CN108058625B - Automobile seat with damping device - Google Patents

Automobile seat with damping device Download PDF

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Publication number
CN108058625B
CN108058625B CN201810010236.1A CN201810010236A CN108058625B CN 108058625 B CN108058625 B CN 108058625B CN 201810010236 A CN201810010236 A CN 201810010236A CN 108058625 B CN108058625 B CN 108058625B
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CN
China
Prior art keywords
pull rod
seat
slide rail
groove
rod
Prior art date
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Expired - Fee Related
Application number
CN201810010236.1A
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Chinese (zh)
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CN108058625A (en
Inventor
陈少建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Jiulichang Machinery Co ltd
Original Assignee
Anhui Jiulichang Machinery Co ltd
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Publication date
Application filed by Anhui Jiulichang Machinery Co ltd filed Critical Anhui Jiulichang Machinery Co ltd
Priority to CN201810010236.1A priority Critical patent/CN108058625B/en
Publication of CN108058625A publication Critical patent/CN108058625A/en
Application granted granted Critical
Publication of CN108058625B publication Critical patent/CN108058625B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/427—Seats or parts thereof displaced during a crash
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Seats For Vehicles (AREA)

Abstract

The invention discloses an automobile seat with a damping device, which comprises automobile seat bodies connected in sequence, wherein the automobile seat bodies are arranged on seat slide rails in a sliding manner through bases, the tail ends of pull rods are respectively connected with one seat slide rail and control the locking state of the seat slide rails, a damping assembly is arranged at one end, close to the pull rods, of each base, the damping assembly comprises a contact block and a telescopic rod which are connected in sequence, each telescopic rod comprises a moving rod, a spring and an installation cylinder, one end of each moving rod is connected with the contact block, the other end of each moving rod is inserted into the installation cylinder and is connected with the cylinder bottom of the installation cylinder through the spring, and the bottom of the installation cylinder is connected with the bases; the automobile seat body is moved along the seat slide rail, so that the contact block can be contacted with the pull rod, and the spring is in a compressed state. The contact block is contacted with the pull rod, and the spring is compressed gradually, and reduces the moving speed of the automobile seat body, thereby avoiding the condition that the passenger collides with the front object from occurring, and protecting the life safety of the passenger.

Description

Automobile seat with damping device
Technical Field
The invention relates to an automobile seat, in particular to an automobile seat with a damping device.
Background
A so-called car seat is a seat to be seated when sitting on.
The car seat can be roughly classified into: the front row seat comprises a headrest, a backrest, a cushion and armrests; rear seats: headrest, back, cushion, flank, handrail. The automobile seat can be divided into a split seat and a bench seat according to the shape; the functions can be divided into fixed type, detachable type and adjustable type; the number of people can be divided into single, double and multi-person chairs according to the number of the people sitting on the chair.
From the earliest fixed seats, to multifunctional power-adjustable seats, there are air cushion seats, power seats, stereo seats, mental recovery seats, to electronic adjustable seats, depending on the performance of the seat. The chair is divided into a leather chair, a flannelette chair and the like according to the material. There are also seats for special objects of use, such as children's seats and racing seats.
The driver and the passenger of the automobile seat provide a driving and sitting position which is convenient to operate, comfortable and safe, and the automobile seat has the following conditions:
1. the arrangement of the seats in the whole carriage is reasonable, and particularly, the driver seat must be in the optimal position;
2. the appearance design of the chair must accord with the physiological function of human body, and the appearance is attractive on the premise of ensuring the comfort;
3. the seat must be safe and reliable, should have sufficient strength, rigidity and durability, compact structure and reduce the mass as much as possible;
4. in order to satisfy the comfort of drivers and passengers, various adjusting mechanisms are provided with reliable locking devices to ensure safety.
In order to improve the applicability of the automobile seat to passengers with different heights, the seat is usually arranged on the slide rail in a sliding manner through the base, and a U-shaped pull rod is arranged to control the working state of a locking device of the slide rail. The pull rod is pulled upwards, and the base can move along the slide rail; and when the pull rod is put down, the sliding rail is locked by the locking device, and the base cannot move.
In actual use, when the slide rail locking device controlled by the pull rod fails or the locking force is insufficient, the automobile seat slides forwards during emergency braking of the automobile, so that a passenger can collide with a front object, and the safety of the passenger in the seat is reduced.
Disclosure of Invention
The invention aims to provide an automobile seat with a damping device, which solves the problem that in actual use, when a slide rail locking device controlled by a pull rod fails or locking force is insufficient, the automobile seat slides forwards to cause passengers to bump the front objects during emergency braking of an automobile, so that the safety of the passengers sitting on the seat is reduced.
The invention is realized by the following technical scheme:
an automobile seat with a damping device comprises an automobile seat body, a base, a seat slide rail and a U-shaped pull rod which are sequentially connected, wherein the automobile seat body is arranged on the seat slide rail in a sliding mode through the base, the tail ends of the pull rods are respectively connected with one seat slide rail and used for controlling the locking state of the seat slide rail, a damping assembly is arranged at one end, close to the pull rods, of the base and comprises a contact block and a telescopic rod which are sequentially connected, the telescopic rod comprises a moving rod, a spring and an installation cylinder which are sequentially connected and coaxial, one end of the moving rod is connected with the contact block, the other end of the moving rod is inserted into the installation cylinder and connected with the cylinder bottom of the installation cylinder through the spring, and the bottom of the installation cylinder is connected with the base;
the automobile seat body is moved along the seat slide rail, so that the contact block can be contacted with the pull rod, and the spring is in a compressed state.
According to the invention, the damping assembly is a core component, and when the sliding rail locking device controlled by the pull rod fails or the locking force is insufficient, the damping assembly plays a role in protecting passengers.
When slide rail locking means of pull rod control became invalid or locking force was not enough, when leading to the car seat body to slide because of seat slide rail under the inertia effect when car emergency brake car, contact piece and pull rod contact, the spring was compressed gradually to reduce the translation rate of car seat body, avoid then the condition that the passenger collided preceding object to appear, protected passenger's life safety.
When the slide rail locking device controlled by the pull rod is in a normal working state and the seat needs to slide forwards for adjustment, the pull rod is pulled upwards, the automobile seat body is moved forwards, and then the pull rod is put down. When the automobile seat body is moved forwards, the contact block is not in contact with the pull rod, and when the automobile seat is moved, only the friction force between the base and the slide rail is overcome; when the seat is moved after the contact block is contacted with the pull rod, the friction force between the base and the slide rail and the compression deformation force of the spring need to be overcome.
Furthermore, a guide groove is formed in the side wall of the mounting cylinder, the extension axis of the guide groove is parallel to the axis of the mounting cylinder, a guide bar block is arranged on the side wall of the moving rod and matched with the guide groove, and the guide bar block can move along the axis of the guide groove by compressing the other spring.
The guide strip blocks and the guide grooves are arranged, so that the moving rod can only move along the axis of the mounting cylinder, and the situation that the moving rod moves in the radial direction when a fit clearance exists between the moving rod and the mounting cylinder is prevented.
Furthermore, the number of the guide grooves and the number of the guide strip blocks are four, the guide grooves are symmetrical along the axis center of the installation cylinder, and the guide grooves are matched with one guide strip block respectively.
Preferably, the cross section of the guide groove is rectangular, and the cross section size of the guide bar block is consistent with that of the guide groove.
Furthermore, a matching groove is formed in one end, in contact with the pull rod, of the contact block, the automobile seat body is moved along the seat slide rail, the middle section of the pull rod can be located in the matching groove, and the middle section of the pull rod is in contact with the bottom of the matching groove.
The pull rod is U-shaped, and it comprises a straight section and the vertical section that all sets up at two ends in straight section, the interlude be the straight section of pull rod.
The setting of cooperation groove has increased the contact surface of pull rod with the contact piece, and the condition of avoiding the contact piece to skid appears.
Further, the opening size of the fitting groove is larger than the groove bottom size. The opening size of the matching groove is larger than the bottom size of the groove, so that the middle section of the pull rod can be smoothly clamped into the matching groove.
Further, the bottom of the matching groove is concave into a semicircular shape, and when the pull rod is in contact with the matching groove, the pull rod is coaxial with the bottom of the matching groove. Therefore, the contact surface between the pull rod and the matching groove is maximized, and the stability of the compression spring is improved.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. according to the automobile seat with the damping device, when the sliding rail locking device controlled by the pull rod fails or the locking force is insufficient, so that the automobile seat body slides relative to the seat sliding rail under the inertia effect when an automobile is braked suddenly, the contact block is contacted with the pull rod, the spring is gradually compressed, the moving speed of the automobile seat body is reduced, the condition that a passenger collides with a front object is avoided, and the life safety of the passenger is protected;
2. the automobile seat with the damping device is provided with the guide bar blocks and the guide grooves, so that the moving rod can only move along the axis of the mounting cylinder, and the situation that the moving rod moves in the radial direction when a fit clearance exists between the moving rod and the mounting cylinder is prevented;
3. according to the automobile seat with the damping device, the arrangement of the matching groove increases the contact surface of the pull rod and the contact block, and the sliding of the contact block is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a schematic structural view of a shock-absorbing assembly.
Reference numbers and corresponding part names in the drawings:
the automobile seat comprises an automobile seat body, a base, a seat sliding rail, a pull rod, a contact block, a telescopic rod, a moving rod, a spring, a mounting cylinder, a guide groove, a guide bar block and a matching groove, wherein the base is 2, the seat sliding rail is 3, the pull rod is 4, the contact block is 5, the telescopic rod is 6, the moving rod is 7, the spring is 8, the mounting cylinder is 9, the guide groove is 10, the guide bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1-3, the automobile seat with a shock-absorbing device of the present invention comprises an automobile seat body 1, a base 2, a seat slide 3 and a U-shaped pull rod 4 connected in sequence, the automobile seat body 1 is arranged on the seat slide rails 3 in a sliding manner through the base 2, the tail ends of the pull rods 4 are respectively connected with one seat slide rail 3 and control the locking state of the seat slide rails 3, a damping component is arranged at one end of the base 2 close to the pull rod 4, the damping component comprises a contact block 5 and a telescopic rod 6 which are connected in sequence, the telescopic rod 6 comprises a moving rod 7, a spring 8 and an installation cylinder 9 which are sequentially connected and coaxial, one end of the moving rod 7 is connected with the contact block 5, the other end of the moving rod 7 is inserted into the mounting cylinder 9 and is connected with the cylinder bottom of the mounting cylinder 9 through a spring 8, and the bottom of the mounting cylinder 9 is connected with the base 2;
moving the vehicle seat body 1 along the seat slide rail 3 makes the contact block 5 contact with the tension rod 4 and the spring 8 in a compressed state.
When slide rail locking means when 4 controls of pull rod became invalid or locking force was not enough, when leading to car seat body 1 to slide because of seat slide rail 3 under the inertia effect when car emergency brake car, contact piece 5 and pull rod 4 contact, spring 8 was compressed gradually to reduce car seat body 1's removal speed, avoid then the condition that the passenger struck preceding object to appear, protected passenger's life safety.
When the seat needs to be adjusted in a forward sliding mode, the pull rod 4 is pulled upwards, the automobile seat body 1 is moved forwards, and then the pull rod 4 is put down. When the automobile seat body 1 is moved forwards, the contact block 5 is not in contact with the pull rod 4, and when the automobile seat 1 is moved, only the friction force between the base 2 and the slide rail 3 is overcome; when the seat is moved after the contact block 5 contacts the pull rod 4, the friction force between the base 2 and the slide rail 3 and the compression deformation force of the spring 8 need to be overcome.
Further, a guide groove 10 is provided on the side wall of the mounting cylinder 9, the extending axis of the guide groove 10 is parallel to the axis of the mounting cylinder 9, a guide bar 11 is provided on the side wall of the moving rod 7, the guide bar 11 is engaged with the guide groove 10, and the compression of the other spring 8 can move the guide bar 11 along the axis of the guide groove 10.
The guide bars 11 and the guide grooves 10 are arranged to enable the moving rod 7 to move only along the axis of the mounting cylinder 9, so that the moving rod 7 is prevented from moving in the radial direction when a fit clearance exists between the moving rod 7 and the mounting cylinder 9.
Furthermore, the number of the guide grooves 10 and the number of the guide bar blocks 11 are four, the guide grooves 10 are symmetrical along the axis center of the installation cylinder 9, and the guide grooves 10 are respectively matched with one guide bar block 11.
Preferably, the cross section of the guide groove 10 is rectangular, and the cross section size of the guide bar 11 is identical to that of the guide groove 10.
Furthermore, a matching groove 12 is formed in one end, which is in contact with the pull rod 4, of the contact block 5, and the middle section of the pull rod 4 can be located in the matching groove 12 and in contact with the bottom of the matching groove 12 by moving the automobile seat body 1 along the seat slide rail 3.
The pull rod 4 is U-shaped, and it comprises a straight section and the vertical section that all sets up at two ends of straight section, the interlude be pull rod 4's straight section.
The arrangement of the matching groove 12 increases the contact surface of the pull rod 4 and the contact block 5, and the situation that the contact block 5 slips is avoided.
Further, the opening dimension of the fitting groove 12 is larger than the groove bottom dimension. The opening size of the matching groove 12 is larger than the bottom size of the groove, so that the middle section of the pull rod 4 can be smoothly clamped into the matching groove 12.
Further, the bottom of the fitting groove 12 is recessed in a semicircular shape, and when the pull rod 4 is in contact with the fitting groove 12, the pull rod 4 is coaxial with the bottom of the fitting groove 12. This maximizes the contact surface between the tension rod 4 and the mating groove 12, and improves the stability of the compression spring 8.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (6)

1. The utility model provides a car seat with damping device, is including car seat body (1), base (2), seat slide rail (3) and the U-shaped pull rod (4) that connect gradually, car seat body (1) slides through base (2) and sets up on seat slide rail (3), the end of pull rod (4) respectively is connected with a seat slide rail (3) to control the locking state of the locking means of seat slide rail (3), its characterized in that: a damping component is arranged at one end, close to the pull rod (4), of the base (2), the damping component comprises a contact block (5) and a telescopic rod (6) which are sequentially connected, the telescopic rod (6) comprises a moving rod (7), a spring (8) and an installation cylinder (9) which are sequentially connected and coaxial, one end of the moving rod (7) is connected with the contact block (5), the other end of the moving rod (7) is inserted into the installation cylinder (9) and is connected with the cylinder bottom of the installation cylinder (9) through the spring (8), and the bottom of the installation cylinder (9) is connected with the base (2);
the automobile seat body (1) is moved along the seat slide rail (3), so that the contact block (5) can be contacted with the pull rod (4), and the spring (8) is in a compressed state;
the side wall of the installation cylinder (9) is provided with a guide groove (10), the extending axis of the guide groove (10) is parallel to the axis of the installation cylinder (9), the side wall of the moving rod (7) is provided with a guide bar block (11), the guide bar block (11) is matched with the guide groove (10), and the compression spring (8) can enable the guide bar block (11) to move along the axis of the guide groove (10).
2. The vehicle seat with a shock-absorbing device according to claim 1, wherein: the guide grooves (10) and the guide bar blocks (11) are four in number, the guide grooves (10) are symmetrical along the axis center of the mounting cylinder (9), and the guide grooves (10) are respectively matched with one guide bar block (11).
3. A car seat with a shock-absorbing device according to claim 1 or 2, wherein: the cross section of the guide groove (10) is rectangular, and the cross section size of the guide bar block (11) is consistent with that of the guide groove (10).
4. The vehicle seat with a shock-absorbing device according to claim 1, wherein: one end of the contact block (5) contacting with the pull rod (4) is provided with a matching groove (12), the automobile seat body (1) is moved along the seat slide rail (3), and the middle section of the pull rod (4) can be positioned in the matching groove (12) and contacts with the bottom of the matching groove (12).
5. The car seat with a shock-absorbing device according to claim 4, wherein: the opening size of the matching groove (12) is larger than the groove bottom size.
6. The car seat with a shock-absorbing device according to claim 5, wherein: the bottom of the matching groove (12) is concave into a semicircle, and when the pull rod (4) is contacted with the matching groove (12), the pull rod (4) is coaxial with the bottom of the matching groove (12).
CN201810010236.1A 2018-01-05 2018-01-05 Automobile seat with damping device Expired - Fee Related CN108058625B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810010236.1A CN108058625B (en) 2018-01-05 2018-01-05 Automobile seat with damping device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810010236.1A CN108058625B (en) 2018-01-05 2018-01-05 Automobile seat with damping device

Publications (2)

Publication Number Publication Date
CN108058625A CN108058625A (en) 2018-05-22
CN108058625B true CN108058625B (en) 2020-05-19

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Application Number Title Priority Date Filing Date
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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2190579Y (en) * 1993-06-29 1995-03-01 陈郴 Reverse buffer safety seat
CN2820606Y (en) * 2005-07-18 2006-09-27 许建超 Safety chair for automobile driver
KR101229097B1 (en) * 2010-03-29 2013-02-04 대일공업주식회사 Shock absorbing apparatus and Seat apparatus for vehicle including the same
CN102774298B (en) * 2012-07-31 2014-10-01 天津博信汽车零部件有限公司 Automobile seat adjusting mechanism with function of automatically backwards moving once collision occurs
KR20140061193A (en) * 2012-11-12 2014-05-21 조경일 Shock absorbing of car seat
CN103802700B (en) * 2014-02-12 2016-04-13 吴双双 A kind of automotive seat buffer device for collision
CN206031134U (en) * 2016-08-19 2017-03-22 广西城市职业学院 Anti rigid shock formula safety seat of automobile
CN206501746U (en) * 2017-03-07 2017-09-19 河北农业大学 Translational energy-absorbing seat

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