CN113415146B - High-pressure casting part with safety protection function for automobile - Google Patents

Abstract

The invention relates to the technical field of auto parts, in particular to a high-pressure casting part with a safety protection function for automobiles, including a connecting block, a supporting arm, a buffer mechanism and a recoil mechanism, and the supporting arm is fixedly connected between two connecting blocks. side, the buffer mechanism is placed on the outside of the support arm, the upper surface of the support arm is provided with a buffer groove, the recoil mechanism is placed in the buffer groove, the buffer mechanism includes a buffer plate and a transmission rack, and the buffer plate is fixedly connected to one end of the transmission rack. The bottom of the transmission rack is fixedly connected with a guide slider, and the bottom of the buffer groove is provided with a spring groove that matches the guide slider. This part can realize safety protection. The impact force can prevent the support arm from being deformed and broken. At the same time, it can quickly offset the external impact force, which is beneficial to the further protection of the support arm and ensures the normal operation of the part.

Description

A high-pressure casting part with safety protection function for automobiles

technical field

The invention relates to the technical field of auto parts, in particular to a high-pressure casting part with safety protection function for automobiles.

Background technique

The essence of high-pressure casting parts is to fill the cavity of the die-casting mold with liquid or semi-liquid metal at a high speed under the action of high pressure, and form and solidify the parts under pressure. The parts manufactured by the high-pressure casting process have high dimensional accuracy, High hardness and strength and dimensional stability.

The high-pressure casting parts for automobiles play a role in fixing the automobile engine, but when the casting parts are subjected to external impact, because the supporting arm of the part does not have the function of safety protection, the supporting arm is prone to deformation or breaking, which affects the performance of the part. The service life, damage to the support arm leads to weakening of the fixing effect on the engine, which intensifies the vibration of the engine and affects the normal use of the car.

Contents of the invention

Aiming at the problems in the prior art, the present invention provides a high-pressure casting part with a safety protection function for automobiles. The part can realize safety protection. The impact force can prevent the support arm from being deformed and broken, and at the same time, it can quickly weaken the external impact force, which is beneficial to the further protection of the support arm and ensures the normal operation of the part.

The technical solution adopted by the present invention to solve the technical problem is: a high-pressure casting part with safety protection function for automobiles, including a connecting block, a supporting arm, a buffer mechanism and a recoil mechanism, and the supporting arm is fixedly connected between the two connecting blocks. side, the buffer mechanism is placed on the outside of the support arm, the upper surface of the support arm is provided with a buffer groove, the recoil mechanism is placed in the buffer groove, the buffer mechanism includes a buffer plate and a transmission rack, and the buffer plate is fixedly connected to one end of the transmission rack. The bottom of the transmission rack is fixedly connected with a guide slider, and the bottom of the buffer groove is provided with a spring groove matching the guide slider, and the other end of the guide slider is placed in the spring groove, and the guide slider is slidably connected with the spring groove.

Specifically, the end of the guide slider away from the buffer plate is provided with a spring circular groove, and a buffer spring is provided between the spring circular groove and the spring groove. One end of the buffer spring is fixedly connected in the spring circular groove, and the other end of the buffer spring is fixedly connected to the spring. trough bottom.

Specifically, one end of the buffer plate close to the connecting block is fixedly connected with a sliding plate, the sliding plate is slidably connected to the side wall of the connecting block, the two ends of the sliding plate are fixedly connected with sliding plates, and the upper surface and the lower surface of the connecting block are equipped with The sliding groove, the sliding plate is slidably connected in the sliding groove.

Specifically, a support spring is fixedly connected to the side wall of the end of the buffer plate away from the connecting block, and the other end of the support spring is fixedly connected to the outer wall of the support arm.

Specifically, a half gear is provided in the buffer tank, the half gear is rotatably connected to the bottom of the buffer tank, the half gear is placed on both sides of the transmission rack, and the half gear is engaged with the transmission rack.

Specifically, the recoil mechanism includes a recoil rod and a mounting groove, one end of the recoil rod is fixedly connected to the outer wall of the half gear away from the drive rack, and the middle part of the other end of the recoil rod is fixedly provided with a mounting groove.

Specifically, the recoil mechanism also includes a top column and a limit block, the bottom of the installation groove is provided with a bottom groove, the bottom of the top column is placed in the bottom groove, and the top column is slidably connected to the side wall of the bottom groove, and the limit block is fixedly connected On both sides of the bottom of the top post.

Specifically, side grooves are provided on both sides of the bottom groove, and guide columns are fixedly connected in the side grooves, and the limit block is sleeved on the outer wall of the guide column, and the limit block is slidably connected with the guide column, and the outer wall of the guide column is sleeved with a return One end of the return spring is fixedly connected to the bottom of the side groove, and the other end of the return spring is fixedly connected to the lower surface of the limit block.

Specifically, the recoil mechanism also includes a driven plate, the two sides of the installation groove are fixedly connected with a rotating column, the driven plate is sleeved on the outer wall of the rotating column, and the driven plate is connected in rotation with the rotating column, and the driven plate is away from the rotating column. A bonding plate is fixedly connected to one side of the top column, and a pressure plate is fixedly connected to the outer wall of the top column, and the pressure plate can be in contact with the end of the driven plate close to the top column.

Beneficial effects of the present invention:

(1) A kind of high-pressure casting parts with safety protection function for automobiles according to the present invention, the buffer plate moves towards the direction close to the support arm, the support spring at the end of the buffer plate away from the connecting block is compressed, and the buffer effect is realized by the support spring, reducing The impact force received by the small support arm avoids deformation and breakage of the support arm. The buffer plate drives the transmission rack to move synchronously. The transmission rack moves along the spring groove, and the buffer spring is compressed to achieve buffering effect and reduce the impact on the support arm. Force, to achieve the protection of the support arm.

(2) In the high-pressure casting parts with safety protection function for automobiles according to the present invention, the top column drives the pressure plate to move synchronously while the top column moves, and when the pressure plate moves, the end of the driven plate close to the top column is squeezed, and the driven plate wraps around The rotating column rotates, and the end of the driven plate far away from the top column drives the fitting plate to rotate synchronously. The fitting plate and the outer wall of the buffer plate are attached and tightened, and the impact force of the buffer plate is offset to achieve buffering against external impacts and reduce the size of the support arm. The impact force received avoids deformation and breaking of the support arm, and at the same time prevents the buffer plate from hitting the support arm, which further protects the support arm and further ensures the normal operation of the part.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a three-dimensional structural schematic diagram of a high-pressure casting part with safety protection function for automobiles provided by the present invention.

Fig. 2 is a perspective view of the buffer mechanism provided by the present invention.

Fig. 3 is a perspective view of the recoil mechanism provided by the present invention.

Fig. 4 is a sectional view along A-A direction in Fig. 3 provided by the present invention.

Fig. 5 is a sectional view along B-B direction in Fig. 3 provided by the present invention.

Fig. 6 is an enlarged view of E in Fig. 1 provided by the present invention.

In the figure: 1, connection block; 2, support arm; 21, buffer groove; 22, spring groove; 23, buffer spring; 3, buffer mechanism; 31, buffer plate; 32, transmission rack; 33, spring circular groove; 34, guide slider; 35, slide plate; 36, slide plate; 37, support spring; 4, recoil mechanism; 41, recoil rod; 42, installation groove; 421, bottom groove; 422, side groove; 43, top Post; 431, limit block; 44, fitting plate; 45, pressing plate; 46, driven plate; 461, rotating post; 47, return spring; 48, guiding post; 5, half gear.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

As shown in Figures 1-6, a high-pressure casting part with safety protection function for automobiles includes a connection block 1, a support arm 2, a buffer mechanism 3 and a recoil mechanism 4, and the support arm 2 is fixedly connected to the connection block 1, the buffer mechanism 3 is placed outside the support arm 2, the upper surface of the support arm 2 is provided with a buffer groove 21, and the recoil mechanism 4 is placed in the buffer groove 21, and the buffer mechanism 3 includes a buffer plate 31 and a transmission rack 32 , the buffer plate 31 is fixedly connected with one end of the transmission rack 32, the bottom of the transmission rack 32 is fixedly connected with a guide slider 34, the bottom of the buffer groove 21 is provided with a spring groove 22 matching with the guide slider 34, and the guide slider 34 is another One end is placed in the spring groove 22, and the guide slider 34 is slidably connected with the spring groove 22. The safety protection of the support arm 2 is realized by setting the buffer mechanism 3. The small external impact force can avoid deformation and breaking of the support arm 2. At the same time, the external impact force can be quickly weakened, which is conducive to further protection of the support arm 2 and ensures the normal operation of the part. Realized by setting the recoil mechanism 4 The impact force of the buffer plate 31 is offset to avoid the impact of the buffer plate 31 on the support arm 2, so as to realize the protection of the support arm 2. When the buffer plate 31 is subjected to an external impact, the buffer plate 31 simultaneously drives the transmission rack 32 to move synchronously, and the transmission The rack 32 moves along the spring groove 22, and the buffer spring 23 is compressed to realize the buffering effect, reduce the impact force received by the support arm 2, and realize the protection of the support arm 2. The movement of the buffer plate 31 is determined by setting the guide slider 34 The trajectory increases the stability and reliability of the buffer plate 31 during movement, making the buffer plate 31 more smooth during movement.

Specifically, the end of the guide slider 34 away from the buffer plate 31 is provided with a spring circular groove 33, a buffer spring 23 is arranged between the spring circular groove 33 and the spring groove 22, and one end of the buffer spring 23 is fixedly connected in the spring circular groove 33, The other end of the buffer spring 23 is fixedly connected to the bottom of the spring groove 22, and one end of the buffer spring 23 is fixed in the spring circular groove 33 to ensure that the buffer spring 23 is more stable during the compression process, and the buffer spring 23 is compressed by the movement of the buffer plate 31. The buffering effect is realized by the buffer spring 23 , which reduces the impact force on the support arm 2 and further enhances the protection of the support arm 2 .

Specifically, one end of the buffer plate 31 close to the connection block 1 is fixedly connected with a slide plate 35, the slide plate 35 is slidably connected with the side wall of the connection block 1, the two ends of the slide plate 35 are fixedly connected with a slide plate 36, the upper surface and the lower surface of the connection block 1 There is a sliding groove compatible with the sliding plate 36, the sliding plate 36 is slidably connected in the sliding groove, and the connection with the connecting block 1 is realized by the sliding plate 36, so that the buffering plate 31 will not be connected with the connecting block 1 when the buffering plate 31 is impacted. Block 1 breaks away, causing secondary damage to other components, further ensuring the safety of the casting.

Specifically, the side wall of one end of the buffer plate 31 away from the connecting block 1 is fixedly connected with a support spring 37, and the other end of the support spring 37 is fixedly connected to the outer wall of the support arm 2. When the cast part is hit, the buffer plate 31 will move closer to the support When the arm 2 moves in the direction, the support spring 37 at the end of the buffer plate 31 away from the connection block 1 is compressed, and the buffer effect is realized by the support spring 37, which reduces the impact force on the support arm 2, avoids deformation and breakage of the support arm 2, and further strengthens the Protection for support arm 2.

Specifically, the buffer tank 21 is provided with a half gear 5, the half gear 5 is rotatably connected to the bottom of the buffer tank 21, the half gear 5 is placed on both sides of the transmission rack 32, and the half gear 5 is meshed with the transmission rack 32. The conversion and transmission of the impact force is realized by setting the half gear 5, and the transmission rack 32 drives the half gear 5 on both sides to rotate.

Specifically, the recoil mechanism 4 includes a recoil rod 41 and a mounting groove 42, one end of the recoil rod 41 is fixedly connected to the outer wall of the half gear 5 away from the drive rack 32, and the middle part of the other end of the recoil rod 41 is fixedly provided with The installation groove 42, the drive rack 32 drives the half gear 5 on both sides to rotate, the half gear 5 drives the recoil rod 41 to rotate synchronously, and the recoil rod 41 moves away from the end of the half gear 5 to approach the buffer plate 31.

Specifically, the recoil mechanism 4 also includes a top post 43 and a limit block 431, the bottom of the installation groove 42 is provided with a bottom groove 421, the bottom of the top post 43 is placed in the bottom groove 421, and the side of the top post 43 and the bottom groove 421 The wall is slidingly connected, and the limit block 431 is fixedly connected to both sides of the bottom of the top column 43. The transmission rack 32 drives the half gear 5 on both sides to rotate, and the half gear 5 drives the recoil rod 41 to rotate synchronously. The recoil rod 41 is far away from the half gear 5. One end of the buffer plate 31 moves towards the bumper plate 31, and the top column 43 is first in contact with the buffer plate 31, and the impact force of the buffer plate 31 is reduced through the process of the bumper plate 31 squeezing the top column 43, so as to prevent the bumper plate 31 from hitting the support arm 2 .

Specifically, side grooves 422 are provided on both sides of the bottom groove 421, and a guide column 48 is fixedly connected to the side groove 422, and the limit block 431 is sleeved on the outer wall of the guide column 48, and the limit block 431 is slidably connected to the guide column 48. , the outer wall of the guide column 48 is provided with a return spring 47, one end of the return spring 47 is fixedly connected to the bottom of the side groove 422, the other end of the return spring 47 is fixedly connected to the lower surface of the limit block 431, and the top column 43 drives the bottom of the bottom at the same time. The limit block 431 moves synchronously along the side groove 422, the limit block 431 slides along the outer wall of the guide column 48, and the return spring 47 is compressed at the same time, through the friction between the limit block 431 and the outer wall of the guide column 48, the impact on the support arm 2 is reduced impact force to avoid deformation and breakage of the support arm 2.

Specifically, the recoil mechanism 4 also includes a driven plate 46, a rotating column 461 is fixedly connected to both sides of the installation groove 42, the driven plate 46 is sleeved on the outer wall of the rotating column 461, and the driven plate 46 and the rotating column 461 rotating connection, the driven plate 46 is fixedly connected with a fitting plate 44 away from the top post 43 side, and the outer wall of the top post 43 is fixedly connected with a pressing plate 45, and the pressing plate 45 can be in contact with the end of the driven plate 46 near the top post 43, and the top post 43 While moving, the pressure plate 45 is driven to move synchronously. When the pressure plate 45 moves, the end of the driven plate 46 close to the top column 43 is squeezed, the driven plate 46 rotates around the rotation column 461, and the end of the driven plate 46 away from the top column 43 drives the bonding plate. 44 rotates synchronously, and the fitting plate 44 and the outer wall of the buffer plate 31 are attached and tightened, and the impact force of the buffer plate 31 is offset to realize the buffering of the external impact, and reduce the impact force of the support arm 2 to avoid the occurrence of the support arm 2. Deformation and breaking phenomenon, at the same time prevent the buffer plate 31 from hitting the support arm 2, play a further role in protecting the support arm 2, and further ensure the normal operation of the part.

In use, when the cast part is hit, the buffer plate 31 moves towards the direction close to the support arm 2, and the support spring 37 at the end of the buffer plate 31 away from the connecting block 1 is compressed, and the buffer effect is realized by the support spring 37, reducing the size of the support arm. 2 The impact force received avoids deformation and breaking of the support arm 2. The buffer plate 31 drives the transmission rack 32 to move synchronously. The transmission rack 32 moves along the spring groove 22, and the buffer spring 23 is compressed to realize the buffering effect and reduce the support. The impact force received by the arm 2, at the same time, the transmission rack 32 drives the half gear 5 on both sides to rotate, and the half gear 5 drives the recoil rod 41 to rotate synchronously, and the end of the recoil rod 41 away from the half gear 5 moves closer to the buffer plate 31. The column 43 is first in contact with the buffer plate 31, and the impact force of the buffer plate 31 is reduced through the process of the buffer plate 31 squeezing the top column 43, so as to prevent the buffer plate 31 from hitting the support arm 2, and the bumper plate 31 squeezes the top column 43 At the same time, the top column 43 slides along the bottom groove 421 to the direction away from the buffer plate 31, and the top column 43 simultaneously drives the limit block 431 at the bottom to move synchronously along the side groove 422, and the limit block 431 slides along the outer wall of the guide column 48, while the return spring 47 is compressed, through the friction between the limit block 431 and the outer wall of the guide column 48, the impact force received by the support arm 2 is reduced, and the deformation and breakage of the support arm 2 are avoided. The top column 43 drives the pressure plate 45 to move synchronously while moving When the pressing plate 45 moves, it squeezes the end of the driven plate 46 close to the top column 43, the driven plate 46 rotates around the rotating column 461, and the end of the driven plate 46 away from the top column 43 drives the fitting plate 44 to rotate synchronously, and the fitting plate 44 and the buffer The outer wall of the plate 31 is attached and tightened, and the impact force of the buffer plate 31 is offset to achieve buffering of external impacts, to reduce the impact force on the support arm 2, to avoid deformation and breakage of the support arm 2, and to avoid the impact of the buffer plate 31. The impact on the support arm 2 further protects the support arm 2 and further ensures the normal operation of the part.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also There are various changes and improvements, and these changes and improvements all fall within the scope of protection of the present invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a have high pressure casting part of safety protection function for car which characterized in that: the device comprises a connecting block (1), a supporting arm (2), a buffer mechanism (3) and a recoil mechanism (4), wherein the supporting arm (2) is fixedly connected to two sides of the connecting block (1), the buffer mechanism (3) is arranged on the outer side of the supporting arm (2), a buffer groove (21) is formed in the upper surface of the supporting arm (2), the recoil mechanism (4) is arranged in the buffer groove (21), the buffer mechanism (3) comprises a buffer plate (31) and a transmission rack (32), the buffer plate (31) is fixedly connected with one end of the transmission rack (32), the bottom of the transmission rack (32) is fixedly connected with a guide sliding block (34), a spring groove (22) matched with the guide sliding block (34) is formed in the bottom of the buffer groove (21), the other end of the guide sliding block (34) is arranged in the spring groove (22), and the guide sliding block (34) is in sliding connection with the spring groove (22);

the buffer groove (21) is internally provided with a half gear (5), the half gear (5) is arranged at two sides of the transmission rack (32), and the half gear (5) is meshed with the transmission rack (32);

the recoil mechanism (4) comprises a recoil rod (41) and a mounting groove (42), one end of the recoil rod (41) is fixedly connected to the outer wall of one side, far away from the transmission rack (32), of the half gear (5), and the middle part of the other end of the recoil rod (41) is fixedly provided with the mounting groove (42);

the recoil mechanism (4) further comprises a top column (43) and a limiting block (431), a bottom groove (421) is formed in the bottom of the mounting groove (42), the bottom of the top column (43) is arranged in the bottom groove (421), the top column (43) is slidably connected with the side wall of the bottom groove (421), the limiting block (431) is fixedly connected to two sides of the bottom of the top column (43), and the top column (43) is in contact with the buffer plate (31);

side grooves (422) are formed in two sides of the bottom groove (421), guide posts (48) are fixedly connected in the side grooves (422), limiting blocks (431) are sleeved on the outer walls of the guide posts (48), the limiting blocks (431) are slidably connected with the guide posts (48), return springs (47) are sleeved on the outer walls of the guide posts (48), one ends of the return springs (47) are fixedly connected to the bottoms of the side grooves (422), and the other ends of the return springs (47) are fixedly connected to the lower surfaces of the limiting blocks (431).

2. The high-pressure casting part with a safety protection function for an automobile according to claim 1, wherein: one end of the guide sliding block (34) far away from the buffer plate (31) is provided with a spring round groove (33), a buffer spring (23) is arranged between the spring round groove (33) and the spring groove (22), one end of the buffer spring (23) is fixedly connected in the spring round groove (33), and the other end of the buffer spring (23) is fixedly connected at the bottom of the spring groove (22).

3. The high-pressure casting part with a safety protection function for an automobile according to claim 2, wherein: one end fixedly connected with slide (35) that buffer board (31) are close to connecting block (1), slide (35) and connecting block (1) lateral wall sliding connection, slide (35) both ends fixedly connected with sliding plate (36), connecting block (1) upper surface and lower surface are equipped with the sliding tray with sliding plate (36) looks adaptation, sliding plate (36) sliding connection is in the sliding tray.

4. A high pressure casting part with safety protection function for automobile according to claim 3, characterized in that: one end lateral wall fixedly connected with supporting spring (37) of connecting block (1) is kept away from to buffer board (31), and supporting spring (37) other end fixed connection is at support arm (2) outer wall.

5. The high-pressure casting part with a safety protection function for an automobile according to claim 4, wherein: the recoil mechanism (4) further comprises a driven plate (46), the two sides of the mounting groove (42) are fixedly connected with rotating columns (461), the driven plate (46) is sleeved on the outer walls of the rotating columns (461), the driven plate (46) is rotationally connected with the rotating columns (461), the driven plate (46) is away from the attaching plate (44) fixedly connected with one side of the jacking column (43), the pressing plate (45) is fixedly connected with the outer walls of the jacking column (43), and the pressing plate (45) can be contacted with one end, close to the jacking column (43), of the driven plate (46).