CN108839634B - Safety belt lock catch - Google Patents
Safety belt lock catch Download PDFInfo
- Publication number
- CN108839634B CN108839634B CN201810521474.9A CN201810521474A CN108839634B CN 108839634 B CN108839634 B CN 108839634B CN 201810521474 A CN201810521474 A CN 201810521474A CN 108839634 B CN108839634 B CN 108839634B
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- China
- Prior art keywords
- clamping groove
- safety belt
- lock tongue
- button
- positioning block
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- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 4
- 208000012260 Accidental injury Diseases 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 5
- 238000003466 welding Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/18—Anchoring devices
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
- A44B11/25—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts with two or more separable parts
- A44B11/2503—Safety buckles
- A44B11/2546—Details
- A44B11/2561—Tongue elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/18—Anchoring devices
- B60R2022/1806—Anchoring devices for buckles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automotive Seat Belt Assembly (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The application discloses a safety belt lock includes: the device comprises a shell, and a lock catch main body, an ejection mechanism, a locking mechanism and a button which are arranged in the shell; the lock catch main body is used for fixedly bearing the ejection mechanism, the locking mechanism and the button; the volume of the safety belt lock catch is smaller, and the occupation of the automobile space can be reduced; the push button is matched with the ejection mechanism and the locking mechanism to lock and release the safety belt lock tongue, and based on the fact that a first clamping groove for inserting the safety belt lock tongue is formed in the shell, and a second clamping groove corresponding to the push button is formed in the shell, and the first clamping groove and the second clamping groove are formed in different sides of the shell; the button and the first clamping groove for inserting the safety belt lock tongue are not arranged on the same plane, so that when the button is pressed to enable the lock tongue to pop out, accidental injury caused by the fact that the popped lock tongue pops out to the hand is avoided, and further experience of a user is improved.
Description
Technical Field
The application relates to the field of automobile safety facilities, in particular to a safety belt lock catch.
Background
With the popularization of automobiles, the safety of automobiles is a concern for users. The safety of the safety belt can be well ensured by the existing safety belt lock catch; generally, when a seat belt is fastened, after the seat belt is pulled in a state where an occupant sits on a seat so that the seat belt surrounds the body of the user, the seat belt is inserted into a locker located at the opposite side of a mounting portion of the seat belt and the seat belt is fixed so that the seat belt is not unwound. However, the existing lock catch has a large volume, so that a part of automobile space is occupied; the main structure of the latch hook of the existing latch is single, so that the strength of the latch hook is low; particularly, the button of the existing lock catch and the socket for receiving the lock tongue are generally designed on a plane, so that the situation that the spring tongue is ejected when the button is pressed to eject the lock tongue is likely to occur, and the ejected lock tongue is ejected to the hand to cause accidental injury, so that the experience of a user is reduced.
Disclosure of Invention
The application provides a safety belt lock catch to solve the volume of current hasp great, occupy car space, and the button of current hasp and the socket that connects the spring bolt are all generally designed on a plane, just so probably appear when pressing the button and let the spring bolt pop out, the spring bolt bullet that pops out leads to the fact the problem of accidental injury to the hand.
The application provides a seat belt buckle, comprising: the device comprises a shell, and a lock catch main body, an ejection mechanism, a locking mechanism and a button which are arranged in the shell;
the safety belt locking device comprises a shell, a safety belt locking bolt and a locking mechanism, wherein the shell is provided with a first clamping groove for inserting the safety belt locking bolt and a second clamping groove arranged on the shell;
the ejection mechanism is arranged on the lock catch main body at a position corresponding to the first clamping groove, and is abutted and pressed after the safety belt lock tongue is inserted into the first clamping groove;
the locking mechanism comprises a positioning block which is arranged on the inner side of the first clamping groove, and after the safety belt lock tongue is inserted into the first clamping groove, the positioning block is inserted into the opening with the lock tongue to lock the safety belt lock tongue;
the button comprises a pressing part, a supporting part and a lifting part which are integrally formed; the supporting part is arranged on the lock catch main body, the pressing part is arranged at the second clamping groove, the lifting part is connected with the positioning block of the locking structure, and when the pressing part is pressed through the second clamping groove, the lifting part is driven to move in the opposite direction of the pressing direction by taking the supporting part as a fulcrum, the positioning block is driven to be separated from the opening of the safety belt lock tongue, and the safety belt lock tongue is released;
the first clamping groove and the second clamping groove are arranged on different sides of the shell.
Optionally, the ejection mechanism comprises a connecting piece, a top spring and an ejection block;
the ejection block is arranged at the front end of the connecting piece, and sliding grooves at two sides of the ejection block are attached to the side wall of the front end of the connecting piece so that the ejection block slides along the connecting piece; limiting bosses are arranged on two sides of the front end of the connecting piece and are matched with clamping bodies on two sides of the ejection block so as to prevent the ejection block from being separated from the connecting piece when sliding;
the connecting piece is provided with a positioning hole corresponding to the positioning block, and the positioning block is inserted into the opening with the lock tongue and then inserted into the positioning hole of the connecting piece to lock the safety belt lock tongue;
the connecting piece is also provided with a fixed groove communicated with the positioning hole and a column structure fixed in the fixed groove; the top spring is installed in the fixed slot, one end of the top spring is connected with the cylinder structure, and the other end of the top spring is connected with the clamping column in the middle of the ejection block.
Optionally, the method comprises: the connecting piece is also provided with a fixed groove communicated with the positioning hole and a concave structure fixed in the fixed groove; the ejector spring is arranged in the fixing groove, one end of the ejector spring is clamped in the concave structure, and the other end of the ejector spring is connected with the clamping column in the middle of the ejection block.
Optionally, the method comprises: when the safety belt lock tongue is not inserted into the first clamping groove, the top spring is in a free state; after the safety belt lock tongue is inserted into the first clamping groove, the top spring is in a compressed state; and the elastic force generated by the top spring faces the first clamping groove.
Optionally, the method comprises: the rear end of the connecting piece is provided with a connecting handle for connecting the locking braid.
Optionally, the positioning block is T-shaped, and the T-shaped is provided with an integral installation part and a bulge part;
two ends of the mounting part respectively penetrate through clamping holes on two side walls of the lock catch main body and are matched with the rising part of the button; the protruding part is inserted into the opening with the lock tongue and then is inserted into the positioning hole of the connecting piece.
Optionally, the locking mechanism further comprises a pressure spring, and the pressure spring is arranged above the positioning block and is abutted with the positioning block; the compression spring is of a T-shaped structure, and the T-shaped structure comprises an integral pressing part and a fixing part;
the pressing part corresponds to a pressing part acting on the button, and is matched with the button to finish pressing action and reset the button; the two ends of the fixing part penetrate through clamping holes on the two side walls of the lock catch main body and furl towards the central axis direction of the pressing part, so that the pressure spring is fixed on the lock catch main body and generates acting force on the positioning block.
Optionally, the method comprises: the acting force generated by the pressure spring on the positioning block is specifically as follows: when the positioning block locks the safety belt lock tongue, the pressure spring generates downward acting force on the positioning block; when the positioning block releases the safety belt lock tongue, after the positioning block moves upwards through the rising part of the button, the pressure spring generates downward acting force on the positioning block, so that the positioning block is reset.
Optionally, the shell comprises an upper box cover and a lower box cover; the upper box cover is provided with a second clamping groove corresponding to the button pressing part.
Optionally, the method comprises: the edge of the second clamping groove and the button pressing part form the same plane; or (b)
The button pressing part is higher than or lower than the edge of the second clamping groove.
Compared with the prior art, the application has the following advantages: the application provides a safety belt hasp, include: the device comprises a shell, and a lock catch main body, an ejection mechanism, a locking mechanism and a button which are arranged in the shell; the lock catch main body is used for fixedly bearing the ejection mechanism, the locking mechanism and the button; the volume of the safety belt lock catch is smaller, and the occupation of the automobile space can be reduced; the push button is matched with the ejection mechanism and the locking mechanism to lock and release the safety belt lock tongue, and based on the fact that a first clamping groove for inserting the safety belt lock tongue is formed in the shell, and a second clamping groove corresponding to the push button is formed in the shell, and the first clamping groove and the second clamping groove are formed in different sides of the shell; the button and the first clamping groove for inserting the safety belt lock tongue are not arranged on the same plane, so that when the button is pressed to enable the lock tongue to pop out, accidental injury caused by the fact that the popped lock tongue pops out to the hand is avoided, and further experience of a user is improved.
Drawings
Fig. 1 is a schematic exploded view of a seat belt buckle according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural view of components of a seat belt buckle according to an embodiment of the present application;
fig. 3 is a schematic view of the assembled safety belt buckle according to the embodiment of the present application.
The safety belt lock catch 1, a shell 2, an upper box cover 21, a lower box cover 22, a first clamping groove 23 and a second clamping groove 24; a lock catch main body 3, a clamping hole 31 and a T-shaped slotted hole 32; the ejection mechanism 4 comprises a connecting piece 41, a limiting boss 411, a positioning hole 412, a fixing groove 413, a column structure 414 and a connecting handle 415; top spring 42, ejector block 43, clip body 431 and clip post 432; a locking mechanism 5, a positioning block 51, a mounting portion 511, and a boss portion 512; a compression spring 52, a pressing portion 521, and a fixing portion 522; button 6, pressing portion 61, supporting portion 62, and raising portion 63.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other ways than those herein described and similar generalizations can be made by those skilled in the art without departing from the spirit of the application and the application is therefore not limited to the specific embodiments disclosed below.
The present application provides a seat belt latch, and fig. 1 is a schematic structural diagram of the seat belt latch according to an embodiment of the present application.
As shown in fig. 1, the present application provides a seat belt buckle 1, including: a housing 2, and a latch main body 3, an ejection mechanism 4, a locking mechanism 5, and a button 6 provided in the housing 2;
the shell 2 is provided with a first clamping groove 23 for inserting a safety belt lock tongue and a second clamping groove 24 arranged on the shell 2, and the first clamping groove 23 and the second clamping groove 24 are arranged on different sides of the shell 2; specifically, the housing 2 includes an upper case cover 21 and a lower case cover 22; in the embodiment of the present application, based on the structural arrangement that the first clamping groove 23 is used for inserting a seat belt lock tongue and is combined with the seat belt buckle 1, the notch of the first clamping groove 23 is formed by combining the upper cover 21 and the lower cover 22 with each other (that is, in general, the upper cover 21 and the lower cover 22 are respectively provided with half notches of the first clamping groove 23), and the first clamping groove 23 is provided on one side surface of the housing 2; correspondingly, the second clamping groove 24 is arranged on the upper box cover 21 so as to facilitate the pressing operation based on the fact that the second clamping groove 24 is used for matching with the button 6 to complete the pressing operation.
The material of the upper cover 21 and the lower cover 22 of the case 2 is ABS plastic (ABS plastic is a terpolymer of three monomers of acrylonitrile (a), butadiene (B), and styrene (S), a makes it resistant to chemical corrosion and heat, and has a certain surface hardness, B makes it have high elasticity and toughness, S makes it have the processing characteristics of thermoplastic plastics and improves the electrical properties, and ABS plastic is a "tough, hard, rigid" material), so in the embodiment of the present application, the assembly of the upper cover 21 and the lower cover 22 of the case 2 can be completed by ultrasonic welding (ultrasonic welding is also called ultrasonic welding, the principle is that ultrasonic energy is transmitted to a welding area by an upper welding part, and local high temperature is generated to fuse the welding parts together by using the large acoustic resistance at the interface of the two welding parts). In this way, the shell 2 has an attractive appearance and structure, the strength of the shell 2 of the safety belt lock catch 1 is improved, and the components inside the shell 2 can be better protected.
Further, as shown in fig. 2, when the seat belt lock tongue is inserted into the first slot 23, it is first required to contact with the ejection mechanism 4; the ejection mechanism 4 is arranged on the lock catch main body 3 at a position corresponding to the first clamping groove 23, and is abutted against and pressed against the ejection mechanism 4 after the safety belt lock tongue is inserted into the first clamping groove 23; specifically, the ejection mechanism 4 includes a connecting member 41, a top spring 42, and an ejection block 43. The ejector block 43 is mounted at the front end of the connecting piece 41, and sliding grooves at two sides of the ejector block 43 are attached to the side wall of the front end of the connecting piece 41, so that the ejector block 43 slides along the connecting piece 41 (the ejector block 43 slides along the connecting piece 41 in a reciprocating manner); and limiting bosses 411 are arranged on two sides of the front end of the connecting piece 41, and the limiting bosses 411 are matched with the clamping bodies 431 on two sides of the ejection block 43 so as to prevent the ejection block 43 from being separated from the connecting piece 41 when sliding.
The connecting piece 41 is provided with a positioning hole 412 corresponding to the positioning block 51 (a component of the locking mechanism 5, described in detail below), and the positioning block 51 is inserted into the opening with the locking tongue, and then inserted into the positioning hole 412 of the connecting piece 41, so as to lock the locking tongue of the safety belt. The connecting piece 41 is further provided with a fixing groove 413 communicated with the positioning hole 412 and a column structure 414 fixed in the fixing groove 413; the top spring 42 is installed in the fixing groove 413, one end of the top spring 42 is connected with the column structure 414, and the other end is connected with the clamping column 432 in the middle of the ejection block 43.
In an alternative embodiment of the present application, the connecting member 41 is further provided with a fixing groove 413 communicating with the positioning hole 412 and a concave structure (not shown) fixed in the fixing groove 413; the top spring 42 is mounted in the fixing groove 413, one end of the top spring 42 is clamped in the concave structure, and the other end is connected with a clamping post 432 in the middle of the ejection block 43.
It should be noted that, a T-shaped slot 32 corresponding to the fixing slot 413 is provided at the bottom of the latch main body 3 to match the movement of the top spring 42; when the seat belt locking tongue is not inserted into the first clamping groove 23, the top spring 42 is in a free state; after the seat belt locking tongue is inserted into the first clamping groove 23, the top spring 42 is in a compressed state; and the elastic force generated by the top spring 42 faces the first clamping groove 23.
The rear end of the connecting piece 41 is provided with a connecting handle 415 for connecting the locking braid. The middle position of the connecting handle 415 is provided with a through hole with radian, and the setting of the radian can reduce the friction force of the locking braid in the through hole, so that the wear degree of the locking braid can be reduced. Of course, the structure of the connecting handle 415 may be other shapes, such as a ring, etc., as long as the connection to the locking webbing is achieved.
After the safety belt lock tongue is inserted into the first clamping groove 23, the ejector mechanism 4 cooperates, so that the safety belt lock tongue needs to be further locked; in this embodiment of the present application, the locking mechanism 5 is correspondingly provided, where the locking mechanism 5 includes a positioning block 51, which is disposed on an inner side of the first clamping groove 23, and after the safety belt lock tongue is inserted into the first clamping groove 23, the positioning block 51 is inserted into the opening with the lock tongue, so as to lock the safety belt lock tongue.
In this embodiment, the positioning block 51 is T-shaped, and the T-shaped has an integral mounting portion 511 and a protruding portion 512; specifically, both ends of the mounting portion 511 respectively penetrate through the fastening holes 31 on both side walls of the latch main body 3 and are engaged with the raising portion 63 of the button 6 (described below); the protruding portion 512 is inserted into the opening with the lock tongue and then is inserted into the positioning hole 412 of the connecting piece 41. The locking mechanism 5 further comprises a pressure spring 52, and the pressure spring 52 is arranged above the positioning block 51 and is abutted against the positioning block 51; the compression spring 52 has a T-shaped structure, and the T-shaped structure includes an integral pressing portion 521 and a fixing portion 522; specifically, the pressing portion 521 corresponds to the pressing portion 61 that acts on the button 6, and cooperates with the button 6 to complete the pressing operation and reset the button 6; the two ends of the fixing portion 522 penetrate through the clamping holes 31 on the two side walls of the latch main body 3, and are folded toward the central axis direction of the pressing portion 521, so as to fix the compression spring 52 on the latch main body 3 and generate an acting force on the positioning block 51. It should be noted that, the acting force generated by the compression spring 52 on the positioning block 51 is specifically: when the positioning block 51 locks the seat belt lock tongue, the pressure spring 52 generates a downward acting force on the positioning block 51; when the positioning block 51 releases the seat belt lock tongue, the positioning block 51 moves upward through the seesaw portion 63 of the button 6, and the pressure spring 52 generates a downward force on the positioning block 51, so that the positioning block 51 is reset.
Still further, after the belt lock tongue is locked, the belt lock tongue needs to be opened, and correspondingly, in the embodiment of the present application, the button 6 is used as a trigger component for opening the belt lock tongue. Specifically, the button 6 includes an integrally formed pressing portion 61, a supporting portion 62, and a lifting portion 63, where the supporting portion 62 is disposed on the latch main body 3, the pressing portion 61 is disposed at the second clamping groove 24, the lifting portion 63 is connected with the locking structure positioning block 51, and when the pressing portion 61 is pressed by the second clamping groove 24, the lifting portion 63 uses the supporting portion 62 as a fulcrum to drive the lifting portion 63 to move in a direction opposite to the pressing direction, so as to drive the positioning block 51 to be separated from the opening of the seat belt locking tongue, and release the seat belt locking tongue.
It should be noted that the edge of the second clamping groove 24 and the pressing portion 61 of the button 6 form the same plane; or the pressing part 61 of the button 6 is higher or lower than the edge of the second clamping groove 24. Therefore, the button 6 can be pressed more conveniently, and the position states of the button 6 are various, so that the selection of people is facilitated; but also effectively prevents dust from entering the interior of the housing 2.
In order to better explain the belt buckle described in the present application, the working principle of the belt buckle is described below by means of a specific application scenario.
As shown in fig. 3, fig. 3 is a schematic view of the assembled safety belt buckle according to the embodiment of the present application.
When the seat belt lock tongue is inserted into the first clamping groove 23, the seat belt lock tongue needs to be contacted with the ejection mechanism 4 first; the safety belt lock tongue is firstly abutted against the ejection block 43, and the ejection block 43 moves and pushes the ejection spring 42 to deform; when the ejector block 43 moves a certain distance, the seat belt lock tongue replaces the ejector block 43, and at this time, the positioning block 51 descends under the action of the pressure spring 52, and the protruding portion 512 of the positioning block 51 is inserted into the opening of the seat belt lock tongue and then inserted into the positioning hole 412 of the connecting piece 41, so as to lock the seat belt lock tongue; when the safety belt lock tongue needs to be released, the pressing part 61 of the button 6 is pressed, the lifting part 63 takes the supporting part 62 as a fulcrum, drives the lifting part 63 to move in the direction opposite to the pressing direction (similar to a lever principle), drives the positioning block 51 to be separated from the opening of the safety belt lock tongue, and releases the safety belt lock tongue; and then the top spring 42 is restored to a free state, the ejection block 43 is moved to an initial position, and the seat belt lock tongue is ejected to complete unlocking.
The present application provides a seat belt buckle 1, comprising: a housing 2, and a latch main body 3, an ejection mechanism 4, a locking mechanism 5, and a button 6 provided in the housing 2; the lock catch main body 3 is used for fixedly bearing the ejection mechanism 4, the locking mechanism 5 and the button 6; the volume of the safety belt lock catch 1 is smaller, and the occupation of the automobile space can be reduced; the button 6 completes locking and releasing of the safety belt lock tongue under the cooperation of the ejection mechanism 4 and the locking mechanism 5, and is based on the fact that a first clamping groove 23 for inserting the safety belt lock tongue is arranged on the shell 2, and a second clamping groove 24 corresponding to the button 6 is arranged on the shell 2, and the first clamping groove 23 and the second clamping groove 24 are arranged on different sides of the shell 2; the button 6 and the first clamping groove 23 for inserting the safety belt lock tongue are not arranged on the same plane, so that when the button 6 is pressed to eject the lock tongue, accidental injury caused by the fact that the ejected lock tongue is ejected to a hand is avoided, and the experience of a user is improved.
While the preferred embodiment has been described, it is not intended to limit the invention thereto, and any person skilled in the art may make variations and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be defined by the claims of the present application.
Claims (7)
1. A seat belt buckle, comprising: the device comprises a shell, and a lock catch main body, an ejection mechanism, a locking mechanism and a button which are arranged in the shell; the shell comprises an upper box cover and a lower box cover; the upper box cover and the lower box cover are combined and welded by ultrasonic waves;
the safety belt locking device comprises a shell, a safety belt locking bolt and a locking mechanism, wherein the shell is provided with a first clamping groove for inserting the safety belt locking bolt and a second clamping groove arranged on the shell;
the ejection mechanism is arranged on the lock catch main body at a position corresponding to the first clamping groove, and is abutted and pressed after the safety belt lock tongue is inserted into the first clamping groove;
the locking mechanism comprises a positioning block which is arranged on the inner side of the first clamping groove, and after the safety belt lock tongue is inserted into the first clamping groove, the positioning block is inserted into the opening with the lock tongue to lock the safety belt lock tongue;
the button comprises a pressing part, a supporting part and a lifting part which are integrally formed; the supporting part is arranged on the lock catch main body, the pressing part is arranged at the second clamping groove, the lifting part is connected with the positioning block of the locking mechanism, and when the pressing part is pressed through the second clamping groove, the lifting part is driven to move in the direction opposite to the pressing direction by taking the supporting part as a fulcrum, the positioning block is driven to be separated from the opening of the safety belt lock tongue, and the safety belt lock tongue is released;
the first clamping groove and the second clamping groove are arranged on different sides of the shell;
the ejection mechanism comprises a connecting piece, a top spring and an ejection block;
the ejection block is arranged at the front end of the connecting piece, and sliding grooves at two sides of the ejection block are attached to the side wall of the front end of the connecting piece so that the ejection block slides along the connecting piece; limiting bosses are arranged on two sides of the front end of the connecting piece and are matched with clamping bodies on two sides of the ejection block so as to prevent the ejection block from being separated from the connecting piece when sliding; the clamping bodies at two sides of the ejection block are in a ladder structure along the vertical direction;
the connecting piece is provided with a positioning hole corresponding to the positioning block, and the positioning block is inserted into the opening with the lock tongue and then inserted into the positioning hole of the connecting piece to lock the safety belt lock tongue;
the connecting piece is also provided with a fixed groove communicated with the positioning hole and a column structure fixed in the fixed groove; the ejection spring is arranged in the fixed groove, one end of the ejection spring is connected with the column structure, and the other end of the ejection spring is connected with the clamping column in the middle of the ejection block; the upper box cover is provided with the second clamping groove corresponding to the pressing part of the button;
the connecting piece is also provided with a fixed groove communicated with the positioning hole and a concave structure fixed in the fixed groove; the ejector spring is arranged in the fixing groove, one end of the ejector spring is clamped in the concave structure, and the other end of the ejector spring is connected with the clamping column in the middle of the ejection block.
2. The seat belt buckle of claim 1, comprising: when the safety belt lock tongue is not inserted into the first clamping groove, the top spring is in a free state; after the safety belt lock tongue is inserted into the first clamping groove, the top spring is in a compressed state; and the elastic force generated by the top spring faces the first clamping groove.
3. The seat belt buckle of claim 1, comprising: the rear end of the connecting piece is provided with a connecting handle for connecting the locking braid.
4. The seat belt buckle of claim 1 wherein the locating block is T-shaped, the T-shape having an integral mounting portion and a boss;
two ends of the mounting part respectively penetrate through clamping holes on two side walls of the lock catch main body and are matched with the rising part of the button; the protruding part is inserted into the opening with the lock tongue and then is inserted into the positioning hole of the connecting piece.
5. The seat belt buckle according to claim 4, wherein the locking mechanism further comprises a compression spring disposed above and abutting the positioning block; the compression spring is of a T-shaped structure, and the T-shaped structure comprises an integral pressing part and a fixing part;
the pressing part corresponds to a pressing part acting on the button, and is matched with the button to finish pressing action and reset the button; the two ends of the fixing part penetrate through clamping holes on the two side walls of the lock catch main body and furl towards the central axis direction of the pressing part, so that the pressure spring is fixed on the lock catch main body and generates acting force on the positioning block.
6. The seat belt buckle of claim 5 including: the acting force generated by the pressure spring on the positioning block is specifically as follows: when the positioning block locks the safety belt lock tongue, the pressure spring generates downward acting force on the positioning block; when the positioning block releases the safety belt lock tongue, after the positioning block moves upwards through the rising part of the button, the pressure spring generates downward acting force on the positioning block, so that the positioning block is reset.
7. The seat belt buckle of claim 1, comprising: the edge of the second clamping groove and the pressing part of the button form the same plane; or the pressing part of the button is higher than or lower than the edge of the second clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810521474.9A CN108839634B (en) | 2018-05-28 | 2018-05-28 | Safety belt lock catch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810521474.9A CN108839634B (en) | 2018-05-28 | 2018-05-28 | Safety belt lock catch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108839634A CN108839634A (en) | 2018-11-20 |
| CN108839634B true CN108839634B (en) | 2024-02-20 |
Family
ID=64213619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810521474.9A Active CN108839634B (en) | 2018-05-28 | 2018-05-28 | Safety belt lock catch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108839634B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109907434B (en) * | 2019-04-18 | 2024-06-07 | 沈阳金杯锦恒汽车安全***有限公司 | End piece belt buckle |
| CN112056706B (en) * | 2019-06-11 | 2022-12-13 | 浙江吉利控股集团有限公司 | Lock catch mechanism, safety belt lock catch device with same and moving body |
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| US5005267A (en) * | 1988-09-28 | 1991-04-09 | Katsuyama Kinzoku Kogyo Kabushiki Kaisha | Buckle assembly for seat belt |
| GB2328244A (en) * | 1997-08-04 | 1999-02-17 | Alliedsignal Ltd | Safety belt buckle for use with a pretensioner |
| US6463639B1 (en) * | 1998-06-23 | 2002-10-15 | Kabushiki Kaisha Tokai-Rika-Denki-Siesakusho | Buckle |
| CN2896969Y (en) * | 2006-02-06 | 2007-05-09 | 黎业强 | Safety belt of seat |
| CN102370292A (en) * | 2010-08-17 | 2012-03-14 | Trw汽车股份有限公司 | Seat belt buckle and seat belt system for vehicle |
| CN204181082U (en) * | 2014-10-31 | 2015-03-04 | 宁波九鑫汽车配件有限公司 | A kind of little bracelet for safety belt |
| CN208498439U (en) * | 2018-05-28 | 2019-02-15 | 浙江松原汽车安全***股份有限公司 | A kind of safety belt lock catch |
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2018
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| US4587696A (en) * | 1982-11-30 | 1986-05-13 | Nsk Warner K. K. | Buckle for seat belt |
| US4577378A (en) * | 1983-06-21 | 1986-03-25 | Autoflug Gmbh | Buckle for safety belts |
| US5005267A (en) * | 1988-09-28 | 1991-04-09 | Katsuyama Kinzoku Kogyo Kabushiki Kaisha | Buckle assembly for seat belt |
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| US6463639B1 (en) * | 1998-06-23 | 2002-10-15 | Kabushiki Kaisha Tokai-Rika-Denki-Siesakusho | Buckle |
| CN2896969Y (en) * | 2006-02-06 | 2007-05-09 | 黎业强 | Safety belt of seat |
| CN102370292A (en) * | 2010-08-17 | 2012-03-14 | Trw汽车股份有限公司 | Seat belt buckle and seat belt system for vehicle |
| CN204181082U (en) * | 2014-10-31 | 2015-03-04 | 宁波九鑫汽车配件有限公司 | A kind of little bracelet for safety belt |
| CN208498439U (en) * | 2018-05-28 | 2019-02-15 | 浙江松原汽车安全***股份有限公司 | A kind of safety belt lock catch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108839634A (en) | 2018-11-20 |
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