CN220243442U - Self-locking type connecting rod mechanism - Google Patents

Abstract

The utility model discloses a self-locking type connecting rod mechanism, which comprises: the self-locking device comprises a first folding piece, a second folding piece, a handle, an adjusting rod, a torsion spring, a self-locking rod structure and a self-locking rod structure, wherein the first rotating shaft penetrates through the first folding piece and the second folding piece, the second rotating shaft is connected with the second rotating shaft and the third rotating shaft at two ends of the adjusting rod, the self-locking rod structure penetrates through the second folding piece and the fourth rotating shaft of the handle, and is arranged on the handle; the second rotating shaft is provided with a self-locking groove, the self-locking rod structure is matched with the self-locking groove, the second rotating shaft penetrates through the first folding piece, the third rotating shaft penetrates through the handle, and the torsion spring is sleeved on the fourth rotating shaft. According to the utility model, when the first folding piece and the second folding piece are close to the closed state, the handle can actively complete the automatic locking function of the handle under the action of the pushing force of the auxiliary spring, so that the irregular operation of a vehicle owner in the use process is avoided, the handle is not locked in place to ride, and the safety risk of a rider in the riding process is eliminated.

Description

Self-locking type connecting rod mechanism

Technical Field

The utility model relates to the technical field of folders, in particular to a self-locking type connecting rod mechanism.

Background

At present, a four-bar linkage folder of a folding vehicle in the market adopts a full-manual locking mode, a vehicle owner does not operate in a standard mode in the using process, a handle of the folder is not locked in place to ride, and the folder can be automatically opened in the moment in the riding process, so that the vehicle is out of control and is at risk of safety.

Accordingly, the prior art has drawbacks and needs improvement.

Disclosure of Invention

The utility model aims to solve the technical problems that: the self-locking connecting rod mechanism is provided, so that irregular operation of a vehicle owner in the using process is avoided, the handle of the folder is not locked in place to ride, and the safety risk of a rider in the riding process is eliminated.

The technical scheme of the utility model is as follows: provided is a self-locking link mechanism including: the self-locking device comprises a first folding piece, a second folding piece, a handle, an adjusting rod, a torsion spring, a self-locking rod structure and a self-locking rod structure, wherein the first rotating shaft penetrates through the first folding piece and the second folding piece, the second rotating shaft is connected with the second rotating shaft and the third rotating shaft at two ends of the adjusting rod, the self-locking rod structure penetrates through the second folding piece and the fourth rotating shaft of the handle, and is arranged on the handle; the second rotating shaft is provided with a self-locking groove, the self-locking rod structure is matched with the self-locking groove, the second rotating shaft penetrates through the first folding piece, the third rotating shaft penetrates through the handle, the torsion spring is sleeved on the fourth rotating shaft, the handle is divided into an outer end and a self-locking end by the fourth rotating shaft, and two ends of the torsion spring are respectively abutted to or connected with the outer end of the handle and the second folding piece; the self-locking rod structure and the third rotating shaft are arranged on the self-locking end.

Further, the self-locking lever structure includes: the compression spring, the self-locking lever body, the stopper connected with said self-locking lever body; the handle is provided with a reciprocating groove, and the side surface of the reciprocating groove is provided with a limiting window; the two ends of the compression spring are respectively abutted with the self-locking rod body and the bottom of the reciprocating groove, the limiting block is inserted into the limiting window, and the self-locking rod body faces the second rotating shaft.

Further, the self-locking lever structure further includes: and the shifting block is connected with the limiting block.

Further, the handle includes: the handle body and the cover plate are connected with the handle body; the cover plate covers one section of the reciprocating groove to form a limiting window.

Further, the handle is provided with a containing groove, and the containing groove is matched with the adjusting rod.

Further, the accommodating groove is parallel to the reciprocating groove.

Further, the first folded piece has the same height as the second folded piece. The width of the first folding piece is the same as the width of the second folding piece.

By adopting the scheme, the self-locking connecting rod mechanism provided by the utility model has the advantages that when the first folding piece and the second folding piece are close to the closed state, the handle can actively complete the automatic locking function of the handle under the thrust action of the auxiliary spring, so that the irregular operation of a vehicle owner in the using process is avoided, the handle is not locked in place for riding, and the safety risk of a rider in the riding process is eliminated.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of the embodiment of FIG. 1 from another perspective;

fig. 3 is a schematic structural view of the first folding member, the second folding member, the first rotating shaft, the adjusting rod, the third rotating shaft, the fourth rotating shaft and the torsion spring;

FIG. 4 is a schematic view of the structure of the handle and the self-locking lever;

FIG. 5 is a schematic view of the structure of the handle;

fig. 6 is a schematic structural view of the self-locking lever structure.

Detailed Description

The utility model will be described in detail below with reference to the drawings and the specific embodiments.

Referring to fig. 1-6, the present embodiment provides a self-locking link mechanism, which includes: the self-locking handle comprises a first folding piece 10, a second folding piece 11, a handle, an adjusting rod 12, a torsion spring 13, a first rotating shaft 14 penetrating through the first folding piece 10 and the second folding piece 11, a second rotating shaft 15 and a third rotating shaft 16 connected to two ends of the adjusting rod 12, a fourth rotating shaft 17 penetrating through the second folding piece 11 and the handle, and a self-locking rod structure arranged on the handle; the second rotating shaft 15 is provided with a self-locking groove 18, the self-locking rod structure is matched with the self-locking groove 18, the second rotating shaft 15 penetrates through the first folding piece 10, the third rotating shaft 16 penetrates through the handle, the torsion spring 13 is sleeved on the fourth rotating shaft 17, the handle is divided into an outer end and a self-locking end by the fourth rotating shaft 17, and two ends of the torsion spring 13 are respectively abutted against or connected with the outer end of the handle and the second folding piece 11; the self-locking lever structure, the third shaft 16, is disposed at the self-locking end. The two ends of the torsion spring 13 are respectively abutted or connected with the outer end of the handle and the second folding piece 11, the torsion spring 13 always has a force acting on the outer end of the handle, and the power-assisted handle is close to the adjusting rod 12.

When the folding is not needed, the first folding piece 10 and the second folding piece 11 are closed, the handle and the adjusting rod 12 are also gradually closed, when the first folding piece and the second folding piece are close to a closed state, the torsion spring 13 can assist the handle, the self-locking rod structure is matched with the self-locking groove 18, so that the automatic locking function of the handle can be actively completed, irregular operation of a vehicle owner in the using process is avoided, the handle is not locked in place to ride, and the safety risk of a rider in the riding process is eliminated.

In this embodiment, the self-locking lever structure includes: a compression spring 19, a self-locking rod body 20 and a limiting block 21 connected with the self-locking rod body 20; the handle is provided with a reciprocating groove 22, and the side surface of the reciprocating groove 22 is provided with a limiting window 23; the two ends of the compression spring 19 are respectively abutted against the bottoms of the self-locking rod body 20 and the reciprocating groove 22, the limiting block 21 is inserted into the limiting window 23, and the self-locking rod body 20 faces the second rotating shaft 15. The compression spring 19 can push the self-locking rod body 20, and when the handle and the adjusting rod 12 are close to a closed state after the first folding piece 10 and the second folding piece 11 are completely closed, the self-locking rod body 20 can be automatically inserted into the self-locking groove 18 under the assistance of the torsion spring 13.

In this embodiment, the self-locking lever structure further includes: a shifting block 24 connected with the limiting block 21. The pulling block 24 facilitates pulling the self-locking lever body 20. So that the self-locking lever body 20 can be rapidly pulled out of the self-locking groove 18.

In this embodiment, the handle includes: a handle body 25, a cover plate 26 connected with the handle body 25; the cover plate 26 covers a section of the reciprocating groove 22 to form a limiting window 23.

In this embodiment, the handle is provided with a receiving groove 27, and the receiving groove 27 is engaged with the adjustment lever 12. The receiving groove 27 is parallel to the reciprocating groove 22.

In this embodiment, the first folder 10 has the same height as the second folder 11. The width of the first folder 10 is the same as the width of the second folder 11.

In summary, the utility model provides a self-locking link mechanism, when the first folding piece and the second folding piece are close to a closed state, the handle can actively complete the automatic locking function of the handle under the thrust action of the auxiliary spring, so that irregular operation of a vehicle owner in the using process is avoided, the handle is not locked in place for riding, and the safety risk of a rider in the riding process is eliminated.

The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (8)

1. A self-locking link mechanism, comprising: the self-locking device comprises a first folding piece, a second folding piece, a handle, an adjusting rod, a torsion spring, a self-locking rod structure and a self-locking rod structure, wherein the first rotating shaft penetrates through the first folding piece and the second folding piece, the second rotating shaft is connected with the second rotating shaft and the third rotating shaft at two ends of the adjusting rod, the self-locking rod structure penetrates through the second folding piece and the fourth rotating shaft of the handle, and is arranged on the handle; the second rotating shaft is provided with a self-locking groove, the self-locking rod structure is matched with the self-locking groove, the second rotating shaft penetrates through the first folding piece, the third rotating shaft penetrates through the handle, the torsion spring is sleeved on the fourth rotating shaft, the handle is divided into an outer end and a self-locking end by the fourth rotating shaft, and two ends of the torsion spring are respectively abutted to or connected with the outer end of the handle and the second folding piece; the self-locking rod structure and the third rotating shaft are arranged on the self-locking end.

2. The self-locking linkage of claim 1, wherein the self-locking bar structure comprises: the compression spring, the self-locking lever body, the stopper connected with said self-locking lever body; the handle is provided with a reciprocating groove, and the side surface of the reciprocating groove is provided with a limiting window; the two ends of the compression spring are respectively abutted with the self-locking rod body and the bottom of the reciprocating groove, the limiting block is inserted into the limiting window, and the self-locking rod body faces the second rotating shaft.

3. The self-locking linkage of claim 2, wherein the self-locking bar structure further comprises: and the shifting block is connected with the limiting block.

4. The self-locking linkage of claim 2, wherein the handle comprises: the handle body and the cover plate are connected with the handle body; the cover plate covers one section of the reciprocating groove to form a limiting window.

5. The self-locking linkage of claim 2, wherein the handle is provided with a receiving slot that mates with the adjustment rod.

6. The self-locking linkage of claim 5 wherein the receiving slot is parallel to the reciprocating slot.

7. The self-locking linkage of claim 1, wherein the first fold is the same height as the second fold.

8. The self-locking linkage of claim 1, wherein the width of the first fold is the same as the width of the second fold.