structure can prevent the flange plate from being in contact with the bent plate tightly, and the flowing of air flow is facilitated. The utility model further provides an engine comprising the flange installation structure for an engine exhaust emission port, which is provided by the utility model.

Description

A kind of flange installation structure and a kind of motor
Technical field
The utility model relates to the Mechanical Industry Technology field, more particularly, relates to a kind of flange installation structure, also relates to a kind of motor.
Background technique
Flange installation structure is usually used in interconnecting between delivery pipe, comprise 2 flange plate that are separately fixed at first delivery pipe end and second delivery pipe end, need after between 2 flange plate seal washer being set, to adopt fixed block that two flange plate are connected during assembling.But 2 flange plate are discoid in the existing flange installation structure, adopt fixed block to connect close contact occured often, easily cause Sealing to damage, and cause pipeline to reveal.
In order to address the above problem, flange installation structure adopts the mode that seal washer is set to cross close contact to prevent 2 flange plate in the prior art, and the below introduces its structure take the flange installation structure of engine exhaust interface as example:
The waste gas that engine operation produces passes through the relief opening of motor and the suction port of venting gas appliance successively, and enter in the venting gas appliance, the relief opening of motor and the suction port of venting gas appliance are connected to form the engine exhaust interface, see also Fig. 1, the flange installation structure that is used for above-mentioned engine exhaust interface comprises: seal washer 2, discoid flange plate 1 and discoid venting gas appliance suction port flange plate 3; Wherein, the end of venting gas appliance suction port is outer expanding shape, and the mounting hole at venting gas appliance suction port flange plate 3 middle parts is corresponding with the end of above-mentioned outer expanding shape; The inside of venting gas appliance suction port is fixed with the extension tube 4 of the tubular in the vent that stretches into flange plate 1 middle part; Seal washer 2 is arranged between the end and extension tube 4 of above-mentioned outer expanding shape, its relief opening flange plate 1 be deflated mouthful flange plate 1 after venting gas appliance suction port flange plate 3 is fixedly connected with and compress.
In the flange installation structure of above-mentioned engine exhaust interface, the cross section of seal washer 2 is disc, it is line with flange plate 1 and contacts, the serious crush seal packing ring 2 of tension meeting when if relief opening flange plate 1 is fixedly connected with venting gas appliance suction port flange plate 3, make seal washer 2 gross distortions and be face with flange plate 1 to contact, be convenient to the workman and judge whether relief opening flange plate 1 and venting gas appliance suction port flange plate 3 are crossed close contact and made corresponding adjustment.But in the above-mentioned flange installation structure, extension tube 4 stretches in the through hole at flange plate 1 middle part, causes the section area of above-mentioned through hole to reduce, and causes exhaust not smooth.
In sum, how providing a kind of flange installation structure, preventing that two flange plate are crossed close contact on it, and avoid the cross sectional area of its inner passage to reduce, is those skilled in the art's problem demanding prompt solutions.
The model utility content
In view of this, the utility model provides a kind of flange installation structure, can prevent that two flange plate are crossed close contact on it, and avoid the cross sectional area of its inner passage to reduce, the utility model also provides a kind of motor of using above-mentioned flange installation structure, close contact can not occur in its relief opening flange plate and venting gas appliance suction port flange plate, and the air-flow path cross sectional area can not reduce, and is beneficial to the circulation of air-flow.
For achieving the above object, the utility model provides following technological scheme:
A kind of flange installation structure comprises:
Flange plate with extension part of main part and tubular, described extension part is fixedly connected with described main part, and the inwall of described extension part is trapped among the through hole periphery at described main part middle part or overlaps with the edge of described vent; Described main part is provided with tapped hole;
Have for coating and be fixed on the assembly department of delivery pipe periphery and the bent plate of the joint that is fixedly connected with described assembly department by transition part; Described transition part is outer expanding shape; Described joint is provided with the mounting hole corresponding with described tapped hole; Wherein, described joint is by a plurality of springs that are arranged with, and the bolt that passes in described mounting hole, the described tapped hole of screw-in is fixedly connected with described main part; With
Be set on the described extension part, near the Sealing of described transition part.
Preferably, in the above-mentioned flange installation structure, be fixed with on the described bolt for locating it and screw in the limited step of the length in the described tapped hole.
Preferably, in the above-mentioned flange installation structure, also be provided with on the described main part with described tapped hole and be connected, and the counterbore corresponding with described limited step.
Preferably, in the above-mentioned flange installation structure, the inwall of described extension part overlaps with the edge of described vent.
Preferably, in the above-mentioned flange installation structure, described assembly department, described transition part and described joint are the integral type structure; Described extension part and described main part are the integral type structure.
Preferably, in the above-mentioned flange installation structure, described Sealing is graphite seal.
Preferably, in the above-mentioned flange installation structure, the end face that contacts with described transition part on the described Sealing is arc shaped surface.
A kind of motor comprises the flange installation structure for the engine exhaust interface, and described flange installation structure is the described flange installation structure of any one in the technique scheme.
Preferably, in the above-mentioned motor, described flange plate is for being used for being fixed on the flange plate of outlet pipe end; Described bent plate is for being fixed on the bent plate of the suction tude end of air inlet system by described assembly department.
The flange installation structure that the utility model provides comprise the extension part with main part and tubular flange plate, be used for to coat and be fixed on the bent plate of delivery pipe periphery, and be set in Sealing on the above-mentioned extension part, wherein, extension part is fixedly connected with main part, and the inwall of extension part is trapped among the through hole periphery at main part middle part or overlaps with the edge of above-mentioned vent; Main part is provided with tapped hole; Bent plate has for the assembly department that coats and be fixed on the delivery pipe periphery, reaches the joint that is fixedly connected with assembly department by transition part; Transition part is outer expanding shape; Joint is provided with the mounting hole corresponding with above-mentioned tapped hole; Wherein, joint is by a plurality of springs that are arranged with, and the bolt that passes in mounting hole, the screw-in tapped hole is fixedly connected with main part; Sealing is near transition part.
In the flange installation structure that the utility model provides, to flange plate, if the tension that bolt is twisted, bent plate promotes spring and occurs than large deformation bent plate under the reaction force of Sealing by spring top, can avoid the hypotelorism of flange plate and bent plate, prevent that both from close contact occuring.Simultaneously, Sealing is set on the extension part in the flange installation structure that the utility model provides, and has avoided the through hole cross section at main part middle part to connect and has reduced, and medium can be flowed glibly.
The utility model also provides a kind of motor, comprises the flange installation structure for the engine exhaust interface, wherein, and the flange installation structure that flange installation structure provides for the utility model.
The engine application that the utility model provides the flange installation structure that provides of the utility model, flange plate is engine exhaust port flange plate or venting gas appliance suction port flange plate, accordingly, bent plate is venting gas appliance suction port flange plate or engine exhaust port flange plate.In the motor that the utility model provides, stressed joint can not occur in engine exhaust port flange plate and venting gas appliance suction port flange plate, simultaneously, can avoid the cross sectional area of the air-flow path at flange installation structure place, is beneficial to exhaust circulation.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of flange installation structure in the prior art;
The structural representation of the flange installation structure that Fig. 2 provides for the utility model embodiment;
Wherein, among Fig. 2:
Flange plate 101; Limited step 102; Spring 103; Bolt 104; Sealing 105; Bent plate 106; Joint 61; Transition part 62; Assembly department 63.
Embodiment
The utility model embodiment discloses a kind of flange installation structure of engine exhaust interface, and it can prevent that flange plate and venting gas appliance suction port flange plate from crossing close contact, and avoids the air-flow path cross section to reduce, and is convenient to flowing of air-flow.The utility model embodiment also provides a kind of motor, it has used above-mentioned flange installation structure, close contact can not occur in its relief opening flange plate and venting gas appliance suction port flange plate, and the air-flow path cross sectional area can not reduce, and is beneficial to the circulation of air-flow.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 2, the flange installation structure that the utility model embodiment provides comprise the extension part with main part and tubular flange plate 101, be used for to coat and be fixed on the bent plate 106 of delivery pipe periphery, and be set in Sealing 105 on the above-mentioned extension part, wherein, extension part is fixedly connected with main part, and the inwall of extension part is trapped among the through hole periphery at main part middle part or overlaps with the edge of above-mentioned vent; Main part is provided with tapped hole; Bent plate 106 has for the assembly department 63 that coats and be fixed on the delivery pipe periphery, reaches the joint 61 that is fixedly connected with assembly department 63 by transition part 62; Transition part 62 is outer expanding shape; Joint 61 is provided with the mounting hole corresponding with above-mentioned tapped hole; Wherein, joint 61 is arranged with spring 103 by a plurality of, and the bolt 104 that passes in mounting hole, the screw-in tapped hole is fixedly connected with main part; Sealing 105 is near transition part 62.
In the flange installation structure that the utility model provides, bent plate 106 is pushed up to flange plate 101 by spring 103, if the tension that bolt 104 is twisted, bent plate 106 promotes spring 103 and occurs than large deformation under the reaction force of Sealing 105, can avoid the hypotelorism of flange plate 101 and bent plate 106, prevent that both from close contact occuring.Simultaneously, in the flange installation structure that the utility model embodiment provides, Sealing 105 is set on the extension part, has avoided the through hole cross section at main part middle part to connect and has reduced, and medium can be flowed glibly.
Concrete, in the flange installation structure that above-described embodiment provides, the inwall of extension part overlaps with the edge of vent, and namely the inwall of extension part overlaps with the wall of vent.
Preferably, in the flange installation structure that above-described embodiment provides, be fixed with the limited step 102 for the length in its screw-in tapped hole of location on the bolt 104.During assembling, bolt 104 is screwed to when spacing, and the stroke of spring 103 compressions immobilizes, and the decrement of the spring 103 on each bolt 104 equates, make flange plate 101 and bent plate 106 stressed constant everywhere, prevent flange plate 101 and bent plate 103 connecting end surface discontinuity equalizations and cause leaking.During application, can adopt according to actual needs the suitable stage clip of rigidity and the contact of the bolt 104 that is of convenient length with control Sealing 105.
Concrete, in the flange installation structure that above-described embodiment provides, also be provided with tapped hole on the main part and be connected, and the counterbore corresponding with limited step 102.
Further, in the flange installation structure that above-described embodiment provides, assembly department 63, transition part 62 and joint 61 are the integral type structure; Extension part and main part are the integral type structure.
In the flange installation structure that above-described embodiment provides, Sealing 105 is graphite seal, and the end face that contacts with transition part 62 on it is arc shaped surface.
The utility model embodiment also provides a kind of motor, comprises the flange installation structure for the engine exhaust interface, wherein, and the flange installation structure that above-mentioned flange installation structure provides for above-described embodiment.
Concrete, bent plate 106 can be set to be fixed on the bent plate at engine exhaust port place, and corresponding, flange plate 101 is set to be fixed on the flange plate at venting gas appliance suction port place; Preferably, bent plate is set to be fixed on the bent plate at venting gas appliance suction port place, and corresponding, flange plate is set to be fixed on the flange plate at engine exhaust port place.
The engine application that the utility model embodiment provides the flange installation structure that provides of above-described embodiment, flange plate 101 is engine exhaust port flange plate or venting gas appliance suction port flange plate, accordingly, bent plate 106 is venting gas appliance suction port flange plate or engine exhaust port flange plate.In the motor that the utility model embodiment provides, stressed joint can not occur in engine exhaust port flange plate and venting gas appliance suction port flange plate, simultaneously, can avoid the cross sectional area of the air-flow path at flange installation structure place, is beneficial to exhaust circulation.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and other embodiments' difference that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (9)

1. a flange installation structure is characterized in that, comprising:
Flange plate with extension part of main part and tubular, described extension part is fixedly connected with described main part, and the inwall of described extension part is trapped among the through hole periphery at described main part middle part or overlaps with the edge of described vent; Described main part is provided with tapped hole;
Have for coating and be fixed on the assembly department of delivery pipe periphery and the bent plate of the joint that is fixedly connected with described assembly department by transition part; Described transition part is outer expanding shape; Described joint is provided with the mounting hole corresponding with described tapped hole; Wherein, described joint is by a plurality of springs that are arranged with, and the bolt that passes in described mounting hole, the described tapped hole of screw-in is fixedly connected with described main part; With
Be set on the described extension part, near the Sealing of described transition part.
2. flange installation structure according to claim 1 is characterized in that, is fixed with on the described bolt for locating it and screws in the limited step of the length in the described tapped hole.
3. flange installation structure according to claim 2 is characterized in that, also be provided with on the described main part with described tapped hole to be connected, and the counterbore corresponding with described limited step.
4. flange installation structure according to claim 1 is characterized in that, the inwall of described extension part overlaps with the edge of described vent.
5. flange installation structure according to claim 1 is characterized in that, described assembly department, described transition part and described joint are the integral type structure; Described extension part and described main part are the integral type structure.
6. flange installation structure according to claim 1 is characterized in that, described Sealing is graphite seal.
7. flange installation structure according to claim 1 is characterized in that, the end face that contacts with described transition part on the described Sealing is arc shaped surface.
8. a motor comprises for the flange installation structure of engine exhaust interface, it is characterized in that, described flange installation structure is the described flange installation structure of claim 1-7 any one.
9. motor according to claim 8 is characterized in that, described flange plate is for being used for being fixed on the flange plate of outlet pipe end; Described bent plate is for being fixed on the bent plate of the suction tude end of air inlet system by described assembly department.
CN 201220439504 2012-08-31 2012-08-31 Flange installation structure and engine Expired - Fee Related CN202791039U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220439504 CN202791039U (en) 2012-08-31 2012-08-31 Flange installation structure and engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220439504 CN202791039U (en) 2012-08-31 2012-08-31 Flange installation structure and engine

Publications (1)

Publication Number Publication Date
CN202791039U true CN202791039U (en) 2013-03-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220439504 Expired - Fee Related CN202791039U (en) 2012-08-31 2012-08-31 Flange installation structure and engine

Country Status (1)

Country Link
CN (1) CN202791039U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104912689A (en) * 2015-06-27 2015-09-16 奇瑞商用车(安徽)有限公司 Sealing structure of vehicle exhaust system and sealing method
CN105408580A (en) * 2013-05-30 2016-03-16 通用电气石油和天然气压力控制有限公司 Combination fluid pumping sub and hanger lockdown tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105408580A (en) * 2013-05-30 2016-03-16 通用电气石油和天然气压力控制有限公司 Combination fluid pumping sub and hanger lockdown tool
CN105408580B (en) * 2013-05-30 2017-08-29 通用电气石油和天然气压力控制有限公司 Composite fluid pumps joint and hanger locking tool
CN104912689A (en) * 2015-06-27 2015-09-16 奇瑞商用车(安徽)有限公司 Sealing structure of vehicle exhaust system and sealing method

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130313

Termination date: 20170831

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