CN203996370U - A kind of lockout mechanism and adopt the children trolley of this lockout mechanism - Google Patents

Abstract

The utility model relates to a locking mechanism and a children's cart adopting the locking mechanism, which has a locking position and an unlocking position. The locking mechanism includes a first locking unit, a second locking unit and a third locking unit. The locking The mechanism also includes connecting with the first locking unit, the second locking unit, and the third locking unit respectively, capable of controlling the first locking unit, the second locking unit, the The third locking unit simultaneously unlocks the unlocking handle. The utility model can unlock three locking units at the same time by turning the unlocking handle, so that the unlocking is convenient and quick; when it is applied to a double cart, it can be more simple and convenient to receive the cart.

Description

A locking mechanism and a baby stroller using the locking mechanism

technical field

The utility model relates to a locking mechanism and a children's cart adopting the locking mechanism.

Background technique

Notification number is CN203332187U, announcement date is 2013-12-11 The reversing mechanism of the children's stroller, the locking device includes a buckle provided on the sliding sleeve, a push rod arranged on the push rod and detachably engaged with the buckle The hook. The unlocking device includes a slider arranged inside the push rod and movable along its axial direction, an unlock button arranged outside the push rod and connected with the slider, the hook is connected to the unlock button, and the slider is pulled and limited device is connected. A chute is provided on the slide block, and a protrusion matched with the chute is arranged on the unlocking button, and the protrusion can move in the chute. When the unlock button is pressed, the hook is separated from the bayonet, and the sliding sleeve can move on the push rod. Drive the limit device to unlock. This structure needs to unlock the locking device first, thereby driving the limit device to unlock.

Utility model content

The technical problem to be solved by the utility model is to provide a locking mechanism capable of simultaneously unlocking three locking units.

Another technical problem to be solved by the utility model is to provide a baby stroller adopting the above-mentioned locking mechanism.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A locking mechanism has a locking position and an unlocking position, the locking mechanism includes a first locking unit, a second locking unit, and a third locking unit, and the locking mechanism also includes the first locking unit, the The second locking unit and the third locking unit are respectively connected to an unlocking handle capable of controlling the simultaneous unlocking of the first locking unit, the second locking unit, and the third locking unit.

Specifically, the first locking unit is directly connected to the unlocking handle, the second locking unit and the third locking unit are respectively connected to the unlocking handle through a first pulling cable and a second pulling cable, and the The unlocking handle includes a rotatable handle body and an unlocking portion formed on the handle body to cooperate with the first locking unit for unlocking.

More specifically, the unlocking handle also includes a boss provided on the handle body, and the locking mechanism also includes a rotating member that cooperates with the boss and is driven to rotate by the boss. The first A pulling cable and a second pulling cable are respectively connected to the rotating member.

More specifically, there are two bosses and two rotating parts respectively, and the two rotating parts are respectively connected with a first pulling cable and a second pulling cable.

More specifically, the side of the rotating member facing the boss has a plane that fits with the boss.

More specifically, the handle body and the rotating member are respectively rotatably connected to the first locking unit through pivots.

Specifically, the first locking unit includes a first sliding sleeve that can slide, a first lock pin that can slide along a sliding direction perpendicular to the first sliding sleeve, and a first elastic member. The sleeve has a first locking groove, the first locking pin cooperates and locks with the first locking groove, and the first elastic member is used to make the first locking pin obtain a tendency to move toward the first locking groove, The unlocking handle cooperates with the first lock pin to unlock the first locking unit.

A children's stroller, comprising a stroller frame, including the above-mentioned locking mechanism, the stroller frame includes at least 3 sets of rods, each of which includes first rods that are rotated and slidably connected and the second rod, the first locking unit, the second locking unit and the third locking unit are respectively used to relatively lock the first rod and the second rod of the at least three groups of rods.

Specifically, the children's stroller is a double stroller, the stroller frame has an unfolded state and a folded state, and the stroller frame includes a first bracket located in the middle, a second bracket located on both sides, and a second bracket respectively. Three brackets, the first bracket, the second bracket, and the third bracket respectively include the first rod and the second rod that are rotatably connected, and the first locking unit and the second locking unit and the third locking unit are correspondingly arranged on the first support, the second support and the third support respectively.

More specifically, the first rod is a rear bracket.

More specifically, the second locking unit and/or the third locking unit include a second sliding sleeve slidably sleeved on the first rod, a sliding sleeve disposed on the first rod The second locking slot, the second locking pin which is slidably arranged in the second sliding sleeve along the sliding direction perpendicular to the second sliding sleeve and cooperates with the second locking slot, and the first locking pin. The traction rope or the second traction rope are connected and can drive the slide block and the second elastic member of the second lock pin to slide, the slide block is formed with a first slope, and the second lock A second inclined surface matched with the first inclined surface is formed on the pin, and the second elastic member is used to make the second locking pin move toward the second locking groove. The sliding sleeve is rotatably connected with the second rod.

More specifically, the second locking unit and/or the third locking unit further include a fixing piece that is fixedly connected with the second sliding sleeve and has an accommodating space inside, and the inside of the fixing piece At least one protrusion whose length direction is parallel to the sliding direction of the second lock pin is formed, the second lock pin is slidably sleeved on the protrusion, the slider and the The second elastic parts are all located in the fixing parts.

The beneficial effects of the utility model are:

The utility model can unlock three locking units at the same time by turning the unlocking handle, so that the unlocking is convenient and quick; when it is applied to a double cart, it can be more simple and convenient to receive the cart.

Description of drawings

Accompanying drawing 1 is the perspective view of the utility model;

Accompanying drawing 2 is the back view of the utility model;

Accompanying drawing 3 is the perspective view of the second locking unit (in locked position);

Accompanying drawing 4 is the perspective view of the second locking unit (locking position and unlocking position conversion process);

Accompanying drawing 5 is the perspective view of the second locking unit (in the unlocked position);

Accompanying drawing 6 is a schematic diagram of unlocking the handle and the first lock pin (in the locked position);

Figure 7 is a schematic diagram of the unlocking handle and the first lock pin (during the conversion between the locked position and the unlocked position);

Figure 8 is a schematic diagram of the unlock handle and the first lock pin (in the unlocked position);

Accompanying drawing 9 is a schematic diagram of pushing the unlock handle and the rotating part (in the locked position);

Accompanying drawing 10 is a schematic diagram of pushing the unlock handle and the rotating part (in the process of switching between the locked position and the unlocked position);

Figure 11 is a schematic diagram of pushing the unlock handle and the rotating part (in the unlocked position);

Among them: 1. The first bracket; 2. The second bracket; 3. The third bracket; 4. The first rod; 5. The second rod; 6. The front bracket; 7. The first sliding sleeve; 8. The first Lock pin; 9. First pivot; 10. Handle body; 11. Unlocking part; 12. Boss; 13. Rotating member; 14. Second pivot; 15. Plane; 16. Traction rope; 17. Second Sliding sleeve; 18, fixing piece; 19, second lock pin; 20, slider; 21, second elastic member; 22, first slope; 23, second slope; 24, protruding post.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further elaborated.

As shown in the accompanying drawings, a children's stroller is a double stroller, including a stroller frame in an unfolded state and a folded state, and the stroller frame includes a first bracket 1, a The second bracket 2 and the third bracket 3 located on both sides, the first bracket 1, the second bracket 2, and the third bracket 3 all include a first rod 4 and a second rod 5 that are rotatably connected, wherein the first Rod 4 is a rear bracket, and the second rod 5 is a connecting rod. The first bracket 1, the second bracket 2, and the third bracket 3 also include a front bracket 6 that is rotatably connected to the rear bracket. The brackets are rotatably connected in 6 phases.

The stroller also includes a locking mechanism for locking the frame of the stroller in the unfolded state, and the locking mechanism is used for locking the three sets of first rods 4 and second rods 5 relative to each other. The locking mechanism has a locked position and an unlocked position, specifically including a first locking unit set on the first bracket 1, a second locking unit set on the second bracket 2, and a third locking unit set on the third bracket 3 , wherein the second locking unit and the third locking unit are arranged symmetrically on both sides of the first locking unit, and the structures of the second locking unit and the third locking unit are identical. The locking mechanism also includes an unlocking handle arranged on the first locking unit and capable of controlling the simultaneous unlocking of the first locking unit, the second locking unit and the third locking unit.

The first locking unit is directly connected to the unlocking handle, the first locking unit includes a first sliding sleeve 7 that can be slidably arranged on the first rod 4 of the first bracket 1, and can slide along the sliding direction perpendicular to the first sliding sleeve 7. The first locking pin 8 and the first elastic member are slidably arranged. The first sliding sleeve 7 has a first locking groove. The first locking pin 8 is locked with the first locking groove. Inside, the first elastic member is used to make the first lock pin 8 obtain a tendency to move toward the first lock groove, and the two ends of the first elastic member respectively abut against the gaps between the first lock pin 8 and the first rod member 4 on the inner wall. The unlocking handle cooperates with the first locking pin 8 to unlock the first locking unit. Specifically, the unlocking handle includes a handle body 10 rotatably connected to the first sliding sleeve 7 via a first pivot 9 , and an unlocking portion 11 formed on the handle body 10 to cooperate with the first locking unit for unlocking. The unlocking part 11 rotates with the handle body 10, and the unlocking part 11 interferes with the head of the first lock pin 8. Under the extrusion of the unlocking part 11, the first lock pin 8 overcomes the elastic force of the first elastic member, thereby from The first locking groove exits to realize the unlocking of the first locking unit, and the first sliding sleeve 7 can slide on the first rod 4 . The axis line direction of the first pivot 9, the sliding direction of the first sliding sleeve 7, and the sliding direction of the first lock pin 8 are perpendicular to each other, and the second rod member 5 is rotationally connected with the first sliding sleeve 7 .

The unlocking handle also includes a boss 12 arranged on the handle body 10, and the locking mechanism also includes a rotating member 13 that cooperates with the boss 12 and is driven by the boss 12 to rotate. The rotating member 13 connects with the first slide through the second pivot 14 The sleeve 7 is rotatably connected, the axial direction of the second pivot 14 is parallel to the axial direction of the first pivot 9 , and the side of the rotating member 13 facing the boss 12 has a plane 15 matched with the boss 12 . The pulling cable 16 is a first pulling cable and a second pulling cable arranged symmetrically, and the second locking unit and the third locking unit are respectively connected to the unlocking handle through the first pulling cable and the second pulling cable. There are two bosses 12 symmetrically arranged on both sides of the unlocking part 11 , and two rotating parts 13 corresponding to the bosses 12 , and the two rotating parts 13 are respectively connected with a first traction cable and a second traction cable. The boss 12 rotates with the handle body 10, and the boss 12 cooperates with the plane 15 of the rotating member 13 to drive the plane 15 to rotate downwards, which drives the rotating member 13 to rotate, thereby driving the traction rope 16 connected to the rotating member 13 to move upward.

The second locking unit includes a second sliding sleeve 17 that is slidably sleeved on the first rod 4 of the second bracket 2, a fixing member 18 that is fixedly connected with the second sliding sleeve 17 and has an accommodating space inside, and is arranged on the The second locking groove on the first lever 4, the second locking pin 19 that can be slidably arranged in the fixing member 18 along the sliding direction perpendicular to the sliding direction of the second sliding sleeve 17 and cooperates with the second locking groove, and the first The traction rope is connected and can drive the sliding block 20 and the second elastic member 21 of the second locking pin 19 to slide. The second inclined surface 23, two protrusions 24 whose length direction is parallel to the sliding direction of the second locking pin 19 are formed in the fixing member 18, the two protrusions 24 are located on the upper and lower sides of the second locking pin 19, and the second locking pin 19 is slidably sleeved on the two bosses 24, and the second elastic member 21 is used to make the second lock pin 19 obtain a tendency to move toward the direction of the second lock groove. The second elastic member 21 is respectively sleeved on two The two ends of the two second elastic pieces 21 on the protruding post 24 are respectively abutted against the fixing piece 18 and the second locking pin 19 , and both the slider 20 and the second elastic piece 21 are located in the fixing piece 18 , the second sliding sleeve 17 is rotatably connected with the second rod 5 .

For the structure of the third locking unit, refer to the structure of the second locking unit, which will not be repeated here. If necessary, further locking units can be added, and the structure of the locking unit can be the same as that of the second locking unit, or other structures capable of realizing the locking and unlocking functions can also be used.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to enable those familiar with this technology to understand the content of the present utility model and implement it accordingly, and not to limit the protection scope of the present utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (10)

1. a lockout mechanism, there is locked, it is characterized in that: described lockout mechanism comprises the first lock cell, the second lock cell, the 3rd lock cell, described lockout mechanism also comprises the release handle that is connected respectively, can controls the first described lock cell, described the second lock cell, described the 3rd lock cell release simultaneously with the first described lock cell, described the second lock cell, described the 3rd lock cell.

2. lockout mechanism according to claim 1, it is characterized in that: the first described lock cell is directly connected with described release handle, described the second lock cell and the 3rd lock cell are connected with the second trailing cable and described release handle by the first trailing cable respectively, and described release handle comprises on the handle body of the setting that can rotate, the handle body described in being formed on and coordinates the solution lock section of release with the first described lock cell.

3. lockout mechanism according to claim 2, it is characterized in that: described release handle also comprises the boss being arranged on described handle body, described lockout mechanism also comprises with described boss and coordinating, by described boss, driven and the revolving part that rotates, and the first described trailing cable is connected with described revolving part respectively with the second trailing cable.

4. lockout mechanism according to claim 3, is characterized in that: described boss and described revolving part have respectively 2, on described 2 revolving parts, connects respectively the first trailing cable and the second trailing cable.

5. according to the lockout mechanism described in claim 3 or 4, it is characterized in that: the side towards described boss of described revolving part has the plane coordinating with described boss.

6. according to the lockout mechanism described in claim 3 or 4, it is characterized in that: described handle body and revolving part are rotated and are connected by pivot and described the first lock cell respectively.

7. according to the lockout mechanism described in any one claim in claim 1 to 4, it is characterized in that: described the first lock cell comprises the first sliding sleeve of the setting that can slide, first lock pin that can arrange slidably along the direction of slip perpendicular to the first sliding sleeve, the first elastic component, described the first sliding sleeve has the first locked groove, the first lock pin coordinates locking with described the first locked groove, described the first elastic component is for obtaining towards the trend of the direction motion of described the first locked groove described the first lock pin, described release handle coordinates described the first lock cell is carried out to release with described the first lock pin.

8. a children trolley, comprise go-cart vehicle frame, it is characterized in that: include the lockout mechanism as described in any one claim in claim 1 to 7, described go-cart vehicle frame includes at least 3 group rod member groups, described in each, rod member group comprises and rotating and the first rod member and second rod member of sliding block joint, and described the first lock cell, the second lock cell and the 3rd lock cell are respectively used to lock the first rod member of described at least 3 group rod member groups is relative with the second rod member.

9. children trolley according to claim 8, it is characterized in that: described children trolley is double go-cart, described go-cart vehicle frame has deployed condition and folded state, described go-cart vehicle frame comprises the first support that lays respectively at middle part, be positioned at the second support and the 3rd support of both sides, described the first support, the second support, the 3rd support comprises respectively described the first rod member and described the second rod member that rotates and connect, the first described lock cell, the second lock cell and the 3rd lock cell respectively correspondence are arranged on described the first support, on the second support and the 3rd support.

10. children trolley according to claim 9, it is characterized in that: the second described lock cell and/or the 3rd described lock cell comprise the second sliding sleeve being set in slidably on described the first rod member, be arranged on the second locked groove on described the first rod member, can be slidably arranged in along the direction of slip perpendicular to the second sliding sleeve in described the second sliding sleeve and with the second described locked groove and coordinate the second lock pin locking, the slide block that is connected and can drives the second described lock pin to slide with described the first trailing cable or described the second trailing cable, the second elastic component, on described slide block, be formed with the first inclined-plane, on the second described lock pin, be formed with the second inclined-plane coordinating with the first described inclined-plane, described the second elastic component is for obtaining towards the trend of the direction motion of described the second locked groove described the second lock pin, described the second sliding sleeve rotates and is connected with described the second rod member.