CN213422621U

CN213422621U - Buffer mechanism of automobile safety belt collision test device

Info

Publication number: CN213422621U
Application number: CN202022853916.5U
Authority: CN
Inventors: 庄宏; 施晓进
Original assignee: Taizhou Kemeilun Electromechanical Co ltd
Current assignee: Taizhou Kemeilun Electromechanical Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-06-11
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to an automobile test technical field just discloses a car blet bump test device's buffer gear, which comprises a carriage body, the front side fixedly connected with inflatable packer of automobile body, inflatable packer's outside fixedly connected with metal covering, inflatable packer and metal covering's middle part all is equipped with the fluting. This safety belt collision test device's buffer gear, setting through the metal pad, the metal pad is kept apart by the rammer with the inflatable packer, the inflatable packer is protected to the metal pad, it has sharp-pointed object to stab the inflatable packer to prevent to be gone up by the rammer, influence this buffer gear's result of use, the setting of inflatable packer, the effect of buffering can be played to the gas of inflatable packer intussuseption, the impact that the reduction automobile body received, reduce the damage that the automobile body received in the test process, the life of extension automobile body, this buffer gear has the multilayer buffering, can effectually reduce the impact test to the influence of automobile body, the life of automobile body has been prolonged.

Description

Buffer mechanism of automobile safety belt collision test device

Technical Field

The utility model relates to an automobile test technical field specifically is a buffer gear of car blet bump test device.

Background

The automobile safety belt is a safety device which is used for restraining a passenger when in collision and avoiding secondary collision between the passenger and a steering wheel, an instrument board and the like when in collision or rushing out of a vehicle to cause death and injury when in collision, and can be called as a safety belt, and is one of the passenger restraint devices, the safety belt is a recognized cheapest and most effective safety device, and is forcibly provided with the safety belt in a plurality of countries in equipment of a vehicle.

However, in the test process, the collision vehicle has no buffer mechanism, so that the collision vehicle is easily damaged, and the test expenditure is increased.

SUMMERY OF THE UTILITY MODEL

The not enough to current car blet bump test device, the utility model provides a car blet bump test device's buffer gear possesses and can protect the car that collides, reduces the damage to the car that collides in the test process, and the problem of proposing among the above-mentioned background art has been solved to the advantage such as life of extension car that collides.

The utility model provides a following technical scheme: a buffer mechanism of an automobile safety belt collision test device comprises an automobile body, wherein an inflatable cushion is fixedly connected to the front side of the automobile body, a metal cushion is fixedly connected to the outer side of the inflatable cushion, grooves are formed in the middle portions of the inflatable cushion and the metal cushion, a groove is formed in the middle portion of the front side of the automobile body, a first spring is fixedly connected to each of two ends of the inner side of a groove inner cavity, an inflatable column is fixedly connected to the other end of the first spring, a second spring is fixedly connected to each of two ends of the other side of the inflatable column, the other end of the second spring is fixedly connected with the front cushion, the other end of the front cushion extends to the outer side of the metal cushion through the groove, the front cushion and the inflatable column are movably connected with the groove and the grooved inner cavity, a blower is fixedly connected to one side of the middle portion of the groove inner cavity, an air inlet of the blower is fixedly, the air outlet of the blower is fixedly connected with two air outlet pipes, one air outlet pipe is fixedly connected with one side of the inflatable cushion, and the other air outlet pipe is fixedly connected with the other side of the inflatable column.

Preferably, one side of the inflatable cushion and one side of the inflatable column are both provided with inflatable holes, the other end of the air outlet pipe is clamped with the inflatable holes, and the inner side of each inflatable hole is fixedly connected with a first conducting strip.

Preferably, one side of the inner wall of the inflatable cushion and one side of the inner wall of the inflatable column are both provided with a fixed groove, the inflatable hole is positioned in an inner ring of the fixed groove, the inner side of an inner cavity of the fixed groove is uniformly and fixedly connected with a third spring, the other end of the third spring is fixedly connected with a sealing cover, the inner wall of the sealing cover is fixedly connected with a second conducting strip, and the second conducting strip can be in contact with the first conducting strip.

Preferably, the inflatable cushion and one side of the top of the inflatable column are respectively provided with an exhaust hole, the cross-sectional area of the top of each exhaust hole is larger than that of the bottom of each exhaust hole, a sealing plug is clamped in each exhaust hole, two sides of the top of an inner cavity of each exhaust hole are respectively and fixedly connected with a spring four, the other end of each spring four is fixedly connected with the sealing plug, two sides of the top end of each sealing plug are respectively and fixedly connected with a third conducting strip, and the other two sides of the top of the inner cavity of each exhaust hole are respectively and fixedly.

With current car blet bump test device contrast, the utility model discloses possess following beneficial effect:

1. this safety belt collision test device's buffer gear, setting through the metal pad, the metal pad is kept apart by the rammer with the inflatable packer, the inflatable packer is protected to the metal pad, it has sharp-pointed object to stab the inflatable packer to prevent to be gone up by the rammer, influence this buffer gear's result of use, the setting of inflatable packer, the effect of buffering can be played to the gas of inflatable packer intussuseption, the impact that the reduction automobile body received, reduce the damage that the automobile body received in the test process, the life of extension automobile body, this buffer gear has the multilayer buffering, can effectually reduce the impact test to the influence of automobile body, the life of automobile body has been prolonged.

2. This automobile safety belt bump test device's buffer gear, through the setting of each structure in the exhaust hole, when inflatable packer or inflatable column receive the extrusion, the sealing plug can be extruded to the gas in inflatable packer or the inflatable column, if the extrusion force of gas to the sealing plug is greater than four when to the pulling force of sealing plug of spring, the sealing plug removes to the outside in exhaust hole, the exhaust hole is opened, gas in inflatable packer or the inflatable column can discharge in the air, prevent that inflatable packer or inflatable column from taking place to break under the effect of pressure, influence this buffer gear's use.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is an exploded view of the structure of FIG. 1;

FIG. 3 is a diagram of a spring with a structure of the present invention;

fig. 4 is a schematic view of the structure fixing groove of the present invention.

In the figure: 1. a vehicle body; 2. fixing grooves; 3. an inflatable cushion; 4. a metal pad; 5. a front pad; 6. an air outlet pipe; 7. an air inlet pipe; 8. a blower; 9. a groove; 10. a sealing plug; 11. a second spring; 12. an inflatable column; 13. a first spring; 14. conducting plate III; 15. a fourth conducting strip; 16. a fourth spring; 17. a first conducting plate; 18. a third spring; 19. and (7) sealing the cover.

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. 1-4, a buffer mechanism of a car safety belt collision test device comprises a car body 1, an inflatable cushion 3 is fixedly connected to the front side of the car body 1, a metal cushion 4 is fixedly connected to the outer side of the inflatable cushion 3, the metal cushion 4 separates a collider from the inflatable cushion 3 through the arrangement of the metal cushion 4, the metal cushion 4 protects the inflatable cushion 3 to prevent the inflatable cushion 3 from being punctured by a sharp object on the collider and influencing the use effect of the buffer mechanism, the arrangement of the inflatable cushion 3 can play a role of buffering gas filled in the inflatable cushion 3 to reduce the impact force on the car body, reduce the damage to the car body 1 in the test process and prolong the service life of the car body 1, slots are arranged in the middle parts of the inflatable cushion 3 and the metal cushion 4, a groove 9 is arranged in the middle part of the front side of the car body 1, and springs 13 are fixedly connected to both ends of the inner side of the inner cavity of the, the other end of the first spring 13 is fixedly connected with an inflating column 12, the two ends of the other side of the inflating column 12 are fixedly connected with a second spring 11, the other end of the second spring 11 is fixedly connected with the front cushion 5, the other end of the front cushion 5 extends to the outer side of the metal cushion 4 through the groove 9, the front cushion 5, the inflating column 12, the groove 9 and the grooved inner cavity are movably connected, through the arrangement of the front cushion 5, the front cushion 5 can extrude the first spring 13 under the action of impact force during impact, the impact force can be reduced by the resilience force of the first spring 13, if the impact force is larger than the force which can be reduced by the first spring 13, the front cushion 5 continues to move into the inner cavity of the groove 9, the front cushion 5 extrudes the inflating column 12 and the second spring 11, the resilience force of the inflating column 12 and the second spring 11 continues to reduce the impact force on the vehicle body 1 in an impact test, the service life of the vehicle body 1 is prolonged, an air inlet of a blower 8 is fixedly connected with an air inlet pipe 7, the other end of the air inlet pipe 7 penetrates through the vehicle body 1 and extends to the outer side of the vehicle body 1, an air outlet of the blower 8 is fixedly connected with two air outlet pipes 6, the other end of one air outlet pipe 6 is fixedly connected with one side of the inflatable cushion 3, the other side of the other air outlet pipe 6 is fixedly connected with one side of the inflatable column 12, through the arrangement of the blower 8, the operation of the blower 8 can enable the tail end of the air inlet pipe 7 fixedly connected with the blower 8 to generate suction, air around the air inlet pipe 7 enters the air inlet pipe 7 and moves into the air outlet pipe 6 from the air inlet pipe 7, air in the air outlet pipe 6 enters the inflatable cushion 3 or the inflatable column 12 fixedly connected with the air inlet pipe, air is supplemented to the inflatable cushion 3 or the inflatable column 12, and the using effect of the buffer.

Wherein, one side of the inflatable cushion 3 and one side of the inflatable column 12 are both provided with inflatable holes, the other end of the air outlet pipe 6 is clamped with the inflatable holes, and the inner sides of the inflatable holes are fixedly connected with a first conducting strip 17.

Wherein, one side of the inner wall of the inflatable cushion 3 and the inflatable column 12 is provided with a fixed groove 2, the inflatable hole is positioned at the inner ring of the fixed groove 2, the inner side of the inner cavity of the fixed groove 2 is uniformly and fixedly connected with a spring III 18, the other end of the spring III 18 is fixedly connected with a sealing cover 19, the inner wall of the sealing cover 19 is fixedly connected with a conducting strip II, the conducting strip II can be contacted with a conducting strip I17, through the arrangement of each structure in the fixed groove 2, when gas exists in the air outlet pipe 6, the gas in the air outlet pipe 6 can extrude the sealing cover 19, the sealing cover 19 is separated from the fixed groove 2 under the action of pressure, the conducting strip II is separated from the conducting strip I17, when the sealing cover 19 is separated from the inner wall of the inflatable cushion 3 or the inflatable column 12, the gas in the air outlet pipe 6 can enter the inner cavity of the inflatable cushion 3, the sealing cover 19 is pulled inwards by the resilience force of the third spring 18, the sealing cover 19 is clamped with the fixing groove 2 again, and the inflation hole is blocked, so that the use of the inflatable cushion 3 or the inflatable column 12 is facilitated.

Wherein, one side of the top of the inflatable cushion 3 and the inflatable column 12 is provided with an exhaust hole, the cross area of the top of the exhaust hole is larger than that of the bottom of the exhaust hole, a sealing plug 10 is clamped in the exhaust hole, two sides of the top of an inner cavity of the exhaust hole are fixedly connected with a spring four 16, the other end of the spring four 16 is fixedly connected with the sealing plug 10, two sides of the top end of the sealing plug 10 are fixedly connected with a conducting strip three 14, the other two sides of the top of the inner cavity of the exhaust hole are fixedly connected with a conducting strip four 15 matched with the conducting strip three 14, through the arrangement of structures in the exhaust hole, when the inflatable cushion 3 or the inflatable column 12 is extruded, the gas in the inflatable cushion 3 or the inflatable column 12 extrudes the sealing plug 10, if the extrusion force of the gas on the sealing plug 10 is larger than the tensile force of the spring four 16 on the sealing plug 10, the sealing plug, the inflatable cushion 3 or the inflatable column 12 is prevented from being broken under the action of pressure, the use of the buffer mechanism is prevented from being influenced, and the third conducting strip 14 is separated from the fourth conducting strip 15.

The working principle is as follows: when the inflatable cushion is used, the front cushion 5 is firstly contacted with an impacted object, the front cushion 5 moves towards the inner cavity of the groove 9 under the action of impact force, the front cushion 5 extrudes the first spring 13, the resilience force of the first spring 13 reduces the impact force, if the impact force is greater than the force which can be reduced by the first spring 13, the front cushion 5 continuously moves towards the inner cavity of the groove 9, the front cushion 5 extrudes the inflatable column 12 and the second spring 11, the resilience force of the inflatable column 12 and the second spring 11 continuously reduces the impact force, when the front cushion 5 completely moves to the grooved inner cavity, the metal cushion 4 and the inflatable cushion 3 are contacted with the impacted object, the resilience force of the inflatable cushion 3 reduces the impact force, the damage of the impact force to the vehicle body 1 is reduced, when the inflatable cushion 3 or the inflatable column 12 is extruded, the gas in the inflatable cushion 3 or the inflatable column 12 can extrude the sealing plug 10, if the extrusion force of the gas on the sealing plug 10 is greater than, the sealing plug 10 moves to the outer side of the vent hole, the vent hole is opened, the gas in the inflatable cushion 3 or the inflatable column 12 can be discharged into the air, the inflatable cushion 3 or the inflatable column 12 is prevented from being broken under the action of pressure, the use of the buffer mechanism is influenced, the conducting strip three 14 and the conducting strip four 15 in the mechanism are in a separated state at the moment, a control system in the mechanism controls the blower 8 to work, the blower 8 can work to enable the tail end of the air inlet pipe 7 fixedly connected with the blower 8 to generate suction, the air around the air inlet pipe 7 enters the air inlet pipe 7 and moves into the air outlet pipe 6 from the air inlet pipe 7, the gas in the air outlet pipe 6 enters the inflatable cushion 3 or the inflatable column 12 fixedly connected with the air inlet pipe to supplement the gas for the inflatable cushion 3 or the inflatable column 12, the impact force of the inflatable cushion 3 and the inflatable column 12 can be better reduced, and when the conducting strip three 14 and the conducting strip four 15 are contacted again, the blower 8 stops operating.

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. The utility model provides a buffer gear of car blet bump test device, includes automobile body (1), its characterized in that: the front side of the vehicle body (1) is fixedly connected with an inflatable cushion (3), the outer side of the inflatable cushion (3) is fixedly connected with a metal cushion (4), the middle parts of the inflatable cushion (3) and the metal cushion (4) are respectively provided with a slot, the middle part of the front side of the vehicle body (1) is provided with a groove (9), two ends of the inner side of the inner cavity of the groove (9) are respectively and fixedly connected with a first spring (13), the other end of the first spring (13) is fixedly connected with an inflatable column (12), two ends of the other side of the inflatable column (12) are respectively and fixedly connected with a second spring (11), the other end of the second spring (11) is fixedly connected with a front cushion (5), the other end of the front cushion (5) extends to the outer side of the metal cushion (4) through the groove (9), the front cushion (5) and the inflatable column (12) are respectively and movably connected with the groove (9) and the slotted inner cavity, one side of the middle part of the, the air intake fixedly connected with air-supply line (7) of hair-dryer (8), the other end of air-supply line (7) runs through automobile body (1) and extends to the outside of automobile body (1), two air outlet fixedly connected with air-out pipes (6) of hair-dryer (8), one the other end of air-out pipe (6) and one side looks fixed connection of inflatable packer (3), another the opposite side of air-out pipe (6) and one side looks fixed connection of inflatable column (12).

2. The cushion mechanism of a crash test device for a vehicle seat belt according to claim 1, wherein: the inflatable mattress is characterized in that inflatable holes are formed in one sides of the inflatable mattress (3) and the inflatable column (12), the other end of the air outlet pipe (6) is connected with the inflatable holes in a clamped mode, and a first conducting sheet (17) is fixedly connected to the inner side of each inflatable hole.

3. The cushion mechanism of a crash test device for a vehicle seat belt according to claim 1, wherein: the inflatable packer is characterized in that one side of the inner walls of the inflatable cushion (3) and the inflatable column (12) is provided with a fixing groove (2), an inflatable hole is located in the inner ring of the fixing groove (2), the inner side of the inner cavity of the fixing groove (2) is uniformly and fixedly connected with a spring III (18), the other end of the spring III (18) is fixedly connected with a sealing cover (19), the inner wall of the sealing cover (19) is fixedly connected with a second conducting strip, and the second conducting strip can be contacted with the first conducting strip (17).

4. The cushion mechanism of a crash test device for a vehicle seat belt according to claim 1, wherein: the inflatable packer (3) and the one side at inflatable column (12) top all are equipped with the exhaust hole, and the cross area at exhaust hole top is greater than the cross area of its bottom, and the joint has sealing plug (10) in the exhaust hole, and the equal fixedly connected with spring four (16) in both sides at exhaust hole inner chamber top, the other end and sealing plug (10) looks fixed connection of spring four (16), the equal fixedly connected with conducting strip three (14) in both sides on sealing plug (10) top, the conducting strip four (15) of the other both sides fixedly connected with and conducting strip three (14) looks adaptation at exhaust hole inner chamber top.