CN210370940U

CN210370940U - Spring support for supporting EGRC of long core body

Info

Publication number: CN210370940U
Application number: CN201920807671.7U
Authority: CN
Inventors: 周莉敏; 王铁兵; 王平
Original assignee: Modine Puxin Thermal Systems Jiangsu Co ltd
Current assignee: Modine Puxin Thermal Systems Jiangsu Co ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-04-21
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a spring support for supporting EGRC of long core belongs to engine accessories technical field, which comprises a housin, the internally mounted of casing has first heat transfer pipe group and second heat transfer pipe group, first heat transfer pipe group and second heat transfer pipe group are located the inside both sides of casing, first heat transfer pipe group and second heat transfer pipe group all comprise the multiunit heat exchange tube, first heat transfer pipe group and second heat transfer pipe group are connected through the connecting strip, the outside of connecting strip is provided with the multiunit spring leaf, and its spring leaf is located the outside of first heat transfer pipe group and second heat transfer pipe group. The utility model discloses an install the spring leaf additional in the middle part of first heat exchange pipe group and second heat exchange pipe group and support, can make first heat exchange pipe group and second heat exchange pipe group and the distance of casing keep relatively stable to the welding point that reduces the strong point at two and first heat exchange pipe group, second heat exchange pipe group itself causes stress, in order to increase EGRC's life.

Description

Spring support for supporting EGRC of long core body

Technical Field

The utility model relates to an engine accessories technical field specifically is a spring support for supporting EGRC of long core.

Background

An Exhaust Gas Recirculation Cooler (EGRC) is a device for cooling part of exhaust gas returning to an engine cylinder, usually, the exhaust gas is introduced from a cooling core body, cooling water is introduced into a shell body to take away heat of the exhaust gas, the EGRC of a heavy-duty engine has a long core body, two ends of the core body are fixed, the middle part of the core body has the largest displacement when being vibrated, and stress can be caused to supporting points at the two ends and welding points of the core body, so that the instability of the core body is caused, and the service life of the EGRC is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that when the middle part of the core body is vibrated, the displacement is maximum, stress can be caused to the supporting points at two ends and the welding points of the core body, the core body is unstable, and the service life of the EGRC is shortened, the spring support for supporting the EGRC of the long core body is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the spring support for supporting the EGRC of the long core comprises a shell, wherein a first heat exchange pipe group and a second heat exchange pipe group are arranged inside the shell, the first heat exchange pipe group and the second heat exchange pipe group are located on two sides inside the shell, the first heat exchange pipe group and the second heat exchange pipe group are composed of a plurality of heat exchange pipes, the first heat exchange pipe group and the second heat exchange pipe group are connected through a connecting strip, a plurality of groups of spring pieces are arranged on the outer side of the connecting strip, and the spring pieces are located on the outer sides of the first heat exchange pipe group and the second heat exchange pipe group.

Preferably, the both sides of spring leaf all are provided with the draw-in groove, the both sides of connecting strip all are provided with the multiunit and draw-in groove mutually supporting's fixture block, the connecting strip passes through fixture block and draw-in groove with the spring leaf and can dismantle the connection.

Preferably, the first heat exchange tube group and the second heat exchange tube group are long cores, and the arrangement cross section of the tubes of the first heat exchange tube group and the second heat exchange tube group is circular, square, oval and the like.

Preferably, the spring piece is in interference fit with the inner wall of the shell.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an install the spring leaf additional in the middle part of first heat exchange pipe group and second heat exchange pipe group and support, can make first heat exchange pipe group and second heat exchange pipe group and the distance of casing keep relatively stable to the welding point that reduces the strong point at two and first heat exchange pipe group, second heat exchange pipe group itself causes stress, in order to increase EGRC's life.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a connection structure of the first heat exchange tube set and the second heat exchange tube set of the present invention;

fig. 3 is a schematic structural view of the spring plate of the present invention.

In the figure: 1. a housing; 2. a first heat exchange tube set; 3. a second heat exchange tube set; 4. a heat exchange pipe; 5. a connecting strip; 6. a spring plate; 7. mounting blocks; 8. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a spring support for supporting an EGRC of a long core comprises a housing 1, a first heat exchange tube group 2 and a second heat exchange tube group 3 are mounted inside the housing 1, the first heat exchange tube group 2 and the second heat exchange tube group 3 are located on two sides inside the housing 1, the first heat exchange tube group 2 and the second heat exchange tube group 3 are both composed of multiple sets of heat exchange tubes 4, the first heat exchange tube group 2 and the second heat exchange tube group 3 are connected through a connecting strip 5, multiple sets of spring pieces 6 are arranged outside the connecting strip 5, the spring pieces 6 are located outside the first heat exchange tube group 2 and the second heat exchange tube group 3, multiple sets of mounting blocks 7 are connected outside the housing 1, through holes 8 are formed inside the mounting blocks 7, bolts are used for penetrating through the through holes 8 inside the mounting blocks 7, so that the housing 1 can be mounted and dismounted conveniently, the heat exchange tubes 4 are long cores, the cross sections of the heat exchange tubes 4 are circular, and the heat, Square, oval and the like, which is convenient for people to use.

In the embodiment, the spring pieces 6 surround the outer sides of the first heat exchange tube group 2 and the second heat exchange tube group 3 to elastically support the first heat exchange tube group 2 and the second heat exchange tube group 3, so that the distances between the first heat exchange tube group 2 and the second heat exchange tube group 3 and the shell 1 can be kept relatively stable, stress on supporting points at two ends and welding points of the heat exchange tubes 4 are reduced, and the service life of the EGRC is prolonged.

Please refer to fig. 2 and fig. 3, two sides of the spring plate 6 are provided with a plurality of slots, two sides of the connecting strip 5 are provided with a plurality of sets of locking blocks cooperating with the slots, and the connecting strip 5 and the spring plate 6 are detachably connected through the locking blocks and the slots.

The utility model discloses in, do not be on the fixture block with spring leaf 6 through the draw-in groove, the convenience is brought the facility to the installation and the dismantlement of spring leaf 6, the use of giving the staff, makes things convenient for people to operate.

The working principle is as follows: through letting in waste gas in the inside of heat exchange tube 4, and let in cooling water at the end of intaking of casing 1, flow in the inside of casing 1 through cooling water, in order to take away the heat of waste gas, realize EGRC's heat transfer function, and block spring leaf 6 on the fixture block through the draw-in groove, in order to install multiunit spring leaf 6 in the outside of connecting strip 5, make spring leaf 6 enclose in the outside of first heat exchange tube group 2 and second heat exchange tube group 3, in order to carry out elastic support to heat exchange tube 4, spring leaf 6 makes first heat exchange tube group 2 and second heat exchange tube group 3 and casing 1's distance relatively stable, in order to prevent that first heat exchange tube group 2 and second heat exchange tube group 3 from receiving vibrations and leading to the device impaired, extension EGRC's life.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A spring support for an EGRC supporting a long core, comprising a housing (1), characterized in that: the heat exchanger is characterized in that a first heat exchange pipe group (2) and a second heat exchange pipe group (3) are mounted inside the shell (1), the first heat exchange pipe group (2) and the second heat exchange pipe group (3) are located on two sides of the interior of the shell (1), the first heat exchange pipe group (2) and the second heat exchange pipe group (3) are composed of a plurality of heat exchange pipes (4), the first heat exchange pipe group (2) and the second heat exchange pipe group (3) are connected through a connecting strip (5), a plurality of groups of spring pieces (6) are arranged on the outer side of the connecting strip (5), and the spring pieces (6) are located on the outer sides of the first heat exchange pipe group (2) and the second heat exchange pipe group (3).

2. A spring support for an EGRC supporting an elongate core as claimed in claim 1, wherein: the spring leaf (6) both sides all are provided with the draw-in groove, the both sides of connecting strip (5) all are provided with the multiunit and draw-in groove mutually supporting's fixture block, connecting strip (5) can be dismantled with spring leaf (6) through fixture block and draw-in groove and be connected.

3. A spring support for an EGRC supporting an elongate core as claimed in claim 1, wherein: the first heat exchange pipe set (2) and the second heat exchange pipe set (3) are long cores, and the arrangement cross sections of the pipes of the first heat exchange pipe set (2) and the second heat exchange pipe set (3) are circular, square, oval and the like.

4. A spring support for an EGRC supporting an elongate core as claimed in claim 1, wherein: the spring piece (6) is in interference fit with the inner wall of the shell (1).