CN218198466U - Awning height adjusting device of baby stroller - Google Patents

Abstract

The utility model relates to a sunshade height adjusting device of a baby stroller, which comprises a backrest main body, a locking mechanism and a sunshade head component, and is characterized in that the locking mechanism comprises a base, a driving component arranged in the middle of the base, and moving parts which are respectively arranged on two sides of the driving component, supported by the base and driven by the driving component to form reciprocating movement; the end part of the moving part can relatively move under the driving action of the driving component to be exposed out of the base to form a convex part, or can relatively move to be retracted into the base to form a concave part; and a limiting part is arranged at the connecting part of the backrest main body and the locking mechanism and corresponds to the convex part or the concave part. The utility model discloses a locking device drives the moving member through the trigger part at middle part and removes to form the block location with spacing portion on the back, single-hand operation can be realized in whole altitude mixture control's operation, and simple one or two steps can be adjusted and target in place convenient and fast.

Description

Awning height adjusting device of baby stroller

Technical Field

The utility model belongs to the baby's shallow field, concretely relates to awning height adjusting device of baby's shallow.

Background

The baby stroller is mainly composed of a frame, a backrest, wheels, a sunshade and other mechanisms. The awning has the effects of shading sun and preventing sunshine. The baby stroller has a long service life span, can be used from the baby period to the toddler period, and the height of the awning needs to be adjusted timely along with the increase of the height of the baby, so that a comfortable sitting and lying environment is provided.

Disclosure of Invention

The utility model discloses mainly to the problem of the adjustment of baby's shallow sunshade canopy height, invented a baby's shallow sunshade canopy height control device, its locking device drives the moving member through the trigger piece in the middle part and moves, thereby form the block location with spacing portion on the back, the operation of whole height control can realize one-hand operation, simple one or two steps can be adjusted to target in place, convenient and fast; the awning is directly connected with a locking mechanism with an adjusting function, so that the stability is better.

The invention aims to be realized by the following technical scheme: the device for adjusting the height of the awning of the baby stroller comprises a backrest main body of the baby stroller, a locking mechanism which is connected with the backrest main body and used for adjusting the height of the awning, and an awning head assembly connected with the locking mechanism.

When external force acts on the driving component, the two moving parts are driven to synchronously extend outwards or contract inwards to synchronously unlock the backrest main body so as to carry out lifting movement; when the external force disappears, the synchronous locking and positioning are achieved, and the whole adjusting operation is finished by one hand, so that the device is quick and convenient.

The reciprocating direction of the moving part can be horizontal and inclined relative to the driving component, and meanwhile, the orientation of the limiting part is correspondingly arranged to be horizontal or inclined.

The end part of the moving part can move relatively under the driving action of the driving component to be exposed out of the base to form a convex part, or can move relatively to be retracted into the base to form a concave part.

And a limiting part is arranged at the connecting part of the backrest main body and the locking mechanism and corresponds to the convex part or the concave part.

The limiting part matched with the convex part can adopt an inward concave clamping groove, and the convex part is clamped and positioned with the clamping groove; the limiting part matched with the concave part can adopt an outward convex elastic bolt or an elastic plug-in unit with other shapes.

Preferably, the driving component in the locking mechanism comprises a triggering part positioned in the center and a transmission part connected with or abutted against the triggering part; the transmission part is connected with or abutted against the moving part. The trigger piece can adopt modes such as rotation triggering, grabbing triggering, pressing triggering, outer pulling triggering, stirring triggering, and the trigger piece drives the driving medium action, and the driving medium further drives the moving member and removes.

Preferably, the trigger piece is a knob which is movably connected to the base through a shaft, and a gear is arranged at the inner end of the knob; the transmission part is provided with two sections of racks respectively meshed with the gear, and each rack is connected with a moving part; an elastic reset piece is arranged between the two moving pieces. When the knob is turned, the gear rotates along with the knob, and the two sections of racks move towards the direction away from each other or towards the direction close to each other synchronously, so that the two moving parts are driven to expand outwards towards the direction away from each other or contract inwards towards the direction close to each other synchronously; if the two moving parts contract synchronously, the elastic reset part between the two moving parts adopts an elastic pressure spring which can push the two moving parts outwards; if the two moving parts are synchronously unfolded, the elastic reset part between the two moving parts adopts an elastic tension spring which can pull the two moving parts inwards. The whole height adjusting operation steps are as follows: turning the knob, moving the locking mechanism and the spray head assembly to a proper height, and loosening the knob.

Preferably, the trigger piece is a knob, the knob is movably connected to the base through a shaft, and eccentric cams are arranged on two sides of the knob; the inner end of the moving piece is provided with an arc concave surface matched with the curved surface of the eccentric cam, and the arc concave surface is the transmission piece; meanwhile, each moving member is sleeved with a section of reset spring, one end of each reset spring is abutted against the driving member, and the other end of each reset spring is abutted against the base. The knob is rotated, the eccentric cam rotates along with the knob, the conflict action between the outer convex curved surface of the eccentric cam and the arc concave surface is gradually increased, the two moving parts are pushed to be synchronously expanded towards the directions far away from each other, the return spring of the ring sleeve on the moving parts adopts an elastic pressure spring, and after the conflict action between the eccentric cam and the arc concave surface is eliminated, the elastic pressure spring can push the two moving parts inwards. The whole height adjusting operation steps are as follows: turning the knob, moving the locking mechanism and the shower head assembly to a proper height, and reversely turning the knob to an initial position.

Preferably, the inner ends of the two moving parts are respectively fixed with a transmission part, the surfaces of the two transmission parts, which are deviated from each other, are set as inclined second guide surfaces, and an elastic reset part is arranged between the two transmission parts; meanwhile, the trigger part is a pressing sliding sleeve, two inclined first guide surfaces which are symmetrically arranged are arranged on the inner side of the pressing sliding sleeve, and the two symmetrical first guide surfaces of the pressing sliding sleeve can be correspondingly attached to the second guide surfaces on the two transmission parts one by one and can slide relatively; when pressing the sliding sleeve atress and sliding promptly, can drive two driving medium simultaneously and remove towards the direction that is close to each other. After the pressing sliding sleeve is stressed, the contact area between the first guide surface on the inner side and the second guide surface of the transmission part is gradually increased, the interference effect is enhanced, the two transmission parts are gradually close to each other, the two moving parts are pulled inwards, and the elastic resetting part between the two transmission parts is an elastic pressure spring; when the acting force on the pressing sliding sleeve is eliminated, the first guide surface and the second guide surface are gradually separated from each other, and the two moving parts are pushed outwards by the elastic pressure spring. The whole height adjusting operation steps are as follows: the pressing sliding sleeve is extruded, the locking mechanism and the shower nozzle assembly are moved to a proper height, and the pressing sliding sleeve is loosened.

Preferably, the trigger piece is a wrench, the connecting end of the wrench is hinged to the base through a shaft, and the middle of the wrench is provided with a section of winding shaft; the transmission part is provided with two steel wire ropes wound on the winding shaft, the movable end of each steel wire rope is connected with the inner ends of the moving parts, and an elastic reset part is arranged between the two moving parts. The wrench is pulled outwards, the two moving parts are driven by the steel wire rope to retract inwards, and the elastic resetting part between the two moving parts adopts an elastic pressure spring; after the spanner is reset, the two moving parts are pushed outwards by the elastic pressure spring. The whole height adjusting operation steps are as follows: the wrench is pulled outward, the locking mechanism and the shower head assembly are moved to the proper height, and the wrench is loosened.

Preferably, the two ends of the base of the locking mechanism are connected with the edges of the two sides of the backrest main body in a sliding manner through the inwards concave sliding grooves and the sliding rails matched with the sliding grooves, that is, the whole locking mechanism can slide up and down along the edges of the backrest main body. The two side edges of the backrest main body are provided with support rods, the end faces of the two ends of the base are arranged into sliding groove faces matched with the outlines of the support rods, the base can be clamped on the support rods and can slide up and down along the support rods, and then the locking mechanism can be positioned at a proper height of the support rods by matching with the locking function of the locking mechanism.

Preferably, the limiting part is provided with at least two or more limiting parts with different heights, and the limiting parts are arranged at intervals along the height direction of the backrest. The limiting parts are positioned on the edges of two sides of the backrest main body, and the structure of the limiting part is determined according to the positioning mode of the locking mechanism: the limiting part matched with the convex part can adopt an inwards concave clamping groove, and the limiting part matched with the concave part can adopt an outwards convex elastic plug-in component such as an elastic plug pin.

Preferably, the end parts, close to two sides of the backrest main body, of the locking mechanism are provided with first connecting pieces used for connecting the shower head assemblies, and meanwhile, the two lower ends of the shower head assemblies are provided with second connecting pieces capable of being matched with the first connecting pieces to form detachable connection.

Preferably, the first connecting piece and the second connecting piece are in concave-convex clamping connection, or are sleeved inside and outside and combined with a bolt/elastic buckle, or are in bolt and nut fastening connection, or are hooped or fastened by a reversible buckle belt.

Preferably, the first connecting piece is a connecting seat with a T-shaped section, and the second connecting piece is a concave clamping groove with a T-shaped section matched with the first connecting piece, so that detachable connection is formed.

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

the locking device of the utility model drives the moving part to move through the trigger part in the middle part, thereby forming the clamping and positioning with the limiting part on the backrest, realizing the one-hand operation of the whole height adjustment, being capable of being adjusted in place in one or two simple steps, being convenient and fast; the awning is directly connected with a locking mechanism with an adjusting function, so that the stability is better.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the locking mechanism of the present invention;

fig. 3 is a schematic view of the backrest main body of the present invention;

FIG. 4 is a schematic view of an embodiment of the present invention using a pressing sliding sleeve;

FIG. 5 is a schematic view of an embodiment of the present invention using a knob in combination with a gear;

fig. 6 is a schematic structural view (unlocked state) of the knob and gear of the present invention;

fig. 7 is a schematic structural view (locked state) of the knob combined with the gear according to the present invention;

FIG. 8 is a schematic view of an embodiment of the present invention using a knob in combination with an eccentric cam (locked state);

fig. 9 is a schematic view of an embodiment of the present invention using a knob in combination with an eccentric cam (unlocked state);

FIG. 10 is a schematic view of an embodiment of the present invention using a wrench;

fig. 11 is a schematic view of the structure of the wrench driving of the present invention;

fig. 12 is a schematic structural view (locked state) of the limiting member of the present invention using an elastic pin;

fig. 13 is a schematic structural diagram (unlocking state) of the elastic pin used as the stopper of the present invention.

The labels in the figure are: 1. a backrest body; 11. a chute; 12. a slide rail; 13. a limiting member; 2. a locking mechanism; 21. a base; 22. a drive assembly; 23. a moving member; 221. a trigger; 222. a transmission member; 3. a showerhead assembly; 31. a first connecting member; 32. a second connecting member; 4. an elastic reset member; 5. a knob; 51. a gear; 52. a rack; 53. an eccentric cam; 54. an arc-shaped concave surface; 6. pressing the sliding sleeve; 61. a first guide surface; 62. a second guide surface; 7. a wrench; 71. a spool; 72. a steel cord.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which:

example 1:

as shown in fig. 1-4, a height adjustment device for a sunshade of a stroller is mainly composed of a backrest body 1, a locking mechanism 2 and a head assembly 3. Wherein, the locking mechanism 2 is connected to the backrest main body 1, and the shower head component 3 is detachably connected to the locking mechanism 2.

The locking mechanism 2 mainly comprises a base 21, a driving component 22 and a moving part 23; the base 21 is roughly in the form of a strip plate and spans the backrest body 1, the driving assembly 22 is located in the middle of the base 21, the moving member 23 is a narrower strip plate, the two moving members 23 are respectively symmetrically located on two sides of the driving assembly 22, the moving members 23 are supported by the base 21 and can relatively slide along the axial direction of the base 21, and the moving members 23 can reciprocate under the driving action of the driving assembly 22. The end of the moving member 23 can relatively translate under the driving action of the driving assembly 22 and is exposed to the base 21 to form a protruding part.

The two ends of the base 21 of the locking mechanism 2 are connected with the two side edges of the backrest main body 1, specifically, the two ends of the base 21 are provided with the inward-concave sliding grooves 11, and the two side edges of the backrest main body are provided with the sliding rails 12 matched with the two side edges, so as to form a sliding connection, that is, the whole locking mechanism 21 can slide up and down along the edges of the backrest main body 21.

Furthermore, an inwards concave limiting part is arranged at the connecting part of the backrest main body 1 and the locking mechanism 2 and corresponds to the convex part; each group of limiting parts is provided with 3 or more than 3 groove-shaped limiting parts 13, and the limiting parts 13 are arranged at intervals along the height direction of the backrest.

The two ends of the base 21 of the locking mechanism 2, and the upper part of the sliding chute 11 has a first connecting piece 31 for connecting the shower head assembly 3, and the two lower ends of the shower head assembly 3 have second connecting pieces 32 capable of being matched with the two first connecting pieces 31; specifically, the first connecting member 31 is a connecting seat with a T-shaped cross section, the second connecting member 32 is a concave slot with a T-shaped cross section, and the two are engaged with each other to form a detachable connection.

In addition, other connection modes can be adopted between base 21 and shower head component 3 of locking mechanism 2, for example, first connecting piece 31 and second connecting piece 32 are set into a complete set of tubular shape, and can be detachably connected by internal and external sleeve joint and combining with a bolt or an elastic buckle; or the first connecting piece 31 and the second connecting piece 32 are provided with connecting through holes and are fastened and connected through bolts and nuts; the first connecting piece 31 or the second connecting piece 32 is provided with a reversible hoop, and the hoop is used for hooping the two; and the first connecting piece 31 or the second connecting piece 32 is provided with a reversible buckle belt which fastens the first connecting piece and the second connecting piece.

The driving assembly 22 of the locking mechanism 2 mainly comprises a triggering member 221 located at the center, and a transmission member 222 connected with or abutted against the triggering member 221; the transmission member 222 is connected to or abutted against the moving member 23.

Specifically, in this embodiment, the inner ends of the two moving members 23 respectively fix a transmission member 222, the surfaces of the two transmission members 222 departing from each other are set as the inclined second guide surfaces 62, an elastic restoring member 4 is connected between the two transmission members 222, and the elastic restoring member 4 is a section of elastic compression spring; the trigger 221 is a pressing sliding sleeve 6, the pressing sliding sleeve 6 is supported by the base 21 and can slide relative to the base 21, the sliding direction is perpendicular to the axial direction of the base 21, the inner side of the pressing sliding sleeve 6 is provided with two inclined first guide surfaces 61 which are symmetrically arranged, the two first guide surfaces 61 can be correspondingly attached to the two second guide surfaces 62 one by one and can slide relative to each other, namely when the pressing sliding sleeve 6 slides under stress, the two transmission members 222 can be simultaneously driven to move towards the direction close to each other.

In this embodiment, after the pressing sliding sleeve 61 is stressed, the contact area between the first guide surface 61 on the inner side and the second guide surface 62 of the transmission member 222 is gradually increased, the interference effect is enhanced, the two transmission members 222 gradually approach each other, the two moving members 23 are pulled inwards, and the elastic compression spring between the two transmission members 23 is compressed; when the acting force on the pressing sliding sleeve 6 is eliminated, the first guide surface 61 and the second guide surface 62 are gradually separated from each other, and the two moving members 23 are pushed outwards by the elastic compression spring. The whole height adjusting operation steps are as follows: the pressing sliding sleeve 6 is pressed, the locking mechanism 2 and the shower nozzle assembly 3 are moved to a proper height, and the pressing sliding sleeve 6 is loosened.

Example 2:

as shown in fig. 5, 6 and 7, compared with embodiment 1, the present embodiment is different in that the trigger 221 is a knob 5, the knob 5 is movably connected to the base 21 through a shaft, and the inner end of the knob 5 is connected to the gear 51; the transmission piece 222 adopts two racks 52, the racks 52 are respectively meshed with the gear 51, and each rack 52 is fixedly connected with a moving piece 23; when the knob 5 is turned, the gear 51 rotates along with the knob, and the two sections of racks 52 move in a direction away from each other or in a direction approaching each other synchronously, thereby driving the two moving members 23 to expand outwards in a direction away from each other or contract inwards in a direction approaching each other synchronously.

In this embodiment, the inward-contracting unlocking is adopted, and the elastic restoring member 4 between the two moving members 23 is an elastic pressure spring. The whole height adjusting operation steps are as follows: turning the knob, moving the locking mechanism and the spray head assembly to a proper height, and loosening the knob.

Example 3:

as shown in fig. 8 and 9, compared with embodiment 1, the present embodiment is different in that the trigger 221 is a knob 5, the knob 5 is movably connected to the base 21 through a shaft, and two sides of the knob 5 are respectively provided with an eccentric cam 53; the inner end of the moving member 23 has an arc concave 54 matching with the curved surface of the eccentric cam 53, and the arc concave 54 can be abutted against the eccentric cam 53; meanwhile, each moving member 23 is annularly sleeved with a section of return spring, one end of the return spring abuts against the transmission member 222, and the other end abuts against the base 21.

In this embodiment, when the knob 5 is rotated, the eccentric cam 53 rotates along with the knob, the interference between the convex curved surface of the eccentric cam 53 and the arc-shaped concave surface 54 is gradually increased to push the two moving members 23 to be synchronously spread toward the direction away from each other, and the return spring sleeved on the moving members 23 is an elastic compression spring, and after the interference between the eccentric cam 53 and the arc-shaped concave surface 54 is eliminated, the elastic compression spring can push the two moving members 23 inwards. The whole height adjusting operation steps are as follows: turning the knob 5, moving the locking mechanism 2 and the showerhead module 3 to a proper height, and reversely rotating the knob 5 to the initial position.

Example 4:

as shown in fig. 10 and 11, compared with embodiment 1, the difference of this embodiment is that the triggering member 221 is a wrench 7, the connecting end of the wrench 7 is hinged to the base 21 through a shaft, and a section of winding shaft is disposed in the middle of the wrench 7; the transmission member 222 is provided as two steel wire ropes 72 wound around the spool, a movable end of each steel wire rope 72 is correspondingly connected to an inner end of one of the moving members 23, an elastic reset member 4 is arranged between the two moving members 23, and the elastic reset member 4 is an elastic compression spring.

In this embodiment, when the wrench 7 is pulled outward, the two moving members 23 are driven by the steel wire 72 to retract inward; after the wrench 7 is reset, the two moving pieces 23 are pushed outwards by the elastic compression spring. The whole height adjusting operation steps are as follows: wrench 7 is pulled outward, locking mechanism 2 and showerhead assembly 3 are moved to the appropriate height, and wrench 7 is loosened.

Example 5:

as shown in fig. 12 and 13, compared with embodiment 2, the present embodiment is different in that the end of the moving member 23 is retracted by the action of the gear 51, the rack 52 and the return spring, and forms a recess relative to the base 21; meanwhile, the limiting piece 13 adopts a convex elastic pin, and is in a locking state at the moment.

During unlocking, the knob 5 is rotated to drive the moving member 23 to move outwards, the elastic pin inserted into the base 2 is pushed outwards, the locking mechanism 2 moves up and down to a proper position, then the knob 5 is loosened, or the knob 5 is rotated reversely, the moving member 23 retracts inwards again, and the elastic pin is inserted into the base 21 again to form locking.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (11)

1. A sunshade height adjusting device of a baby stroller comprises a backrest main body (1), a locking mechanism (2) connected with the backrest main body and used for adjusting the sunshade height, and a sunshade head assembly (3) connected with the locking mechanism, and is characterized in that the locking mechanism comprises a base (21), a driving assembly (22) arranged in the middle of the base, and moving members (23) which are respectively arranged on two sides of the driving assembly, supported by the base and driven by the driving assembly to form reciprocating movement;

the end part of the moving part can relatively move under the driving action of the driving component to be exposed out of the base to form a convex part, or can relatively move to be retracted into the base to form a concave part;

and a limiting part is arranged at the connecting part of the backrest main body and the locking mechanism and corresponds to the convex part or the concave part.

2. Awning height adjustment device for baby stroller according to claim 1, wherein the driving assembly of the locking mechanism comprises a centrally located triggering member (221), a transmission member (222) connected to or interfering with the triggering member; the transmission part is connected with or abutted against the moving part.

3. Awning height adjustment device for baby stroller according to claim 2, wherein the trigger is provided as a rotary knob (5) which is movably connected to the base by a shaft, the inner end of the rotary knob being provided with a gear (51); the transmission part is provided with two sections of racks (52) which are respectively meshed with the gears, and each rack is connected with a moving part; an elastic reset piece (4) is arranged between the two moving pieces.

4. Awning height adjustment device for baby stroller according to claim 2, wherein the trigger is provided as a rotary knob (5) which is movably connected to the base by a shaft, and eccentric cams (53) are provided on both sides of the rotary knob; the inner end of the moving piece is provided with an arc concave surface (54) matched with the curved surface of the eccentric cam, and the arc concave surface is the transmission piece; meanwhile, each moving member is sleeved with a section of reset spring, one end of each reset spring is abutted against the driving member, and the other end of each reset spring is abutted against the base.

5. Awning height adjustment device for baby stroller according to claim 2, wherein a transmission member is fixed to the inner end of each of the two moving members, the surfaces of the two transmission members facing away from each other are provided as inclined second guide surfaces (62), and an elastic return member (4) is provided between the two transmission members; meanwhile, the trigger part is a pressing sliding sleeve (6), two symmetrical inclined first guide surfaces (61) are arranged on the inner side of the pressing sliding sleeve, and the two symmetrical first guide surfaces of the pressing sliding sleeve can be correspondingly attached to the second guide surfaces on the two transmission parts one by one and can slide relatively; when pressing the sliding sleeve atress and sliding promptly, can drive two driving medium simultaneously and remove towards the direction that is close to each other.

6. The awning height adjusting device of claim 2, wherein the triggering member is provided as a wrench (7), the connecting end of the wrench is hinged to the base through a shaft, and a section of winding shaft (71) is provided in the middle of the wrench; the transmission part is arranged into two sections of steel wire ropes (72) which are wound on the winding shaft, the movable ends of the steel wire ropes are connected with the inner ends of the moving parts, and an elastic reset part (4) is arranged between the two moving parts.

7. The awning height adjusting device for stroller according to claim 1, wherein the locking mechanism is slidably connected between the two ends of the base and the two side edges of the backrest main body through an inward-concave sliding groove (11) and a sliding rail (12) matching with the sliding groove, i.e. the locking mechanism is capable of sliding up and down along the edges of the backrest main body as a whole.

8. The awning height adjusting device for a stroller according to claim 1, wherein the stopper portion is provided with at least two or more stoppers (13) of different heights, the stoppers being spaced apart in the height direction of the backrest.

9. The awning height adjusting device for baby stroller according to claim 1, wherein the locking mechanism is provided at its end portion adjacent to both sides of the backrest body with a first connecting member (31) for connecting the head assembly, and the head assembly is provided at its both lower ends with a second connecting member (32) capable of being detachably connected to the first connecting member.

10. The canopy height adjustment mechanism of a stroller according to claim 9, wherein the first and second connection members are engaged with each other by a male and female snap connection, or are engaged with each other by a pin/elastic buckle, or are fastened by a bolt and a nut, or are fastened by a reversible hoop, or a reversible buckle.

11. The device of claim 9, wherein the first connector is configured as a T-shaped connector and the second connector is configured as a T-shaped female slot, thereby forming a detachable connection.

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