CN215256515U

CN215256515U - Engine EGR support of multiple protection

Info

Publication number: CN215256515U
Application number: CN202121637610.4U
Authority: CN
Inventors: 沈健豪; 钟元民; 杨跃鹏; 朱夕崴; 魏新立
Original assignee: Hangzhou Deman Auto Spare Parts Co ltd
Current assignee: Hangzhou Deman Auto Spare Parts Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-12-21
Anticipated expiration: 2031-07-19

Abstract

The utility model discloses an engine EGR support with multiple protections, which comprises a fixed plate, wherein the fixed plate is a mounting base of the whole support, and lug plates are symmetrically fixed on the side edges of the fixed plate; the adjustable shelf, symmetry sliding connection be in the fixed plate, and be fixed with the layer board of arc structure on the adjustable shelf and realize the supporting role to the adjustable shelf passes through the solid fixed ring interconnect in column axle and rotatable left side, and the adjustable shelf passes through the solid fixed ring interconnect in column axle and rotatable right side simultaneously, all be fixed with on layer board, the solid fixed ring in left side and the solid fixed ring in right side and be used for cushioning the absorbing rubber pad. This engine EGR support of multiple protection adopts block mechanism cooperation bolt fastening device to realize the fixed action to the EGR cooler to can effectively avoid the bolt to become flexible because of vibrations and lead to fixed unstable problem, cooperation buffer gear and secondary fastening device realize the buffering and the secondary fastening to the EGR cooler under the effect of vibrations, avoid the EGR cooler to damage.

Description

Engine EGR support of multiple protection

Technical Field

The utility model relates to an engine EGR technical field specifically is an engine EGR support of multiple protection.

Background

The EGR of the engine mainly comprises an EGR valve and an EGR cooler, when the EGR is installed, the EGR cooler is mainly fixedly supported to ensure the installation stability of the EGR cooler, and the existing EGR bracket for the engine has certain defects when in use, such as the defect;

according to the novel EGR cooler support disclosed in the publication number CN208918721U, the EGR cooler is mounted on an engine cylinder cover by arranging the supporting structure and the clamping assembly on the base, so that the EGR cooler is arranged below the engine cylinder cover, parts of the whole vehicle can be avoided, the assembly, disassembly and maintenance are convenient, the use requirement is met, and the service life of the EGR cooler is ensured;

this prior art solution also exists when used:

1. the EGR cooler is directly fixed through bolts, certain vibration can be generated in the use process of the EGR cooler, and the bolts are easy to loosen under the action of a long time to cause unstable fixation;

2. the problems that the pipeline is easy to damage due to vibration and the like when the EGR cooler generates vibration due to the lack of a buffer protection mechanism and a secondary fastening mechanism are solved;

improvements are needed to address the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an engine EGR support of multiple protection to provide the problem that easily makes the bolt not hard up and cause fixed unstability, lack buffering protection and secondary fastening mechanism under long-time effect in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multiple protection engine EGR bracket comprising:

the fixing plate is a mounting base of the whole bracket, lug plates are symmetrically fixed on the side edges of the fixing plate, and through holes are formed in the lug plates for convenient fixing;

the movable frame is symmetrically and slidably connected in the fixed plate, a supporting plate with an arc-shaped structure is fixed on the movable frame to realize a supporting effect, the movable frame is mutually connected with a rotatable left fixing ring through a columnar shaft, meanwhile, the movable frame is mutually connected with a rotatable right fixing ring through a columnar shaft, rubber pads for buffering and damping are fixed on the supporting plate, the left fixing ring and the right fixing ring, and the rubber pads are mutually connected with the EGR cooler to realize a limiting and fixing effect;

the screw rod, with right side solid fixed ring interconnect, and the screw rod realizes the fixed action through screw thread and fastening nut interconnect.

Preferably, still the symmetry is provided with the first spring that is used for buffering absorbing on the adjustable shelf, and the first spring other end is fixed on the fixed plate, through connecting rod interconnect between the adjustable shelf, increase the wholeness of whole device, when EGR cooler produced the vibrations of horizontal direction, can realize buffering the shock attenuation through the effect of first spring, the effect of cooperation connecting rod can realize the dispersion of power, guarantees the stability of device.

Preferably, the left fixing ring is further provided with a clamping plate and a torsion spring;

the clamping plate is rotatably connected to the left fixing ring through a columnar shaft, and the clamping plate and the right fixing ring are clamped with each other to realize a fixing effect;

torsion spring fixes on the solid fixed ring in a left side, and torsion spring and cardboard interconnect provide the effort that resets, constitute automatic block mechanism through above-mentioned mechanism to can guarantee the stability of being connected between solid fixed ring in a left side and the solid fixed ring in a right side, avoid leading to connecting unstable problem because of vibrations.

Preferably, the solid fixed ring in the left side still equidistant between be fixed with the strengthening rib, and the strengthening rib still equidistant fixes on solid fixed ring in the right side to the strengthening rib is vertical distribution with solid fixed ring in the right side and the solid fixed ring in the left side, through the effect of strengthening rib, increases crushing resistance and wholeness between the solid fixed ring in the left side, avoids solid fixed ring in the left side and the solid fixed ring in the right side to damage.

Preferably, the last still equidistant distribution of solid fixed ring in the right side has the spout, and the spout is oval structure, can lead to the bouncing ball through the oval structure of spout to the realization is to the secondary fastening effect of EGR cooler.

Preferably, sliding connection has the bouncing ball in the spout, and the bouncing ball rolls with the EGR cooler is mutually supported to the material of bouncing ball is hard rubber, through the sliding action of bouncing ball in the spout, can adjust the distance between the bouncing ball, realizes the clamping action to the EGR cooler, and the bouncing ball has certain elasticity, can play certain buffering cushioning effect.

Compared with the prior art, the beneficial effects of the utility model are that: this engine EGR support of multiple protection adopts block mechanism cooperation bolt fastening device to realize the fixed action to the EGR cooler to can effectively avoid the bolt to become flexible because of vibrations and lead to fixed unstable problem, cooperation buffer gear and secondary fastening device realize the buffering and the secondary fastening to the EGR cooler under the effect of vibrations, avoid the EGR cooler to damage.

1. When fixing the EGR cooler, through rotating solid fixed ring in the left side and the solid fixed ring in the right side, the rotation of cooperation cardboard and torque spring's elastic action can make and carry out the block between solid fixed ring in the left side and the right side and fix, and the fixed stability of solid fixed ring in the left side and the solid fixed ring in the right side is guaranteed in cooperation screw rod and fastening nut's fastening action, and can effectively avoid producing between screw rod and the fastening nut through block mechanism and become flexible.

2. When the EGR cooler produces vibrations in the operation process, can realize once buffering shock attenuation through the effect of rubber pad, the removal of cooperation adjustable shelf and the elastic action of first spring can realize the secondary buffering shock attenuation, and through the roll effect between bounce ball and the spout, can realize the secondary fastening effect to the EGR cooler to effectively avoid the EGR cooler to damage.

Drawings

Fig. 1 is a schematic view of a front cross-sectional structure of a fixing plate of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic side view of the fixing plate of the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;

fig. 5 is a front view of the right fixing ring of the present invention.

In the figure: 1. a fixing plate; 2. an ear plate; 3. a movable frame; 301. a first spring; 302. a connecting rod; 4. a support plate; 5. a left retaining ring; 501. clamping a plate; 502. a torsion spring; 6. a right securing ring; 7. a rubber pad; 8. reinforcing ribs; 9. a screw; 10. fastening a nut; 11. a chute; 12. a resilient ball; 13. an EGR cooler.

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. 1-5, the present invention provides a technical solution: a multiple protection engine EGR bracket comprising:

the fixing plate 1 is a mounting base of the whole bracket, the lug plates 2 are symmetrically fixed on the side edges of the fixing plate 1, and through holes are formed in the lug plates 2 for facilitating fixing;

the movable frame 3 is symmetrically and slidably connected in the fixed plate 1, a supporting plate 4 with an arc-shaped structure is fixed on the movable frame 3 to realize a supporting effect, the movable frame 3 is connected with the rotatable left fixing ring 5 through a columnar shaft, meanwhile, the movable frame 3 is connected with the rotatable right fixing ring 6 through the columnar shaft, rubber pads 7 for buffering and damping are fixed on the supporting plate 4, the left fixing ring 5 and the right fixing ring 6, and the rubber pads 7 are connected with the EGR cooler 13 to realize a limiting and fixing effect;

and the screw 9 is connected with the right fixing ring 6, and the screw 9 is connected with the fastening nut 10 through threads to realize the fixing effect.

The movable frames 3 are also symmetrically provided with first springs 301 for buffering and damping, the other ends of the first springs 301 are fixed on the fixed plate 1, and the movable frames 3 are connected with each other through connecting rods 302, so that the integrity of the whole device is improved; the left fixing ring 5 is also provided with a clamping plate 501 and a torsion spring 502; the clamping plate 501 is rotatably connected to the left fixing ring 5 through a columnar shaft, and the clamping plate 501 and the right fixing ring 6 are clamped with each other to realize a fixing effect; the torsion spring 502 is fixed on the left fixing ring 5, and the torsion spring 502 and the clamping plate 501 are connected with each other to provide a reset acting force; still equidistant being fixed with strengthening rib 8 between the solid fixed ring 5 in a left side, and strengthening rib 8 still equidistant is fixed on solid fixed ring 6 in the right side to strengthening rib 8 is vertical distribution with solid fixed ring 6 in the right side and solid fixed ring 5 in the left side.

At first fix EGR cooler 13, place EGR cooler 13 on layer board 4, it realizes the centre gripping fixed action to EGR cooler 13 to rotate solid fixed ring 5 in the left side again and the solid fixed ring 6 in the right side, when cardboard 501 and the solid fixed ring 6 contact in the right side, through cardboard 501's rotation and torsion spring 502's elastic action, make cardboard 501 and the solid fixed ring 6 upper groove mutual block in the right side, realize once fixed action, rethread screw rod 9 and fastening nut 10's fastening effect, realize the secondary fixation to EGR cooler 13, and through cardboard 501 and the solid fixed ring 6 between the block effect in the right side, can effectively avoid screw rod 9 and fastening nut 10 to produce the not hard up problem that leads to fixed unstable because of vibrations.

The right fixing ring 6 is also provided with sliding chutes 11 at equal intervals, and the sliding chutes 11 are of an oval structure; a resilient ball 12 is slidably connected in the chute 11, the resilient ball 12 and the EGR cooler 13 cooperate with each other to roll, and the resilient ball 12 is made of hard rubber.

After fixing, fix fixed plate 1 again through the trompil on the otic placode 2, the realization is fixed the installation effect of whole device, when EGR cooler 13 uses, because the impact of air current can produce certain vibrations, thereby drive solid fixed ring 5 in the left side and the solid fixed ring 6 in the right side and shake, slip and the elastic action of first spring 301 through adjustable shelf 3, can realize buffering cushioning effect, and when EGR cooler 13 produces vibrations, it rolls in spout 11 to drive bounce ball 12, because spout 11 is oval structure, thereby adjust the distance between bounce ball 12, realize the secondary centre gripping fixed action to EGR cooler 13, thereby effectively avoid EGR cooler 13 impaired.

The working principle is as follows: as shown in fig. 1 to 5, when the engine EGR support with multiple protections is used, firstly, the EGR cooler 13 is fixed, the EGR cooler 13 is placed on the supporting plate 4, primary fixing of the EGR cooler 13 is realized through the clamping action between the left fixing ring 5 and the right fixing ring 6, secondary fixing is realized through the screw fastening action of the screw 9 and the fastening nut 10, the stability of fixing is ensured, when the EGR cooler 13 vibrates in the use process, the buffering and damping action can be realized through the elastic action of the rubber pad 7 and the first spring 301, and secondary clamping and fixing of the EGR cooler 13 is realized through the rolling action between the elastic ball 12 and the sliding groove 11, the stability of the EGR cooler 13 is ensured, the EGR cooler 13 is prevented from being damaged, which is the working principle of the engine EGR support with multiple protections.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An engine EGR support with multiple protections, comprising:

2. The multiple protection engine EGR bracket of claim 1, wherein: still the symmetry is provided with the first spring that is used for buffering absorbing on the adjustable shelf, and the first spring other end is fixed on the fixed plate, through connecting rod interconnect between the adjustable shelf, increase the wholeness of whole device.

3. The multiple protection engine EGR bracket of claim 1, wherein: the left fixing ring is also provided with a clamping plate and a torsion spring;

and the torsion spring is fixed on the left fixing ring and is mutually connected with the clamping plate to provide a reset acting force.

4. The multiple protection engine EGR bracket of claim 1, wherein: the left fixing ring is fixed with reinforcing ribs at equal intervals, the reinforcing ribs are fixed on the right fixing ring at equal intervals, and the reinforcing ribs, the right fixing ring and the left fixing ring are vertically distributed.

5. The multiple protection engine EGR bracket of claim 1, wherein: the right fixing ring is further provided with sliding chutes which are distributed at equal intervals and are of an oval structure.

6. The multiple protection engine EGR bracket of claim 5, wherein: the sliding connection has the bouncing ball in the spout, and the bouncing ball rolls with the EGR cooler mutually supporting, and the material of bouncing ball is hard rubber.