CN109823303B - Coiler that makes an uproar falls in subassembly position department is felt to car - Google Patents
Coiler that makes an uproar falls in subassembly position department is felt to car Download PDFInfo
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- CN109823303B CN109823303B CN201910250786.5A CN201910250786A CN109823303B CN 109823303 B CN109823303 B CN 109823303B CN 201910250786 A CN201910250786 A CN 201910250786A CN 109823303 B CN109823303 B CN 109823303B
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Abstract
The invention relates to a retractor for reducing noise at a vehicle sensing component position, which comprises a belt sensing component, a noise reduction piece and a vehicle sensing component, wherein the belt sensing component is arranged on the vehicle sensing component; the belt sensing component is provided with outer teeth of a disc; the noise reduction part is arranged on the outer teeth of the disc, interaction force is generated between the noise reduction part and the outer teeth of the disc and extrusion is generated, and the outer teeth of the disc do circular motion under the trigger of the woven belt and provide motion trend for the noise reduction part to generate friction force; when the mesh belt is rewound, the noise reduction piece rotates and presses the car feel arms of the car feel component from the front or the side through a locking mechanism on the noise reduction piece, so that the moving space of the steel balls of the car feel component is limited; when the meshbelt is pulled out, the noise reduction piece reversely rotates, and the noise reduction piece is separated from the vehicle sensing arm of the vehicle sensing component. Its advantages are: the steel ball state of the car feel component can be limited, so that the steel ball is in a specified position after a passenger does not wear or wears a safety belt, the steel ball cannot move due to the running of a vehicle, and the sound emitted by the car feel component is eliminated.
Description
Technical Field
The invention relates to the technical field of automobile accessories, in particular to a retractor for reducing noise at a position of a vehicle sensing component.
Background
With the rapid development of the automobile industry, automobiles become products with high popularity, and enter thousands of households. Therefore, the requirements for safety and comfort of automobiles are also continuously increased. The retractor is a key component of passive safety of the automobile.
The retractor is a retractor with an emergency locking function and is a core component of an automobile safety belt. A traditional safety belt is installed behind a vehicle body, a steel ball in a vehicle sensing assembly is in a relatively free state, the steel ball is influenced by vehicle running and collides with nearby parts to generate sound, and the interference sound easily causes discomfort for a user.
Chinese patent document CN201710475885.4, application date 20170621, with patent names: the retractor, the disclosed technical scheme is: a retractor comprises a bracket, a mandrel assembly arranged in the bracket, a balance wheel arranged in a disc at the end part of the mandrel assembly, and a balance wheel pressure spring arranged in the disc and elastically supporting the balance wheel, and a pressure spring support for supporting the balance wheel pressure spring; the balance wheel limiting spring is arranged on the outer end face of the disc and can rotate around the rotating shaft of the mandrel component, and comprises a first limiting end which is abutted against the pressure spring support when the woven belt of the mandrel component is pulled out; a second limit end which abuts against the swing end of the balance wheel when the webbing is retracted; the balance wheel limiting spring is arranged between the pressure spring support and the balance wheel in a swinging mode.
The above-mentioned patent document mainly aims to reduce noise generated in the balance structure and to make the frictional force generated by the oscillation method unstable, but cannot be realized with respect to a technique that can reduce noise at the position of the vehicle body feeling assembly and can stably generate the frictional force.
In view of the above, there is a need for a retractor capable of reducing noise at a vehicle sensing component position and stably generating friction force, and no report on such a retractor is found at present.
Disclosure of Invention
The invention aims to provide a retractor capable of reducing noise at a vehicle sensing component position, aiming at the defects in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a retractor for reducing noise at a vehicle sensing component position comprises a belt sensing component, a noise reducing component and a vehicle sensing component; the belt sensing component is provided with outer teeth of a disc; the noise reduction part is arranged on the outer teeth of the disc, interaction force is formed between the noise reduction part and the outer teeth of the disc and extrusion is generated, the outer teeth of the disc do circular motion under the trigger of the braid and provide motion trend for the noise reduction part to generate friction force, and the noise reduction part rotates in a reciprocating and circulating mode relative to the outer teeth of the disc through the friction force; when the mesh belt is rewound, the noise reduction piece rotates and presses the car feel arms of the car feel component from the front or the side through a locking mechanism on the noise reduction piece, so that the moving space of the steel balls of the car feel component is limited; when the meshbelt is pulled out, the noise reduction piece reversely rotates, the noise reduction piece is separated from the vehicle sensing arm of the vehicle sensing component, and the vehicle sensing component is in a free state.
As a preferable technical scheme, the noise reduction piece and the disc are driven to rotate by the friction force generated by the gravity or/and the elasticity between the outer teeth of the noise reduction piece and the disc; or when the noise reduction piece and the outer teeth of the disc are assembled, the friction force generated by pressing in/out/up/down directions drives the noise reduction piece to rotate.
As a preferable technical scheme, after the noise reduction piece and the outer teeth of the disc are assembled, the friction force generated by the outward tension of the noise reduction piece when the outward tension of the noise reduction piece and the outer teeth of the disc move mutually drives the noise reduction piece to rotate; the noise reduction piece comprises a card, a locking piece and a carrier piece; the carrier sheet is of a semi-closed structure; the card is arranged on the inner side of the carrier sheet; the locking piece is arranged on the peripheral surface of the carrier sheet.
As a preferable technical solution, the noise reduction member includes a clamping sheet, a carrier sheet, and a locking sheet, wherein when the clamping sheet is assembled with the outer teeth of the disc, the noise reduction member depends on the tension generated by the deformation of the clamping sheet and generates friction force in combination with the circumferential motion of the outer teeth of the disc.
As a preferred technical solution, the noise reduction member includes a carrier sheet, a locking sheet; the locking piece is arranged on the peripheral surface of the carrier sheet; an end groove is arranged at the upper end part or the lower end part of the outer teeth of the disc; the outer diameter of the end groove is larger than the inner diameter of the carrier sheet; the noise reduction piece is clamped into the end groove of the external teeth of the disc through the carrier plate; the noise reduction member relies on the carrier plate fitting within the end slots of the outer teeth of the disc to create outward tension and friction in combination with the circular motion of the outer teeth of the disc.
As a preferred technical solution, the noise reduction member includes a carrier spring strip and a locking strip; the locking strip is arranged at one end part of the carrier spring strip; the carrier spring strip is buckled at the bottom of the outer teeth of the disc; the locking strip and the carrier spring strip are integrally formed at one time, the locking strip is U-shaped, and the U-shaped locking strip is clamped in the thickness direction of the outer teeth of the disc; when the carrier spring strip is buckled at the bottom of the outer teeth of the disc, the carrier spring strip is assembled on the outer teeth of the disc to generate outward tension and generate friction force in combination with circular motion of the outer teeth of the disc.
As a preferred technical scheme, the noise reduction piece comprises a carrier spring strip, a locking strip and a gathering block; the locking strip is arranged at one end part of the carrier spring strip; an end clamping groove is formed in the upper end portion or the lower end portion of the disc outer teeth, and the outer diameter of the end clamping groove is larger than the inner diameter of the carrier spring strip; the noise reduction piece is arranged in a clamping groove at the end part of the outer teeth of the disc through a carrier spring strip; the number of the locking strips is two; the closing block closes the two locking strips together; the carrier spring strip is buckled in a clamping groove at the end part of the outer teeth of the disc, and the carrier spring strip is assembled on the outer teeth of the disc to generate inward tension and generate friction force in combination with the circular motion of the outer teeth of the disc.
As a preferred technical solution, the noise reduction member includes a carrier spring strip and a locking strip; the carrier spring strip is of a semi-open ring type structure; the locking strip and the carrier spring strip are integrally formed at one time; an end clamping groove is formed in the upper end part or the lower end part of the outer teeth of the disc; the noise reduction piece is fixed in the end clamping groove through the carrier spring strip, and the inner diameter of the carrier spring strip is smaller than the outer diameter of the end clamping groove; when the carrier spring strip is assembled with the outer teeth of the disc, inward tension is generated and combined with the circular motion of the outer teeth of the disc, so that friction force is generated.
As a preferred technical scheme, the retractor further comprises a bracket, a mandrel component and an end cover; the mandrel component is arranged on the bracket; a belt sensing component is arranged at one end part of the mandrel component; the lower edge of the belt sensing component is provided with a vehicle sensing component; the outer side of the noise reduction piece is provided with an end cover, the end cover is provided with a limit point, and the limit point is matched with a vehicle sensing arm on the vehicle sensing assembly and prompts the noise reduction piece to rotate in a reciprocating and circulating mode relative to the outer teeth of the disc.
As a preferable technical solution, the noise reduction member may be made of a polymer material, a metal material or a non-metal material.
The invention has the advantages that:
1. the invention provides a retractor for reducing noise at the position of a vehicle sensing component 3, which can enable a steel ball 32 of the vehicle sensing component 3 to be in a specified position after a passenger does not wear or wears a safety belt, and can not move due to the running of a vehicle, thereby eliminating the sound emitted by the vehicle sensing component 3.
2. Be equipped with and fall the piece 5 of making an uproar, the piece 5 synchronous rotation of making an uproar falls in the rotation of the disc external tooth 41 of the subassembly 3 is felt to the car, and when meshbelt 7 pulled out, fall the piece of making an uproar and the separation of the subassembly 3 is felt to the car, and the locking function of the subassembly 3 is felt to the car resumes.
3. When the mesh belt 7 is recovered, the noise reduction piece presses the vehicle sensing arm 31, so that the movement of the steel ball 32 is limited; the simple structure of the piece 5 of making an uproar falls, fall 5 parts of making an uproar and just can realize falling the function of making an uproar, and it is few (1) to feel to restrain the newly-increased part of mechanism than other cars, simple to operate (can accomplish by one hand), the stable performance, make full use of the axial space of disc external tooth 41 and end cover 8 simultaneously.
4. The gravity or/and elasticity between the noise reduction piece 5 and the outer teeth 41 of the disc generates friction force to drive the noise reduction piece 5 to rotate; or the noise reduction piece 5 and the outer teeth 41 of the disc are assembled with inward/outward/upward/downward pressing to generate friction force to drive the noise reduction piece 5 to rotate. So as to obtain continuous and stable friction force.
Drawings
Fig. 1 is a block diagram of a retractor for reducing noise at a vehicle sensing component position according to the present invention.
Figure 2 is an exploded view of a retractor for noise reduction at a vehicle feel assembly location in accordance with the present invention.
FIG. 3 is a schematic view of the assembly of the noise reduction member with the outer teeth of the disc.
Fig. 4 is an exploded view of a retractor for reducing noise at a vehicle sensor assembly position according to embodiment 2 of the present invention.
FIG. 5 is a schematic view showing the assembly of the noise reducing member and the outer teeth of the disk in the embodiment 2.
Fig. 6 is an exploded view of a retractor for reducing noise at a vehicle sensor assembly position according to embodiment 3 of the present invention.
Fig. 7 is a schematic view showing the assembly of the noise reducing member with the outer teeth of the disc in embodiment 3.
Fig. 8 is an exploded view of a retractor for reducing noise at a vehicle feel component position according to embodiment 4 of the present invention.
Fig. 9 is a schematic view showing the assembly of the noise reducing member with the outer teeth of the disc in embodiment 4.
Fig. 10 is an exploded view of a retractor for reducing noise at a vehicle feeling component position according to embodiment 5 of the present invention.
Fig. 11 is a schematic view showing the assembly of the noise reducing member with the outer teeth of the disc in embodiment 5.
Fig. 12 is an exploded view of a retractor for reducing noise at a vehicle feeling component position according to embodiment 6 of the present invention.
Fig. 13 is a schematic view showing the assembly of the noise reducing member with the outer teeth of the disc in embodiment 6.
Detailed Description
The following detailed description of the present invention will be made with reference to the accompanying drawings.
The reference numerals and components referred to in the drawings are as follows:
1. support 2. dabber subassembly
3. Vehicle sensor assembly 31, vehicle sensor arm
32. Steel ball 33 vehicle sensing seat
4. Tape sensor assembly 41. disc outer teeth
5. Noise reduction piece
51. Card 52 locking piece
53. Carrier sheet 54, snap-in sheet
55. End groove 56, carrier spring bar
57. Locking strip 58. gathering block
59. End clamping groove 6 locking mechanism
7. Ribbon 8 end cover
Referring to fig. 1, fig. 1 is a block diagram of a retractor for reducing noise at a position of a vehicle sensing component 3 according to the present invention. A retractor for reducing noise at the position of a vehicle sensing component 3 comprises a belt sensing component 4, a noise reducing piece 5 and the vehicle sensing component 3; the belt sensing component 4 is provided with a disc external tooth 41; the noise reduction piece 5 is arranged on the outer disc teeth 41, interaction force is generated between the noise reduction piece 5 and the outer disc teeth 41 and extrusion is generated, the outer disc teeth 41 do circular motion under the trigger of the mesh belt 7 and provide motion trend for the noise reduction piece 5 to generate friction force, and the noise reduction piece 5 rotates in a reciprocating and circulating mode relative to the outer disc teeth 41 through the friction force; when the mesh belt 7 is rewound, the noise reduction piece 5 rotates and presses the car feel arms 31 of the car feel component 3 from the front or the side through the locking mechanisms 6 on the noise reduction piece 5, so that the moving space of the steel balls 32 of the car feel component 3 is limited; when the mesh belt 7 is pulled out, the noise reduction piece 5 rotates reversely, the noise reduction piece 5 is separated from the vehicle sensing arm 31 of the vehicle sensing component 3, and the vehicle sensing component 3 is in a free state.
It should be noted that:
the noise reduction piece 5 can be made of a high polymer material, a metal material or a non-metal material.
In order to reduce noise, the steel ball 32 of the vehicle sensing assembly 3 needs to be limited, the noise reduction piece 5 needs to rotate in a reciprocating manner and is limited by the locking mechanism 6, the power of the reciprocating rotation of the noise reduction piece 5 is provided by friction force, and the friction force generation needs to have two conditions, namely, the existence of extrusion acting force between the noise reduction piece 5 and the disc external teeth 41 is needed; another is that the noise reduction member 5 and the outer teeth 41 of the disc are required to exhibit a tendency to move relatively. The force required for the compression between the noise reduction element 5 and the outer teeth 41 of the disc is an important determinant directly related to the presence of friction stabilization. Under satisfying the coiler normal operating condition, need consider the effort direction and fall 5 specific structure etc. of making an uproar, just can obtain lasting stable frictional force. In order to obtain continuous stable friction force, the noise reduction piece 5 is driven to rotate by the friction force generated by the gravity or/and the elastic force between the noise reduction piece 5 and the outer teeth 41 of the disc; or when the noise reduction piece 5 and the outer teeth 41 of the disc are assembled, the friction force generated by pressing in the inward/outward/upward/downward directions drives the noise reduction piece 5 to rotate, and the friction force is less than or equal to 20N. The manner and structure of each friction force generation is different, and is further described below by some examples.
Example 1
Referring to fig. 2 and 3, fig. 2 is an exploded view of a retractor for reducing noise at a position of a vehicle sensing component 3 according to the present invention. Fig. 3 is a schematic view of the assembly of the noise reducing member 5 with the outer teeth 41 of the disc. A retractor for reducing noise at the position of a vehicle sensing component 3 comprises a bracket 1, a mandrel component 2, the vehicle sensing component 3, a belt sensing component 4, a noise reducing component 5 and an end cover 8; the mandrel component 2 is arranged on the bracket 1; a belt sensing component 4 is arranged at one end part of the mandrel component 2; the lower edge of the belt sensing component 4 is provided with a vehicle sensing component 3; the belt sensing component 4 comprises a disc external tooth 41; the noise reduction piece 5 is butted on the outer end face of the disc outer teeth 41, and the noise reduction piece 5 is driven to rotate by utilizing the friction force generated when the outward tension of the noise reduction piece 5 and the disc outer teeth 41 move mutually; the outer side of the noise reduction piece 5 is provided with an end cover 8, and the end cover 8 is provided with a limit point which enables the noise reduction piece 5 to rotate in a reciprocating and circulating mode relative to the outer teeth 41 of the disc.
The noise reduction piece 5 comprises a card 51, a locking piece 52 and a carrier piece 53; the carrier sheet 53 is of a semi-closed structure; the card 51 is arranged on the inner side of the carrier sheet 53; the locking piece 52 is arranged on the outer circumferential surface of the carrier piece 53; the carrier plate 53 and the outer teeth 41 of the disk are in butt joint.
The vehicle sensing component 3 comprises a vehicle sensing arm 31, a steel ball 32 and a vehicle sensing seat 33; the car feel arm 31 is hinged on the car feel seat 33; a steel ball 32 is mounted on the lower edge of the vehicle sensing arm 31.
The embodiment needs to be explained as follows: the noise reduction piece 5 is driven to rotate by the friction force generated by the outward tension of the noise reduction piece 5 when the noise reduction piece 5 moves with the outer teeth 41 of the disc.
In the scheme of this embodiment, the function of making an uproar just can be fallen through falling 5 parts of making an uproar, and it is few (1) to have more newly-increased parts than other car feelings inhibition mechanism, simple to operate (can accomplish by one hand), stable performance (the ring section produces tension). And simultaneously, the axial space between the outer teeth 41 of the disc and the end cover 8 is fully utilized.
The mandrel component 2 is used for accommodating and winding the woven belt 7, and meanwhile, the mandrel component 2 rotates to transmit power to the belt sensing component 4.
The lower edge of the belt sensing component 4 is the vehicle sensing component 3, when the mesh belt 7 is rewound, the noise reduction component 5 rotates and presses the vehicle sensing arm 31 of the vehicle sensing component 3 from the front or the side through the locking sheet 52, so that the moving space of the steel ball 32 is limited; when the mesh belt 7 is pulled out, the noise reduction piece 5 rotates reversely, the noise reduction piece 5 is separated from the vehicle sensing arm 31 of the vehicle sensing component 3, and the vehicle sensing component 3 is in a normal state.
The noise reduction piece 5 is used for limiting the steel ball 32 of the vehicle sensing component 3 at a specified position by the rotation of the noise reduction piece 5 according to the friction force after a passenger does not wear or wears a safety belt, and the noise reduction piece cannot move due to the running of a vehicle, so that the sound emitted by the vehicle sensing component 3 is eliminated.
In the embodiment, the friction force generated by the outward tension of the noise reduction piece 5 when the noise reduction piece and the outer teeth 41 of the disc move mutually drives the noise reduction piece 5 to rotate; the specific scheme is as follows: the noise reduction piece 5 comprises a card 51, a locking piece 52 and a carrier piece 53; clamping the card 51 on the inner wall surface of the outer disk teeth 41, and installing the carrier plate 53 on the outer end surface of the outer disk teeth 41 in a butt joint mode; the noise reduction piece 5 depends on the outward tension of the card 51 acting on the inner wall of the outer disk teeth 41 and combines with the friction force generated by the circular motion of the outer disk teeth 41, so that the friction force for promoting the rotation of the noise reduction piece 5 is generated in a stable mode. Preferably, the friction force generated by the interaction of the noise reduction piece 5 and the outer teeth 41 of the disc is less than 20N.
The outer side of the noise reduction piece 5 is provided with an end cover 8, and the end cover 8 is provided with a limit point. By setting the limit point, the noise reduction piece 5 can rotate circularly and reciprocally.
The carrier sheet 53 of the noise reduction member 5 is semi-closed, and has the function of eliminating the influence of tension and holding force factors. Thereby facilitating the generation of a stable and continuous frictional force.
Example 2
Referring to fig. 4 and 5, fig. 4 is an exploded schematic view of a retractor for reducing noise at a position of a vehicle sensing component 3 according to embodiment 2 of the present invention. Fig. 5 is an assembly diagram of the noise reducer 5 and the outer teeth 41 of the disk in embodiment 2. The present embodiment is substantially the same as embodiment 1, except that the noise reduction member 5 in the present embodiment has a different structure, and the friction force generating manner for causing the noise reduction member 5 to rotate reciprocally is correspondingly different. The noise reducer 5 in this embodiment includes a click-in sheet 54, a carrier sheet 53, and a lock sheet 52; the click-in sheet 54 is provided on the inner wall surface of the carrier sheet 53; the locking piece 52 is provided on the outer peripheral surface of the carrier piece 53.
In the embodiment, the friction force generated by the outward tension of the noise reduction piece 5 when the noise reduction piece and the outer teeth 41 of the disc move mutually drives the noise reduction piece 5 to rotate; the specific scheme is as follows: the noise reduction piece 5 comprises a clamping sheet 54, a carrier sheet 53 and a locking sheet 52, wherein when the clamping sheet 54 is assembled with the outer teeth 41 of the disc, tension generated by deformation of the clamping sheet 54 is relied on, and friction force is generated by combination of circular motion of the outer teeth 41 of the disc; the engaging sheet 54 has a ring-shaped structure and is fitted into the inner peripheral surface of the carrier sheet 53. The friction force generation mode is generated by the deformation of the snap-in sheet 54, that is, the snap-in sheet 54 needs to be connected with the inner wall of the disc outer teeth 41 through interference fit when being assembled, so that the generation of the friction force is continuously stable. Preferably, the friction force generated by the interaction of the noise reduction piece 5 and the outer teeth 41 of the disc is less than 20N.
The carrier sheet 53 is in a closed ring structure form, and the carrier sheet 53 in the closed ring form has good stability and reliability.
Example 3
Referring to fig. 6 and 7, fig. 6 is an exploded schematic view of a retractor for reducing noise at a position of a vehicle sensing assembly 3 according to embodiment 3 of the present invention. Fig. 7 is an assembly diagram of the noise reducer 5 and the outer teeth 41 of the disk in embodiment 3. The present embodiment is substantially the same as embodiment 1, except that the noise reduction member 5 in the present embodiment has a different structure, and the friction force generating manner for causing the noise reduction member 5 to rotate reciprocally is correspondingly different. The noise reducer 5 in this embodiment includes a carrier sheet 53, a lock sheet 52; the locking piece 52 is arranged on the outer circumferential surface of the carrier piece 53; an end groove 55 is arranged at the upper end or the lower end of the disc outer tooth 41; the outer diameter of the end slots 55 is greater than the inner diameter of the carrier sheet 53; the noise reduction means 5 are snapped into the end grooves 55 of the outer disk teeth 41 by means of the carrier plates 53.
In this embodiment, the noise reduction member 5 is moved by the friction force generated by the outward tension of the end groove 55 on the outer teeth 41 of the disc during the relative movement. Namely, the friction force generated when the end part groove 55 on the disc outer tooth 41 moves mutually with the noise reduction piece 5 is utilized to drive the noise reduction piece 5 to rotate; the specific scheme is as follows: the noise reduction piece 5 comprises a locking piece 52 and a carrier piece 53, wherein the carrier piece 53 is clamped in an end groove 55 of the outer disk teeth 41, and the noise reduction piece 5 is driven to move by utilizing the outward tension of the end groove 55 of the outer disk teeth 41 to generate friction force in relative movement. That is, an outward tensile force is generated by means of the carrier plate 53 fitted in the end groove 55 of the disk outer teeth 41, and a frictional force is generated in conjunction with the circular motion of the disk outer teeth 41. The friction force generation mode is generated at the position where the carrier plate 53 is engaged with the outer disk teeth 41, and the friction force stability is not affected by the rotation of the outer disk teeth 41. The friction force can be continuously and stably generated.
Preferably, in this embodiment, the friction force is generated by utilizing the elastic force axially exerted on the noise reduction member 5 by the end grooves 55 on the outer teeth 41 of the disc to generate friction force to move the noise reduction member 5 in the relative movement.
Example 4
Referring to fig. 8 and 9, fig. 8 is an exploded schematic view of a retractor for reducing noise at a position of a vehicle sensing assembly 3 according to embodiment 4 of the present invention. Fig. 9 is an assembly diagram of the noise reducer 5 and the outer teeth 41 of the disk in embodiment 4. The present embodiment is substantially the same as embodiment 1, except that the noise reduction member 5 in the present embodiment has a different structure, and the friction force generating manner for causing the noise reduction member 5 to rotate reciprocally is correspondingly different. The noise reduction member 5 in this embodiment includes a carrier spring bar 56, a locking bar 57; the locking strip 57 is arranged at one end part of the carrier spring strip 56; the carrier spring strip 56 is buckled into the bottom of the outer teeth 41 of the disc; the locking strip 57 and the carrier spring strip 56 are integrally formed at one time, the locking strip 57 is U-shaped, and the U-shaped locking strip 57 is clamped in the thickness direction of the disc outer teeth 41.
In the embodiment, the friction force generated by the outward tension of the noise reduction piece 5 when the noise reduction piece and the outer teeth 41 of the disc move mutually drives the noise reduction piece 5 to rotate; the specific scheme is as follows: the noise reduction piece 5 comprises a carrier spring strip 56 and a locking strip 57; in the mounting state, the carrier spring strips 56 are made large in diameter and buckled at the bottom of the disc outer teeth 41, and the carrier spring strips 56 are assembled on the disc outer teeth 41 to generate outward tension and generate friction in combination with circular motion of the disc outer teeth 41. The friction force generation means is generated by means of the carrier spring bar 56, and has good stability and consistency.
The embodiment needs to be explained as follows: the locking strip 57 and the carrier spring strip 56 are integrally formed at one time, and the locking strip 57 is U-shaped. This design side can finely tune the shape of locking bar 57 to better lock the car feel assembly.
The carrier spring strips 56 in this embodiment are in the form of a semi-enclosed structure, which requires less axial space than the enclosed carrier plates 56 of embodiment 1, and in particular makes full use of the bottom of the outer teeth of the disks and the axial space.
As a preferable mode in this embodiment, the friction force may also be generated by using the downward tension of the clamping groove on the outer teeth 41 of the disc to generate a friction force in the relative movement to drive the noise reduction part 5 to move; or the noise reduction piece 5 is driven to move by friction force generated by the inward contraction force of the clamping groove of the noise reduction piece 5 in relative movement.
Example 5
Referring to fig. 10 and 11, fig. 10 is an exploded schematic view of a retractor for reducing noise at a position of a vehicle sensing assembly 3 according to embodiment 5 of the present invention. Fig. 11 is an assembly diagram of the noise reducer 5 and the disc outer teeth 41 in embodiment 5. The present embodiment is substantially the same as embodiment 1, except that the noise reduction member 5 in the present embodiment has a different structure, and the friction force generating manner for causing the noise reduction member 5 to rotate reciprocally is correspondingly different. The noise reduction piece 5 in this embodiment includes a carrier spring strip 56, a locking strip 57, and a closing block 58; the locking strip 57 is arranged at one end part of the carrier spring strip 56; an end part clamping groove 59 is formed in the upper end or the lower end of the disc outer tooth 41; the noise reduction piece 5 is arranged in a clamping groove 59 at the end part of the outer teeth 41 of the disc through a carrier spring strip 56; the number of the locking strips 57 is two; the closing block 58 closes the two locking strips 57 together. And the function of the gathering blocks 58 may be replaced by welding or gluing.
In this embodiment, the noise reduction part 5 is moved by friction force generated by the inward tension of the end clamping groove 59 on the outer teeth 41 of the disc during the relative movement. Namely, the friction force generated by the inward tension of the noise reduction piece 5 when the noise reduction piece and the outer teeth 41 of the disc move mutually drives the noise reduction piece 5 to rotate; the specific scheme is as follows: the noise reduction piece 5 comprises a carrier spring strip 56 and a locking strip 57; in the installed state, the outer diameter of the end clamping groove 59 is larger than the inner diameter of the carrier spring bar 56, and the carrier spring bar 56 is assembled on the outer disk teeth 41 to generate inward tension and generate friction force in combination with the circular motion of the outer disk teeth 41. In addition, the closing block 58 is arranged, and the closing block 58 prevents the diameter of the annular part from changing under the influence of the limiting point when the noise reduction piece 5 rotates in different directions, so that the friction force is inconsistent, and the comfort is further influenced.
Preferably, in this embodiment, the friction force is generated by utilizing the elastic force of the end portion locking groove 59 on the outer teeth 41 of the disc, which is applied to the noise reduction member 5 in the axial direction, to generate friction force to drive the noise reduction member 5 to move in the relative movement.
Example 6
Referring to fig. 12 and 13, fig. 12 is an exploded schematic view of a retractor for reducing noise at a position of a vehicle sensing assembly 3 according to embodiment 6 of the present invention. Fig. 13 is an assembly diagram of the noise reducer 5 and the outer teeth 41 of the disk in embodiment 6. The present embodiment is substantially the same as embodiment 1, except that the noise reduction member 5 in the present embodiment has a different structure, and the friction force generating manner for causing the noise reduction member 5 to rotate reciprocally is correspondingly different. The noise reduction member 5 in this embodiment includes a carrier spring bar 56, a locking bar 57; the carrier spring bar 56 is of a semi-open ring structure; the locking strip 57 and the carrier spring strip 56 are integrally formed at one time; an end clamping groove 59 is formed in the upper end or the lower end of the disc outer tooth 41; the noise reduction piece 5 is fixed in the end clamping groove 59 through the carrier spring strip 56, and the inner diameter of the carrier spring strip 56 is smaller than the outer diameter of the end clamping groove 59.
In this embodiment, the noise reduction piece 5 is driven to rotate by friction generated by the inward tension of the noise reduction piece 5 on the end portion clamping groove 59 on the outer teeth 41 of the disc. The specific scheme is as follows: the inner diameter of the carrier spring strips 56 is smaller than the outer diameter of the end locking grooves 59, so that the carrier spring strips 56 can be deformed inward, that is, when the carrier spring strips 56 are assembled with the outer disk teeth 41, inward tension is generated, and the circular motion of the outer disk teeth 41 is combined, so that friction is generated. The friction force generation mode can generate continuous and stable friction force.
The embodiment needs to be explained as follows:
the noise reduction piece 5 is fixed in the end clamping groove 59 through the carrier spring strip 56, is convenient to mount (the noise reduction piece is clamped into the end clamping groove 59), is high in consistency and good in stability (is not influenced by temperature), and avoids the diameter change of the circular arc part when the noise reduction piece 5 rotates in different directions.
Preferably, in this embodiment, the generating manner of the friction force further includes driving the noise reduction member 5 to rotate by using the friction force generated by the axial elastic force applied to the noise reduction member 5 by the end portion catching groove 59 on the outer teeth 41 of the disc.
The retractor for reducing the noise at the position of the vehicle sensing component 3 can limit the state of the steel ball 32 of the vehicle sensing component 3, so that the steel ball 32 is positioned at a specified position and cannot move due to the running of a vehicle after a passenger does not wear or wears a safety belt, and the sound emitted by the vehicle sensing component 3 is eliminated; the noise reduction piece 5 is arranged, the disc outer teeth 41 of the vehicle sensing component 3 rotate to drive the noise reduction piece 5 to rotate synchronously, when the woven belt 7 is pulled out, the noise reduction piece is separated from the vehicle sensing component 3, and the locking function of the vehicle sensing component 3 is recovered; when the mesh belt 7 is recovered, the noise reduction piece presses the vehicle sensing arm 31, so that the movement of the steel ball 32 is limited; the noise reduction piece 5 is simple in structure, one part of the noise reduction piece 5 can realize the noise reduction function, the number of the noise reduction piece is less (1) compared with other vehicle sensation suppression mechanisms, the installation is convenient (the noise reduction can be completed by one hand), the performance is stable, and meanwhile, the axial space between the disc outer teeth 41 and the end cover 8 is fully utilized; the gravity or/and elasticity between the noise reduction piece 5 and the outer teeth 41 of the disc generates friction force to drive the noise reduction piece 5 to rotate; or the noise reduction piece 5 and the outer teeth 41 of the disc are assembled with inward/outward/upward/downward pressing to generate friction force to drive the noise reduction piece 5 to rotate. So as to obtain continuous and stable friction force.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and additions can be made without departing from the method of the present invention, and these modifications and additions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A retractor for reducing noise at a vehicle sensing component position is characterized by comprising a belt sensing component, a noise reduction piece and a vehicle sensing component; the belt sensing component is provided with outer teeth of a disc; the noise reduction part is arranged on the outer teeth of the disc, interaction force is generated between the noise reduction part and the outer teeth of the disc and extrusion is generated, the outer teeth of the disc do circular motion under the trigger of the braid and provide motion trend for the noise reduction part to generate friction force, an end cover is arranged on the outer side of the noise reduction part, a limit point is arranged on the end cover and matched with a vehicle sensing arm on the vehicle sensing component, the noise reduction part is promoted to rotate in a reciprocating and circulating mode, the outer teeth of the disc of the sensing component rotate to drive the noise reduction part to rotate synchronously, and the friction force is stable friction force; when the mesh belt is rewound, the noise reduction piece rotates and presses the car feel arms of the car feel component from the front or the side through a locking mechanism on the noise reduction piece, so that the moving space of the steel balls of the car feel component is limited; when the meshbelt is pulled out, the noise reduction piece reversely rotates, the noise reduction piece is separated from the vehicle sensing arm of the vehicle sensing component, and the vehicle sensing component is in a free state. .
2. The retractor according to claim 1, wherein the noise reduction member is rotated by friction force generated by gravity and/or elasticity between the noise reduction member and the outer teeth of the disc; or when the noise reduction piece and the outer teeth of the disc are assembled, the friction force generated by pressing inwards or outwards or upwards or downwards drives the noise reduction piece to rotate.
3. The retractor according to claim 1, wherein after the noise reduction member is assembled with the outer teeth of the disc, the noise reduction member is driven to rotate by friction force generated when outward tension of the noise reduction member moves with the outer teeth of the disc; the noise reduction piece comprises a card, a locking piece and a carrier piece; the carrier sheet is of a semi-closed structure; the card is arranged on the inner side of the carrier sheet; the locking piece is arranged on the peripheral surface of the carrier sheet.
4. The retractor according to claim 1 wherein the noise reducing member includes a snap-in tab, a carrier tab, and a locking tab, wherein the noise reducing member relies on tension generated by deformation of the snap-in tab when the snap-in tab is assembled with the outer teeth of the disk, and generates friction in combination with circular motion of the outer teeth of the disk.
5. The retractor according to claim 1 wherein the noise reducing member includes a carrier sheet, a locking sheet; the locking piece is arranged on the peripheral surface of the carrier sheet; an end groove is arranged at the upper end part or the lower end part of the outer teeth of the disc; the outer diameter of the end groove is larger than the inner diameter of the carrier sheet; the noise reduction piece is clamped into the end groove of the external teeth of the disc through the carrier plate; the noise reduction member relies on the carrier plate fitting within the end slots of the outer teeth of the disc to create outward tension and friction in combination with the circular motion of the outer teeth of the disc.
6. The retractor according to claim 1, wherein the noise reduction member includes a carrier spring strip, a locking strip; the locking strip is arranged at one end part of the carrier spring strip; the carrier spring strip is buckled at the bottom of the outer teeth of the disc; the locking strip and the carrier spring strip are integrally formed at one time, the locking strip is U-shaped, and the U-shaped locking strip is clamped in the thickness direction of the outer teeth of the disc; when the carrier spring strip is buckled at the bottom of the outer teeth of the disc, the carrier spring strip is assembled on the outer teeth of the disc to generate outward tension and generate friction force in combination with circular motion of the outer teeth of the disc.
7. The retractor according to claim 1, wherein the noise reduction member includes a carrier spring strip, a locking strip, a closing block; the locking strip is arranged at one end part of the carrier spring strip; an end clamping groove is formed in the upper end portion or the lower end portion of the disc outer teeth, and the outer diameter of the end clamping groove is larger than the inner diameter of the carrier spring strip; the noise reduction piece is arranged in a clamping groove at the end part of the outer teeth of the disc through a carrier spring strip; the number of the locking strips is two; the closing block closes the two locking strips together; the carrier spring strip is buckled in a clamping groove at the end part of the outer teeth of the disc, and the carrier spring strip is assembled on the outer teeth of the disc to generate inward tension and generate friction force in combination with the circular motion of the outer teeth of the disc.
8. The retractor according to claim 1, wherein the noise reduction member includes a carrier spring strip, a locking strip; the carrier spring strip is of a semi-open ring type structure; the locking strip and the carrier spring strip are integrally formed at one time; an end clamping groove is formed in the upper end part or the lower end part of the outer teeth of the disc; the noise reduction piece is fixed in the end clamping groove through the carrier spring strip, and the inner diameter of the carrier spring strip is smaller than the outer diameter of the end clamping groove; when the carrier spring strip is assembled with the outer teeth of the disc, inward tension is generated and combined with the circular motion of the outer teeth of the disc, so that friction force is generated.
9. The retractor according to any one of claims 1 to 8, wherein the retractor further includes a bracket, a spindle assembly; the mandrel component is arranged on the bracket; a belt sensing component is arranged at one end part of the mandrel component; the lower edge of the belt sensing component is provided with a vehicle sensing component.
10. The retractor according to claim 1, wherein the noise reduction member is made of a polymer material or a metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910250786.5A CN109823303B (en) | 2019-03-29 | 2019-03-29 | Coiler that makes an uproar falls in subassembly position department is felt to car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910250786.5A CN109823303B (en) | 2019-03-29 | 2019-03-29 | Coiler that makes an uproar falls in subassembly position department is felt to car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109823303A CN109823303A (en) | 2019-05-31 |
| CN109823303B true CN109823303B (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910250786.5A Active CN109823303B (en) | 2019-03-29 | 2019-03-29 | Coiler that makes an uproar falls in subassembly position department is felt to car |
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| Country | Link |
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| CN (1) | CN109823303B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622810B (en) * | 2020-12-22 | 2022-04-22 | 宁波均胜汽车安全系统有限公司 | Noise reduction coiler |
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| FR2555530A1 (en) * | 1983-11-29 | 1985-05-31 | Allied Eng | Car safety belt reel with holding-down device |
| US5507449A (en) * | 1994-08-12 | 1996-04-16 | Trw Vehicle Safety Systems Inc. | Seat belt retractor with noise suppression |
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| CN107310523A (en) * | 2017-07-05 | 2017-11-03 | 江阴市达安汽车零部件有限公司 | Safety belt oblique locking mechanism and its mounting structure |
| CN207523649U (en) * | 2017-11-13 | 2018-06-22 | 比亚迪股份有限公司 | Safety belt retracting assembly and vehicle |
| CN109177914A (en) * | 2018-07-20 | 2019-01-11 | 芜湖金安世腾汽车安全系统有限公司 | A kind of automobile safety belt retractor of noise-reducing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2555530A1 (en) * | 1983-11-29 | 1985-05-31 | Allied Eng | Car safety belt reel with holding-down device |
| US5507449A (en) * | 1994-08-12 | 1996-04-16 | Trw Vehicle Safety Systems Inc. | Seat belt retractor with noise suppression |
| CN205010171U (en) * | 2015-09-09 | 2016-02-03 | 沈阳金杯锦恒汽车安全系统有限公司 | Can reduce car blet coiler of vehicle inductive pick -up noise |
| CN107310523A (en) * | 2017-07-05 | 2017-11-03 | 江阴市达安汽车零部件有限公司 | Safety belt oblique locking mechanism and its mounting structure |
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| Publication number | Publication date |
|---|---|
| CN109823303A (en) | 2019-05-31 |
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