CN217415695U - Safety belt assembly with telescopic sleeve - Google Patents

Abstract

The utility model discloses a safety belt component with a telescopic sleeve, which has the technical proposal that the safety belt component comprises a winder and a braid arranged in the winder, wherein a lock tongue is arranged at one end of the braid, an elastic buffer sleeve is arranged on the braid sleeve, the buffer sleeve is positioned between the lock tongue and the winder, and a support rod for fixing the safety belt component on a vehicle seat is arranged on the buffer sleeve; when the meshbelt returns and contracts when the coiler, the one end of cushion collar is contradicted at the spring bolt, has seted up a plurality of fixed orifices on the branch, and the quantity of fixed orifices has threely, and the cushion collar gives meshbelt one end and returns the surplus that contracts, and the meshbelt is fast to return back the back lock that contracts and is died, and the user can make the cushion collar compression through pressing the spring bolt to realize that the meshbelt in the cushion collar returns and contracts in the coiler, realize the meshbelt unblock in the coiler.

Description

Safety belt assembly with telescopic sleeve

Technical Field

The utility model relates to a safety belt field, more specifically says that it relates to a safety belt subassembly with telescopic sleeve.

Background

The safety belt includes the meshbelt, and the one end winding of meshbelt is accomodate in the coiler, and the other end of meshbelt is fixed with the spring bolt, and the spring bolt is used for carrying out the lock with the hasp on the saddle.

When the safety belt is used, the safety belt generally has two states, one of which is that: the moving speed of the mesh belt is uniform, so that the mesh belt is very smooth when being pulled out. The second step is as follows: when the safety belt moves and moves in an accelerated mode, for example, when a vehicle is collided, a human body suddenly tilts forward, the woven belt moves in an accelerated mode, the phenomenon that a pawl and a fluted disc in the winder are locked can occur, and protection is achieved.

However, in reality, a third use state of the seat belt often occurs, in which the person in the vehicle releases the webbing when leaving the vehicle, so that the webbing is retracted into the retractor in an accelerated state.

And to some fatteners of size, when using the safety belt, the length that the meshbelt was pulled out is longer, personnel get off the vehicle and untie behind the meshbelt, the meshbelt returns with great acceleration and returns to the coiler, the acceleration when returning back of meshbelt this moment is too big, the phenomenon of card death that pawl and fluted disc can appear equally in the back of returning back in the coiler of meshbelt, only need return one section with the meshbelt this moment and enter into the coiler and just can be to the phenomenon unblock of card death, but because the meshbelt has all retracted in the coiler, so can't realize the effective unblock to the safety belt.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a safety belt subassembly with flexible cover, cushion collar return the surplus for meshbelt one end, and the meshbelt returns the back dead back of contracting fast, and the user can make the cushion collar compress through pressing the spring bolt to realize that the meshbelt in the cushion collar returns and contracts to the coiler in, realize the meshbelt unblock in to the coiler.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a safety belt assembly with a telescopic sleeve comprises a winder and a braid arranged in the winder, wherein a lock tongue is arranged at one end of the braid, an elastic buffer sleeve is sleeved on the braid, the buffer sleeve is positioned between the lock tongue and the winder, and a support rod for fixing a vehicle seat is arranged on the buffer sleeve; when the mesh belt retracts to the winder, one end of the buffer sleeve is abutted against the lock tongue.

Preferably, the support rod is provided with a plurality of fixing holes.

Preferably, the number of the fixing holes is three.

Preferably, the cushion sleeve is a rubber sleeve.

Preferably, the buffer sleeve is a corrugated pipe sleeve.

Preferably, the cushion collar includes two openings, and the open-ended inner wall is equipped with the lug that contradicts the meshbelt surface, and open-ended cross-section is the rectangle, and the lug is located the longer inner wall of opening, and the lug on two longer inner walls is in opposite directions and staggered arrangement.

Preferably, the bump has a hemispherical structure.

To sum up, the utility model discloses following beneficial effect has: the buffer sleeve has the function of blocking at the front part, the movable end of the braid retracts for allowance, and after the braid retracts rapidly and is locked, a user can press the lock tongue to compress the buffer sleeve, so that the braid in the buffer sleeve retracts into the winder, and the braid in the winder is unlocked; secondly, the spring bolt end of meshbelt striking dynamics is great when returning back, and spring bolt end and coiler are mostly the rigidity collision, and the coiler entry end is strikeed by the rigidity for a long time, and life can shorten, in this design, the fender effect that separates of cushion sleeve for the earlier striking cushion sleeve of closure, and slow down under the elastic deformation of cushion sleeve, make the striking dynamics that the coiler received reduce to some extent, make coiling ware and spring bolt both be difficult for bumping, prolonged 2 people's life.

The supporting rod is used for being fixed on a vehicle seat and positioning the buffer sleeve, so that the buffer sleeve can separate and block the bolt.

The rubber sleeve has good deformation capacity, is convenient for a user to compress the buffer sleeve and is easy to elastically reset.

The corrugated pipe shaped folding lines are more beneficial to compression deformation, and a user can compress the buffer sleeve conveniently.

Drawings

Fig. 1 is a schematic view of the structure of the harness assembly of embodiment 1;

FIG. 2 is a schematic view showing the structure of a cushion collar in embodiment 1;

fig. 3 is a schematic view of the seatbelt assembly in the vehicle seat in embodiment 1;

FIG. 4 is a schematic view showing the position of the opening of the cushion sheath in embodiment 2;

fig. 5 is an enlarged view of a portion a in fig. 4.

In the figure: 1. a winder; 2. weaving a belt; 3. a latch bolt; 4. a buffer sleeve; 5. a strut; 6. a fixing hole; 7. a vehicle seat; 8. locking; 91. an opening; 92. and (4) a bump.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Embodiment 1, a safety belt assembly with a telescopic sleeve, referring to fig. 1 to 3, comprises a retractor 1, a webbing 2 installed in the retractor 1, the retractor 1 being capable of generating a retracting force to cause the webbing 2 to automatically retract the webbing 2; when the speed of the woven belt 2 relative to the winder 1 is too fast, the winder 1 can automatically lock the woven belt 2. When the webbing 2 retracts and is locked too fast, a vehicle seat person needs to send the webbing 2 at one end in the retracting direction, and the locked winder can be unlocked.

The movable end of the mesh belt 2 is provided with a bolt 3, and the mesh belt 2 can be pulled out from the winder 1 by pulling the bolt 3.

Under the automatic winding function of the winding device 1, the mesh belt 2 can be automatically wound back into the winding device 1.

The braid 2 is sleeved with an elastic buffer sleeve 4, the buffer sleeve 4 is a rubber sleeve, and the buffer sleeve 4 is in a corrugated pipe sleeve structure; the both ends of cushion collar 4 are equipped with opening 91, and two openings 91 are used for meshbelt 2 to wear to establish, and the cross section of spring bolt 3 is greater than cushion collar 4 opening 91, therefore spring bolt 3 can't pass cushion collar 4. The webbing 2 is free to move within the cushion sleeve 4.

The buffer sleeve 4 is positioned between the bolt 3 and the winder 1, and when the mesh belt 2 retracts to the winder 1, one end of the buffer sleeve 4 is abutted against the bolt 3.

The buffer sleeve 4 is provided with a support rod 5 fixed on the saddle 7, the support rod 5 is provided with three fixing holes 6, and the fixing holes 6 can be penetrated by screws so that the support rod 5 is fixed on the saddle 7; in other embodiments, the rod 5 may be fixed to the retractor 1 by screws.

According to the working principle, on the seat 7, when a user gets off the vehicle, the bolt 3 and the buckle 8 of the mesh belt 2 are unlocked, the mesh belt 2 retracts quickly under the rolling force of the rolling device 1, and the bolt 3 of the mesh belt 2 is abutted to the position of the buffer sleeve 4 to stop rolling;

when the meshbelt 2 is retracting at the speed of excessively fast, behind the meshbelt 2 card dies at the 4 positions of cushion collar, the user can make the cushion collar 4 compress through pressing spring bolt 3 to realize that 2 surplus of meshbelt in the cushion collar 4 retract to the coiler 1 in, realize 2 unblocks of meshbelt in the coiler 1.

Embodiment 2, a safety belt assembly with a telescopic cover, which is different from embodiment 1, referring to fig. 1, 4-5, a cushion cover 4 includes two openings 91, and the two openings 91 are used for the webbing 2 to pass through.

The cross-section of the opening 91 is rectangular, and therefore, the end of the opening 91 includes two longer inner walls and two shorter inner walls, thereby making the opening 91 rectangular.

The lug 92 is positioned on the longer inner wall of the opening 91, the lug 92 is fixed on the buffer sleeve 4 in an adhesion way, because of the protrusion effect of the lug 92, the lug 92 is contacted with the belt surface of the ribbon 2, and the design is to reduce the friction contact between the belt surface and the position of the opening 91 when the ribbon 2 passes through the buffer sleeve 4 back and forth, and reduce the friction loss of the ribbon 2.

The lugs 92 on the two longer inner walls are arranged oppositely and in a staggered mode, the contact point position of the lugs 92 to the mesh belt 2 can be increased, when the mesh belt 2 contacts with the edge of the opening 91, the lugs 92 can effectively support the mesh belt 2, and the situation that the mesh belt 2 is folded due to lack of support at local positions can be avoided.

The top ends of the convex blocks 92 on the two longer inner walls are provided with intervals, the width of the intervals is larger than the thickness of the mesh belt 2, so that the mesh belt 2 can move in a suspension manner in the opening 91, the mesh belt 2 can move in the collision convex blocks 92, and the moving state that the mesh belt 2 slides in the suspension manner in the opening 91 can also occur.

The bump 92 has a hemispherical structure. The hemispherical shape has a smooth surface, which further reduces the contact wear between the webbing 2 and the projection 92.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that modifications and embellishments within the scope of the present disclosure may be made by those skilled in the art without departing from the principles of the present disclosure.

Claims (7)

1. The utility model provides a safety belt subassembly with flexible cover, includes coiler (1), installs meshbelt (2) in coiler (1), and spring bolt (3), characterized by are installed to the one end of meshbelt (2): an elastic buffer sleeve (4) is sleeved on the mesh belt (2), the buffer sleeve (4) is positioned between the bolt (3) and the winder (1), and a support rod (5) for fixing on a saddle (7) is installed on the buffer sleeve (4);

when the mesh belt (2) retracts to the winder (1), one end of the buffer sleeve (4) is abutted against the bolt (3).

2. The harness assembly with a retractable cover as claimed in claim 1, wherein: the supporting rod (5) is provided with a plurality of fixing holes (6).

3. The harness assembly with a retractable cover as claimed in claim 2 wherein: the number of the fixing holes (6) is three.

4. The harness assembly with a retractable cover as claimed in claim 1, wherein: the buffer sleeve (4) is a rubber sleeve.

5. The harness assembly with a telescopic sleeve according to claim 1 or 4, wherein: the buffer sleeve (4) is a corrugated pipe sleeve.

6. The harness assembly with a retractable cover as claimed in claim 1, wherein: the buffer sleeve (4) comprises two openings (91), the inner wall of each opening (91) is provided with a bump (92) which is abutted to the surface of the braid (2), the cross section of each opening (91) is rectangular, the bumps (92) are located on the longer inner walls of the openings (91), and the bumps (92) on the two longer inner walls are arranged oppositely and in a staggered mode.

7. The harness assembly with a telescoping sleeve as in claim 6 wherein: the bumps (92) have a hemispherical structure.

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