CN104044488A - Adjusting and positioning device - Google Patents

Abstract

The invention discloses an adjusting and positioning device, which is suitable for positioning a front protective device and adjusting the size of a carrying space between the front protective device and a carrying base device, and comprises a fixed seat, a movable seat and an adjusting and positioning mechanism, wherein the fixed seat is fixedly arranged on the carrying base device, the movable seat is arranged on the fixed seat in a sliding manner along the front-back direction of the carrying base device and is fixedly connected with the front protective device, the adjusting and positioning mechanism comprises a plurality of adjusting assemblies and positioning assemblies, the plurality of adjusting assemblies are arranged on the movable seat side by side along the sliding direction of the movable seat, and the positioning assemblies are movably arranged on the fixed seat; the adjusting and positioning mechanism can adjust the relative position of the front protection device and the carrying base device so as to change the size of the carrying space.

Description

Adjust the positioning device

technical field

The invention relates to the technical field of child safety seats, in particular to an adjustment and positioning device for adjusting the position of a front protection device.

Background technique

With the continuous development of society, more and more families have their own cars, and children have more and more opportunities to travel by car with their parents. In the event of a traffic accident, because children's self-protection awareness and self-protection ability are weak, children in cars often suffer greater injuries than adults in accidents. In response to this situation, various child safety seats have appeared on the market. These safety seats can be fixed to ordinary car seats for use, and these safety seats are generally equipped with safety belts and other protective devices to ensure that children are safe in the event of an accident. When the child is in the car, the child will not be thrown off the safety seat, which greatly improves the safety of the child in the car.

The existing child safety seat protection device is generally a safety belt that is worn on the back of the safety seat, and the child is fixed on the safety seat after a certain amount of winding; these safety belts can effectively prevent the child from getting out of the safety seat. However, since the safety belt is closely attached to the child, it is difficult to ensure the comfort of the child when riding in the car; moreover, when an accident occurs and the car is braked suddenly, due to the child's forward The inertia of the child, so its body will produce a large acceleration. At this time, the seat belt is still tightly attached to the child but does not have the acceleration synchronous with the child. Therefore, the seat belt will produce a huge instantaneous pressure on the child. cause some damages.

Another existing safety seat protection device is installed on the back of the safety seat and has an elastic front protection device, which is similar to the protection device installed on the roller coaster seat. After the child sits on the safety seat, Move the front guard in front of the child for protection. Due to the elasticity of the front protective device, it can play a buffer role for children in the event of an accident and reduce injuries to children. However, the relative position of such front protection device and the loading base device (that is, the seat and seat back of the safety seat) is fixed when in use, so the size of the carrying space formed by it and the loading base device is Definitely, it is only suitable for children of a certain size, and the scope of application is relatively small.

Therefore, it is necessary to provide an adjustment and positioning device capable of adjusting the relative position of the front protection device and the loading base device and changing the size of the carrying space.

Contents of the invention

The object of the present invention is to provide an adjustment and positioning device capable of adjusting the relative position of the front protection device and the loading base device and changing the size of the loading space.

In order to achieve the above object, the present invention provides an adjustment and positioning device, which is used to locate the front protection device and adjust the size of the loading space between the front protection device and the loading base device. The adjustment and positioning device includes: a fixed seat, a moving Seat and adjustment positioning mechanism. The fixing seat is fixedly arranged on the loading base device. The mobile seat is slidably arranged on the fixed seat along the front and rear direction of the loading base device and is fixedly connected with the front protection device. The adjustment and positioning mechanism includes multiple adjustment assemblies and positioning assemblies. The multiple adjustment assemblies are arranged side by side on the moving seat along the sliding direction of the moving seat; the positioning assembly is movably arranged on the fixed seat; the positioning assembly is selectively locked on multiple The assembly is adjusted to adjust and position the position of the movable seat relative to the fixed seat, thereby adjusting the size of the loading space.

Compared with the prior art, because the adjustment and positioning device of the present invention slides the movable seat on the fixed seat and is fixedly connected with the front protection device, and a plurality of adjustment assemblies are arranged on the movable seat along the sliding direction, and move on the fixed seat. There is a positioning assembly, and the positioning assembly can be selectively locked to multiple adjustment assemblies. Therefore, by operating the positioning assembly to lock to different adjustment assemblies, the movable seat can move relative to the fixed seat, thereby adjusting the front protection. The relative position between the device and the carrying base device can further change the size of the carrying space, so that the carrying base device and the front protective device can be applied to children of different age groups.

Preferably, the fixed base has a first engaging portion extending along the sliding direction, and the moving base has a second engaging portion extending along the sliding direction and slidingly connected with the first engaging portion. By providing the first engaging portion and the second engaging portion, the sliding connection between the fixed seat and the moving seat can be realized.

Specifically, one of the first engaging portion and the second engaging portion is a protrusion, and the other of the first engaging portion and the second engaging portion is a groove.

More specifically, the cross section of the bump and the groove on a plane perpendicular to the sliding direction is T-shaped, dovetail-shaped, I-shaped, or arc-shaped. By setting the bumps and grooves in a T shape, dovetail shape, I shape, or arc shape, the moving seat can be stably moved along the length direction of the bumps and grooves by using the cooperation between the bumps and the grooves Slides on mount without moving or wobbling in other directions.

Preferably, the adjustment and positioning mechanism also includes an auxiliary assembly, and the auxiliary assembly is elastically abutted between the fixed seat and the movable seat, so that the movable seat can always move along the sliding direction to the front of the loading base device away from the fixed seat. Seat trend. By setting the auxiliary assembly between the fixed seat and the movable seat, when the positioning assembly is separated from the adjustment assembly, the movable seat can automatically move to the front of the loading base device driven by the auxiliary assembly to automatically increase the The size of the carrying space facilitates the children in the car to enter the carrying base device, and also simplifies the operation of adjusting the positioning mechanism.

Preferably, the adjustment and positioning mechanism further includes a reset assembly, and the reset assembly elastically abuts against the positioning assembly, so that the positioning assembly always has a tendency to be locked to the adjustment assembly. By arranging the reset assembly, the positioning assembly can be stably locked to the adjustment assembly without accidental falling off, ensuring the stability and reliability of the adjustment and positioning device.

Preferably, the adjustment assembly includes a concave hole opened in the moving seat, and the positioning assembly includes a main post that can be engaged with or disengaged from the concave hole.

Specifically, the positioning assembly further includes an operating button, which is pivotally connected to the fixing seat and connected to the main post, and the operating button is pivoted so that the main post selectively engages or disengages from the plurality of concave holes. By providing the operation button, the engagement or disengagement of the main protrusion and the concave hole can be more convenient to operate.

More specifically, the pivot axis of the operation button is parallel to the sliding direction, and the moving direction of the main protrusion is perpendicular to the sliding direction.

Further, the adjustment and positioning mechanism also includes a reset assembly, which elastically abuts against the operation button to provide an engaging elastic force that makes the operation button always have a tendency to drive the main post to engage with the concave hole. By setting the reset assembly, a snapping elastic force is provided, so that the operation button can automatically drive the main convex post to snap into the concave hole and keep the snapped state, so that it is not easy to fall off accidentally, ensuring the stability of the adjustment and positioning device performance and reliability.

Furthermore, the middle part of the operation button is pivotally connected to the fixed seat, and the main post abuts against the first end of the operation button; the reset assembly includes a first elastic member, and the first elastic member elastically abuts against the second end of the operation button. Between the two ends and the fixing seat, the engaging elastic force is provided.

In detail, the reset assembly further includes a second elastic member, which is elastically abutted between the fixing seat and the main post, and provides a disengagement force that makes the main post always have a tendency to leave the concave hole. By setting the second elastic part, when the second end of the operation button is pressed, the main post can be automatically disengaged from the concave hole under the action of the second elastic part's disengagement elastic force, without manually pulling it out, making the operation easier easy.

More specifically, the direction of the engaging elastic force and the direction of disengaging the elastic force are opposite to the direction of engaging the main post into the concave hole.

More specifically, the moment of the engaging elastic force acting on the operating button is greater than the moment acting on the operating button of the disengaging elastic force so as to keep the main post engaged in the concave hole. When the second end of the operation button is not pressed, the engaging elastic force of the first elastic member can ensure that the main post is engaged in the concave hole without being pushed out by the second elastic member.

In more detail, both the first elastic member and the second elastic member are compression springs.

More specifically, the main protrusion is disposed outside the pivot axis of the operation button. By arranging the main protrusion and the operation knob non-coaxially, when the operation knob is rotated, the main protrusion can be disengaged from the engagement with the concave hole by rotating.

Further, the positioning assembly also includes a long hole, which is opened in the fixing seat, and the operation button is slidably passed through and pivotally connected to the long hole, and the extending direction of the long hole is perpendicular to the sliding direction. By providing the elongated hole, the operation button can slide along the extending direction of the elongated hole when rotating, so that the main post can be more easily disengaged from the concave hole without being interfered by the side wall of the concave hole.

Further, the pivot axis of the operation button and the extension direction of the main protrusion are perpendicular to the sliding direction.

Furthermore, the adjustment and positioning mechanism also includes a reset assembly, and the reset assembly elastically abuts against the main post to provide an engaging elastic force that makes the main post always have a tendency to engage with the concave hole. By setting the reset assembly, an engaging elastic force is provided, so that the main protrusions are stably engaged in the concave holes, and accidental fall-off is not easy to occur, thereby ensuring the stability and reliability of the adjustment and positioning device.

In detail, the reset assembly elastically abuts between the main boss and the moving seat to provide engaging elastic force.

More specifically, the reset assembly includes a cover plate and a third elastic member; the cover plate abuts against the main boss, and the third elastic member elastically abuts between the cover plate and the moving seat to provide a locking elastic force.

More preferably, the reset assembly further includes a guide block and a guide groove, the guide block is connected to the cover plate; the guide groove is opened on the moving seat, and the guide block slides through the guide groove. By setting guide blocks on the cover plate and opening guide grooves in the moving seat, it can ensure that the cover plate slides along the guide grooves. When the main protrusion pushes the cover plate, the force on the reset assembly is even and the cover plate will not deflect. .

More preferably, the adjustment and positioning mechanism also includes a sliding groove, which is opened on the moving seat and communicated with the concave hole, and the cover plate is slidably connected to the sliding groove; wherein, the engaging elastic force makes the cover plate always have a tendency to cover the concave hole . By providing the sliding groove and sliding the cover plate through the sliding groove, the sliding of the cover plate can be made more stable, and the operation of the operation button is more convenient.

More preferably, the third elastic member is a compression spring whose two ends are in contact with the cover plate and the side wall of the fixing seat respectively.

More preferably, the third elastic member is an elastic antenna extending outward from the surface of the cover plate, and one end of the elastic antenna is in contact with the side wall of the moving seat.

Furthermore, the positioning assembly also includes an auxiliary boss, the auxiliary boss is fixed to the operation button, and the extension direction of the auxiliary boss is perpendicular to the sliding direction; the operation button is rotated to selectively engage or disengage the main boss and the auxiliary boss Any two adjacent concave holes. By adding an auxiliary post on the operation button, the engagement between the positioning assembly and the adjustment assembly can be made more stable, and when the operation button is rotated, one of the main post and the auxiliary post will break away from the engagement with the concave hole After closing, the other can still keep engaging with the concave hole to position the moving seat, so it is not necessary to fix the moving seat by hand, which simplifies the operation of adjusting the positioning mechanism.

Description of drawings

FIG. 1 is a perspective view of an assembly of an adjustment and positioning device, a loading base device and a front protection device according to an embodiment of the present invention.

Fig. 2 is a three-dimensional assembly schematic diagram of the moving seat of the adjustment and positioning device and the front protection device according to an embodiment of the present invention.

Fig. 3 is a schematic perspective view of a fixed seat of an adjustment and positioning device according to an embodiment of the present invention.

Fig. 4 is a schematic perspective view of the assembly of the adjustment and positioning device and the front protection device according to an embodiment of the present invention.

Fig. 5 is a front perspective assembly diagram of the adjustment and positioning device and the front protection device according to an embodiment of the present invention.

FIG. 6 is an enlarged view of area A in FIG. 5 .

Fig. 7 is a schematic perspective view of the three-dimensional position of the auxiliary spring of the adjustment and positioning device according to an embodiment of the present invention.

FIG. 8 is a schematic diagram of the state when the operation button in FIG. 6 is pressed.

Fig. 9 is a side view assembly diagram of the adjustment and positioning device, the loading base device and the front protection device according to an embodiment of the present invention.

Fig. 10 is a side view schematic diagram of the moving seat of the adjustment and positioning device moving forward according to an embodiment of the present invention.

FIG. 11 is a perspective view of an assembly of an adjustment positioning device and a front protection device according to another embodiment of the present invention.

FIG. 12 is an exploded perspective view of an adjustment positioning device and a front protection device according to another embodiment of the present invention.

Fig. 13 is a schematic perspective view of the three-dimensional structure of the main post and the auxiliary post of the adjustment and positioning device according to another embodiment of the present invention.

Fig. 14 is a side perspective assembly diagram of the moving seat of the adjustment and positioning device and the front protection device according to another embodiment of the present invention.

FIG. 15 is an enlarged view of area B in FIG. 14 .

Fig. 16 is a schematic diagram of the state of the operating button in Fig. 15 after it has been rotated by 90 degrees.

Fig. 17 is a schematic diagram of the state of the operation button in Fig. 16 after another 90 degrees rotation.

Fig. 18 is a schematic perspective view of another state of the positioning assembly of the adjusting and positioning device according to another embodiment of the present invention.

Detailed ways

The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings.

Please refer to Fig. 1 to Fig. 3, the adjustment and positioning device 1 of the present invention is installed on the loading base device 2, and is fixedly connected with the front protection device 3 to position the front protection device 3 and adjust the front protection device 3 and the loading base device 2 Dimensions of the loading space between. The adjustment and positioning device 1 includes a fixed seat 10 , a moving seat 11 and an adjustment and positioning mechanism; wherein, the adjustment and positioning mechanism includes an adjustment assembly 111 and a positioning assembly 13 .

Two fixed bases 10 are fixed on the base device 2; the fixed base 10 has a through hole 101 and the fixed base 10 has a first engaging portion 102 extending along the sliding direction, and the moving base 11 has a first engaging portion 102 extending along the sliding direction. The second engaging part 112, the first engaging part 102 and the second engaging part 112 are slidably connected so that the moving seat 11 is slidably arranged on the fixed seat 10; the moving seat 11 is provided with at least two adjustment assemblies along the sliding direction 111. The positioning assembly 13 is passed through the through hole 101 and passes through the fixed seat 10, and is selectively locked to a plurality of adjustment assemblies 111 to adjust and position the position of the movable seat 11 relative to the fixed seat 10, thereby adjusting the loading space. size.

The first embodiment of the front protection device of the present invention will be described below.

As shown in Figure 2 and Figure 3, the connection mode between the fixed seat 10 and the movable seat 11 in the first embodiment of the present invention is provided. The first engaging part is set on the fixed seat 10, and the first engaging part is T-shaped in this embodiment. Engaging groove 102, one end of T-shaped engaging groove 102 is closed, and the other end is open; The second engaging part is set corresponding to T-shaped engaging groove 102 on the moving base 11, and the second engaging part is T in this embodiment. The T-shaped engaging block 112 and the T-shaped engaging block 112 are engaged in the T-shaped engaging groove 102 so that the movable seat 11 can slide relative to the fixed seat 10 . By engaging the T-shaped engaging block 112 into the T-shaped engaging groove 102, the moving seat 11 can stably slide on the fixed seat 10 along the length direction of the T-shaped engaging groove 102, and no other direction will occur. movement or shaking.

As shown in FIG. 4 , the moving base 11 protrudes upwards to form a connecting portion 113 , and the adjusting and positioning device 1 further includes a connecting mechanism 114 , and the connecting mechanism 114 fixes the front protection device 3 to the connecting portion 113 . By providing the connecting mechanism 114 , the front protective device 3 can be detachably fixed to the connecting portion 113 , which facilitates disassembly or replacement of the front protective device 3 .

As shown in Figure 5, the surface of the fixing seat 10 has a groove 103, and the through hole 101 is arranged at the bottom of the groove 103; the adjustment and positioning device 1 also includes a reset assembly arranged in the groove 103, and the reset assembly includes the first A compression spring 15 and a second compression spring 16; the positioning assembly 13 includes a main boss 13' and an operating button 14; the adjustment assembly includes a concave hole 111', and a plurality of concave holes 111' are arranged side by side along the sliding direction of the moving seat 11 on the T-shaped engaging block 112 .

Please refer to FIG. 5 and FIG. 6 , the main protrusion 13 ′ is slidably disposed in the through hole 101 and selectively engages into the concave hole 111 ′, and the moving direction of the main protrusion 13 ′ is perpendicular to the sliding direction. The middle part of the operation button 14 is pivotally connected to the fixed seat 10, and the pivot shaft 141 is parallel to the sliding direction. lower end) against the first compression spring 15. The two ends of the first compression spring 15 are in contact with the fixing seat 10 and the second end of the operating button 14 respectively, and the two ends of the second compression spring 16 are respectively in contact with the fixing seat 10 and the main protrusion 13 ′. The first compression spring 15 and the second compression spring 16 respectively provide the engagement elastic force and the disengagement elastic force in the direction opposite to the direction in which the main post 13' is inserted into the concave hole 111', that is, the first compression spring 15 pushes the operating button 14 outward. The second end makes the first end of the operating button 14 push the main protrusion 13 ′ inward, and the second compression spring 16 pushes the main protrusion 13 ′ outward from the through hole 101 . The moment of the engagement elastic force acting on the operation button 14 is greater than the moment of the disengagement elastic force acting on the operation button 14 so that the main post 13 ′ remains inserted into the concave hole 111 ′. By pivotally connecting the middle part of the operation button 14 to the fixed seat 10, the first end of the operation button 14 is in contact with the main boss 13', the second end is in contact with the first compression spring 15, and the first compression spring 15 The direction of the elastic force is opposite to the direction in which the main post 13' is inserted into the concave hole 111'. Therefore, the first compression spring 15 will push the second end of the operation button 14 outward, so that the operation button 14 pivots around the pivot shaft 141, Thus, the first end of the operating button 14 moves inward, pushes the main convex column 13', makes the main convex column 13' fit into the concave hole 111' and is not easy to disengage, ensuring the safety of the adjustment positioning device 1; A second compression spring 16 is arranged between the fixed seat 10 and the main boss 13', so when the second end of the operation button 14 is pressed, the first end of the operation button 14 moves outward, releasing the pressure on the main boss. Pushing the column 13', the main convex column 13' will automatically break away from the concave hole 111' under the elastic force of the second compression spring 16, and the main convex column 13' will not be pulled out manually. After the moving seat 11 moves to the predetermined position, Just release the second end of the operation button 14, and the main post 13' will be automatically inserted into another concave hole 111' under the elastic force of the first compression spring 15, which makes the operation more convenient. When the second end of the operation button 14 is not pressed, the first compression spring 15 can ensure that the main post 13 ′ is inserted into the concave hole 111 ′ without being pushed out of the concave hole 111 ′ by the second compression spring 16 .

As shown in Figure 7, an auxiliary moving assembly is provided between the fixed seat 10 and the movable seat 11, specifically, the auxiliary moving assembly is an auxiliary moving spring 19, and the auxiliary moving spring 19 is a compression spring, and the front end of the auxiliary moving spring 19 is in contact with the The rear end of the T-shaped engagement block 112, the rear end of the auxiliary spring 19 is in contact with the rear end of the fixed seat 10; Apply a thrust towards the front of the carrying base device 2 . By setting the auxiliary spring 19 between the fixed seat 10 and the movable seat 11, when the main convex column 13' breaks away from the concave hole 111', the movable seat 11 can automatically move forward under the elastic force of the auxiliary spring 19 to increase The size of the carrying space is convenient for the children in the car to enter the carrying base device 2 and simultaneously simplifies the operation of the front protection device 1 .

Below in conjunction with Fig. 8 to Fig. 10, briefly describe the adjustment process of the protective device in front of the present invention:

When the child needs to sit on the base device 2, the second end of the operating button 14 is pressed inward, the first compression spring 15 is compressed, the operating button 14 rotates around the pivot shaft 141, and the first end of the operating button 14 moves toward the The main convex post 13' is released by moving outward, and the second compression spring 16 pushes the main convex post 13' outward to disengage from the engagement with the concave hole 111'. At this time, the elastic recovery of the auxiliary spring 19 Under the action of force, the mobile seat 11 is pushed forward, and the loading space on the loading base device 2 becomes larger, and children can easily ride into the loading base device 2 . Then, adjust the position of the mobile seat 11 along the sliding direction according to the size of the child in the car. After the adjustment is completed, release the operation button 14, and then the first compression spring 15 pushes the second end of the operation button 14 outwards, and the operation button 14 The first end of the first end moves inward and pushes the main post 13 ′ into the concave hole 111 ′ to fix the movable base 11 .

As shown in FIG. 11 , it is the second embodiment of the present invention. In this embodiment, the connection mode between the fixed base 10 and the movable base 11 and the connection mode between the front protection device 3 and the movable base 11 are the same as those in the first embodiment.

Please refer to Fig. 12 and Fig. 13. The difference between the second embodiment and the first embodiment is that the positioning assembly 13 in this embodiment includes a base 171 and a main boss 172 protruding outward from the base 171. The main boss 172 is located outside the pivot axis of the base 171 . Preferably, the base portion 171 also has auxiliary protrusions 172 ′, and the extending direction of the main protrusion 172 and the auxiliary protrusions 172 ′ is perpendicular to the sliding direction.

The base 171 is rotatably installed in the through hole 101, and the main boss 172 and the auxiliary boss 172' go out of the fixing seat 10; an operation button 173 is fixedly connected with the base 171 and pivotally connected to the through hole 101, and protrudes from the fixing seat 10. Seat 10 surface. The adjustment assembly is a concave hole 111" with an open upper end; the main protrusion 172 and the auxiliary protrusion 172' are selectively engaged in two adjacent concave holes 111". By setting the main post 172 and the auxiliary post 172' on the base 171, and setting the concave hole 111" with an opening on the moving base 11, when the base 171 rotates in the through hole 101, the main post 172 and the auxiliary post 172 ' can rotate around the axis of the through hole 101 to disengage from the engagement with the concave hole 111", while the other one in the other concave hole 111" will push the moving seat when it rotates around the axis of the through hole 101 11 slides, thereby changing the relative position between the front protection device 1 and the loading base device 2, that is, changing the size of the carrying space.

As shown in Figures 14 to 17, the adjustment positioning device 1 also includes a reset assembly 18, and the moving seat 11 is also provided with a sliding groove 115, which communicates with the concave hole 111", and the reset assembly 18 is slidably arranged in the sliding groove 115 and elastically abuts against the main post 172 and the auxiliary post 172', so as to provide an engaging elastic force that makes the main post 172 and the auxiliary post 172' always have a tendency to engage in the concave hole 111".

Specifically, the reset assembly 18 includes a cover plate 181 and a third elastic member. In this embodiment, the third elastic member is specifically an elastic contact pin 182 extending outward from the surface of the cover plate, and the elastic contact pin 182 is in contact with the sliding groove. 115, the cover plate 181 covers the opening of the recessed hole 111 ". By covering the cover plate 181 on the recessed hole 111", the elastic contact feet 182 on the cover plate 181 are in conflict with the side wall. Therefore, the main convex post 172 And the auxiliary post 172' can be limited in the concave hole 111", preventing the main post 172 and the auxiliary post 172' from accidentally leaving the concave hole 111", so as to ensure that the mobile seat 11 will not be accidentally displaced. When the operation knob 173 is rotated to make the main boss 172 or the auxiliary boss 172' out of the concave hole 111", the elastic force of the elastic contact pin 182 makes the cover plate 181 press down on the main boss 172 or the auxiliary boss 172', when the operation After the button 173 is rotated 90 degrees, the cover plate 181 can press the main post 172 or the auxiliary post 172' into the other concave hole 111", which plays an auxiliary role and makes the operation easier and labor-saving.

Please refer to FIG. 17 again. Specifically, a guide block 183 extends from the surface of the cover plate 181 , and a guide groove 116 is formed on the bottom surface of the concave hole 115 , and the guide block 183 is slidably disposed in the guide groove 116 . By extending the guide block 183 on the cover plate 181 and slidingly setting the guide block 183 in the guide groove 116, it can be ensured that the cover plate 181 slides along the length direction of the guide groove 116. When the cover plate 181 is pushed, the elastic contact feet 182 are evenly stressed, and the cover plate 181 will not deflect.

As shown in Figure 18, it is the third embodiment of the present invention. The difference between this embodiment and the second embodiment is that the through hole 101 is an elongated hole 101', and the base 171 and the operating button 173 can be inserted into the elongated hole 101'. Slide in the up and down direction. By setting the through hole 101 as an elongated hole 101', the base 171 can slide up and down in the elongated hole 101'. When the operation button 173 rotates, the operation button 173 and the base 171 can simultaneously move upwards in the elongated hole 101'. slide, so that one of the main boss 172 or the auxiliary boss 172' that is getting out of the concave hole 111" avoids interference with the side wall of the concave hole 111", and also ensures that the main boss in the concave hole 111" The pushing of the moving seat 11 by the other of the post 172 or the auxiliary post 172 ′.

It should be noted that, in the above three embodiments, the two fixing seats 10 are respectively fixed on both sides of the carrying base device 2. In order to increase the stability and safety of the front protection device 1, the two fixing seats 10 are all It is slidably connected with the moving seat 11 and engaged with the engaging parts. Of course, only the through hole 101 and the engaging parts can be provided on one fixed seat 10, while the other fixed seat 10 is only slidably connected with the moving seat 11 without Snap.

Compared with the prior art, the present invention is because the adjusting and positioning device 1 of the present invention slides the moving seat 11 on the fixed seat 10 and is connected with the front protection device 3, and a plurality of adjustment assemblies are arranged on the moving seat 11 along the sliding direction. Into 111, a positioning assembly 13 is movably arranged on the fixed seat 10, and the positioning assembly 13 can be selectively locked to a plurality of adjustment assemblies 111. Therefore, by operating the positioning assembly 13 to lock to different adjustment assemblies 111, The movable base 11 can be moved relative to the fixed base 10, thereby adjusting the relative position between the front protection device 3 and the loading base device 2, and then changing the size of the loading space, so that the loading base device 2 and the front protection device 1 Suitable for children of different ages.

The above disclosures are only preferred examples of the present invention, and of course cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the patent scope of the present invention still fall within the scope of the present invention.

Claims (26)

1. an adjustment registration device, is applicable to locate frontal protection device and adjusts described frontal protection device and take advantage of the size of carrying space of taking advantage of of carrying between base unit, it is characterized in that, described adjustment registration device comprises:

Permanent seat, takes advantage of described in being fixedly arranged at and carries base unit;

Mobile base, along described in take advantage of the fore-and-aft direction that carries base unit be arranged at slidably described permanent seat and be fixedly connected with described frontal protection device; And

Adjust detent mechanism, comprise:

A plurality of described adjustment assemblies, are arranged side by side in described Mobile base along the direction of slip of described Mobile base; And

Locating assembly, is arranged at described permanent seat actively;

Described locating assembly is selectively locked in a plurality of described adjustment assemblies, to adjust and to locate described Mobile base with respect to the position of described permanent seat, and then described in adjusting, takes advantage of the size of carrying space.

2. adjustment registration device as claimed in claim 1, it is characterized in that: described permanent seat has first engagement section of extending along described direction of slip, described Mobile base have along described direction of slip extend and with the second engagement section of described the first engagement section sliding block joint.

3. adjustment registration device as claimed in claim 2, is characterized in that: the one in described the first engagement section and described the second engagement section is projection, and the another one in described the first engagement section and described the second engagement section is groove.

4. adjustment registration device as claimed in claim 3, is characterized in that: the T-shaped shape of described projection and the cross section of described groove in the plane perpendicular to described direction of slip, dovetail shape, I-shaped shape or circular shape.

5. adjustment registration device as claimed in claim 1, it is characterized in that: described adjustment detent mechanism also comprises power-assist assembly, described power-assist assembly is flexibly connected between described permanent seat and described Mobile base, and described Mobile base perseverance is had along described direction of slip towards the described trend of taking advantage of the place ahead of carrying base unit to move away from described permanent seat.

6. adjustment registration device as claimed in claim 1, it is characterized in that: described adjustment detent mechanism also comprises reset assembly, described reset assembly is flexibly connected to described locating assembly, makes described locating assembly perseverance have the trend that is locked in described adjustment assembly.

7. adjustment registration device as claimed in claim 1, is characterized in that: described adjustment assembly comprises the shrinkage pool that is opened in described Mobile base, and described locating assembly comprises the main projection that can engage or depart from described shrinkage pool.

8. adjustment registration device as claimed in claim 7, it is characterized in that: described locating assembly also comprises operating knob, described operating knob is articulated in described permanent seat and is connected in described main projection, described operating knob pivotable so that described main projection selectively engage or depart from a plurality of described shrinkage pools.

9. adjustment registration device as claimed in claim 8, is characterized in that: the pivotable axis parallel of described operating knob is in described direction of slip, and the moving direction of described main projection is perpendicular to described direction of slip.

10. adjustment registration device as claimed in claim 9, it is characterized in that: described adjustment detent mechanism also comprises reset assembly, described reset assembly is flexibly connected to described operating knob, provides and makes described operating knob perseverance have the engaging elastic force that the described main projection of driving is sticked in the trend of described shrinkage pool.

11. adjustment registration devices as claimed in claim 10, it is characterized in that: the middle part of described operating knob is articulated in described permanent seat, described main projection is connected to the first end of described operating knob, described reset assembly comprises the first elastic component, described the first elastic component is flexibly connected between the second end and described permanent seat of described operating knob, so that described engaging elastic force to be provided.

12. adjustment registration devices as claimed in claim 11, it is characterized in that: described reset assembly also comprises the second elastic component, described the second elastic component is flexibly connected between described permanent seat and described main projection, and the disengaging elastic force that makes described main projection perseverance have the trend that departs from described shrinkage pool is provided.

13. adjustment registration devices as claimed in claim 12, is characterized in that: the direction of the direction of described engaging elastic force and described disengaging elastic force is all snapped into the opposite direction of described shrinkage pool with described main projection.

14. adjustment registration devices as claimed in claim 12, is characterized in that: the moment that described engaging elastic force acts on described operating knob is greater than the moment that described disengaging elastic force acts on described operating knob and is sticked in described shrinkage pool to maintain described main projection.

15. adjustment registration devices as claimed in claim 12, is characterized in that: described the first elastic component and described the second elastic component are Compress Spring.

16. adjustment registration devices as claimed in claim 8, is characterized in that: described main projection is disposed at the outside of the pivotable axial line of described operating knob.

17. adjustment registration devices as claimed in claim 16, it is characterized in that: described locating assembly also comprises elongated hole, described elongated hole is opened in described permanent seat, described operating knob is arranged in slidably and is articulated in described elongated hole, and the bearing of trend of described elongated hole is perpendicular to described direction of slip.

18. adjustment registration devices as claimed in claim 16, is characterized in that: the pivotable axial line of described operating knob and the bearing of trend of described main projection are perpendicular to described direction of slip.

19. adjustment registration devices as claimed in claim 18, it is characterized in that: described adjustment detent mechanism also comprises reset assembly, described reset assembly is flexibly connected to described main projection, provides and makes described main projection perseverance have the engaging elastic force of the trend that is sticked in described shrinkage pool.

20. adjustment registration devices as claimed in claim 19, is characterized in that: described reset assembly is flexibly connected between described main projection and described Mobile base, so that described engaging elastic force to be provided.

21. adjustment registration devices as claimed in claim 20, it is characterized in that: described reset assembly comprises cover plate and the 3rd elastic component, described cover plate is connected to described main projection, and described the 3rd elastic component is flexibly connected between described cover plate and described Mobile base, so that described engaging elastic force to be provided.

22. adjustment registration devices as claimed in claim 21, it is characterized in that: described reset assembly also comprises orienting lug and guide groove, described orienting lug is connected in described cover plate, and described guide groove is opened in described Mobile base, and described orienting lug is connected to described guide groove slidably.

23. adjustment registration devices as claimed in claim 21, it is characterized in that: described adjustment detent mechanism also comprises sliding tray, described sliding tray is opened in described Mobile base and is communicated in described shrinkage pool, described cover plate is connected to described sliding tray slidably, wherein, described engaging elastic force makes described cover plate perseverance have the trend of shrinkage pool described in capping.

24. adjustment registration devices as claimed in claim 21, is characterized in that: described the 3rd elastic component is the Compress Spring that two ends contact at respectively the sidewall of described cover plate and described permanent seat.

25. adjustment registration devices as claimed in claim 21, is characterized in that: described the 3rd elastic component is that one end of described elasticity feeler contacts at the sidewall of described Mobile base from the outward extending elasticity feeler of described lid surface.

26. adjustment registration devices as claimed in claim 16, it is characterized in that: described locating assembly also comprises auxiliary projection, described auxiliary projection is fixed on described operating knob, the bearing of trend of described auxiliary projection is perpendicular to described direction of slip, and described operating knob rotates so that described main projection and described auxiliary projection selectively engage or depart from any two adjacent described shrinkage pools.