CN111434875A

CN111434875A - Engine hood lock catch assembly and vehicle

Info

Publication number: CN111434875A
Application number: CN201910037467.6A
Authority: CN
Inventors: 段智军; 张克铭; 吴超
Original assignee: Beijing Treasure Car Co Ltd
Current assignee: Beijing Treasure Car Co Ltd
Priority date: 2019-01-15
Filing date: 2019-01-15
Publication date: 2020-07-21

Abstract

The utility model relates to an engine hood lock catch assembly and vehicle, this engine hood lock catch assembly include hasp (1), hasp mounting panel (2) and regulating part (3), but regulating part (3) circumferential direction and axial locking install on hasp mounting panel (2), hasp (1) includes threaded shaft (11), threaded shaft (11) are worn to locate regulating part (3) and with regulating part (3) form the screw-nut pair. Through above-mentioned technical scheme, when operating the regulating part clockwise or anticlockwise rotation, according to the lead screw nut principle, the screw shaft can be followed its axis orientation and is close to the direction removal of hasp mounting panel or keeping away from the hasp mounting panel, makes the hasp orientation be close to the bonnet or be close to the direction removal of lock body to adjust the mounting height of hasp on hasp mounting panel and bonnet, and then adjust the bonnet and close the clearance rather than the peripheral part when closing.

Description

Engine hood lock catch assembly and vehicle

Technical Field

The present disclosure relates to the field of vehicle manufacturing, and in particular, to an engine cover latch assembly and a vehicle using the same.

Background

Since the hood of a vehicle is exposed to the front of the vehicle, which is one of the very important exterior parts of the vehicle, there is a particularly strict requirement for the fit clearance of the hood and its peripheral parts (e.g., fender, headlight, etc.) in order to ensure the quality of the appearance at the hood during the manufacturing process of the vehicle, and usually, the clearance tolerance of the hood and its peripheral parts should be controlled to be within ± 0.5 to ± 1.0mm in the closed state of the hood. The front end of the bonnet is usually provided with a catch, and a lock body for locking the catch is provided in the engine compartment, so that the bonnet is locked to the lock body by the catch, and therefore, the clearance between the closed bonnet and its surrounding parts is mainly related to the fastened state between the catch and the lock body, i.e., the distance between the catch and the lock body. The distance between the lock catch and the lock body is large, the gap between the engine cover and the peripheral parts of the engine cover is large after the engine cover is closed, the distance between the lock catch and the lock body is small, and the gap between the engine cover and the peripheral parts of the engine cover is small after the engine cover is closed.

Because there may be machining error or assembly error in bonnet and its peripheral part, therefore, in order to guarantee that the clearance with its peripheral part can satisfy the clearance requirement of regulation when the bonnet is closed, when whole car assembly, need adjust the interval between hasp and the lock body, promptly, the mounting height of hasp on the bonnet. In prior art, the one end welding of hasp is on the hasp mounting panel, and the hasp mounting panel passes through the screw to be connected with the bonnet, when the distance between needs adjustment hasp and the lock body, need loosen the screw to install the gasket additional between hasp mounting panel and bonnet, thereby adjust the interval between hasp and the lock body, and then the clearance rather than peripheral parts when adjusting bonnet closure. The operation process of the adjusting procedure is complex, and the assembly efficiency of the whole vehicle is seriously influenced.

Disclosure of Invention

The engine cover lock catch assembly can enable the installation height of a lock catch on an engine cover to be conveniently adjusted, is simple and convenient to adjust, and can effectively improve the assembly efficiency of the whole vehicle.

In order to realize the above-mentioned purpose, this disclosure provides an engine hood lock catch assembly, including hasp, hasp mounting panel and regulating part, but the regulating part circumferential direction and axial locking ground install on the hasp mounting panel, the hasp includes the screw thread axle, the screw thread axle is worn to locate the regulating part and with the regulating part forms screw-nut pair.

Optionally, the adjusting member is a riveting nut, and the adjusting member is riveted on the latch mounting plate.

Optionally, be formed with first through-hole on the hasp mounting panel, the regulating part includes the nut body, the inner edge of nut body is followed the axial extension of nut body is in order to pass first through-hole turns over outwards and turns over and form annular turn-ups, annular turn-ups backstop is in on the hasp mounting panel, the screw spindle with nut body screw-thread fit.

Optionally, the adjusting member further includes a flange, the flange is formed at one end of the nut body close to the lock catch mounting plate, and the lock catch mounting plate is clamped between the flange and the annular flange.

Optionally, a first chamfer is formed at the edge of the first through hole close to the annular flange, and a second chamfer is formed at the edge of the first through hole close to the flange.

Optionally, the annular flange includes an annular root and an annular end, the annular root is located between the annular end and the nut body, the axis of the annular root is parallel to the axis of the nut body, and the annular end and the lock catch mounting plate are angularly arranged.

Optionally, a distance between the outer surface of the annular root and the first through hole is 0.1mm to 0.3mm, and an included angle between the annular end and the latch mounting plate is 0 ° to 80 °.

Optionally, the lock catch further comprises an optical axis parallel to the threaded shaft, and a second through hole for the optical axis to pass through is formed in the lock catch mounting plate.

Optionally, a distance between the outer surface of the optical axis and the second through hole is 0.1mm to 1 mm.

Through above-mentioned technical scheme, because the screw spindle wears to locate the regulating part and form the screw-nut pair with this regulating part, when handling the regulating part clockwise or anticlockwise rotation, the screw spindle can be followed its axis orientation and is close to the direction removal of hasp mounting panel or keeping away from the hasp mounting panel, make the hasp orientation close to the bonnet or be close to the direction removal of lock body, thereby adjust the mounting height of hasp on hasp mounting panel and bonnet, promptly, adjust the distance between hasp and the lock body, and then adjust the bonnet and close the clearance rather than the peripheral part when closing. With the hasp mounting panel pull down among the prior art to install the gasket additional between hasp mounting panel and bonnet and adjust the technical scheme of the distance between hasp and the lock body and compare, in the bonnet hasp assembly that this disclosure provided, through rotating the regulating part alright adjust the distance between hasp and the lock body, whole accommodation process convenient operation can improve whole car assembly efficiency effectively.

According to another aspect of the present disclosure, a vehicle is provided, including an engine compartment, a lock body, a bonnet, and the bonnet lock assembly described above, the bonnet lock assembly is disposed at a front end of the bonnet, the lock body is installed in the engine compartment, a lock mounting plate of the bonnet lock assembly is fixed on or formed as a part of the bonnet, and a lock of the bonnet lock assembly locks the bonnet on the lock body.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a perspective view of an engine head latch assembly provided in an exemplary embodiment of the present disclosure;

FIG. 2 is a cross-sectional view taken along the line A-A in FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a cross-sectional view of the latch mounting plate taken along the line A-A in FIG. 1;

FIG. 5 is an exploded view of an engine head latch assembly provided by an exemplary embodiment of the present disclosure;

FIG. 6 is a schematic illustration of an adjustment operation of an adjustment member of the engine head latch assembly provided in an exemplary embodiment of the present disclosure;

FIG. 7 is an assembly schematic of an engine head latch assembly provided by an exemplary embodiment of the present disclosure.

Description of the reference numerals

1 lock catch 11 threaded shaft

12 optical axis 13 locking shaft

2 locking installation plate 21 first through hole

211 first chamfer 212 second chamfer

22 second through hole 23 mounting hole

3 adjusting part 31 nut body

32 annular flange 321 annular root

322 annular end 33 flange

4 engine cover 5 lock body

6 fastener 7 spanner

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, the use of directional terms such as "inner and outer" refers to the inner and outer of the corresponding structural profile unless otherwise indicated.

As shown in fig. 1 to 7, the present disclosure provides an engine cover latch assembly, including latch 1, latch mounting plate 2 and adjusting part 3, latch 1 is used for cooperating with lock body 5, latch mounting plate 2 can be used for installing on engine cover 4, adjusting part 3 can be installed on latch mounting plate 2 in circumferential direction and axial locking, latch 1 includes threaded shaft 11, threaded shaft 11 wears to locate adjusting part 3 and forms the screw-nut pair with this adjusting part 3. Because the adjusting part 3 can only rotate around the rotating axis of the adjusting part and can not move along the rotating axis of the adjusting part, and the adjusting part 3 is in threaded connection with the threaded shaft 11, according to the principle of the screw nut, when the adjusting part 3 rotates, the rotating motion of the adjusting part 3 can be converted into axial linear motion, so that the threaded shaft 11 is driven to move along the axis of the adjusting part, namely, the rotating axis of the adjusting part 3 is moved, and then the lock catch 1 is driven to move.

Through the technical scheme, because the threaded shaft 11 penetrates through the adjusting part 3 and forms a screw-nut pair with the adjusting part 3, when the adjusting part 3 is operated to rotate clockwise or anticlockwise, the threaded shaft 11 can move towards the direction close to the lock catch mounting plate 2 or far away from the lock catch mounting plate 2 along the axis of the threaded shaft, so that the lock catch 1 moves towards the direction close to the engine cover 4 or close to the lock body 5, the mounting height of the lock catch 1 on the lock catch mounting plate 2 and the engine cover 4 is adjusted, namely, the distance between the lock catch 1 and the lock body 5 is adjusted, and then the gap between the engine cover 4 and peripheral parts of the engine cover is adjusted when the engine cover is closed. With the hasp mounting panel pull down among the prior art to install the gasket additional between hasp mounting panel and bonnet and adjust the technical scheme of the distance between hasp and the lock body and compare, in the bonnet hasp assembly that this disclosure provided, through rotating the regulating part 3 alright adjust the distance between hasp 1 and the lock body 5, whole accommodation process convenient operation can improve whole car assembly efficiency effectively.

The shackle 1 may have any suitable shape and configuration. In one embodiment provided by the present disclosure, as shown in fig. 5, the shackle 1 includes a threaded shaft 11 and an optical shaft 12 that are parallel to each other, and a locking shaft 13 formed between the threaded shaft 11 and the optical shaft 12, wherein the locking shaft 13 is configured to be engaged with the lock body 5, and the threaded shaft 11, the optical shaft 12, and the locking shaft 13 enclose a U-shaped structure, so that the locking shaft 13 can be moved toward or away from the lock body 5 when the threaded shaft 11 is moved. In other embodiments, the shackle may include a locking collar for engaging the lock body and a threaded shaft formed on the locking collar, which when moved may move the locking collar closer to or away from the lock body to adjust clearance with surrounding components of the engine cover when closed.

Further, in order to make the adjusting member 3 circumferentially rotatably and axially lockingly mounted on the latch mounting plate 2, in the exemplary embodiment provided by the present disclosure, the adjusting member 3 is a rivet nut, and the adjusting member 3 is riveted on the latch mounting plate 2. Here, riveting refers to live riveting, that is, the adjusting part 3 and the latch mounting plate 2 are rotatable with each other, and the adjusting part 3 and the latch mounting plate 2 are not rigidly connected, but in the rotating process of the adjusting part 3, the adjusting part 3 is always located on the latch mounting plate 2 and is not separated from the latch mounting plate 2, so that the latch 1 is driven to move towards the direction close to the latch mounting plate 2 or away from the latch mounting plate 2 through the rotation of the adjusting part 3.

Specifically, the lock catch mounting plate 2 is formed with a first through hole 21, the adjusting member 3 includes a nut body 31, an internal thread is formed in the nut body 31, so that the threaded shaft 11 is in threaded fit with the nut body 31, as shown in fig. 2, an inner edge of the nut body 31 (i.e., an annular inner surface of the nut body 31) extends in an axial direction of the nut body 31 to pass through the first through hole 21 and turn outwards to form an annular flange 32, and the annular flange 32 is stopped on the lock catch mounting plate 2, so as to perform an axial limiting function, and the nut body 31 is movably riveted on the lock catch mounting plate 2. During assembly, the portion extending axially outward from the inner edge of the nut body 31 may be inserted into the first through hole 21, and then the annular flange 32 is machined by a tool, so that the annular flange 32 can stop the nut body 31 on the locking and mounting plate 2. The nut body 31 may be a hexagon nut or an octagonal nut, etc., and when adjusting the distance between the shackle 1 and the lock body 5, an operator may directly rotate the rotary nut body 31 clockwise or counterclockwise by hand, or as shown in fig. 6, screw the nut body 31 by the wrench 7.

In order to facilitate the adjustment of the mounting position of the striker 1 on the engine cover 4 during the manufacturing process of the vehicle and during the use of the vehicle by the user, as an embodiment, as shown in fig. 7, the nut body 31 may be located on the side of the striker mounting plate 2 facing the lock body 5, i.e., the side facing the lock shaft 13, so that the operator can manipulate the rotation of the adjusting member 3 from the outside of the engine cover 4, thereby making the distance between the striker 1 and the lock body 5 adjustable at any time.

Further, in order to improve the connection reliability between the nut body 31 and the shackle mounting plate 2, as shown in fig. 1 and 2, the adjusting member 3 further includes a flange 33, the flange 33 is formed at an end of the nut body 31 close to the shackle mounting plate 2, that is, the flange 33 is formed on an end surface of the nut body 31 facing the shackle mounting plate 2, so that the shackle mounting plate 2 is clamped between the flange 33 and the annular flange 32, such that, on one hand, the flange 33 and the annular flange 32 can jointly limit the axial movement of the nut body 31, and on the other hand, when the engine cover 4 is closed, a large impact force is generated when the shackle 1 is fastened with the lock body 5, and the impact force is transmitted to the nut body 31 and the shackle mounting plate 2 through the threaded shaft 11, and the flange 33 is provided between the nut body 31 and the shackle mounting plate 2 to help to increase the force-bearing area and reduce, thereby avoid the hasp mounting panel 2 to damage the inefficacy, improve the reliability of this disclosed engine hood hasp assembly.

Further, since the latch mounting plate 2 is clamped between the flange 33 and the annular flange 32, in order to improve the smoothness of the rotation process of the adjusting member 3, as shown in fig. 3 and 4, a first chamfer 211 is formed on the edge of the first through hole 21 close to the annular flange 32, a second chamfer 212 is formed on the edge of the first through hole 21 close to the flange 33, and burrs generated by machining on the edge of the first through hole 21 can be removed through the first chamfer 211 and the second chamfer 212, so that the burrs on the edge of the first through hole 21 are prevented from obstructing the rotation of the adjusting member 3. The angles of the first chamfer 211 and the second chamfer 212 may be 30 °, 45 °, 60 °, or the like, which is not limited by the present disclosure.

Furthermore, as shown in fig. 3, the annular flange 32 includes an annular root 321 and an annular end 322, the annular root 321 is located between the annular end 322 and the nut body 31, the axis of the annular root 321 is parallel to the axis of the nut body 31, that is, the annular root 321 is located in the first through hole 21, and the annular end 322 is disposed at an angle to the lock mounting plate 2 to clamp the nut body 31 on the lock mounting plate 2.

Further, in an embodiment provided by the present disclosure, a distance between the outer surface of the annular root 321 and the first through hole 21 is 0.1mm to 0.3mm, so as to reduce a moving range of the nut body 31 on the lock catch mounting plate 2 as much as possible and reduce shaking of the nut body 31, and thus, in a process of adjusting the lock catch 1, an axis of the nut body 31 can be ensured to coincide with an axis of the threaded shaft 11 as much as possible, so that clamping stagnation of the threaded shaft 11 is not easy to occur in a moving process, and smoothness of axial movement of the threaded shaft 11 is improved.

Further, in an embodiment provided by the present disclosure, an included angle between the annular end portion 322 and the latch mounting plate 2 is 0 ° to 80 ° to ensure that the annular end portion 322 can rivet the adjusting member 3 on the latch mounting plate 2, and a specific angle between the annular end portion 322 and the latch mounting plate 2 can be determined according to specific processing conditions.

In addition, as mentioned above, in one embodiment, as shown in fig. 5, the latch 1 may include the optical axis 12 parallel to the threaded shaft 11, and the latch mounting plate 2 may be formed with a second through hole 22 for the optical axis 12 to pass through, where the second through hole 22 is a light hole, and when the threaded shaft 11 moves along the axial direction of the first through hole 21, the optical axis 12 moves along the axial direction of the second through hole 22. Since the threaded shaft 11 and the optical axis 12 are respectively located in the first through hole 21 and the second through hole 22, which is equivalent to being limited in the first through hole 21 and the second through hole 22, the lock catch 1 can be prevented from rotating integrally during the driving process of the vehicle, so as to collide with the lock body 5 and damage the lock body 5.

Further, the distance between the outer surface of the optical axis 12 and the second through hole 22 is 0.1mm-1mm, so that on one hand, the friction force between the second through hole 22 and the optical axis 12 is prevented from hindering the movement of the optical axis 12, and the friction resistance when the lock catch 1 moves is reduced, on the other hand, the optical axis 12 can be limited in a certain limited space, and the over large range of the optical axis 12 in the second through hole 22 is prevented, so that the phenomenon that the lock catch 1 rotates due to the fact that the optical axis 12 swings in the second through hole 22 in a large amplitude in the driving process of the vehicle, and collides with the lock body 5 to damage the lock body 5, and the locking function of the lock body 5 is disabled.

Further, the striker mounting plate 2 may be mounted to the engine cover 4 through various embodiments, for example, in one embodiment provided by the present disclosure, as shown in fig. 7, a mounting hole 23 is formed on the striker mounting plate 2, and the fastener 6 passes through the mounting hole 23 to fasten the striker mounting plate 2 to the engine cover 4. The mounting hole 23 may be plural for increasing the connection stability.

According to another aspect of the present disclosure, there is provided a vehicle comprising an engine compartment, a lock body 5, an engine cover 4 and the engine cover latch assembly described above, the engine cover latch assembly being disposed at a front end of the engine cover 4, the lock body 5 being mounted in the engine compartment, a latch mounting plate 2 of the engine cover latch assembly being fixed to the engine cover 4 or being formed as a part of the engine cover 4, and a latch 1 of the engine cover latch assembly locking the engine cover 4 to the lock body 5.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. The utility model provides an engine hood lock catch assembly, its characterized in that includes hasp (1), hasp mounting panel (2) and regulating part (3), but regulating part (3) circumferential direction and axial locking install on hasp mounting panel (2), hasp (1) includes threaded shaft (11), threaded shaft (11) are worn to locate regulating part (3) and with regulating part (3) form the screw-nut pair.

2. The bonnet lock assembly as claimed in claim 1, wherein the adjustment member (3) is a rivet nut, the adjustment member (3) being riveted to the lock mounting plate (2).

3. The engine cover lock catch assembly according to claim 2, wherein a first through hole (21) is formed in the lock catch mounting plate (2), the adjusting member (3) comprises a nut body (31), an inner edge of the nut body (31) extends along an axial direction of the nut body (31) to penetrate through the first through hole (21) and is turned outwards to form an annular flange (32), the annular flange (32) is stopped on the lock catch mounting plate (2), and the threaded shaft (11) is in threaded fit with the nut body (31).

4. The bonnet lock assembly as claimed in claim 3, wherein the adjustment member (3) further comprises a flange (33), the flange (33) being formed at an end of the nut body (31) adjacent to the lock mounting plate (2), the lock mounting plate (2) being clamped between the flange (33) and the annular bead (32).

5. The bonnet lock assembly as claimed in claim 4, wherein the first through hole (21) is formed with a first chamfer (211) near the edge of the annular bead (32), and the first through hole (21) is formed with a second chamfer (212) near the edge of the flange (33).

6. The bonnet lock assembly as claimed in claim 3, wherein the annular bead (32) comprises an annular root portion (321) and an annular end portion (322), the annular root portion (321) being located between the annular end portion (322) and the nut body (31), the axis of the annular root portion (321) being parallel to the axis of the nut body (31), the annular end portion (322) being arranged at an angle to the lock mounting plate (2).

7. The bonnet lock assembly as claimed in claim 6, wherein the distance between the outer surface of the annular root portion (321) and the first through hole (21) is 0.1mm to 0.3mm, and the angle between the annular end portion (322) and the lock mounting plate (2) is 0 ° to 80 °.

8. The bonnet lock assembly as claimed in any one of claims 1 to 7, wherein the lock (1) further comprises an optical axis (12) parallel to the threaded shaft (11), and the lock mounting plate (2) has a second through hole (22) formed therein through which the optical axis (12) passes.

9. The bonnet lock assembly as claimed in claim 8, wherein the distance between the outer surface of the optical axis (12) and the second through hole (22) is 0.1mm-1 mm.

10. A vehicle, characterized in that, includes engine room, lock body (5), bonnet (4) and any one of claims 1-9 the bonnet lock assembly, the bonnet lock assembly sets up in the front end of the bonnet (4), the lock body (5) is installed in the engine room, the bonnet lock assembly's hasp mounting plate (2) is fixed on the bonnet (4) or forms a part of the bonnet (4), the bonnet lock assembly's hasp (1) will the bonnet (4) lock on the lock body (5).