CN217542358U

CN217542358U - Fatigue endurance test bench for automobile seat headrest

Info

Publication number: CN217542358U
Application number: CN202220791340.0U
Authority: CN
Inventors: 沈明; 谢永球; 程本雄; 李国富; 夏中明
Original assignee: Hefei Zhongyan Technology Co ltd
Current assignee: Hefei Zhongyan Technology Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-10-04
Anticipated expiration: 2032-04-07

Abstract

The utility model discloses a car seat headrest fatigue endurance test platform, including test bench and seat headrest, the equal fixed mounting in test bench upper surface both ends has the support frame, and upper portion position is detachable installs the lifter plate between two support frames, and lifter plate lower surface middle part fixed mounting has the cylinder, and the piston rod lower extreme fixed mounting of cylinder has force sensor, and force sensor lower extreme fixed mounting has fixture, and fixture is used for the centre gripping headrest, and locking mechanism is all installed to two support frame inboard surface lower extreme positions, and locking mechanism is used for fixed seat. The utility model discloses simple structure can be fixed with the seat headrest fast, reduces staff's intensity of labour, can fix the seat through locking mechanism and lock, can block the headrest of seat fixed through fixture, starts the cylinder shrink this moment, can control the lift of headrest, can detect the power value when the headrest goes up and down through force sensor to judge the durability of headrest, improved detection efficiency.

Description

Fatigue durability test bed for automobile seat headrest

Technical Field

The utility model relates to the technical field of automobile part detection equipment, in particular to a device for detecting automobile parts, in particular to a fatigue endurance test bed for a headrest of an automobile seat.

Background

The automobile seat is one of the essential parts of the automobile, and the use comfort and the reliability of the automobile seat directly relate to the safety and the riding experience of a driver and a passenger. The seat headrest is used for supporting the head of a driver, can be adjusted according to factors such as the height of an individual in the using process so as to meet the use requirements of different individuals, and the use convenience, reliability and service life of the seat headrest gradually become the concerns of automobile manufacturers, automobile part manufacturers and users.

However, in a service life cycle of a car of more than ten years, the number of times of adjusting the seat headrest is too large, so that the reliability and the service life of the seat headrest after long-term frequent telescopic adjustment become important consideration indexes, and many manufacturers and laboratories need to perform a durability test on the seat headrest before leaving the factory.

The existing headrest detection equipment is complex in structure and troublesome in operation of workers, so that the labor intensity of testers is high, the test period is long, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car seat headrest fatigue endurance test platform.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a car seat headrest fatigue endurance test platform, includes test bench and seat headrest, the equal fixed mounting in test bench upper surface both ends has the support frame, and upper portion position is detachable installs the lifter plate between two support frames, and lifter plate lower surface middle part fixed mounting has the cylinder, and the piston rod lower extreme fixed mounting of cylinder has force sensor, and force sensor lower extreme fixed mounting has fixture, and fixture is used for the centre gripping headrest, and locking mechanism is all installed to two support frame inboard surface lower extreme positions, and locking mechanism is used for fixed seat.

Preferably, the locking mechanism comprises a supporting plate, a knob bolt and a sliding plate, a sliding groove opening is vertically formed in the lower end of the inner side surface of the supporting frame, the sliding plate is slidably mounted in the sliding groove opening, the supporting plate is fixedly mounted at the upper end of the sliding groove opening, a threaded hole is formed in the surface of the supporting plate, and the knob bolt is connected with the supporting plate in a matched mode through the threaded hole.

Preferably, fixture includes U type splint, electric telescopic handle and clamp plate, U type splint upper end and force sensor lower extreme fixed connection, and the clamp plate is located U type splint opening, electric telescopic handle fixed mounting is on a U type splint outside surface, and electric telescopic handle's piston rod activity is inserted and is established in the opening with U type splint, and electric telescopic handle's piston rod and clamp plate fixed connection.

Preferably, the bottom of the sliding chute opening is fixedly provided with a spring, and the upper end of the spring is fixedly connected with the sliding plate.

Preferably, the lower end of the surface of one side of the pressure plate, which is far away from the electric telescopic rod, is provided with a convex part, the convex part and the pressure plate are of an integral structure, and the cross section of the convex part is triangular.

Preferably, the cylinder is electrically connected with a counter.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses simple structure can be fixed with the seat headrest fast, reduces staff's intensity of labour, can be with the fixed locking of seat through locking mechanism, can block the headrest of seat is fixed through fixture, starts the cylinder shrink this moment, can control the lift of headrest, can detect the power value when headrest goes up and down through force sensor to judge the durability of headrest, improved detection efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a structural diagram of a fatigue endurance test bed for a headrest of an automobile seat;

FIG. 2 is a structural diagram of the locking mechanism of the present invention;

fig. 3 is a structural diagram of the clamping mechanism of the present invention.

In the figure: 1 test bed, 2 support frames, 21 sliding groove openings, 22 springs, 31 support plates, 32 knob bolts, 32 sliding plates, 3 locking mechanisms, 4 lifting plates 5 air cylinders, 6 tension sensors, 7 clamping mechanisms, 71U-shaped clamping plates, 72 electric telescopic rods, 73 pressing plates and 74 convex parts.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.

Referring to fig. 1, the utility model provides a car seat headrest fatigue endurance test platform, including test bench 1 and seat headrest, 1 equal fixed mounting in surface both ends has support frame 2 on the test bench, and upper portion position is detachable installs lifter plate 4 between two support frames 2, and 4 lower surface middle part fixed mounting have cylinder 5 on the lifter plate, and the piston rod lower extreme fixed mounting of cylinder 5 has

force sensor

6, and 6 lower extreme fixed mounting of force sensor have fixture 7, and fixture 7 is used for the centre gripping headrest, and 2 inboard surface lower extreme positions of two support frames all install locking mechanism 3, and locking mechanism 3 is used for fixed seat.

Referring to fig. 2, in this embodiment, the locking mechanism 3 includes a supporting plate 31, a knob bolt 32 and a sliding plate 32, a sliding groove 21 is vertically formed in the lower end of the inner side surface of the supporting frame 2, the sliding plate 32 is slidably mounted in the sliding groove 21, the supporting plate 31 is fixedly mounted at the upper end of the sliding groove 21, a threaded hole is formed in the surface of the supporting plate 31, and the knob bolt 32 is cooperatively connected with the supporting plate 31 through the threaded hole.

Referring to fig. 3, in the embodiment, the clamping mechanism 7 includes a U-shaped clamping plate 71, an electric telescopic rod 72 and a pressing plate 73, an upper end of the U-shaped clamping plate 71 is fixedly connected to a lower end of the tension sensor 6, the pressing plate 73 is located in an opening of the U-shaped clamping plate 71, the electric telescopic rod 72 is fixedly installed on an outer side surface of the U-shaped clamping plate 71, a piston rod of the electric telescopic rod 72 is movably inserted into the opening of the U-shaped clamping plate 71, and the piston rod of the electric telescopic rod 72 is fixedly connected to the pressing plate 73.

In this embodiment, a spring 22 is fixedly installed at the bottom in the chute opening 21, the upper end of the spring 22 is fixedly connected with the sliding plate 32, and the sliding plate 32 can be jacked up under the elastic action of the spring 22, so that a worker can conveniently place a seat.

In this embodiment, a protrusion 74 is disposed on a lower end of a side surface of the pressure plate 73 away from the electric telescopic rod 72, the protrusion 74 and the pressure plate 73 are integrated, and a cross section of the protrusion 74 is triangular, so that the headrest can be stably engaged.

In this embodiment, the cylinder 5 is electrically connected with a counter, and can count the number of times the cylinder 5 stretches and retracts, and the durability of the headrest can be conveniently judged according to the data detected by the tension sensor 6.

The working principle is as follows: through screwing up knob bolt 32, slide 32 bounces through spring 22 spring action, the staff can place the seat in slide 32 below this moment, then screw up knob bolt 32, slide 32 can be with the fixed locking of seat, go into U type splint 71 with the headrest card of seat, start electric telescopic handle 72, electric telescopic handle 72 will drive clamp plate 73 and remove to the headrest position, clamp plate 73 can block the headrest is fixed through bulge 74, start-up cylinder 5 shrink this moment, the lift of headrest can be controlled, can detect the power value when the headrest goes up and down through tension sensor 6.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes and modifications can be made by the owner within the scope of the appended claims, and the protection scope of the present invention should not be exceeded by the claims.

Claims

1. The utility model provides a car seat headrest fatigue endurance test platform, includes test bench and seat headrest, its characterized in that: the test bench is characterized in that support frames are fixedly mounted at two ends of the upper surface of the test bench, a lifting plate is detachably mounted at the upper position between the two support frames, a cylinder is fixedly mounted in the middle of the lower surface of the lifting plate, a tension sensor is fixedly mounted at the lower end of a piston rod of the cylinder, a clamping mechanism is fixedly mounted at the lower end of the tension sensor and used for clamping a headrest, and locking mechanisms are mounted at the lower ends of the inner side surfaces of the two support frames and used for fixing a seat.

2. The fatigue endurance test bench for the headrest of the car seat according to claim 1, characterized in that: locking mechanism includes backup pad, knob bolt and slide, the vertical spout mouth of having seted up of support frame inboard surface lower extreme, slide slidable mounting is in spout mouth, backup pad fixed mounting is in spout mouth upper end position, and the screw hole is seted up on the backup pad surface, the knob bolt passes through the screw hole and is connected with the backup pad cooperation.

3. The fatigue endurance test bench for the headrest of the car seat according to claim 1, characterized in that: fixture includes U type splint, electric telescopic handle and clamp plate, U type splint upper end and force sensor lower extreme fixed connection, and the clamp plate is located U type splint opening, electric telescopic handle fixed mounting is on a U type splint outside surface, and electric telescopic handle's piston rod activity is inserted and is established and U type splint opening in, and electric telescopic handle's piston rod and clamp plate fixed connection.

4. The fatigue durability test stand for the headrest of the car seat according to claim 2, characterized in that: the bottom fixed mounting has the spring in the spout mouth, spring upper end and slide fixed connection.

5. The fatigue durability test stand for the headrest of the car seat according to claim 3, characterized in that: the lower end of the surface of one side, away from the electric telescopic rod, of the pressing plate is provided with a protruding portion, the protruding portion and the pressing plate are of an integrated structure, and the cross section of the protruding portion is triangular.

6. The fatigue durability test stand for the headrest of the car seat according to claim 1, characterized in that: the cylinder is electrically connected with a counter.