CN207579647U - Safety seat headrest controlling mechanism - Google Patents

Abstract

The utility model provide it is a kind of it is simple in structure, can the singlehanded safety seat headrest controlling mechanism adjusted, be connected including back, headrest portion and with headrest portion and make the headrest adjustment portion of headrest portion lift adjustment；The plate that headrest portion includes resting the head on and headrest lower end extends downwardly；Headrest adjustment portion includes being arranged on the both sides at the back back side in the gear item of vertical setting of types, and with the gear tooth socket fit clamping set on gear item or the gear lever of disengaging, one end is connected with headrest portion, the other end lower headrest pull rod pulled on hand；Headrest adjustment portion is further included around the rotating member of rotation axis rotation being arranged on plate, rotating member connection gear lever；Rotating member is slided with the one end for pull rod of resting the head on to be connected, and rests the head on and sets spring reverse motion between pull rod and headrest portion.The utility model using finger hold headrest attacker it is upward, the palm of the hand pin headrest top can up and down adjustment headrest position；Reach suitable position, unclamp headrest attacker, you can locking headrest positions.

Description

Safety seat headrest controlling mechanism

Technical field

The utility model belongs to safety chair seats of car field, and in particular to a kind of safety seat headrest controlling mechanism.

Background technology

Children's ride-on automobile must have safety seat within 0 to 4 years old, and safety seat is fixed on car seat.Generally Recognized as safe seat Chair includes pedestal, leans against, leans against both wings, headrest, safety belt etc..When the children of all ages and classes are made on safety seat, head position Difference is put, a headrest that can make to lift activity adjustment, purpose can be all equipped at the top of most safety seat for baby of vehicle It is the head dependence of all age group height difference baby for convenience, so as to not only provide the comfort of baby head dependence, but also Effectively play the effect of protection baby's neck.The height of headrest regulative mode of each manufacturer's design is different, Hen Duoxu Both hands is wanted to adjust, it is troublesome in poeration.In addition, with the continuous expansion in infant articles market, consumer also highly desirable manufacturer More height of headrest regulating mechanisms with different structure and regulative mode can be released, to meet safety seat for baby of vehicle Use needs.

Utility model content

The purpose of this utility model is to provide a kind of simple in structure, the safety seat headrest adjusting machine that singlehanded can adjust Structure.

The purpose of this utility model is realized in the following manner：A kind of safety seat headrest controlling mechanism, including leaning against Portion, headrest portion and it is connected with headrest portion and makes the headrest adjustment portion of headrest portion lift adjustment；Headrest portion is included under headrest and headrest Hold the plate extended downwardly；Headrest adjustment portion includes being arranged on the both sides at the back back side in the gear item of vertical setting of types, with gear item The gear tooth socket fit clamping of upper setting or the gear lever of disengaging, one end is connected with headrest portion, the other end is pulled with lower on hand Headrest pull rod；Headrest adjustment portion is further included around the rotating member of rotation axis rotation being arranged on plate, rotating member connection shelves Position bar；Rotating member is slided with the one end for pull rod of resting the head on to be connected, and rests the head on and sets spring reverse motion between pull rod and headrest portion.

When gear lever is with gear tooth socket clamping, gear lever is located at pull rod shaft rear and top, and the rotation axis is located at pull rod The rear and top of axis, the gear lever are located at the top and front of rotation axis.

Spring reverse motion is the compressed spring being arranged between headrest pull rod and headrest portion；Rest the head on pull rod side along its length To elongated slot is set, protrusion is stretched out close to headrest portion corresponding to the position of elongated slot upper surface in elongated slot；One end setting of compressed spring On the lower face of elongated slot, the other end is arranged on the protrusion in headrest portion.

Pull rod rest the head on close to one end of headrest setting headrest attacker, headrest portion, which corresponds to headrest button hand position and installs, to be allowed to rest the head on Attacker's shifting chute that attacker moves up and down, headrest attacker top is less than headrest top.

Rotating steadying bar on plate is set, rotation axis is set on rotating steadying bar；Pass through pull rod between headrest pull rod and rotating member Axis is connected, the slot hole in vertical headrest rod length direction that setting coordinates with pull rod shaft on rest the head on pull rod or rotating member.

Pull rod slot is set on plate, and headrest pull rod is arranged in pull rod slot.

Two limiting slots are symmetrical arranged on gear lever, gear lever banking stop is set on limiting slot；Two gear lever banking stops Outside two gear items are set respectively；Two gear items are arranged on the back back side and the shelves set with back back side both sides Position contour shape is identical.

The gear tooth socket being equally spaced is set on gear item.

Above gear item, lower section there is be arranged on back to lean against limiting plate respectively.

The beneficial effects of the utility model are：The utility model is upward using finger pulling headrest attacker, and the palm of the hand pins head Rest the head on top can up and down adjustment headrest position；Reach suitable position, unclamp headrest attacker, you can locking headrest positions. One hand can be adjusted, simple in structure, rapid operation, and locking is reliable.

Description of the drawings

Fig. 1 is the utility model structure diagram（Lean against display right side）.Fig. 2 is that headrest portion and headrest controlling mechanism show It is intended to, Fig. 3 is headrest portion and headrest controlling mechanism explosive view.

Wherein, 1 is headrest portion, and 2 be back, and 3 be headrest adjustment portion, and 11 be rotating steadying bar, and 12 be headrest top, and 13 are Pull rod slot, 14 be headrest, and 15 be plate, and 21 be gear item, and 22 is lean against limiting plate, and 32 be compressed spring, and 33 be headrest pull rod, 34 be gear lever, and 35 be rotating member, and 36 be rotation axis, and 37 be pull rod shaft, and 210 be gear tooth socket, and 330 be headrest attacker, and 331 are Slot hole, 332 be elongated slot, and 340 be gear lever banking stop.

Specific embodiment

As shown in Figs. 1-3, a kind of safety seat headrest controlling mechanism, including back 2, headrest portion 1 and with headrest portion 1 Being connected makes the headrest adjustment portion 3 of 1 lift adjustment of headrest portion.Headrest portion 1 includes headrest 14 and what 14 lower ends of resting the head on extended downwardly inserts Plate 15.Headrest adjustment portion 3 includes being arranged on the both sides at 2 back side of back in the gear item 21 of vertical setting of types, with being set on gear item 21 Gear tooth socket 210 coordinate the gear lever 34 of clamping or disengaging, one end is connected with headrest portion 1, the other end with descending pulling on hand Headrest pull rod 33.Headrest adjustment portion 3 further includes the rotating member 35 rotated around the rotation axis 36 being arranged on plate 15, rotation Part 35 connects gear lever 34；Rotating member 35 is connected with headrest pull rod 33 one end by pull rod shaft 37, and rest the head on pull rod 33 or The slot hole 331 of vertical headrest 33 length direction of pull rod that setting coordinates with pull rod shaft 37 on rotating member 35.In the present embodiment, Slot hole 331 is set on headrest pull rod 33, because 36 position of rotation axis is fixed, rotating member 35 is rotated around rotation axis 36, pull rod of resting the head on 33 can only move up and down, it is impossible to be rotated around rotation axis 36, so setting slot hole 331, such pull rod shaft on headrest pull rod 33 37 rotation can be decomposed into along the up and down motion of pull rod shaft 37 and moving forward and backward along slot hole 331, and resultant motion is It turns an angle around rotation axis 36.Spring reverse motion is set between headrest pull rod 33 and headrest portion 1.By pulling up Pull rod 33 rest the head on gear lever 34 to be made to be detached from gear tooth socket 210；When unclamping headrest pull rod 33, headrest is made by spring return mechanism Pull rod 33 resets, so as to which gear lever 34 be made to be clamped on 210 the inside of gear tooth socket.

In the embodiment of the utility model, using safety seat front as front, the back side is rear, gear lever 34 and gear teeth During 340 clamping of slot, gear lever 34 is located at 37 rear of pull rod shaft and top, and rotation axis 36 is located at the rear and top of pull rod shaft 37, Gear lever 34 is located at the top and front of rotation axis 36.When headrest pull rod 33 moves up in this way, gear lever 34 is done upwards backward Arcuate movement can avoid the tooth of gear tooth socket 340, be smoothly detached from from gear tooth socket 340.

Spring reverse motion is the compressed spring 32 being arranged between headrest pull rod 33 and headrest portion 1.33 edge of headrest pull rod Its length direction sets elongated slot 332, stretches out protrusion close to headrest portion 1 corresponding to the position of 332 upper surface of elongated slot in elongated slot 332； One end of compressed spring 32 is arranged on the lower face of elongated slot 332, and the other end is arranged on the protrusion in headrest portion 1.

Pull rod 33 rest the head on close to one end of headrest 14 setting headrest attacker 330, headrest portion 1 corresponds to 330 position of headrest attacker Setting allows attacker's shifting chute that attacker 330 moves up and down of resting the head on.330 top of attacker rest the head on less than headrest top 12.Because this Up and down adjustment headrest is required for tensing headrest attacker 330 upwards in utility model, if headrest attacker 330 is higher than headrest top 12, then one-handed performance is very inconvenient.Rotating steadying bar 11 on plate 15 is set, rotation axis 36 is set on rotating steadying bar 11.Plate 15 On pull rod slot 13 can also be set, headrest pull rod 33, which is arranged in pull rod slot 13, can prevent 33 position of pull rod or so offset.

Two limiting slots are symmetrical arranged on gear lever 34, gear lever banking stop 340 is set on limiting slot.Two gear lever limits The outside of bit slice 340 sets two gear items 21 respectively.Two gear items 21 are arranged on 2 back side of back and are carried on the back with back 2 21 contour shape of gear item of face both sides setting is identical.Two gear items 21 at 2 back side of back block two gear lever limitings Piece 340 can be used for preventing gear lever 34 from moving left and right.The gear tooth socket 210 being equally spaced is set on gear item 21.Gear item 21 upper and lowers have be arranged on back 2 to lean against limiting plate 22.Limiting plate 22 is leaned against for limiting what gear lever 34 moved up and down Extreme position.

When it is implemented, need adjust headrest 14 position when, finger be put into headrest attacker 330 slot in, thumb or The palm of the hand is put into headrest top 12, pulls up headrest attacker 330 and arrives attacker's shifting chute topmost.At this point, compressed spring 32 is in Compressive state；Rotating member 35 turns an angle, and gear lever 34 moves the gear tooth socket disengaged on gear item 21 backward upwards 210, headrest portion 1 is in can freely up and down adjustment state.After adjusting headrest portion 1 to suitable position, headrest attacker is unclamped 220, compressed spring 32 retracts downwards headrest pull rod 33, rotating member 35 along backtracking certain angle, gear lever 34 to Under move forward to it is stuck with the gear tooth socket 210 on gear item 21, headrest attacker 330 return to attacker's shifting chute lower edge position It puts, headrest upper-lower position, which is adjusted, to be completed.

Claims (9)

1. a kind of safety seat headrest controlling mechanism, being connected including back, headrest portion and with headrest portion lifts headrest portion The headrest adjustment portion of adjusting；The plate that headrest portion includes resting the head on and headrest lower end extends downwardly；Headrest adjustment portion includes being arranged on The both sides at the back back side are in the gear item of vertical setting of types, with the gear tooth socket fit clamping that is set on the gear item or disengaging Gear lever, one end is connected with headrest portion, the other end lower headrest pull rod pulled on hand；It is characterized in that：The headrest is adjusted Portion is further included around the rotating member of rotation axis rotation being arranged on plate, rotating member connection gear lever；Rotating member is drawn with headrest One end of bar, which is slided, to be connected, and rests the head on and sets spring reverse motion between pull rod and headrest portion.

2. safety seat headrest controlling mechanism according to claim 1, it is characterised in that：The gear lever and gear tooth socket card When tight, the gear lever is located at pull rod shaft rear and top, and the rotation axis is located at the rear and top of pull rod shaft, the gear Bar is located at the top and front of rotation axis.

3. safety seat headrest controlling mechanism according to claim 1, it is characterised in that：The spring reverse motion is setting Compressed spring between headrest pull rod and headrest portion；The headrest pull rod sets elongated slot along its length, close to long in elongated slot Protrusion is stretched out in headrest portion corresponding to the position of slot upper surface；One end of compressed spring is arranged on the lower face of elongated slot, another End is arranged on the protrusion in headrest portion.

4. safety seat headrest controlling mechanism according to claim 1, it is characterised in that：The headrest pull rod is close to headrest One end setting headrest attacker, headrest portion, which corresponds to headrest button hand position and installs, allows attacker's shifting chute that hand moves up and down of resting the head on, head It rests the head at the top of attacker less than headrest top.

5. safety seat headrest controlling mechanism according to claim 1, it is characterised in that：Rotation axis is set on the plate Frame sets rotation axis on rotating steadying bar；It is described headrest pull rod and rotating member between be connected by pull rod shaft, rest the head on pull rod or turn The slot hole in vertical headrest rod length direction that setting coordinates with pull rod shaft on moving part.

6. safety seat headrest controlling mechanism according to claim 1, it is characterised in that：Pull rod slot is set on the plate, Headrest pull rod is arranged in pull rod slot.

7. safety seat headrest controlling mechanism according to claim 1, it is characterised in that：Two are symmetrical arranged on the gear lever A limiting slot sets gear lever banking stop on limiting slot；The outside of described two gear lever banking stops sets two gears respectively Item；Two gear items are arranged on the back back side and identical with the gear contour shape that back back side both sides are set.

8. according to any safety seat headrest controlling mechanisms of claim 1-7, it is characterised in that：It is set on gear item equidistant The gear tooth socket of distribution.

9. safety seat headrest controlling mechanism according to claim 8, it is characterised in that：Gear item top, lower section have respectively Be arranged on back leans against limiting plate.