CN214677861U

CN214677861U - Foreign matter invasion preventing structure of safety belt lock catch

Info

Publication number: CN214677861U
Application number: CN202120188593.4U
Authority: CN
Inventors: 郑见敏; 胡磊; 刘辉; 朴喜俊
Original assignee: Hozon New Energy Automobile Co Ltd
Current assignee: Hozon New Energy Automobile Co Ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-11-12
Anticipated expiration: 2031-01-22

Abstract

The utility model relates to a safety belt hasp technical field relates to a safety belt hasp foreign matter invasion preventing structure, the utility model discloses a: a lock catch and a lock tongue, wherein the lock catch is provided with a lock tongue groove, the lock tongue is arranged in the lock tongue groove, the lock tongue also comprises a foreign matter prevention mechanism, the foreign matter preventing mechanism is sleeved outside the lock catch and comprises a shell and a blocking cover, the shell is tightly attached to the outer wall of the lock catch, the shell is provided with an opening, the plug cover is arranged in the opening, the shell is provided with a round rod, the plug cover is connected around the round rod in a rotating way, a return spring is arranged on the round rod, one end of the return spring is connected with the shell, the other end of the return spring is connected with the plug cover, compared with the prior art, the foreign matter invasion preventing mechanism in the safety belt lock catch foreign matter invasion preventing structure of the utility model is independently assembled at the outer end of the lock catch, is convenient to disassemble and assemble and is easy to disassemble and assemble for cleaning, and the foreign matter prevention mechanism can be additionally arranged on the existing safety belt lock catch, and the safety belt lock catch has a dustproof function through the blocking cover in the foreign matter prevention mechanism.

Description

Foreign matter invasion preventing structure of safety belt lock catch

Technical Field

The utility model relates to a safety belt hasp technical field relates to a foreign matter invasion structure is prevented to safety belt hasp.

Background

With the continuous development of the automobile industry, automobile safety belts are indispensable parts on automobiles. The use of safety belts is also more demanding for the passengers, and some accidental or inadvertent operations may result in the safety belts not being used normally, and may pose a great risk to the passengers.

The safety belt webbing is provided with a bolt, the lock catch is provided with a bolt groove, and the bolt is inserted into the lock catch when the passenger wears the safety belt. The latch grooves are all on the top surface of the latch, and in the overall vehicle arrangement of the latch, the top surface of the latch is mostly flush with the surface of the seat cushion, especially the rear seat. Therefore, small objects can easily fall into the lock tongue groove on the lock catch, the passengers can hardly take out the small objects in the lock tongue groove, and the safety belt cannot be normally used.

In summary, in order to overcome the defects in the prior art, a safety belt lock anti-foreign matter invasion structure which is simple in structure and convenient and fast to install needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve prior art's problem, provide a foreign matter invasion structure is prevented to safety belt hasp.

The purpose of the utility model can be realized by the following technical proposal: a foreign matter intrusion prevention structure of a seat belt buckle includes:

hasp and spring bolt, be equipped with the spring bolt groove on the hasp, the spring bolt is located the spring bolt inslot, still includes prevents foreign matter mechanism, prevent that foreign matter mechanism cover locates the hasp outside, prevent that foreign matter mechanism includes shell and blanking cover, the shell is hugged closely with the outer wall of hasp, be equipped with the opening on the shell, the blanking cover is located in the opening, be equipped with the round bar on the shell, the blanking cover rotates around the round bar and connects, be equipped with reset spring on the round bar, reset spring one end is connected with the shell, the reset spring other end is connected with the blanking cover.

In a further improvement, the plug cover is provided with a first sleeve and a second sleeve, the first sleeve and the second sleeve are sleeved on the round rod, and the return spring is arranged between the first sleeve and the second sleeve.

In a further improvement, a limit groove is arranged on the inner end face of the shell, and one end of the reset spring is arranged in the limit groove.

The improved plug cover is characterized in that the opening section of the shell is in a parallelogram shape, the section of the plug cover is the same as the opening section, and the plug cover is attached to the opening.

In a further improvement, the lower end of the shell is connected with an elastic fastening sleeve, and the elastic fastening sleeve is made of rubber materials.

Compared with the prior art, the utility model discloses prevent among the foreign matter invasion structure of safety belt hasp that foreign matter mechanism independently assembles in the outer end of hasp, the dismouting of being convenient for and easy dismouting wash, and can install additional on current safety belt hasp and prevent foreign matter mechanism, make it have dustproof function through preventing the blanking cover in the foreign matter mechanism.

Drawings

FIG. 1 is a schematic structural diagram of the present invention

Fig. 2 is a schematic view of the locking structure of the present invention

FIG. 3 is a schematic structural view of the foreign object preventing mechanism of the present invention

FIG. 4 is a partially enlarged view of FIG. 3

FIG. 5 is a schematic structural view of the cross-sectional view of FIG. 3

In the figure, 1-lock catch, 11-lock tongue groove, 2-foreign body prevention mechanism, 21-shell, 211-opening, 212-round rod, 213-reset spring, 214-limit groove, 22-blanking cover, 221-sleeve I, 222-sleeve II, and 3-elastic fastening sleeve.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solution of the present invention is further explained below with reference to the following embodiments and accompanying drawings 1 to 5.

Example 1

Hasp 1 and spring bolt, be equipped with spring bolt groove 11 on the hasp 1, the spring bolt is located in spring bolt groove 11, its characterized in that still includes prevents foreign matter mechanism 2, prevent that 2 covers of foreign matter mechanism from locating 1 outsides of hasp, prevent that foreign matter mechanism 2 includes shell 21 and blanking cover 22, shell 21 hugs closely with the outer wall of hasp 1, be equipped with opening 211 on the shell 21, blanking cover 22 is located in opening 211, be equipped with round bar 212 on the shell 21, blanking cover 22 rotates around round bar 212 and connects, be equipped with reset spring 213 on the round bar 212, reset spring 213 one end is connected with shell 21, the reset spring 213 other end is connected with blanking cover 22. As shown in fig. 1, fig. 2 and fig. 3, the foreign matter prevention mechanism 2 is directly sleeved on the outer end surface of the buckle 1, when the lock tongue is not connected to the lock tongue groove 11, the blocking cover 22 closes the opening 211 under the pre-tightening force of the return spring 213 to prevent foreign matters from entering, when the safety belt needs to be fastened, the blocking cover 22 is pushed downwards by the lock tongue to open the opening 211, so that the lock tongue is clamped into the lock tongue groove 11, the fastening of the safety belt is completed, when the safety belt needs to be opened, an operator pushes the blocking cover 22 downwards until an unlocking button inside the buckle 1 is pressed to release the connection between the lock tongue and the lock tongue groove 11, and after the lock tongue is taken out, the blocking cover 22 closes the opening 211 under the pre-tightening force of the return spring 213.

Prevent that foreign matter mechanism 2 independently assembles in the outer end of hasp 1, the dismouting of being convenient for, and can install additional on current safety belt hasp prevent that foreign matter mechanism 2 makes it have dustproof function. Earlier will prevent foreign matter mechanism 2 cover on hasp 1 before using, the spring bolt can insert lock tongue groove 11 through preventing foreign matter mechanism 2, prevents that foreign matter mechanism 2 is pleasing to the eye practical, and easy dismouting washs.

Example 2

The plug cover 22 is integrally connected with a first sleeve 221 and a second sleeve 222 in an injection molding mode, the first sleeve 221 and the second sleeve 222 are sleeved on the round rod 212, and the return spring 213 is arranged between the first sleeve 221 and the second sleeve 222. As shown in fig. 4, the first sleeve 221 and the second sleeve 222 can limit the lateral movement of the return spring 213, so as to improve the working stability of the return spring 213.

Example 3

A limiting groove 214 is formed in the inner end face of the housing 21, and one end of the return spring 213 is arranged in the limiting groove 214. As shown in fig. 4, the limiting groove 214 can prevent one end of the return spring 213 from rotating and the blocking cover 22 cannot be reset, the limiting groove 214 limits the sliding of the return spring 213 on the round rod 212, and the return spring 213 and the limiting groove 214 are not fixedly connected to facilitate the installation of the return spring 213.

Example 4

The opening 211 cross-section of shell 21 is parallelogram, the blanking cover 22 cross-section is the same with opening 211 cross-section, blanking cover 22 laminating opening 211 sets up. As shown in fig. 5, the cross section of the opening 211 of the housing 21 is a general parallelogram, the opening 211 and the blocking cover 22 form a certain inclination angle, which facilitates the rotation of the blocking cover 22, and the inclined opening 211 can reduce dust entering the housing 21, thereby further protecting the cleanliness of the working environment in the lock catch 1.

Example 5

The lower end of the shell 21 is connected with an elastic fastening sleeve 3, and the elastic fastening sleeve 3 is made of rubber materials. As shown in fig. 3, the elastic fastening sleeve 3 is bonded at the lower end of the shell 21, the outer end of the lock catch 1 is sleeved with the lower end of the elastic fastening sleeve 3, the rubber has certain elasticity and has the advantages of durability, easiness in processing, low cost and the like, the applicability of the foreign matter prevention mechanism can be improved by the elastic fastening sleeve 3 at the lower end, the requirement of installation on the lock catches 1 with different sizes is met, and the connection stability is improved by the elastic fastening sleeve 3.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a foreign matter invasion preventing structure of safety belt hasp, includes hasp and spring bolt, be equipped with the spring bolt groove on the hasp, the spring bolt is located the spring bolt inslot, its characterized in that still includes prevents foreign matter mechanism, prevent that foreign matter mechanism cover locates the hasp outside, prevent that foreign matter mechanism includes shell and blanking cover, the shell is hugged closely with the outer wall of hasp, be equipped with the opening on the shell, the blanking cover is located in the opening, be equipped with the round bar on the shell, the blanking cover rotates around the round bar to be connected, be equipped with reset spring on the round bar, reset spring one end is connected with the shell, the reset spring other end is connected with the blanking cover.

2. The structure of claim 1, wherein the plug cover is provided with a first sleeve and a second sleeve, the first sleeve and the second sleeve are arranged on the round rod, and the return spring is arranged between the first sleeve and the second sleeve.

3. The structure of claim 1, wherein a limiting groove is formed on the inner end surface of the housing, and one end of the return spring is disposed in the limiting groove.

4. The structure of claim 1, wherein the cross section of the opening of the housing is a parallelogram, the cross section of the cap is the same as the cross section of the opening, and the cap is disposed to fit the opening.

5. The structure of claim 1, wherein an elastic fastening sleeve is connected to a lower end of the housing, and the elastic fastening sleeve is made of rubber.