CN215573554U

CN215573554U - Pressure sensor calibrating device of automobile seat

Info

Publication number: CN215573554U
Application number: CN202121401774.7U
Authority: CN
Inventors: 孙恒大
Original assignee: Nanjing Kebang Composite Material Co ltd
Current assignee: Nanjing Kebang Composite Material Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-01-18
Anticipated expiration: 2031-06-23

Abstract

The utility model relates to the technical field of automobile seats, and provides a pressure sensor calibration device of an automobile seat, which comprises a base, a rack, a button and a display screen, wherein the rack is arranged on one side of the top end of the base, the button is arranged on the surface of the rack, the display screen is arranged on the surface of the rack close to the button, a fixing structure is arranged on the other side of the top end of the base, the fixing structure comprises a groove plate, a bolt, a clamping plate and convex particles, the groove plate is arranged on one side of the top end of the base, the bolt penetrates through the two sides of the groove plate, the clamping plate is arranged in the bolt penetrating through the groove plate, and the convex particles are arranged on the surface of the clamping plate.

Description

Pressure sensor calibrating device of automobile seat

Technical Field

The utility model relates to the technical field of automobile seats, in particular to a pressure sensor calibration device of an automobile seat.

Background

The automobile manufacturing is more and more intelligent, wherein the automobile seat can detect whether a person sits on the seat through a pressure sensor, so that the safety of the automobile is improved, the pressure sensor on the automobile seat generally needs to be calibrated when in use, and the detection accuracy is kept, so that a calibration device of the pressure sensor is needed;

therefore, a patent with publication number CN211061112U discloses a pressure sensor calibration device for automobile seats, which comprises a movable base, a lifting table and a tension sensor for calibration, wherein two bilaterally symmetrical upright posts are fixedly mounted on the movable base, the lifting table is driven by two sets of gear and rack driving mechanisms to move up and down along the upright posts, manual pressing mechanisms are fixedly mounted at the top ends of the two upright posts, a tension sensor mounting base driven by the manual pressing mechanisms to move up and down is mounted at the bottom of the manual pressing mechanisms, and the tension sensor is mounted on the tension sensor mounting base. The beneficial effects are that: this calibrating device realizes supporting, exerting pressure to car seat's pressure sensor to extrude each other through force sensor and car seat's pressure sensor, utilize the interact of power, can learn car seat's pressure sensor with force sensor and car seat's pressure sensor's pressure value contrast.

However, the existing calibrating device has certain defects, such as the inconvenience of fixing the pressure sensor by the existing calibrating device for the pressure sensor, and the movement of the position of the pressure sensor is easily caused when the pressure sensor is extruded, thereby the detection error occurs.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a pressure sensor calibration device of an automobile seat, which is used for solving the defects that the existing pressure sensor calibration device of the automobile seat is inconvenient to fix a pressure sensor, and the position of the pressure sensor is easy to move when extrusion is used, so that detection errors occur.

(II) contents of utility model

In order to solve the technical problems, the utility model provides the following technical scheme: a pressure sensor calibration device of an automobile seat comprises a base, a rack, a button and a display screen, wherein the rack is arranged on one side of the top end of the base;

a button is arranged on the surface of the rack, and a display screen is arranged on the surface of the rack close to the upper part of the button;

the opposite side on base top is provided with fixed knot and constructs, fixed knot constructs including frid, bolt, splint and protruding grain, the frid sets up in one side on base top, the bolt has all been run through to the both sides of frid, the inside that the bolt runs through the frid is provided with splint, the surface of splint is provided with protruding grain.

Preferably, there are two sets of said clamping plates, both sets of said clamping plates being symmetrically designed about the vertical central axis of the channel plate.

Preferably, one side of frame is provided with elevation structure, elevation structure includes servo motor, baffle, slide bar, sliding sleeve, lead screw, drive block and elevator, the lead screw sets up in one side of frame, the bottom of lead screw is provided with the baffle, one side and the frame lateral wall welded fastening of baffle, the bottom of baffle is provided with servo motor, servo motor's output shaft runs through the baffle and is connected the transmission with the lead screw, be provided with the slide bar between lead screw and the frame.

Preferably, a sliding sleeve is arranged on the sliding rod, and a sliding structure is formed between the sliding sleeve and the sliding rod.

Preferably, be provided with the drive block on the lead screw, one side and the sliding sleeve welded fastening of drive block, the opposite side of drive block is provided with the elevator, the outer wall of lead screw is provided with the external screw thread, the inner wall of drive block is provided with the internal thread, be threaded connection between lead screw and the drive block.

Preferably, the bottom of elevator piece is provided with the dismouting structure, the dismouting structure includes force sensor, clamp plate, ejector pin, flexure strip, draw-in groove and side mouth, the ejector pin sets up in the bottom of elevator piece, the both sides of ejector pin are fixed with the flexure strip, the bottom of ejector pin is provided with force sensor, force sensor's bottom is provided with the clamp plate, force sensor's top is provided with the draw-in groove, the side mouth has been seted up to the both sides of draw-in groove.

Preferably, the ejector rod is clamped in the clamping groove, the elastic sheet penetrates through and extends to two sides of the side opening, and a clamping structure is formed between the ejector rod and the clamping groove.

(III) advantageous effects

The pressure sensor calibration device of the automobile seat has the advantages that: by arranging the fixing structure, the pressure sensor is placed in the groove plate at the top of the base, the bolts at two sides of the groove plate are rotated, the bolts drive the clamping plates in the groove plate to approach to the space between the groove plates, and the pressure sensor placed in the middle of the groove plate is clamped at two sides, so that subsequent detection is facilitated;

the lifting structure is arranged, the servo motor is started, the servo motor drives the screw rod to rotate and simultaneously drives the driving block to lift on the screw rod, the driving block keeps stable by utilizing the sliding of the sliding sleeve on one side on the sliding rod, the lifting block is driven to lift, the tension sensor and the pressure sensor at the bottom of the lifting block are extruded, and the pressure value error is detected;

through being provided with the dismouting structure, force sensor utilizes can not order the draw-in groove card go into to elevator bottom ejector pin on, and the flexure strip that the ejector pin both sides set up runs through draw-in groove both sides side mouth and fixes, presses outstanding flexure strip during the dismantlement, take force sensor out can.

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 introduced below, and it is obvious that the drawings in the following description are 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 schematic front view of the present invention;

FIG. 2 is a front view of the detachable structure of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 5 is a schematic perspective view of the trough plate of the present invention.

The reference numerals in the figures illustrate: 1. a base; 2. a fixed structure; 201. a groove plate; 202. a bolt; 203. a splint; 204. convex particles; 3. a frame; 4. a button; 5. a lifting structure; 501. a servo motor; 502. a partition plate; 503. a slide bar; 504. a sliding sleeve; 505. a screw rod; 506. a drive block; 507. a lifting block; 6. a display screen; 7. a disassembly and assembly structure; 701. a tension sensor; 702. pressing a plate; 703. a top rod; 704. an elastic sheet; 705. a card slot; 706. and a side port.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the pressure sensor calibration device for the automobile seat provided by the utility model comprises a base 1, a frame 3, a button 4 and a display screen 6, wherein the frame 3 is arranged on one side of the top end of the base 1, the button 4 is arranged on the surface of the frame 3, the display screen 6 is arranged on the surface of the frame 3 close to the button 4, the fixing structure 2 is arranged on the other side of the top end of the base 1, the fixing structure 2 comprises a groove plate 201, a bolt 202, a clamping plate 203 and convex particles 204, the groove plate 201 is arranged on one side of the top end of the base 1, the bolt 202 penetrates through the two sides of the groove plate 201, the clamping plate 203 is arranged inside the groove plate 201 by the bolt 202, the convex particles 204 are arranged on the surface of the clamping plate 203, the clamping plates 203 are arranged in two groups, and the two groups of clamping plates 203 are symmetrically designed about the vertical middle axis of the groove plate 201;

when the structure is used, the pressure sensor is positioned by using the groove plate 201, and then the bolts 202 on the two sides of the groove plate 201 rotate to drive the clamping plate 203 to move so as to clamp and fix the pressure sensor;

one side of the frame 3 is provided with a lifting structure 5, the lifting structure 5 comprises a servo motor 501, a partition plate 502 and a slide bar 503, the automatic lifting device comprises a sliding sleeve 504, a screw rod 505, a driving block 506 and a lifting block 507, wherein the screw rod 505 is arranged on one side of a rack 3, a partition plate 502 is arranged at the bottom end of the screw rod 505, one side of the partition plate 502 is fixedly welded with the side wall of the rack 3, a servo motor 501 is arranged at the bottom end of the partition plate 502, an output shaft of the servo motor 501 penetrates through the partition plate 502 to be connected with and driven by the screw rod 505, a sliding rod 503 is arranged between the screw rod 505 and the rack 3, the sliding sleeve 504 is arranged on the sliding rod 503, a sliding structure is formed between the sliding sleeve 504 and the sliding rod 503, the driving block 506 is arranged on the screw rod 505, one side of the driving block 506 is fixedly welded with the sliding sleeve 504, the lifting block 507 is arranged on the other side of the driving block 506, external threads are arranged on the outer wall of the screw rod 505, internal threads are arranged on the inner wall of the driving block 506, and the screw rod 505 is in threaded connection with the driving block 506;

when the structure is used, the servo motor 501 drives the screw rod 505 to rotate and simultaneously drives the driving block 506 to move up and down on the screw rod 505, meanwhile, one side of the driving block 506 is fixed with the sliding sleeve 504, and the sliding sleeve 504 is sleeved on the sliding rod 503, so that the driving block 506 is lifted and lowered stably, and the automation is improved;

the bottom end of the lifting block 507 is provided with a dismounting structure 7, the dismounting structure 7 comprises a tension sensor 701, a pressing plate 702, a top rod 703, an elastic sheet 704, a clamping groove 705 and a side opening 706, the top rod 703 is arranged at the bottom end of the lifting block 507, the two sides of the top rod 703 are fixedly provided with the elastic sheets 704, the bottom end of the top rod 703 is provided with the tension sensor 701, the bottom end of the tension sensor 701 is provided with the pressing plate 702, the top end of the tension sensor 701 is provided with the clamping groove 705, the two sides of the clamping groove 705 are provided with the side opening 706, the top rod 703 is clamped into the clamping groove 705, the elastic sheets 704 penetrate through and extend to the two sides of the side opening 706, and a clamping structure is formed between the top rod 703 and the clamping groove 705;

when the structure is used, the tension sensor 701 is fixed with the top rod 703 at the bottom of the lifting block 507 by the clamping groove 705 at the top, the top rod 703 is clamped on the clamping groove 705 by the elastic pieces 704 at two sides, two sides of the elastic pieces 704 extend to the outside of the side opening 706 for fixing, and the protruding elastic pieces 704 are pressed when the structure is disassembled.

The working principle is as follows: when the pressure sensor fixing device is used, firstly, the pressure sensor is placed between the groove plates 201 of the base 1, the bolts 202 on the two sides of the groove plates 201 are rotated, the bolts 202 drive the clamping plates 203 in the groove plates 201 to extrude towards the groove plates 201, and the pressure sensor is clamped and fixed, so that the pressure sensor is fixed;

secondly, the tension sensor 701 is clamped into a top rod 703 at the bottom end of the lifting block 507 through a clamping groove 705 at the top, the top rod 703 is clamped into side ports 706 at two sides of the clamping groove 705 by using elastic pieces 704 at two sides for fixing, and the tension sensor 701 can be integrally disassembled by pressing the elastic pieces 704 at the protruding part;

finally, the servo motor 501 is started, the servo motor 501 drives the top screw rod 505 to rotate, the driving block 506 on the screw rod 505 goes up and down, the sliding of the sliding sleeve 504 fixed on one side of the driving block 506 on the sliding rod 503 can keep the stability of the lifting of the driving block 506, the pressing plate 702 at the bottom of the bottom tension sensor 701 is driven to extrude with the pressure sensor at the bottom, numerical values are displayed through the display screen 6, the calibration of the pressure sensor can be completed when the numerical value error between the two is small, when the error is large, the pressure sensor is calibrated manually, and then the test is performed afterwards, and the calibration is completed.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a pressure sensor calibrating device of car seat, includes base (1), frame (3), button (4) and display screen (6), its characterized in that: a rack (3) is arranged on one side of the top end of the base (1);

a button (4) is arranged on the surface of the rack (3), and a display screen (6) is arranged on the surface of the rack (3) close to the upper part of the button (4);

the opposite side on base (1) top is provided with fixed knot and constructs (2), fixed knot constructs (2) including frid (201), bolt (202), splint (203) and protruding grain (204), frid (201) set up in one side on base (1) top, bolt (202) have all been run through to the both sides of frid (201), the inside that bolt (202) run through frid (201) is provided with splint (203), the surface of splint (203) is provided with protruding grain (204).

2. The pressure sensor calibration device for the vehicle seat according to claim 1, wherein: the clamping plates (203) are arranged in two groups, and the two groups of clamping plates (203) are symmetrically designed relative to the vertical central axis of the groove plate (201).

3. The pressure sensor calibration device for the vehicle seat according to claim 1, wherein: one side of frame (3) is provided with elevation structure (5), elevation structure (5) include servo motor (501), baffle (502), slide bar (503), sliding sleeve (504), lead screw (505), drive block (506) and elevator block (507), lead screw (505) set up in one side of frame (3), the bottom of lead screw (505) is provided with baffle (502), one side and frame (3) lateral wall welded fastening of baffle (502), the bottom of baffle (502) is provided with servo motor (501), the output shaft of servo motor (501) runs through baffle (502) and is connected the transmission with lead screw (505), be provided with slide bar (503) between lead screw (505) and frame (3).

4. The pressure sensor calibration device for the vehicle seat according to claim 3, wherein: a sliding sleeve (504) is arranged on the sliding rod (503), and a sliding structure is formed between the sliding sleeve (504) and the sliding rod (503).

5. The pressure sensor calibration device for the vehicle seat according to claim 3, wherein: be provided with drive block (506) on lead screw (505), one side and sliding sleeve (504) welded fastening of drive block (506), the opposite side of drive block (506) is provided with elevator block (507), the outer wall of lead screw (505) is provided with the external screw thread, the inner wall of drive block (506) is provided with the internal thread, be threaded connection between lead screw (505) and drive block (506).

6. The pressure sensor calibration device for the vehicle seat according to claim 3, wherein: the bottom of lift piece (507) is provided with dismouting structure (7), dismouting structure (7) include force sensor (701), clamp plate (702), ejector pin (703), elastic sheet (704), draw-in groove (705) and side mouth (706), ejector pin (703) set up in the bottom of lift piece (507), the both sides of ejector pin (703) are fixed with elastic sheet (704), the bottom of ejector pin (703) is provided with force sensor (701), the bottom of force sensor (701) is provided with clamp plate (702), the top of force sensor (701) is provided with draw-in groove (705), side mouth (706) have been seted up to the both sides of draw-in groove (705).

7. The pressure sensor calibration device for the vehicle seat according to claim 6, wherein: the ejector rod (703) is clamped in the clamping groove (705), the elastic piece (704) penetrates through and extends to two sides of the side opening (706), and a clamping structure is formed between the ejector rod (703) and the clamping groove (705).