CN216043194U - Engine cover lock capable of being unlocked through double-pull - Google Patents

Abstract

The utility model belongs to the technical field of automobile accessories, and particularly relates to a double-pull unlocking engine hood lock which comprises a bottom plate, ratchet rivets, a ratchet wheel, a pawl, pawl rivets, a pawl reset spring, an unlocking limiting column, a ratchet wheel reset spring, an installation cover plate and an engine hood lock stay wire, wherein the ratchet wheel is riveted on the bottom plate through the ratchet wheel rivets, the pawl is riveted with the installation cover plate through the pawl rivets, and the pawl reset spring is arranged on the bottom plate. When a user operates the inner handle of the machine cover to unlock for the first time, the ratchet is released from the first lock position by the pawl, the ratchet is blocked between the first lock and the second lock by the unlocking limiting column, after the inner handle of the machine cover is released, the pawl is acted by the reset spring force, the unlocking limiting column is separated from the meshing position of the ratchet, the ratchet is continuously reset towards the opening direction under the action of the reset spring, and the ratchet is blocked at the second lock position by the pawl, so that the secondary opening function of the machine cover lock required by laws and regulations is realized.

Description

Engine cover lock capable of being unlocked through double-pull

Technical Field

The utility model relates to the technical field of automobile accessories, in particular to a double-pull unlocking engine hood lock.

Background

For when guaranteeing driver's place ahead field of vision, ensure driver driving place ahead field of vision safety, the regulation requires that the cover lock must have the secondary function of opening, the opening of traditional cover lock divides cab unblock and preceding cover to separate second way safety hook, wherein there is the requirement of man-machine operation space in the arrangement position of second way unblock handle, the scheme of arranging of cover lock need compromise molding style and pedestrian's protection requirement again simultaneously, consequently, the arrangement space of cover lock needs the installation design of very restriction all the other cabin parts, the operational environment of general cover front end is dirty, and traditional cover lock is opened second way safety hook and is needed to be felt at the cover front end and look for the opening handle, consequently, open the use experience that the cover lock brought badness for the customer. Therefore, improvements are needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-pull unlocking engine cover lock, which solves the problems that the working environment of the front end of a common engine cover is dirty, and the opening handle needs to be searched at the front end of the engine cover to open a second safety hook of the traditional engine cover lock, so that poor use experience is brought to a client for opening the engine cover lock.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an engine hood lock of two unblocks that draws, includes that bottom plate, ratchet rivet, ratchet, pawl rivet, pawl reset spring, unblock spacing post, ratchet reset spring, installation apron and engine hood lock are acted as go-between, there is the ratchet through the riveting of ratchet rivet on the bottom plate, the pawl passes through the riveting of pawl rivet with the installation apron, be provided with pawl reset spring on the bottom plate, the spacing post of fixedly connected with unblock on the bottom plate, the spacing post of unblock is riveted with the pawl, install the engine hood lock on the bottom plate and act as go-between.

Preferably, the ratchet wheel return spring is riveted with the bottom plate through a ratchet wheel rivet, and the ratchet wheel return spring is in contact with the ratchet wheel.

Preferably, the mounting cover plate is riveted with the bottom plate through a ratchet rivet, and the mounting cover plate is in contact with the ratchet return spring.

Preferably, the ratchet wheel is provided with a first lock, a second lock and an unlocking buckle.

Preferably, one end of the pawl return spring is fixedly connected with the connecting bottom plate, and the other end of the pawl return spring is fixedly connected with the pawl.

Preferably, the engine cover lock pull wire is fixedly connected with a limiting ball, the engine cover lock pull wire penetrates through the pawl, and the limiting ball is in contact with the pawl.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model realizes that when a user operates the inner buckle of the cover to unlock for the first time by skillfully designing the ratchet wheel and the pawl of the cover lock, the ratchet wheel is released from the first lock position by the pawl, the pawl is blocked between the first lock and the second lock by the unlocking limit column, after the inner handle of the machine cover is released, the pawl is acted by the reset spring force, the unlocking limit column is separated from the meshing position with the ratchet wheel, the ratchet wheel is continuously reset towards the opening direction under the action of the reset spring, the pawl blocks the ratchet wheel at the second locking position at the moment, the secondary opening function of the cover lock required by the laws and regulations is realized, when the user operates the inner handle of the cover to unlock for the second time, the pawl releases the ratchet wheel from the second locking position to the opening position, so that the complete cover unlocking function is realized.

Drawings

FIG. 1 is a perspective view of the hood lock of the present invention.

FIG. 2 is a view of the engine head lock shown in a first lock position with the mounting cover removed in accordance with the present invention;

FIG. 3 is a block diagram of the ratchet wheel after the engine cover lock of the present invention is unlocked for the first time after the mounting cover plate is removed;

FIG. 4 is a view of the second lock position after the bonnet lock of the present invention has been removed from the mounting cover;

FIG. 5 is a schematic view illustrating a structural feature of the ratchet of the present invention;

fig. 6 is a schematic view showing the structural feature of the pawl of the present invention.

In the figure: 1. a base plate; 2. a ratchet rivet; 3. a ratchet wheel; 4. a pawl; 5. a pawl rivet; 6. a pawl return spring; 7. unlocking the limiting column; 8. a ratchet return spring; 9. installing a cover plate; 10. an engine cover lock stay; 31. a first lock; 32. a second lock; 33. unlocking the lock; 101. and a limiting ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a double-pull unlocking engine hood lock comprises a bottom plate 1, a ratchet rivet 2, a ratchet 3, a pawl 4, a pawl rivet 5, a pawl reset spring 6, an unlocking limit post 7, a ratchet reset spring 8, an installation cover plate 9 and an engine hood lock pull wire 10, wherein the ratchet 3 is riveted on the bottom plate 1 through the ratchet rivet 2, the pawl 4 is riveted with the installation cover plate 9 through the pawl rivet 5, the pawl reset spring 6 is arranged on the bottom plate 1, the unlocking limit post 7 is fixedly connected on the bottom plate 1, the unlocking limit post 7 is riveted with the pawl 4, and the engine hood lock pull wire 10 is installed on the bottom plate 1.

Referring to fig. 1, a ratchet return spring 8 is riveted to a base plate 1 by a ratchet rivet 2, and the ratchet return spring 8 is in contact with a ratchet 3. Through the design of the ratchet wheel return spring 8, the ratchet wheel 3 has the function of assisting in returning.

Referring to fig. 1, the mounting cover plate 9 is riveted to the base plate 1 by the ratchet rivet 2, and the mounting cover plate 9 contacts the ratchet return spring 8. The ratchet wheel return spring 8 is limited by the design of the mounting cover plate 9.

Referring to fig. 5, the ratchet 3 is provided with a first lock 31, a second lock 32 and an unlocking buckle 33. The first lock 31, the second lock 32 and the unlocking buckle 33 are used for realizing the states of integral half-locking, full-locking and unlocking.

Referring to fig. 1 and 4, a connection base plate 1 is fixed to one end of a pawl return spring 6, and a pawl 4 is fixedly connected to the other end of the pawl return spring 6. The pawl 4 is provided with a locking support force by the design of the pawl return spring 6.

Referring to fig. 3, a limiting ball 101 is fixedly connected to the hood lock wire 10, the hood lock wire 10 penetrates through the pawl 4, and the limiting ball 101 contacts the pawl 4. Through the design of the limiting ball 101, the engine cover locking pull wire 10 can conveniently pull the lower end of the pawl 4 to move.

The specific implementation process of the utility model is as follows: when in use, the mounting cover plate 9, the pawl 4, the ratchet 3 and the ratchet reset spring 8 are assembled and riveted and fixed on the bottom plate 1 through the pawl rivet 5 and the ratchet rivet 2, the bottom plate 1 and the pawl 4 are connected through the pawl reset spring 6 to provide locking support force for the pawl 4, finally the engine cover lock assembly is connected with the engine cover inner handle through the engine cover lock stay wire 10, the unlocking moment and the stroke of the engine cover inner handle are transmitted, the first lock 31 meshing part of the ratchet 3 is meshed with the pawl 4 to form the first lock 31 position of the engine cover lock, when the engine cover inner handle is unlocked by a client, the ratchet 3 is released from the first lock 31 position through the pawl 4, the ratchet 3 is blocked between the first lock 31 and the second lock 32 through the unlocking limit column 7, and after the client releases the engine cover inner handle, the pawl 4 is acted by the pawl reset spring force 6, the unlocking limiting column 7 is separated from the meshing position with the ratchet wheel 3, the ratchet wheel 3 is continuously reset towards the opening direction under the action of the pawl reset spring 6, the pawl 4 blocks the ratchet wheel 3 at the position of the second lock 32 at the moment, the secondary opening function of the cover lock required by laws and regulations is realized, and when a user operates the inner buckle of the cover to unlock for the second time, the pawl 4 releases the ratchet wheel 3 from the position of the second lock 32 to the opening position, so that the complete cover unlocking function is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a two engine bonnet locks of drawing unblock, includes bottom plate (1), ratchet rivet (2), ratchet (3), pawl (4), pawl rivet (5), pawl reset spring (6), spacing post of unblock (7), ratchet reset spring (8), installation apron (9) and engine bonnet lock stay (10), its characterized in that: the engine cover lock is characterized in that a ratchet wheel (3) is riveted with a bottom plate (1) through a ratchet wheel rivet (2), a pawl (4) is riveted with an installation cover plate (9) through a pawl rivet (5), a pawl reset spring (6) is arranged on the bottom plate (1), an unlocking limiting column (7) is fixedly connected to the bottom plate (1), the unlocking limiting column (7) is riveted with the pawl (4), and an engine cover lock pull wire (10) is installed on the bottom plate (1).

2. A double-pull unlocked hood lock according to claim 1 wherein: the ratchet wheel reset spring (8) is riveted with the bottom plate (1) through a ratchet wheel rivet (2), and the ratchet wheel reset spring (8) is in contact with the ratchet wheel (3).

3. A double-pull unlocked hood lock according to claim 1 wherein: the installation cover plate (9) is riveted with the bottom plate (1) through a ratchet rivet (2), and the installation cover plate (9) is in contact with a ratchet reset spring (8).

4. A double-pull unlocked hood lock according to claim 1 wherein: the ratchet wheel (3) is provided with a first lock (31), a second lock (32) and an unlocking buckle (33).

5. A double-pull unlocked hood lock according to claim 1 wherein: one end of the pawl return spring (6) is fixedly connected with the connecting bottom plate (1), and the other end of the pawl return spring (6) is fixedly connected with the pawl (4).

6. A double-pull unlocked hood lock according to claim 1 wherein: the engine cover lock pull wire (10) is fixedly connected with a limiting ball (101), the engine cover lock pull wire (10) penetrates through the pawl (4), and the limiting ball (101) is in contact with the pawl (4).

Images