Built-in pressure sensor fastening device of automobile crash dummy

Abstract

The utility model relates to the technical field of automobile collision pressure sensor accessories, in particular to a built-in pressure sensor fastening device of an automobile collision dummy, which comprises a pressure sensor main body, a stress disc arranged at the front end part of the pressure sensor main body, and a rear end fixing disc fixedly arranged at the rear end part of the pressure sensor main body, a cable penetrating hole is formed in the side face of the rear end fixing disc, a fastening assembly is arranged on the pressure sensor body and comprises a supporting seat, the rear end fixing disc is matched with the supporting seat in an inserted mode, and the rear end fixing disc is detachably connected with the supporting seat. A plurality of side edge fixing strips which are annularly arranged at equal intervals are fixedly installed on the annular side face of the supporting seat, a wire clamping hole communicated with the outside is formed in the side face of the supporting seat, and a wire clamping groove is formed in the rear side face of the supporting seat. The utility model has the advantages of firm and stable structure, convenient assembly and wiring, and difficult displacement.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile crash pressure sensor accessories, in particular to the built-in pressure sensor fastening device of automobile crash dummy. BACKGROUND

[0002] In the automobile industry, crash test is a key link to ensure vehicle safety, and crash dummy is an important tool to simulate human reaction in crash accidents. The design and technical level of the crash dummy have a decisive influence on the accuracy of test results. In automobile crash test, built-in pressure sensor is a key equipment to evaluate the force condition of the dummy. They can accurately measure the impact force and pressure distribution of the dummy during the crash process, providing valuable experimental data for researchers, thereby helping to improve vehicle design and safety performance.

[0003] In order to improve the accuracy and reliability of crash test, the fastening device of built-in pressure sensor of automobile crash dummy is particularly important. In the use of traditional fastening device, the built-in pressure sensor is generally fixed in the inside of automobile crash dummy by binding belt. However, due to the soft structure of the binding belt and the easy loosening, especially when the binding is not firm enough, the pressure sensor is prone to displacement or damage during the crash process, thereby affecting the accuracy of test results. In view of this, we propose the built-in pressure sensor fastening device of automobile crash dummy. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing the built-in pressure sensor fastening device of automobile crash dummy to solve the defects in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] The built-in pressure sensor fastening device of automobile crash dummy comprises a pressure sensor main body, a force receiving disc is arranged at the front end of the pressure sensor main body, a rear end fixed disc is fixedly installed at the rear end of the pressure sensor main body, a cable passing hole is arranged on the side surface of the rear end fixed disc, a fastening assembly is arranged on the pressure sensor main body, the fastening assembly comprises a support seat, the rear end fixed disc and the support seat are inserted and matched, the rear end fixed disc and the support seat are detachably connected, a plurality of side edge fixed strips arranged in a ring shape at equal intervals are fixedly installed on the annular side surface of the support seat, and a wire clamping hole connected with the outside is arranged on the side surface of the support seat.

[0007] Preferably, a front end fixed disc is fixedly installed at the front end of the pressure sensor main body, and the force receiving disc is fixedly installed on the front side surface of the front end fixed disc through a plurality of fastening screws.

[0008] Preferably, a cable limiting disc is sleeved on the pressure sensor body, and the cable limiting disc is fixedly installed on the front side of the support base.

[0009] Preferably, a through hole is arranged on the cable limiting disc, and the pressure sensor body passes through and is in sliding connection with the through hole.

[0010] Preferably, the rear end fixing disc is fixedly installed on the inner wall of the support base through a plurality of fastening screws, and the size of the rear end fixing disc is matched with the size of the support base.

[0011] Preferably, a wire clamping groove is arranged on the rear side of the support base, one end of the wire clamping groove extends to the annular side of the support base, and the other end of the wire clamping groove is in communication with the wire clamping hole.

[0012] Preferably, a groove is arranged on the side edge fixing strip, and the groove is in a rectangular ring shape.

[0013] Preferably, a horizontal hole is arranged on the end plate of the side edge fixing strip, and the horizontal hole is arranged in a horizontal shape and is in communication with the outside.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1、The rear end fixing disc is fixedly connected between the support base, and the support base is fixedly installed in the automobile crash dummy through the side edge fixing strip and the cooperation of the fastening bolt, so that the structure is more firm and stable, and the displacement or damage in the collision process is prevented.

[0016] 2、The cable passing hole, the wire clamping hole and the wire clamping groove are arranged, so that the cable arrangement operation can be normally carried out, and the cable limiting disc is arranged, so that the cable limiting operation can be realized, and the damage of the cable moving to the pressure sensor body part in the collision is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is one of the explosion structure schematic views of the utility model;

[0019] Figure 3 It is the second of the explosion structure schematic views of the utility model;

[0020] Figure 4 It is one of the partial structure schematic views of the utility model;

[0021] Figure 5 It is the second of the partial structure schematic views of the utility model;

[0022] The meanings of the various reference numerals in the Figures are as follows:

[0023] 1, pressure sensor body; 10, front end fixed disc; 11, rear end fixed disc; 12, cable passing hole; 13, cable limiting disc; 131, through hole; 14, force receiving disc;

[0024] 2, fastening assembly; 20, support seat; 201, wire clamping hole; 202, wire clamping groove; 21, side fixed strip; 211, groove; 212, horizontal hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Please refer to Figures 1-5 The present application provides a technical solution: an internal pressure sensor fastening device for a car crash dummy, comprising a pressure sensor body 1, a force receiving disc 14 is arranged at the front end of the pressure sensor body 1, a rear end fixed disc 11 is fixedly installed at the rear end of the pressure sensor body 1, a cable passing hole 12 is arranged on the side surface of the rear end fixed disc 11, and the cable passing hole 12 is used for cable passing operation;

[0027] Specifically, a fastening assembly 2 is arranged on the pressure sensor body 1, the fastening assembly 2 comprises a support seat 20, the rear end fixed disc 11 is inserted and matched with the support seat 20, the rear end fixed disc 11 is detachably connected with the support seat 20, specifically, the rear end fixed disc 11 is fixedly installed on the inner wall of the support seat 20 through a plurality of fastening screws, the size of the rear end fixed disc 11 is matched with the size of the support seat 20, and the rear end fixed disc 11 is used for stable assembly operation.

[0028] Specifically, a plurality of side fixed strips 21 arranged in a ring shape at equal intervals are fixedly installed on the annular side surface of the support seat 20, and the side fixed strips 21 are used for fixed installation in the interior of the car crash dummy, thereby achieving the effect of stable support.

[0029] In the embodiment, a wire clamping hole 201 in communication with the outside is arranged on the side surface of the support seat 20, and a wire clamping groove 202 is arranged on the rear side surface of the support seat 20, one end of the wire clamping groove 202 extends to the annular side surface of the support seat 20, the other end of the wire clamping groove 202 is in communication with the wire clamping hole 201, and normal wiring operation can be achieved.

[0030] Specific, the front end of the pressure sensor body 1 is fixedly installed with a front end fixed disc 10, and the stress disc 14 is fixedly installed on the front side of the front end fixed disc 10 through a plurality of fastening screws, so that the fixed installation operation is facilitated.

[0031] Further, the pressure sensor body 1 is sleeved with a cable limiting disc 13, the cable limiting disc 13 is fixedly installed on the front side of the support seat 20, the cable limiting disc 13 is provided with a through hole 131, the pressure sensor body 1 passes through the through hole 131 and is in sliding connection with the through hole 131, and the cable limiting disc 13 can prevent the cable from moving forward to the position of the pressure sensor body 1, so that the cable is prevented from being damaged under pressure in the collision experiment.

[0032] In addition, the side fixing strip 21 is provided with a groove 211, the groove 211 is in a rectangular ring shape, and the groove 211 is used for cooperating with external ropes for binding and fixing operation; and the end plate body of the side fixing strip 21 is provided with a horizontal hole 212, the horizontal hole 212 is horizontally arranged and is in communication with the outside, and the horizontal hole 212 is used for screw penetration and fixing operation.

[0033] The built-in pressure sensor fastening device of the automobile collision dummy in the utility model is used, first, the pressure sensor body 1 is inserted into the support seat 20, the rear end fixed disc 11 is fixedly installed on the inner wall of the support seat 20 through a plurality of fastening screws, then the cable limiting disc 13 is sleeved on the pressure sensor body 1, and the cable limiting disc 13 is fixedly installed on the front side of the support seat 20 through fastening screws, the stress disc 14 is fixedly installed on the front end fixed disc 10, then the cable on the pressure sensor body 1 is pulled out from the cable pulling-out hole 12, the wire clamping hole 201 and the wire clamping groove 202, and finally the side fixing strip 21 is fixedly installed on the internal steel frame of the automobile collision dummy through fastening screws, and then wiring is carried out, so that the fixing operation is completed.

[0034] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the utility model and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An inbuilt pressure sensor fastening device for automotive crash dummies comprising a pressure sensor body (1) characterized by: The front end of the pressure sensor body (1) is provided with a force receiving disc (14), the rear end of the pressure sensor body (1) is fixedly installed with a rear end fixed disc (11), a cable passing hole (12) is arranged on the side surface of the rear end fixed disc (11), a fastening assembly (2) is arranged on the pressure sensor body (1), the fastening assembly (2) comprises a support seat (20), the rear end fixed disc (11) and the support seat (20) are insertedly matched, the rear end fixed disc (11) and the support seat (20) are detachably connected, a plurality of side edge fixed strips (21) arranged in a ring shape at equal intervals are fixedly installed on the annular side surface of the support seat (20), and a cable clamping hole (201) in communication with the outside is arranged on the side surface of the support seat (20).

2. The built-in pressure sensor fastening device for an automotive crash dummy according to claim 1, characterized by: The front end of the pressure sensor body (1) is fixedly installed with a front end fixed disc (10), and the force receiving disc (14) is fixedly installed on the front side surface of the front end fixed disc (10) through a plurality of fastening screws.

3. The built-in pressure sensor fastening device for an automotive crash dummy according to claim 1, characterized by: A cable limiting disc (13) is sleeved on the pressure sensor body (1), and the cable limiting disc (13) is fixedly installed on the front side surface of the support seat (20).

4. The built-in pressure sensor fastening device for an automotive crash dummy according to claim 3, characterized by: A through hole (131) is arranged on the cable limiting disc (13), and the pressure sensor body (1) passes through the through hole (131) and is slidably connected with the through hole (131).

5. The crash test dummy according to claim 1, wherein: The rear end fixed disc (11) is fixedly installed on the inner wall of the support seat (20) through a plurality of fastening screws, and the size of the rear end fixed disc (11) is matched with the size of the support seat (20).

6. The crash test dummy according to claim 1, wherein: A cable clamping groove (202) is arranged on the rear side surface of the support seat (20), one end of the cable clamping groove (202) extends to the annular side surface of the support seat (20), and the other end of the cable clamping groove (202) is in communication with the cable clamping hole (201).

7. The crash test dummy according to claim 1, wherein: A groove (211) is arranged on the side edge fixed strip (21), and the groove (211) is in a rectangular ring shape.

8. The built-in pressure sensor fastening device for an automotive crash dummy according to claim 7, characterized by: A horizontal hole (212) is arranged on the end plate of the side edge fixed strip (21), the horizontal hole (212) is arranged in a horizontal shape and is in communication with the outside.

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