CN220518061U

CN220518061U - Supporting leg telescopic mechanism of child safety seat

Info

Publication number: CN220518061U
Application number: CN202322121907.0U
Authority: CN
Inventors: 魏东东; 顾新宇; 程万里
Original assignee: Zhejiang Le You Bei Auto Supplies Co ltd
Current assignee: Zhejiang Le You Bei Auto Supplies Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-02-23
Anticipated expiration: 2033-08-08

Abstract

The utility model provides a supporting leg telescopic mechanism of a child safety seat. The child safety seat support leg telescoping mechanism includes: outer tube, interior pole and adjusting part, outer tube one end is connected with children's safety seat base, and the other end and the interior pole of outer tube are connected, and interior pole can stretch out and draw back in the outer tube, adjusting part includes panel, push away piece, setting element, fixing base, torsional spring and spring, the fixing base is fixed in the outer tube, and in its spout of arranging interior pole in, the spout of interior pole can follow the fixing base and slide, the fixing base internal fixation has the torsional spring, the fixing base bottom is equipped with the constant head tank, be equipped with the setting element on the constant head tank, push away in the fixing base on constant head tank right side, and be equipped with the spring between the two, the panel seals in the outer tube top. The supporting leg telescopic mechanism of the child safety seat has compact structure and good stability.

Description

Supporting leg telescopic mechanism of child safety seat

Technical Field

The utility model relates to a supporting leg telescopic mechanism of a child safety seat.

Background

After the child safety seat is fixed with the automobile seat, the front end of the base of the child safety seat generally extends out of the automobile seat and is in a suspended state. In order to fix the child safety seat more firmly and make the child safety seat safer to use, some existing child safety seats are provided with a supporting leg supported on an automobile bottom plate at the front end of a base, and the supporting leg is telescopic. The telescopic structure of the supporting leg of the traditional child safety seat generally adopts a single spring pin structure, the supporting leg can be telescopic only by pressing the spring pin into the adjusting hole of the supporting leg, the use is inconvenient, and the supporting strength is weak. The utility model provides a child safety seat supporting leg telescopic machanism at bulletin number CN217778441U, it includes the outer tube, inner tube and regulating seat subassembly, the outer tube lower extreme is fixed with regulating seat subassembly, outer tube both sides in the regulating seat subassembly respectively are equipped with a pinhole, the inner tube both sides respectively are equipped with a row of regulation hole, wherein regulating seat subassembly includes the casing, two buttons, two spacer pins and two springs, the casing comprises upper and lower two valve lock outside the outer tube lower extreme, the casing left and right sides respectively is equipped with the space that supplies the button subassembly to install, the downside of two buttons is equipped with the upset arm, upset arm tip is equipped with the U-shaped breach, be equipped with bar through-hole I on a U-shaped breach lateral wall, and be equipped with the spacer pin in the U-shaped breach, in the pinhole of spacer pin one end through bar through-hole I to the outer tube of upset arm, there are two following problems in this patent: 1. the adjusting seat is arranged outside the outer tube, so that the whole structure of the supporting leg is not compact, the appearance is influenced, and 2, buttons on two sides of the adjusting seat respectively control a limiting pin to fix the outer tube and the inner tube, when the positions of adjusting holes on two sides of the inner tube are slightly deviated, the two limiting pins cannot be ensured to be inserted into the adjusting holes of the inner tube at the same time, and the stability is poor.

Disclosure of Invention

In view of the defects of the existing child safety seat supporting leg telescopic mechanism, the technical problems to be solved by the utility model are as follows: the supporting leg telescopic mechanism of the child safety seat is compact in structure and good in stability.

In order to achieve the above object, according to one aspect of the present utility model, the present utility model is achieved by the following technical means: a child safety seat support leg telescoping mechanism comprising: the child safety seat comprises an outer tube, an inner rod and an adjusting component, wherein one end of the outer tube is connected with a child safety seat base, the other end of the outer tube is connected with the inner rod, the inner rod can stretch out and draw back in the outer tube, the top surface of one end of the outer tube connected with the inner rod is provided with a mounting opening, the inner rod is sunken downwards to form a chute, the bottom of the chute is provided with an adjusting groove, one end of the inner rod, which is not connected with the outer tube, is also provided with a supporting leg,

the adjusting component comprises a panel, a push-push piece, a positioning piece, a fixing seat, a torsion spring and a spring, wherein the fixing seat is fixed below an installation opening of the outer tube and is arranged in a chute of the inner rod, the chute of the inner rod can slide along the fixing seat, the torsion spring is fixed in the fixing seat, a positioning groove is formed in the bottom of the fixing seat, the positioning piece is arranged on the positioning groove, the push-push piece is arranged in the fixing seat on the right side of the positioning groove, the spring is arranged between the push-push piece and the fixing seat, and the panel is sealed above the installation opening of the outer tube.

Further, the outer tube be the hollow cuboid of both ends open-ended, the interior pole is cuboid dress aluminium alloy, the adjustment tank cuts through spout bottom.

Further, the fixing base is open-top's hollow cuboid, the fixing base right-hand member extends there is the fixed part, is equipped with the bolt hole on the fixed part, the fixing base left end is equipped with the shrouding that extends both sides and below around to hollow cuboid, is equipped with the through-hole with interior pole cross-section looks adaptation on the shrouding, be equipped with the level respectively on the inner wall of both sides around fixing base middle part right side and set up card strip I, the fixing base install in the outer tube of outer tube installing port below, interior pole passes in the through-hole of fixing base left end shrouding gets into the outer tube.

Further, the constant head tank is enclosed by four vertical plates, the constant head tank center is equipped with vertical ascending guide post, and guide post center is equipped with the bolt hole, and the bolt passes outer tube bolt hole outside the installing port and the bolt hole of fixing base and the bolt hole of guide post are fixed, and the guide post left and right sides is equipped with the inserted sheet through groove of cutting through fixing base bottom, be equipped with the breach on the constant head tank front and back both sides wall respectively, the constant head tank right side wall outside is equipped with spring fixed column I, is equipped with the torsional spring mounting groove outside the constant head tank left side wall.

Further, the setting element is enclosed by two vertical inserted sheets and the connection piece of connecting two vertical inserted sheets upper ends and is equipped with the guiding hole in the middle of the connection piece, and the both sides outwards extend respectively around the connection piece has the ear of dialling, the setting element establish in the constant head tank of fixing base, and the guiding hole cover of setting element is established on the guide post at constant head tank center, the torsional spring is installed in the torsional spring mounting groove of fixing base, and the one end of torsional spring supports in the setting element connection piece top, insert the adjustment tank of interior pole after two inserted sheets of setting element pass the inserted sheet logical groove of constant head tank bottom, two ear of dialling of setting element pass two breach of constant head tank and put outside the constant head tank.

Further, the extruding and pushing piece is a hollow cuboid with left side and bottom opening, the front side and the rear side of the extruding and pushing piece extend leftwards respectively to form triangular extruding and pushing arms, a spring fixing column II is arranged on the inner side of the right side wall of the extruding and pushing piece, the two extruding and pushing arms of the extruding and pushing piece are respectively inserted below the two poking lugs of the positioning piece, and the springs are fixed through the spring fixing column I on the positioning groove and the spring fixing column II on the extruding and pushing piece.

Further, the panel is a rectangle working of plastics, and its middle part is equipped with concave up protruding hand push groove, be equipped with horizontally card strip II on the lateral wall of both sides around the hand push groove respectively, the hand push groove of panel is put in the fixing base of installing port below, and the card strip II card in both sides wall outside around the hand push groove is in the two card strip I below of both sides wall inboard around the fixing base, makes the panel can slide along the outer tube and can not break away from the outer tube, the extrusion piece right-hand member in the fixing base supports on panel hand push groove left wall.

Compared with the prior art, the utility model has the advantages that: according to the child safety seat supporting leg telescopic mechanism, as the adjusting component is arranged in the outer tube, the panel of the adjusting component seals the mounting opening of the outer tube and forms the hand pushing groove into the outer tube, the supporting leg telescopic mechanism is compact in integral structure and attractive in appearance, and two inserting pieces are inserted into the two adjusting grooves of the inner rod to be fixed at the same time through one positioning piece, so that the child safety seat supporting leg telescopic mechanism is better in stability.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a schematic structural view of a supporting leg telescopic mechanism of a child safety seat according to the present utility model.

Fig. 2 is an exploded view of the conditioning assembly according to the present utility model.

Fig. 3 is a schematic view of a panel structure according to the present utility model.

Fig. 4 is an exploded view of the fixing seat according to the present utility model.

FIG. 5 is an exploded view of a push member according to the present utility model.

Fig. 6 is an exploded view of the positioning member according to the present utility model.

Reference numerals illustrate: 1. an adjustment assembly; 2. an inner rod; 3. an outer tube; 4. supporting feet; 5. a chute; 6. an adjustment tank; 7. a mounting port; 8. an outer tube bolt hole; 9. a panel; 10. a push member; 11. a fixing seat; 12. a positioning piece; 13. a torsion spring; 14. a sealing plate; 15. a hand pushing groove; 16. a spring; 17. a fixing part; 18. bolt holes; 19. clamping strips I; 20. a notch; 21. a positioning groove; 22. a torsion spring mounting groove; 23. a guide post; 24. a spring fixing column I; 25. a through hole; 26. clamping strips II; 27. inserting sheets; 28. a connecting sheet; 29. ear pulling; 30. a guide hole; 31. extruding the pushing arm; 32. a spring fixing column II; 33. the inserting piece is communicated with the groove.

Detailed Description

The utility model will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "bottom," "top," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

Referring to fig. 1, 2, 3, 4, 5 and 6, the supporting leg telescopic mechanism of the child safety seat according to the present embodiment includes: the outer tube 3, the inner rod 2 and the adjusting component 1, one end of the outer tube 3 is connected with the child safety seat base, the other end of the outer tube 3 is connected with the inner rod 2, the inner rod 2 can stretch out and draw back in the outer tube 3, the top surface of one end of the outer tube 3 connected with the inner rod 2 is provided with a mounting opening 7, the inner rod 2 is sunken downwards to form a chute 5, the bottom of the chute 5 is provided with an adjusting groove 6, one end of the inner rod 2 not connected with the outer tube 3 is also provided with a supporting leg 4,

the adjusting component 1 comprises a panel 9, a push-push piece 10, a positioning piece 12, a fixed seat 11, a torsion spring 13 and a spring 16, wherein the fixed seat 11 is fixed below the mounting opening 7 of the outer tube 3, is arranged in the sliding groove 5 of the inner rod 2, the sliding groove 5 of the inner rod 2 can slide along the fixed seat 11, the torsion spring 13 is fixed in the fixed seat 11, a positioning groove 21 is formed in the bottom of the fixed seat 11, the positioning piece 12 is arranged on the positioning groove 21, the push-push piece 10 is arranged in the fixed seat 11 on the right side of the positioning groove 21, the spring 16 is arranged between the push-push piece and the positioning groove, and the panel 9 is sealed above the mounting opening 7 of the outer tube 3.

The fixing base 11 is open-top hollow cuboid, fixing base 11 right-hand member extends there is fixed part 17, is equipped with bolt hole 18 on the fixed part 17, fixing base 11 left end is equipped with the shrouding 14 that extends both sides and below around to hollow cuboid, is equipped with the through-hole 25 with interior pole 2 cross-section looks adaptation on the shrouding 14, be equipped with the level on both sides inner wall respectively around fixing base 11 middle part right side and set up card strip I19, fixing base 11 install in outer tube 3 of outer tube 3 installing port 7 below, interior pole 2 passes in fixing base 11 left end shrouding 14's through-hole 25 gets into outer tube 3.

The constant head tank 21 is enclosed by four risers, constant head tank 21 center is equipped with vertical ascending guide post 23, and guide post 23 center is equipped with bolt hole 18, and the bolt passes outer tube bolt hole 8 outside the installing port 7 and is fixed with the bolt hole 18 of fixing base 11 and guide post 23 bolt hole 18, and guide post 23 left and right sides is equipped with the inserted sheet through groove 33 of cutting through fixing base 11 bottom, be equipped with breach 20 on the both sides wall around the constant head tank 21 respectively, the right side wall outside of constant head tank 21 is equipped with spring fixed column I24, and the left side wall of constant head tank 21 is equipped with torsional spring mounting groove 22 outward.

The constant head tank 21 is enclosed by four risers, constant head tank 21 center is equipped with vertical ascending guide post 23, and guide post 23 center is equipped with bolt hole 18, and guide post 23 left and right sides is equipped with cuts the inserted sheet through groove 33 of wearing fixing base 11 bottom, be equipped with breach 20 on the both sides wall around the constant head tank 21 respectively, the right side wall outside of constant head tank 21 is equipped with spring fixing column I24, and the left side wall of constant head tank 21 is equipped with torsional spring mounting groove 22 outward.

The locating piece 12 is a U-shaped integrated piece surrounded by two vertical inserting pieces 27 and a connecting piece 28 connected with the upper ends of the two vertical inserting pieces 27, a guide hole 30 is formed in the center of the connecting piece 28, two sides of the connecting piece 28 extend outwards respectively to form a poking lug 29, the locating piece 12 is arranged in a locating groove 21 of the fixing seat 11, the guide hole 30 of the locating piece 12 is sleeved on a guide post 23 in the center of the locating groove 21, the torsion spring 13 is arranged in a torsion spring mounting groove 22 of the fixing seat 11, one end of the torsion spring 13 abuts against the connecting piece 28 of the locating piece 12, the two inserting pieces 27 of the locating piece 12 penetrate through an inserting piece through groove 33 at the bottom of the locating groove 21 and then are inserted into an adjusting groove 6 of the inner rod 2, and the two poking lugs 29 of the locating piece 12 penetrate through two notches 20 of the locating groove 21 and are arranged outside the locating groove 21.

The extruding and pushing piece 10 is a hollow cuboid with left side and bottom opening, the front side and the rear side of the extruding and pushing piece 10 extend leftwards respectively to form triangular extruding and pushing arms 31, spring fixing columns II 32 are arranged on the inner side of the right side wall of the extruding and pushing piece 10, the two extruding and pushing arms 31 of the extruding and pushing piece 10 are respectively inserted below the two poking lugs 29 of the positioning piece 12, and the springs 16 are fixed through the spring fixing columns I24 on the positioning groove 21 and the spring fixing columns II 32 on the extruding and pushing piece 10.

The panel 9 is a rectangular plastic part, the middle part of the panel 9 is provided with a push groove 15 which is concave and convex upwards, the outer side walls of the front side and the rear side of the push groove 15 are respectively provided with a horizontal clamping strip II 26, the push groove 15 of the panel 9 is arranged in the fixed seat 11 below the mounting opening 7, the clamping strips II 26 on the outer sides of the front side wall and the rear side wall of the push groove 15 are clamped below the two clamping strips I19 on the inner sides of the front side wall and the rear side wall of the fixed seat 11, the panel 9 can slide along the outer tube 3 without separating from the outer tube 3, and the right end of the push part 10 in the fixed seat 11 is propped against the left side wall of the push groove 15 of the panel 9.

When the child safety seat supporting leg telescopic mechanism of the embodiment is used, the two inserting pieces 27 of the positioning piece 12 are inserted into the two adjusting grooves 6 of the inner rod 2 after passing through the two inserting piece through grooves 33 of the positioning groove 21, so that the inner rod 2 and the outer tube 3 are fixed, if the supporting leg height is required to be adjusted, the hand pushing groove 15 of the panel 9 is manually inserted, the panel 9 is pushed to slide towards the left end of the outer tube 3, the hand pushing groove 15 of the panel 9 pushes the push piece 10 to slide leftwards, the push piece 10 compresses the spring 16, the two pushing arms 31 push the two pulling lugs 29 of the positioning piece 12, the two pulling lugs 29 of the positioning piece 12 slide upwards along the inclined surfaces of the pushing arms 31, the positioning piece 12 slides upwards along the guide posts 23 under the guide of the guide posts 23, the two inserting pieces 27 of the positioning piece 12 are separated from the adjusting grooves 6 of the inner rod 2, the inner rod 2 can freely move in the adjusting positions in the outer tube 3, after the supporting leg height is adjusted properly, the panel 9 is pushed by hands, the push piece 10 is pushed to reset under the action of the spring 16, and the positioning piece 12 is pushed to slide leftwards under the action of the spring 16, and the positioning piece 12 is pushed to slide along the guide posts 23, and the two inserting pieces 27 are correspondingly adjusted in the adjusting grooves 6 of the inner rod 2.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A child safety seat support leg telescoping mechanism comprising: outer tube, interior pole and adjusting part, outer tube one end is connected with children's safety seat base, and the other end and the interior pole of outer tube are connected, and interior pole can stretch out and draw back in the outer tube, the outer tube is equipped with the installing port with the one end top surface that interior pole is connected, interior pole undercut forms the spout, the spout bottom is equipped with the adjustment tank, interior pole still is equipped with the supporting legs with the one end of outer tube coupling, its characterized in that: the adjusting component comprises a panel, a push-push piece, a positioning piece, a fixing seat, a torsion spring and a spring, wherein the fixing seat is fixed below an installation opening of the outer tube and is arranged in a chute of the inner rod, the chute of the inner rod can slide along the fixing seat, the torsion spring is fixed in the fixing seat, a positioning groove is formed in the bottom of the fixing seat, the positioning piece is arranged on the positioning groove, the push-push piece is arranged in the fixing seat on the right side of the positioning groove, the spring is arranged between the push-push piece and the fixing seat, and the panel is sealed above the installation opening of the outer tube.

2. A child safety seat support leg telescoping mechanism as set forth in claim 1, wherein: the outer tube be both ends open-ended hollow cuboid, the interior pole is cuboid dress aluminium alloy, the adjustment tank cuts through spout bottom.

3. A child safety seat support leg telescoping mechanism as set forth in claim 1, wherein: the fixing base is open-top hollow cuboid, the fixing base right-hand member extends there is the fixed part, is equipped with the bolt hole on the fixed part, the fixing base left end is equipped with the shrouding that extends both sides and below around hollow cuboid, is equipped with the through-hole with interior pole cross-section looks adaptation on the shrouding, be equipped with the level respectively on the inner wall of both sides around fixing base middle part right side and set up card strip I, the fixing base install in the outer tube of outer tube installing port below, interior pole passes in the through-hole of fixing base left end shrouding gets into the outer tube.

4. A child safety seat support leg extension and retraction mechanism according to claim 3 wherein: the constant head tank is enclosed by four vertical plates, the constant head tank center is equipped with vertical ascending guide post, and guide post center is equipped with the bolt hole, and the bolt passes outer tube bolt hole outside the installing port and the bolt hole of fixing base and the bolt hole of guide post are fixed, and the guide post left and right sides is equipped with the inserted sheet logical groove of cutting through fixing base bottom, be equipped with the breach respectively on the constant head tank front and back both sides wall, the constant head tank right side wall outside is equipped with spring fixing post I, is equipped with the torsional spring mounting groove outside the constant head tank left side wall.

5. The child safety seat support leg telescoping mechanism according to any one of claims 1-4, wherein: the locating piece is by two vertical inserted sheets and the U-shaped integrated piece that connects the connection piece of two vertical inserted sheets upper ends to enclose, and the connection piece center is equipped with the guiding hole, and outside extension has the ear of dialling respectively around the connection piece, the torsional spring is installed in the torsional spring mounting groove of fixing base, and the one end of torsional spring supports in the locating piece connection piece top, the locating piece establish in the constant head tank of fixing base, and the guiding hole cover of locating piece establish on the guide post at the constant head tank center, insert the adjustment tank of interior pole after two inserted sheets of locating piece pass the inserted sheet logical groove of constant head tank bottom, two of locating piece dial the ear and put outside the constant head tank through two breach of constant head tank.

6. A child safety seat support leg telescoping mechanism as set forth in claim 5, wherein: the extruding and pushing piece is a hollow cuboid with left side and bottom opening, the front side and the rear side of the extruding and pushing piece extend leftwards respectively to form triangular extruding and pushing arms, a spring fixing column II is arranged on the inner side of the right side wall of the extruding and pushing piece, the two extruding and pushing arms of the extruding and pushing piece are respectively inserted below the two poking lugs of the positioning piece, and the springs are fixed through the spring fixing column I on the positioning groove and the spring fixing column II on the extruding and pushing piece.

7. A child safety seat support leg telescoping mechanism as set forth in claim 5, wherein: the panel is a rectangle working of plastics, and its middle part is equipped with concave up protruding hand push groove, be equipped with horizontally card strip II on the lateral wall of both sides around the hand push groove respectively, the hand push groove of panel is put in the fixing base of installing port below, and the card strip II card in the both sides wall outside around the hand push groove is in the both sides wall inboard two card strip I below around the fixing base, makes the panel can slide along the outer tube and can not break away from the outer tube, the push rod right-hand member in the fixing base supports on panel hand push groove left wall.