AU2016100961A4

AU2016100961A4 - A kind of seat pallet

Info

Publication number: AU2016100961A4
Application number: AU2016100961A
Authority: AU
Inventors: Baoqing Yang; Mao Ying
Original assignee: Zhejiang Hengfeng Top Leisure Co Ltd
Current assignee: Zhejiang Hengfeng Top Leisure Co Ltd
Priority date: 2015-11-24
Filing date: 2016-06-29
Publication date: 2016-07-28
Anticipated expiration: 2024-06-29
Also published as: CN206150963U; WO2017088418A1; CN105852469A; CN105852477A; CN206150980U; CN105852477B

Abstract

DESCRIPTION The present invention relates to the technical field of outdoor leisure equipment, especially to a kind of chair pallet. A kind of chair pallet comprises pallet body, upper clamp chuck and lower clamp chuck, and said upper clamp chuck comprises universal connecting base and fixing base. The said universal connecting base is provided on the fixing base with a locking member to fasten the universal connecting base, and the said pallet body can be fixed on or removed from the said universal connecting base; a gripping mouth is provided between the fixing base of upper clamp chuck and the lower clamp chuck, and the fixing base and/or lower clamp chuck are provided with relevant locking units to lock the clamped piece in the gripping mouth. In the present invention, you can secure the pallet on the chair through the gripping mouth and adjust the pallet at multiple angles through the universal connecting base, thus improving the convenience of use. Moreover, a same pallet can be used to different chairs, thus significantly improving the university and carrying convenience of the chair pallet. 14 12 11 13 Fig. 1 Fig. 2

Description

A KIND OF SEAT PALLET

FIELD OF THE INVENTION

[0001] The present invention relates to the technical field of outdoor leisure equipment, especially to a kind of chair pallet.

DESCRIPTION OF THE PRIOR ART

[0002] In outdoor leisure, people usually like lying in a leisure chair to read or talk, usually carrying things such as mobile phone and drinks. These things are usually placed on the pallet on the side of the pallet. However, the current pallets are fixedly secured to the chair with single function, and cannot be fully used. Moreover, the chairs with pallet are usually folding chair and the storing of folding chair must be taken into consideration, for the large thickness of folding chair would occupy more space.

SUMMARY OF THE INVENTION

[0003] In order to solve the problem that current chairs with fixed pallet cannot be fully used and occupy larger space, the present invention provides a kind of chair pallet.

[0004] In order to realize the object, the present invention takes the following technical schemes: A kind of chair pallet comprises pallet body, upper clamp chuck and lower clamp chuck, and said upper clamp chuck comprises universal connecting base and fixing base. The said universal connecting base is provided on the fixing base with a locking member to fasten the universal connecting base, and the said pallet body can be fixed on or removed from the said universal connecting base; a gripping mouth is provided between the fixing base of upper clamp chuck and the lower clamp chuck, and the fixing base and/or lower clamp chuck are provided with relevant locking units to lock the clamped piece in the gripping mouth.

[0005] As further improvement, the said universal connecting base comprises a first spin shaft, a first rotational fitting member, a second spin shaft and a second rotational fitting member. The first rotational fitting member adopts a structure of included angle (preferably 60-120° and most favorite 90°) ; one end of the first spin shaft is fixedly connected with the fixing base while the other end of the first spin shaft is provided at the end of first rotational fitting member. The first rotational fitting member rotates around the fist spin shaft, and a first locking unit is provided between the first spin shaft and the first rotational fitting member; the said second spin shaft is provided at the other end of the first rotational fitting member, and the second rotational fitting member rotates around the second spin shaft; a second locking unit is provided between said second rotational fitting member and said second spin shaft; said pallet body is installed on the second rotational fitting member. The above structure adopts two rotational connection ways with certain included angles and corresponding locking units, and can adjust the pallet body coupled to the chair frame at various angles to improve the suitability of different structures of chair.

[0006] As further improvement, the said first rotational fitting member is connected to the fixing base. The first rotational fitting member is provided with a first shaft hole, and said first spin shaft in provided in the first shaft hole; the first spin shaft comprises a first spin shaft body, an unlocking button and a first elastic member, and the said first spin shaft body is fixedly mounted on the said fixing base; the said unlocking button is provided on the first spin shaft body and can only slide axially along the said first spin shaft body, and the first elastic member is provided between the said first spin shaft body and the said unlocking button to provide pretension for said unlocking button; the free end of said unlocking button is provided with a press button and multiple first latches below the said press button and distributed circumferentially; the said press button shaft hole 4 protrudes in the first shaft hole. The said first latches are limited in the inner ring in the end of the first shaft hole, and the inner ring in the end of the first shaft hole is provided with multiple first slots to couple with the said first latches. When the press button is pressed down, the said first latches disengage from the first slots, and the first rotational fitting member can rotate around the first spin shaft. The above structure provides a good locking unit for the first spin shaft and the first rotational fitting member for its simple structure and convenient use.

[0007] As further improvement, the said fixing base is provided with a mounting hole in the upper end, and the inner ring of the mounting hole is provided with a retainer ring. The retainer ring is provided with arc indentations uniformly along the circumferential direction. The outer ring in the connecting end of the said first rotational fitting member is provided with snap rings that are arc protrusions uniformly along the outer ring. The arc protrusions buckle the retainer rings, and the radian of the said arc protrusion is no more than that of arc indentation. The above structure provides a fast installation of the fixing base and the first rotational fitting member.

[0008] As further improvement, the outer ring of said first spin shaft body is axially provided with multiple first gib blocks, and the end of said unlocking button is provided with a shaft hole. The inner ring of shaft hole is axially provided with multiple first guide paths, and the first gib blocks are provided in the first guide paths. The above structure provides a way of the unlocking button slides axially opposite the first spin shaft body. As is known to the technical personnel in the field, the configured positions of the first gib block and the first guide path are mutually replaceable. Of course, the unlocking button can realize the slide axially opposite the first spin shaft body by using other ways.

[0009] As further improvement, the said second spin shaft comprises a second spin shaft body, a limit unit and a second elastic member. One end of the second spin shaft body is fixedly connected with the first rotational fitting member, and the second spin shaft body is provided in the second shaft hole. The said second elastic member is provided between the second rotational fitting member and the second spin shaft body. The limit unit enters the second shaft hole and is fixedly connected with the second spin shaft body. The inner ring of the second shaft hole is circumferentially provided with multiple second slots. The outside of said limit unit is provided with a limit convex ring, and the limit convex ring contacts an annular convex ring. The outer ring of limit unit at the outside of limit convex ring is provided with multiple second latches to be snapped-in the second slots. When the second rotational fitting member is pressed down, the second slots are disengaged from the second latches, and the second rotational fitting member can rotate around the second spin shaft. The above structure provides a good locking unit for the second spin shaft and the second rotational fitting member for its simple structure and convenient use.

[0010] As still further improvement, the middle part of limit unit is provided with a shaft portion, and the inner ring of the second shaft hole is circumferentially provided with an annular convex ring. The shaft portion matches the outer ring of the annular convex ring. Or else, the inner ring of the second shaft hole is provided with multiple limit bars circumferentially. The shaft portion matches with the outer ring formed by the multiple limit bars. By the configuration of the shaft portion and the outer ring, the reliability of limit unit moving on the second spin shaft is improved.

[0011] As still further improvement, the outer ring of said limit unit is axially provided with multiple gib blocks. The inner ring of annular convex ring is axially provided with multiple guide paths, and the gib blocks are provided in the guide paths. Of course, the configured positions of the above said second gib block and second guide path are mutually replaceable. This structure avoids the limit unit from self-rotation.

[0012] In the present invention, both the structure between the first spin shaft and the first rotational fitting member and the structure between the second spin shaft and the second rotational fitting member are mutually replaceable, indicating that the structure between the spin shaft and rotational fitting member in the present invention is not a single but many ways can be used. The present invention provides both ways to suit people's habit of using chair pallet, showing significant convenience and reliability.

[0013] As further improvement, the said second rotational fitting member is provided with a dovetail and a limit mouth, and the said pallet body is provided with a dovetail-indent to suit the dovetail in its lower part and is also provided with limit embossment to match the limit mouth.

[0014] As further improvement, the said pallet body is provided with tumbler holders and a strip slot, and the said tumbler holders comprise open-hole tumbler holder and slot tumbler holder. The said pallet body is also provided in its side with an opening slot communicating with the open-hole tumbler holder.

[0015] As further improvement, the said fixing base is hinged with one end of lower clamp chuck through a rotating shaft, and mutually locked with the other end of lower clamp chuck.

[0016] As still further improvement, the said fixing base and the other end of said lower clamp chuck are respectively provided with hinged screw stem and the hole groove to accommodate the said screw stem; the free end of said screw stem is provided with a tightening knob; the sectional area of said tightening knob is larger than that of said hole groove, and matches the thread of said screw stem. The above structure provides a kind of locking unit to lock the gripped thing in the gripping mouth. However, the structures of locking unit to fasten the gripped thing in the gripping mouth, for example, by spring application, or fastening the fixing base and both ends of said lower clamp chuck by screw stem.

[0017] As further improvement, the said fixing base and lower whole chuck are provided with clamping members at the position of gripping mouth respectively. The inner wall of the clamping member is provided with an elastic buffer layer, and the outside of the clamping member is provided with fixing rods. The fixing base and lower clamp chuck are provided with fixing holes, and the said fixing rods interpose the fixing holes.

[0018] When a pallet of the present invention is needed, you can secure the pallet on the chair through the gripping mouth and adjust the pallet at multiple angles through the universal connecting base, thus improving the convenience of use. Especially, when the pallet body can be removably mounted on the said universal connecting base, you can use the same pallet at different chairs, so long as the chair is provided with the upper clamp chuck and lower clamp chuck of the present invention, thus significantly improving the universality and carrying convenience of the chair pallet.

BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Fig. 1 is a schematic view of the angle structure in an embodiment of chair pallet of the present invention.

[0020] Fig. 2 is a schematic view of the angle structure in another embodiment of chair pallet of the present invention.

[0021] Fig. 3 is an exploded view of the embodiment of chair pallet of the present invention.

[0022] Fig. 4 is a sectional view of the first rotational fitting member in the embodiment of chair pallet of the present invention.

[0023] Fig. 5 is a sectional view of the second rotational fitting member in the embodiment of chair pallet of the present invention.

[0024] in which: 1-pallet body, 11-mobile phone groove, 12-open-hole tumbler holder, 13-wine bottle holder, 14-open slot, 2-upper clamp chuck, 3-lower clamp chuck, 4-gripping mouth, 5-first spin shaft, 51-first spin shaft body, 52-unlocking button, 53-first elastic member, 54-press button, 55-first latch, 6-first rotational fitting member, 61-first slot, 7-second spin shaft, 71-second spin shaft body, 72-limit unit, 73-second elastic member, 74-second latch, 8-second rotational fitting member, 81-second slot, 9-screw stem, 10-hole groove, 101-tightening knob

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0025] With the object of better understanding the technical scheme of the present invention by the technicians skilled in the field, further description of the present invention is made accompanied with figures and embodiments.

[0026] Fig. 1 is a schematic view of angle structure in the embodiment of pallet of the present invention. Fig. 2 is a schematic view of the angle structure in another embodiment of chair pallet of the present invention. Fig. 3 is an exploded view of the embodiment of chair pallet of the present invention. It is shown that the chair pallet of the present invention comprises pallet bodyl, upper clamp chuck 2 and lower clamp chuck 3, and said upper clamp chuck 2 comprises universal connecting base and fixing base. The said universal connecting base is provided on the fixing base with a locking member to fasten the universal connecting base, and the said pallet body 1 can be fixed on or removed from the said universal connecting base; the said fixing base and lower clamp chuck 3 take an inner concave structure, and when locked together, both of them form a gripping mouth 4 to clamp the chair frame. The said fixing base and/or lower clamp chuck 3 are provided with relevant locking units to lock the clamped piece in the gripping mouth 4. When used outdoors, the gripping mouth 4 between upper clamp chuck 2 and lower clamp chuck 3 can fix the whole pallet body 1 with the chair.

[0027] Since the angles of clamped chair frame are varied, the pallet body 1 may not keep horizontal and its position may be limited after the chair pallet is installed on the chair frame. To realize the adjustment of pallet body 1, in another embodiment, a relevant universal connecting base is provided between the fixing base and pallet body 1. Specifically, the said universal connecting base comprises a first spin shaft 5, a first rotational fitting member 6, a second spin shaft 7 and a second rotational fitting member 8, and the first rotational fitting member 6 adopts a structure of right angle; one end of the first spin shaft 5 is fixedly connected with the fixing base while the other end of the first spin shaft 5 is provided at the end of right angle of first rotational fitting member. The first rotational fitting member 6 rotates around the fist spin shaft 5, and a first locking unit is provided between the first spin shaft 5 and the first rotational fitting member 6; the said second spin shaft 7 is provided at the other end of right angle of the first rotational fitting member, and the second rotational fitting member 8 rotates around the second spin shaft 7; the said pallet body 1 is installed on the second rotational fitting member 8.

[0028] As shown in Fig. 3, 4 and 5 in an embodiment of the present invention, the said first rotational fitting member 6 is connected with the fixing base. The said fixing base is provided with a mounting hole in the upper end, and the inner ring of the mounting hole is provided with a retainer ring. The retainer ring is provided with arc indentations uniformly along the circumferential direction. The outer ring in the connecting end of the said first rotational fitting member is provided with snap rings that are arc protrusions uniformly along the outer ring. The arc protrusions buckle the retainer rings, and the radian of the said arc protrusion is no more than that of arc indentation.

The first rotational fitting member 6 is provided with a first shaft hole, and the said first spin shaft 5 is provided in the first shaft hole; the first spin shaft 5 comprises a first spin shaft body 51, an unlocking button 52 and a first elastic member 53. The said first spin shaft body 51 is fixedly mounted on the said fixing base; the said unlocking button 52 is provided in the first spin shaft body 51 and can only slide axially opposite the said first spin shaft body 51, and the outer ring of said first spin shaft body 51 is axially provided with multiple first gib blocks. The unlocking button 52 is provided with a shaft hole in the end. The inner ring of shaft hole is axially provided with multiple first guide paths, and the first gib blocks are provided in the first guide path. The said first elastic member 53 is provided between the said first spin shaft body 51 and the said unlocking button 52 to provide pretension for the said unlocking button 52. The free end of the said unlocking button 52 is provided with a press button 54 and multiple first latches 55 below the said press button 54 and distributed circumferentially. The said press button shaft hole 4 protrudes in the first shaft hole. The said first latches 55 are limited in the inner ring in the end of the first shaft hole, and the inner ring in the end of the first shaft hole is provided with multiple first slots 61 to couple with the said first latches 55. When the press button 54 is pressed down, the said first latches 55 disengage from the first slots 61, and the first rotational fitting member 6 can rotate around the first spin shaft 5.

[0029] In addition, as shown in Fig. 3, 4 and 5, the said second spin shaft 7 comprises a second spin shaft body 71, a limit unit 72 and a second elastic member 73. One end of the second spin shaft body 71 is fixedly connected with the first rotational fitting member 6. The second rotational fitting member 8 is provided with a second shaft hole, and the second spin shaft body 71 is provided in the second shaft hole. The said second elastic member 73 is provided between the second rotational fitting member 8 and the said second spin shaft body 71. The limit unit 72 enters the second shaft hole and is fixedly connected with the second spin shaft body 71. The inner ring of the second shaft hole is circumferentially provided with multiple second slots 81. The outside of said limit unit is provided with a limit convex ring, and the limit convex ring contacts an annular convex ring. The outer ring of limit unit 72 at the outside of limit convex ring is provided with multiple second latches 74 to be snapped-in the second slots 81. When the second rotational fitting member 8 is pressed down, the second slots 81 are disengaged from the second latches 74, and the second rotational fitting member 8 can rotate around the second spin shaft 7. As shown in Fig. 5, the middle part of limit unit 72 is provided with a shaft portion, and the inner ring of the second shaft hole is circumferentially provided with multiple limit bars. The shaft portion matches with the outer ring formed by the multiple limit bars. The outer ring of said limit unit 72 is axially provided with multiple second guide paths, and the said spin shaft body 71 is provided with a shaft hole. The inner ring of shaft hole is axially provided with multiple second gib blocks in the second guide paths.

[0030] Therefore, in normal condition the first elastic member 53 is in a compressed state, so that the press button 54 on the unlocking button 52 can interpose the through hole in the end of the first rotational fitting member 6, and the first latch 55 and the first slot 61 are snapped-in each other, preventing the first rotational fitting member 6 from rotating around the first spin shaft 5; when rotation is needed, press the button 54 to compress the elastic member 53 continuously so that the first slot 61 is disengaged from the first latch 55, thus rotating the first rotational fitting member 6; similarly, the second slot 81 of the second rotational fitting member 8 and the second latch 74 of limit unit 72 are snapped-in each other, preventing the second rotational fitting member 8 from rotating; when pallet body 1 is to be adjusted, push the second rotational fitting member 8 to move towards the second spin shaft body 71, thus disengaging the second latch 74 from the second slot 81 and rotating the second rotational fitting member 8.

[0030] In an embodiment, the first elastic member 53 and the second elastic member 73 can adopt compression spring or other type of elastic member to provide elastic restoring force. All the aforesaid first spin shaft 5 and first rotational fitting member 6, the second spin shaft 7 and second rotational fitting member 8 adopt snap-in connection between the slot and latch. Other type of snap-in fixing instead of elastic member can be used in other embodiments; of course, the connection such as friction fixing can also be used instead of snap-in connection in other embodiments.

[0032] As shown in Fig. 3, in an embodiment of the present invention, the pallet body 1 and the second rotational fitting member 8 can use removable structure. In the embodiment shown in the figure, pallet body 1 and the second rotational fitting member 8 use removable structure to facilitate the replacement and carriage of pallet body 1 and adapt to various application places. Specifically, pallet body 1 is provided with dovetail-indent and limit embossment, and the second rotational fitting member 8 is provided with corresponding fitting member; of course, dovetail-indent and limit embossment may also be provided on the second rotational fitting member 8.

[0033] Moreover, as shown in Fig. 1 and 2, pallet body 1 is provided with a wine bottle holder 13, an open-hole tumbler holder 12 and a mobile phone groove 11. The mobile phone groove 11 is provided in the upper outside of dovetail-indent. The wine bottle holder 13 is provided at the cylindrical indentation of pallet body, and said cylindrical indentation is provided with a second through hole in its bottom. The open-hole tumbler holder is provided at the conoid indentation of pallet body, and the sidewall of said conoid indentation is connected with a strip through slot 14 in its bottom. The strip through slot 14 takes a form of "L" on the plane of pallet body. The inner end of strip slot 14 communicates to the first through hole. One corner of the inner side of said pallet body is cut, and the outer end of said strip through slot 14 extends to the middle edge of the corner cut. The pallet body 1 in the embodiment of the present utility model patent is provided with a wine bottle holder and mobile phone groove 11 to place a cup and a mobile conveniently. The open-hole tumbler holder 12 facilitates the placement of glass cup such as a stem-cup.

[0034] As shown in Fig. 1-3, in the embodiment of the present invention, the snap-in connection between the fixing base and the lower clamp chuck 3 may take the following ways: the fixing base is provided with a hinged screw stem 9 with a thread; the side of lower clamp chuck 3 is provided with a hole groove 10 along the rotational plane of the screw stem 9; when upper clamp chuck 2 is close to lower clamp chuck 3, the screw stem 9 can interpose the hole groove 10. The free end of screw stem 9 is provided with a tightening knob 101 that matches the thread of screw stem 9 and its sectional size is larger than that of hole groove 10; rotate the tightening knob 101 so that it rotates around screw stem 9 until it arrives at the bottom of lower clamp chuck 3, thus fixing the fixing base and lower clamp chuck 3 and forming the aforesaid gripping mouth 4. It is shown in the figures that both the fixing base and lower clamp chuck 3 are provided with hole groove 10 to facilitate the snap-in connection of screw stem 9 in all circumstances. Of course, screw stem 9 can be hinged on the lower clamp chuck 3 and hole groove 10 is only provided at the fixing base. Moreover, the way of snap-in fixing is not only limited to the aforesaid structure of fixing, but other type of fixing is feasible.

[0035] In the embodiment of the present invention, to suit various things to hold, the fixing base and lower clamp chuck 3 are provided with clamping members at the position of gripping mouth 4 respectively. The inner wall of the clamping member is provided with an elastic buffer layer, and the outside of the clamping member is provided with fixing rods. The fixing base and lower clamp chuck 3 are provided with fixing holes, and the said fixing rods interpose the fixing holes. Thus, on the one hand the elastic buffer layer can secure the chair pallet by frictional force, fitting the chair frame better. On the other hand, by substituting the clamping members, the clamping members of different sizes can suit different things to hold. Even if no clamping members are provided, so long as the size of gripping mouth 4 matches the size of chair frame, the pallet can be secured to the chair reliably.

[0036] The chair pallet in the embodiments of the present invention has been described in detail. This paper uses examples to explain the theory and application of the present invention. Above examples are only used to help understand the core idea of the present invention. In the case of not separating from the principle of the invention, the invention can also be improved and modified, and these improvements and modifications fall within the scope of the invention.

Claims

1. A kind of chair pallet comprises pallet body (1); wherein: the chair pallet also comprises an upper clamp chuck (2) and lower clamp chuck (3); said upper clamp chuck (2) comprises a universal connecting base and a fixing base, and the said universal connecting base is provided on the fixing base with a locking member to fasten the universal connecting base, and the said pallet body (1) can be fixed on or removed from the said universal connecting base; a gripping mouth (4) is provided between the fixing base of upper clamp chuck and the lower clamp chuck, and the fixing base and/or lower clamp chuck are provided with relevant locking units to lock the clamped piece in the gripping mouth (4).

2. A kind of chair pallet according to Claim 1, wherein: the said universal connecting base comprises a first spin shaft ( 5 ), a first rotational fitting member ( 6 ), a second spin shaft ( 7 ) and a second rotational fitting member ( 8 ), and the first rotational fitting member ( 6 ) adopts a structure of included angle; one end of the first spin shaft 5 ) is fixedly connected with the fixing base while the other end of the first spin shaft ( 5 ) is at one end of first rotational fitting member (6), and the first rotational fitting member ( 6 ) rotates around the fist spin shaft ( 5 ), and a first locking unit is provided between the first spin shaft ( 5 ) and the first rotational fitting member ( 6 ); the said second spin shaft ( 7 ) is provided at the other end of the first rotational fitting member (6), and the second rotational fitting member ( 8 ) rotates around the second spin shaft ( 7 ), and a second locking unit is provided between the second rotational fitting member (8) and said second spin shaft (7); the said pallet node ( 1 ) is installed on the second rotational fitting member ( 8 ).

3. A kind of chair pallet according to Claim 2, wherein: the said first rotational fitting member (6) is connected to the fixing base. The first rotational fitting member (6) is (52) provided with a first shaft hole, and said first spin shaft (5) in provided in the first shaft hole; the first spin shaft (5) comprises a first spin shaft body (51), an unlocking button and a first elastic member (53), and the said first spin shaft body (51) is fixedly mounted on the said fixing base; the said unlocking button is provided on the first spin shaft body (51) and can only slide axially along the said first spin shaft body (51), and the first elastic member (53) is provided between the said first spin shaft body (51) and the said unlocking button to provide pretension for said unlocking button; the free end of said unlocking button is provided with a press button and multiple first latches (55) (54) below the said press button and distributed circumferentially; the said press button shaft hole 4 (54) protrudes in the first shaft hole. The said first latches (55) are limited in the inner ring in the end of the first shaft hole, and the inner ring in the end (52) of the first shaft hole is provided with multiple first slots (61) to couple with the said first latches (55). When the press button is pressed (54) down, the said first latches (55) disengage from the first slots (61), and the first rotational fitting member (6) can rotate around the first spin shaft (5).

4. A kind of chair pallet according to Claim 2 or 3, wherein: the said fixing base is provided with a mounting hole in the upper end, and the inner ring of the mounting hole is provided with a retainer ring, and the retainer ring is provided with arc indentations uniformly along the circumferential direction, and the outer ring in the connecting end of the said first rotational fitting member (6) is provided with snap rings that are arc protrusions uniformly along the outer ring, and the arc protrusions buckle the retainer rings, and the radian of the said arc protrusion is no more than that of arc indentation.

5. A kind of chair pallet according to Claim 2 or 3, wherein: the outer ring of said first spin shaft body (51) is axially provided with multiple first gib blocks, and the end of said unlocking button (52) is provided with a shaft hole, and the inner ring of shaft hole is axially provided with multiple first guide paths, and the first gib blocks are provided in the first guide paths.

6. A kind of chair pallet according to Claim 2, wherein: the said second spin shaft (7) comprises a second spin shaft body (71), a limit unit and a second elastic member (72). One end of the second spin shaft body (71) is fixedly connected with the first rotational fitting member (6), and the second spin shaft body (71) is provided in the second shaft hole. The said second elastic member (73) is provided between the second rotational fitting member (73) and the second spin shaft body (71). The limit unit (72) enters the second shaft hole and is fixedly connected with the second spin shaft body (71). The inner ring of the second shaft hole is circumferentially provided with multiple second slots (81). The outside of said limit unit is provided with a limit convex ring, and the limit convex ring contacts an annular convex ring. The outer ring of limit unit (72) at the outside of limit convex ring is provided with multiple second latches (74) be snapped-in the second slots (81). When the second rotational fitting member (72) is pressed (8) down, the second slots (81) are disengaged from the second latches (74), and the second rotational fitting member (8) can rotate around the second spin shaft (7).

7. A kind of chair pallet according to Claim 6, wherein: the limit unit (72) is provided with a shaft portion, and the inner ring of the second shaft hole is circumferentially provided with an annular convex ring, and the shaft portion matches the outer ring of the annular convex ring; or else, the inner ring of the second shaft hole is provided with multiple limit bars circumferentially, and the shaft portion matches with the outer ring formed by the multiple limit bars.

8. A kind of chair pallet according to Claim 6, wherein: the out ring of said limit unit (72) is axially provided with multiple second guide paths, and the said second spin shaft body (71) is provided with a shaft hole, and the inner ring of shaft hole is axially provided with multiple second gib blocks, and the second gib blocks are provided in the second guide paths.

9. A kind of chair pallet according to Claim 2, wherein: the said second rotational fitting member (8) is provided with a dovetail and a limit mouth, and the said pallet body (1) is provided with a dovetail-indent to suit the dovetail in its lower part (8) and is also provided with limit embossment to match the limit mouth.

10. A kind of chair pallet according to Claim 1-9, wherein: the said pallet body (1) is provided with tumbler holders and a strip slot (11), and the said tumbler holders comprise open-hole tumbler holder (12) and slot tumbler holder (13); the said pallet body (1) is also provided in its side with an opening slot (14) communicating with the open-hole tumbler holder (12).

11. A kind of chair pallet according to Claim 1-9, wherein: the said fixing base and the other end of said lower clamp chuck are hinged with a rotating shaft, and mutually locked with the other end of said lower clamp chuck; preferably, the said fixing base and the other end of said lower clamp chuck are respectively provided with hinged screw stem (9) and the hole groove (10) to accommodate the said screw stem (9); the free end of said screw stem (9) is provided with a tightening knob (101); the sectional area of said tightening knob (101) is larger than that of said hole groove (10), and matches the thread of said screw stem (9).

12. A kind of chair pallet according to Claim 1-9, wherein: the said fixing base and lower whole chuck (3) are provided with clamping members at the position of gripping mouth (4) respectively, and the inner wall of the clamping member is provided with an elastic buffer layer, and the outside of the clamping member is provided with a fixing rod, and the fixing base and lower clamp chuck are provided with fixing holes, and the said fixing rod interposes the fixing holes.