CN204309871U - The adjustment knob of doll carriage - Google Patents

Abstract

The utility model discloses an adjustment knob of a baby stroller, which comprises a knob cover and a knob pinned to the knob cover, and traction locks are connected between the knob and locking mechanisms on both sides of the push rod assembly. There is a step on the outer periphery of the hand, and the inner pin of the handle cover is connected with two locks. One side of the two locks is provided with a pressing column, and the other side is a snap-in end, and a pressure spring is arranged between the snap-in end and the handle cover. , the knob cover has a pressing column hole, the outer end of the pressing column passes through the pressing column hole and extends out of the knob cover to form a pressing part. At the step of the knob, the knob cannot be rotated at this time. When the locking mechanism is unlocked, press the pressing part of the pressing column, and the second lock will rotate around the pin shaft and the snap-in end will be separated from the step of the knob. Move the handle, and the handle can be unlocked through the traction lock to drive the locking mechanism; the utility model uses two locks to lock the handle, which avoids the accidental rotation and unlocking of the handle due to misoperation, and ensures the safety of riding.

Description

Adjustment knob for baby stroller

technical field

The utility model relates to a baby stroller, in particular to an adjustment knob of the baby stroller.

Background technique

Baby strollers are already a necessary tool for infants and young children to travel. In addition to pursuing the basic requirements of stability and safety of baby strollers, users pay more and more attention to the characteristics of small size, light weight, and foldable baby strollers. The baby stroller with the above characteristics can easily prevent it from being stuck in the trunk of the car, and it can also reduce the volume it occupies on the bus or train, which greatly facilitates travel and portability.

The push rods on both sides of the push rod assembly of the existing baby stroller are generally provided with a locking mechanism for locking and positioning with the vehicle frame, and the push handle of the push rod assembly is provided with an unlocking button or button for simultaneously releasing the locking mechanism for locking the vehicle frame. Adjust the knob. The existing adjustment knobs drive the traction lock to move up by turning, and then release the locking mechanism of the locking mechanism to unlock the frame. However, when this adjustment knob is pushed normally, it is likely to cause accidental unlocking due to misoperation. And then affect the safety of riding.

Contents of the invention

The purpose of the utility model is to provide an adjustment knob for a baby stroller, which is provided with two locks, and the two locks are used to lock the knob when it is pushed normally, so as to avoid the accidental rotation of the knob due to misoperation Unlocking ensures the safety of riding.

The technical scheme of the utility model is: an adjustment knob of a baby stroller, comprising a knob cover arranged in the middle of the push handle of the push rod assembly, a knob connected with the knob cover in rotation, the knob and the push rod A traction lock is connected between the locking mechanisms on both sides of the assembly. The handle is formed with a step in the outer peripheral part of the handle cover. The handle cover is pinned with two locks through pin shafts. The two locks The lock piece is formed with a pressing column on one side of the pin shaft, and the other side of the pin shaft is a snap-in end corresponding to the step of the handle, and the snap-in end and the handle cover are provided with Compression spring, the knob cover has a column hole for the column to pass through, the outer end of the column passes through the column hole and extends out of the knob cover to form a pressing part, and the pressing part of the column is not stressed , the clamping end of the secondary lock is set at the step of the knob, and the knob cannot be rotated at this time. When the locking mechanism is unlocked, press the pressing part of the pressing column, and the secondary lock rotates around the pin shaft and makes the The clamping end is separated from the step of the knob, and at this time, the knob is moved, and the knob can be unlocked by driving the locking mechanism through the traction lock.

The handle cover includes an upper cover body and a lower cover body which are engaged with each other, and the upper cover body and the lower cover body are connected and fixed by a locking piece.

The handle includes a mounting part arranged in the handle cover and pinned to the handle cover, and a handle part extending from the mounting part to protrude outward from the handle cover and rotatable relative to the handle cover. The inner surface has two sections of arcuate surfaces, and the step is formed at the junction of the above two sections of arcuate surfaces.

The utility model has the advantages that: the utility model adds two locks, and when it is pushed normally, the handle is locked by the two locks, which avoids the accidental rotation and unlocking of the handle due to misoperation, and ensures the safety of riding When you need to turn the knob, you only need to press the pressing part of the pressing column first to release the lock of the clamping end of the second lock piece to the knob, and then turn the knob normally to drive the locking mechanism to unlock through the traction lock , the overall structure is simple, easy to operate, and safe and reliable.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the sectional structure schematic diagram of the utility model;

Fig. 3 is the three-dimensional structure schematic diagram of knob and two locks in the utility model;

Fig. 4 is a schematic diagram of the side structure of the knob and the secondary lock in the utility model;

Fig. 5 is a schematic diagram of the assembly structure of the knob and the secondary lock in the utility model.

Among them: 1 push rod assembly;

2 knob cover; 2-1 upper cover body; 2-2 lower cover body;

3 knobs; 3-1 steps; 3-2 installation part; 3-3 hand-held part;

4 locking mechanism;

5 traction locks;

6 pins;

7. Two locks; 7-1 Press column; 7-2 Clamping end;

8 compression springs.

Detailed ways

Embodiment: As shown in Fig. 1 to Fig. 5, an adjustment knob of a baby stroller includes a knob cover 2 arranged in the middle of the push handle of the push rod assembly 1, and a knob 3 rotatably connected to the knob cover 2 , a traction lock 5 is connected between the knob 3 and the locking mechanisms 4 on both sides of the push rod assembly 1, and a step 3-1 is formed on the outer peripheral part of the knob 3 in the knob cover 2, the knob The cover 2 is pin-connected with a secondary lock 7 through the pin shaft 6. The secondary lock 7 is formed with a post 7-1 on one side of the pin 6, and the secondary lock 7 is connected to the other side of the pin 6. The side is the clamping end 7-2 corresponding to the step 3-1 of the knob 3, and a compression spring 8 is arranged between the clamping end 7-2 and the knob cover 2, and the knob cover 2 has The pressing column hole for the pressing column 7-1, the outer end of the pressing column 7-1 passes through the pressing column hole and extends out of the knob cover 2 to form a pressing part, and the pressing part of the pressing column 7-1 is not stressed , the clamping end 7-2 of the secondary lock 7 is clamped at the step 3-1 of the knob 3. At this time, the knob 3 cannot rotate. When the locking mechanism 4 is unlocked, press the pressing column 7-1. part, the second lock 7 rotates around the pin shaft 6 and makes the clamping end 7-2 separate from the step 3-1 of the knob 3, at this time, the knob 3 is moved, and the knob 3 can be driven and locked by the traction lock 5 Agency 4 unlocked.

The handle cover 2 includes an upper cover body 2-1 and a lower cover body 2-2 which are engaged with each other, and the upper cover body 2-1 and the lower cover body 2-2 are connected and fixed by a locking member.

The knob 3 includes a mounting part 3-2 which is arranged in the knob cover 2 and pinned to the knob cover 2, and extends from the mounting part 3-2 to protrude outward from the knob cover 2 and can be opposite to the knob cover. 2 Rotating handle part 3-3, the inner surface of the mounting part 3-2 has two sections of arcuate surfaces, and the step 3-1 is formed at the junction of the above two sections of arcuate surfaces.

The utility model adds two locks 7, and when it is pushed normally, the handle 3 is locked by using the two locks 7, which avoids the accidental rotation and unlocking of the handle 3 due to misoperation, and ensures the safety of riding; When turning the knob 3, as long as the pressing part of the pressing column 7-1 is first pressed, the locking of the snap-in end of the secondary lock 7 to the knob 3 can be released, and at this time, the normal rotation of the knob 3 can pass through the traction lock 5. Move and drive the locking mechanism 4 to unlock, the overall structure is simple, the operation is convenient, and it is safe and reliable.

The above are only specific application examples of the utility model, and do not constitute any limitation to the protection scope of the utility model. In addition to the above-mentioned embodiments, the utility model can also have other implementations. All technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the utility model.

Claims (3)

1. the adjustment knob of a doll carriage, comprise the knob lid (2) in the middle part of the handle being arranged on push-rod assembly (1), the knob (3) be rotationally connected with knob lid (2), traction lock (5) is connected with between the lockout mechanism (4) of described knob (3) and push-rod assembly (1) both sides, it is characterized in that: the outer peripheral portion of described knob (3) in knob lid (2) is formed with a step (3-1), two road latch fittings (7) are connected with by bearing pin (6) in described knob lid (2), described two road latch fittings (7) are formed by post (7-1) in the side of bearing pin (6), two road latch fittings (7) in the opposite side of bearing pin (6) be the joint end (7-2) corresponding with the step of knob (3) (3-1), stage clip (8) is provided with between described joint end (7-2) and knob lid (2), described knob lid (2) has for by post (7-1) wear by post holes, described by post (7-1) outer end through by post holes and stretch out knob lid (2) formed press section, when not stressing by the press section of post (7-1), the joint end (7-2) of two road latch fittings (7) is arranged in step (3-1) place of knob (3), now knob (3) cannot rotate, unlock mechanism (4) locking time, press the press section of post (7-1), two road latch fittings (7) rotate around bearing pin (6) and make joint end (7-2) depart from the step (3-1) of knob (3), now stir knob (3), knob (3) namely drives lockout mechanism (4) to unlock by traction lock (5).

2. the adjustment knob of a kind of doll carriage according to claim 1, it is characterized in that: described knob lid (2) comprises the upper cover body (2-1) and lower cover (2-2) that mutually fasten, and upper cover body (2-1) and lower cover (2-2) are connected and fixed by locking piece.

3. the adjustment knob of a kind of doll carriage according to claim 1, it is characterized in that: described knob (3) comprises and to be arranged in knob lid (2) and with the installation portion (3-2) of knob lid (2) pin joint and extend protruding knob lid (2) by installation portion (3-2) and the Handheld Division (3-3) can rotated relative to knob lid (2), the medial surface of described installation portion (3-2) has two sections of arcwall faces, and described step (3-1) is formed at the joint of above-mentioned two sections of arcs 3.