TWI644639B - Table capable of height adjustment having transformable supporting structure and transformable supporting structure - Google Patents

Abstract

A lifting table having a deformed support structure includes a deformation support structure and a table. The deformation support structure comprises a pivoting mechanism having a first side and a second side, two first upper support bars, two second upper support bars, two first lower support bars, and two second lowers Support rod. The table top pivots and the like of the first upper support rod end and the second upper support rod end, the table board includes a folded portion and two flat portions. The folding portion has a left half and a right half; wherein the lifting table is switchable between a first state and a second state, and in the first state, the first upper support bars and the first The two upper support rods are separated. In the second state, the first upper support bars are respectively separated from the second upper support bars by a pivoting mechanism, and the folded portions of the table top are located on the first upper support bars and the second upper support bars. between.

Description

Lifting table and deformation support structure with deformation support structure

The invention relates to a lifting table with a deformation supporting structure, in particular to a lifting table with a deformation supporting structure and a deformation supporting structure thereof.

The existing general tableware has a fixed desktop size and height. If there are different use requirements, it is necessary to purchase different sizes of tableware, and the tableware takes up a large space, which is for a user who does not have enough living space. Said that it will cause considerable inconvenience. Therefore, how to develop a table that can change the height and size and facilitate storage according to different needs will be an important issue.

Therefore, one of the objects of the present invention is to provide a lifting table having a deformed supporting structure, which can adjust the size and height of the table to facilitate storage and enhance the flexibility of space utilization.

Therefore, another object of the present invention is to provide a deformed support structure which can change its height, has a simple structure, and can be used as a jig.

The lifting table with the deformation supporting structure of the present invention comprises a deformation supporting structure, comprising a pivoting mechanism, having a first side and a second side opposite to the first side, two first upper supporting rods respectively The first side of the pivoting mechanism extends upwardly, and the two second upper support bars extend upward from the second side of the pivoting mechanism, respectively, and the two first lower support bars are respectively from the first pivoting mechanism a side extending downwardly, and two second lower support rods respectively extending downward from the second side of the pivoting mechanism; and a table plate pivotally connecting the first upper support rod ends of the deformation support structure And the second upper support rod end, the table includes a fold portion and two flat portions respectively connecting the two sides of the fold portion, the fold portion having a pivotally connecting one of the flat portions a left half and a right half pivotally connecting the left half and the other of the planar portions, the planar portions being pivotally connected to the first upper support rod ends of the deformation support structure, respectively The second upper support rod end; wherein the lift table is at a first Between the state and a second state, in the first state, the first upper support bars are respectively separated from the second upper support bars, and the folded portion of the table and the planar portions are in the same plane In the second state, the first upper support bars are respectively separated from the second upper support bars by the pivoting mechanism, and the folded portion of the table is folded and perpendicular to the planar portions Having the left half and the right half abut each other and between the first upper support bar and the second upper support bar, the table of the lift table and the ends of the first lower support bars The spacing is equal to the spacing of the table from the ends of the second lower support bars, and the spacing in the first state is greater than the spacing in the second state.

In some embodiments, each of the first upper support rods is coplanar with the corresponding first lower support rod and is relatively pivotable and defines an angle therebetween, and each of the second upper support rods respectively corresponds to The second lower support bar is coplanar and can be pivoted relative to each other and defines the included angle between 90 degrees and 160 degrees.

In some implementations, each of the first upper support bars is coplanar with the corresponding first lower support bars and the two are not pivotable relative to each other and define a fixed angle, and each of the second upper support bars respectively corresponds to The second lower support bar is coplanar and is not pivotable relative to each other and defines the fixed angle, the fixed angle being between 90 and 160 degrees.

In some embodiments, the pivoting mechanism of the deformation support structure has a female engagement member on the first side, a male engagement member on the second side, and a pivot, the female engagement member including a first An arcuate wall and two lugs respectively connecting the two ends of the first arcuate wall, the first arcuate wall and the lugs collectively defining an engagement slot, the first upper support bar and the first The lower support rods are respectively connected to the lugs, and the male engaging member comprises a cylindrical pivot sleeve and a connecting outer surface of the pivot sleeve and respectively extending from the two ends of the pivot sleeve a second curved wall, the pivot sleeve is pivotally received in the engaging groove of the female engaging member, and the second curved wall protrudes from the two ends of the pivoting sleeve respectively against the female The second upper support bar and the second lower support bar are respectively connected to the second arcuate wall to protrude from a portion of the two ends of the pivotal sleeve, the pivot is inserted through the female The lugs of the engaging member and the pivot sleeve of the male engaging member enable the female engaging member and the male engaging member to be axially opposite to each other Turn.

In some embodiments, each of the first upper support bars has a first body segment connecting one of the lugs and a length extending from the first body segment along the length of the first body segment a first extension of the one of the planar portions of the table, the width of the first body segment being greater than the first extension, and the first body segment and the first extension defining a first a shoulder, each second upper support bar having a second portion connecting the second curved wall to protrude from one end of the pivot sleeve a body segment and a second extension extending from the second body segment along the length of the first body segment and pivotally connecting the other of the planar portions of the table, the width of the second body segment More than the second extension, a second shoulder is defined between the second body segment and the second extension. In the second state, the first extension, the first shoulder, the first The second extension and the second shoulder together define a receiving groove for receiving the folded portion of the table.

The deformation support structure of the present invention comprises a pivoting mechanism having a first side and a second side opposite to the first side; two first upper support bars extending upward from the first side of the pivoting mechanism Two second upper support rods respectively extending upward from the second side of the pivoting mechanism; two first lower support rods respectively extending downward from the first side of the pivoting mechanism; and two Two lower support rods respectively extending downward from the second side of the pivoting mechanism; wherein the deformation support structure is switchable between a first state and a second state, in the first state, the first state The first upper support rods are respectively separated from the second upper support rods. In the second state, the first upper support rods are respectively separated from the second upper support rods by the pivoting mechanism. a distance between an end of the upper support rod and the ends of the first lower support rods is equal to a distance between the ends of the second upper support rods and the ends of the second lower support rods, and the spacing in the first state is greater than The spacing between the two states.

In some embodiments, each of the first upper support rods is coplanar with the corresponding first lower support rod and is relatively pivotable and defines an angle therebetween, and each of the second upper support rods respectively corresponds to The second lower support bar is coplanar and can be pivoted relative to each other and defines the included angle between 90 degrees and 160 degrees.

In some implementations, each of the first upper support bars and the corresponding first lower support The struts are coplanar and are not pivotable relative to each other and define a fixed angle, and each of the second upper support bars is respectively coplanar with the corresponding second lower support bars and the two are not pivotable relative to each other and define the fixed angle The fixed angle is between 90 degrees and 160 degrees.

In some embodiments, the pivoting mechanism has a female engaging member on the first side, a male engaging member on the second side, and a pivot, the female engaging member including a first curved wall and Two lugs respectively connecting the two ends of the first curved wall, the first curved wall and the lugs jointly defining a joint groove, and the first upper support rod and the first lower support rod are respectively Connecting the lugs, the male engaging member includes a cylindrical pivot sleeve and a second curved wall extending from an outer surface of the pivot sleeve and extending from opposite ends of the pivot sleeve The pivoting sleeve is pivotally received in the engaging groove of the female engaging member, and the second curved wall protrudes from the two ends of the pivoting sleeve respectively against the female engaging member a second upper support bar and the second lower support bars are respectively connected to the second arcuate wall to protrude from a portion of the two ends of the pivotal sleeve, the pivoting of the parenting member The lug and the pivot sleeve of the male engaging member enable the female engaging member and the male engaging member to pivot relative to each other about the pivot axis.

In some implementations, each of the first upper support bars has a first body segment that connects one of the lugs and a length that extends from the first body segment along a length of the first body segment. An extension portion, the width of the first body segment is greater than the first extension portion, a first shoulder portion is defined between the first body segment and the first extension portion, and each second upper support rod has a connection a second curved wall protruding from a portion of one end of the pivoting sleeve and a second extending portion extending from a length of the second body segment along the length of the first second body segment, the second body The width of the segment is greater than the second extension, and a second shoulder is defined between the second body segment and the second extension. In the second state, the The first extension, the first shoulder, the second extension and the second shoulder together define a receiving groove.

The invention has at least the following effects: the deformation support structure can be changed between the first state and the second state, and the user can adjust the height of the lifting table and the size of the desktop according to requirements, and the structure is simple and the operation is quite convenient.

10‧‧‧ deformation support structure

20‧‧‧ accommodating slots

1‧‧‧ pivoting mechanism

11‧‧‧ first side

12‧‧‧ second side

13‧‧‧Female joint parts

131‧‧‧First curved wall

131a‧‧‧First splint

132‧‧‧ lugs

133‧‧‧ joint groove

14‧‧‧Male joints

141‧‧‧Second curved wall

141a‧‧‧Second splint

142‧‧‧ pivot sleeve

15‧‧‧ pivot

2‧‧‧First upper support rod

21‧‧‧First ontology segment

22‧‧‧First extension

23‧‧‧First shoulder

3‧‧‧Second upper support rod

31‧‧‧Second body segment

32‧‧‧Second extension

33‧‧‧Second shoulder

4‧‧‧First lower support rod

5‧‧‧Second lower support rod

6‧‧‧Table board

61‧‧‧Folding

611‧‧‧left half

612‧‧‧Right half

62‧‧‧Flat Department

621‧‧‧ pivotal parts

‧‧‧‧ angle

D1‧‧‧ first height

D2‧‧‧second height

Other features and effects of the present invention will be apparent from the embodiments of the present invention, wherein: Figure 1 is a perspective view of an embodiment of a lifting table having a deformed support structure of the present invention; 3 is a side view of the embodiment, illustrating a first state of the embodiment; FIG. 4 is a side view of the embodiment, illustrating a second state of the embodiment; 5 is a perspective view of the embodiment, illustrating the second state of the embodiment.

Referring to Figure 1, an embodiment of a lifting table having a deformed support structure of the present invention is comprised of a deformed support structure 10 and a table 6 of the present invention.

Referring to FIG. 2, the deformation support structure 10 includes a pivot mechanism 1, two first upper support bars 2, two second upper support bars 3, two first lower support bars 4, and two second lower support bars 5. . The pivoting mechanism 1 has a first side 11, a second side 12 opposite to the first side 11, and a female side of the first side 11. The joint member 13 has a male engaging member 14 and a pivot 15 on the second side 12. The female engaging member 13 includes a first curved wall 131 and two lugs 132 respectively connected to opposite ends of the first curved wall 131. The first curved wall 131 is provided with eight first clamping plates 131a on the outer surface thereof. The first upper support bar 2 and the first lower support bar 4 are clamped and fixed, and the first curved wall 131 and the lugs 132 together define an engagement groove 133, and the first upper support bar 2 And the first lower support bars 4 are respectively connected to the lugs 132. The male engaging member 14 includes a cylindrical pivot sleeve 142 and a second curved wall 141 extending from the outer surface of the pivot sleeve 142 and extending from opposite ends of the pivot sleeve 142. The pivoting sleeve 142 is pivotally received by the engaging groove 133 of the female engaging member 13 , and the portion of the second curved wall 141 protruding from the two ends of the pivoting sleeve 142 respectively abuts the female joint The second lug wall 141 is provided with eight second clamping plates 141a for clamping and fixing the second upper support bars 3 and the second lower support bars 5, The second upper support rod 3 and the second lower support rods 5 are respectively connected to the second curved wall 141 to protrude from the ends of the pivot sleeve 142. The pivoting member 15 extends through the lug 132 of the female engaging member 13 and the pivoting sleeve 142 of the male engaging member 14 so that the female engaging member 13 and the male engaging member 14 can be pivoted about the pivot 15 The heart is relatively pivoted.

The first upper support bars 2 extend upward from the lugs 132 of the female engaging member 13, respectively, and each of the first upper support bars 2 has a first body segment 21 connecting one of the lugs 132. And a first extension 22 extending from the first body segment 21 along the length of the first body segment 21, the first body segment 21 having a width greater than the first extension 22, the first body segment 21 and A first shoulder 23 is defined between the first extensions 22. The second upper support rods 3 respectively extend upward from the male joint member 14, and each of the second upper support rods 3 has a second curved wall 141 protruding from one end of the pivot sleeve 142. a second body segment 31 of the portion and a second extension 32 extending from the second body segment 31 along the length of the first body segment. The width of the second body segment 31 is greater than the second extension portion 32. A second shoulder portion 33 is defined between the second body segment 31 and the second extension portion 32.

The first lower support bars 4 respectively extend downward from the lugs 132 of the female engaging member 13, and the second lower support bars 5 respectively extend downward from the male engaging members 14. Each of the first upper support rods 2 is respectively coplanar with the corresponding first lower support rods 4 and defines a fixed angle α between them, and each of the second upper support rods 3 and the corresponding second lower support rods respectively 5 coplanar and defining the angle α between the two, the angle α is preferably between 90 and 160 degrees. In this embodiment, the first upper support bar 2 and the first lower support bars 4 and the second upper support bars 3 and the second lower support bars 5 are not pivotable relative to each other. The angle α is 127.5 degrees, but not limited thereto, as long as it is feasible in the range of 90 degrees to 160 degrees. Further, in other embodiments, the first upper support bars 2 and the second upper support bars 3 are respectively opposite to the corresponding first lower support bars 4 and the second lower support bars 5, respectively. Pivoting, that is, the first upper support rod 2 and the second upper support rods 3 are movable, and the first lower support rods 4 and the second lower support rods 5 are fixed, or The first lower support bar 4 and the second lower support bar 5 are also movable, and such a design allows the user to adjust the angle of the angle α more flexibly at any time as desired by the user.

The table 6 includes a folded portion 61 and two flat portions 62 that are respectively connected to both sides of the folded portion 61. The folded portion 61 has a left half 611 pivotally coupled to one of the planar portions 62 and a right pivotally coupled to the left half 611 and the other of the planar portions 62 Half 612. Two pivoting members 621 are disposed under each of the planar portions 62. The planar portions 62 are pivotally connected to the first upper support rods 2 and the second portions of the deformed support structure 10 by the pivoting members 621, respectively. The upper end of the support rod 3.

The following describes the use of the lift table of the present invention having a deformed support structure: the lift table is switchable between a first state and a second state by the pivot mechanism 1. In the first state, the first upper support bars 2 are respectively separated from the second upper support bars 3, and the folded portion 61 of the table 6 and the planar portions 62 are located on the same plane, as shown in FIG. And Figure 3 shows. At this time, the distance between the table 6 of the lifting table and the ends of the first lower support bars 4 is equal to the distance between the table 6 and the ends of the second lower support bars 5, which is also equal to each of the first upper support bars 2 The distance between the end of the first extension 22 and the ends of the first lower support rods 4 and the distance between the end of the second extension 32 of each second upper support rod 3 and the ends of the second lower support rods 5, A first height D1. In the second state, the first upper support bars 2 are respectively separated from the second upper support bars 3 by the pivoting mechanism 1, and the first extension 22, the first shoulder 23, The second extending portion 32 and the second shoulder portion 33 jointly define a receiving groove 20, and the folded portion 61 of the table 6 is folded and perpendicular to the flat portions 62, so that the left half 611 and The right half 612 abuts against each other and is received in the accommodating groove 20 between the first upper support bar 2 and the second upper support bars 3, as shown in FIGS. 4 and 5. At this time, the distance between the table 6 of the lifting table and the ends of the first lower support bars 4 is equal to the distance between the table 6 and the ends of the second lower support bars 5, which is also equal to each of the first upper support bars 2 The distance between the end of the first extension 22 and the ends of the first lower support rods 4 and the distance between the end of the second extension 32 of each second upper support rod 3 and the ends of the second lower support rods 5, A second height D2. According to the trigonometric law, the first height D1 is greater than the second height D2, and the available area of the table 6 in the first state is larger than the available area in the second state, because the folded portion 61 is accommodated in the second state. It is accommodated in the slot 20. With such a design, the user can adjust the height of the lifting table with the deformed support structure and the size of the desktop according to the needs of the user, and the structure is simple and easy to operate, and the second state can be saved. Storage space.

Further, as mentioned previously, in other embodiments, the first upper support bars 2 and the second upper support bars 3 are respectively separable with respect to the corresponding first lower support bars 4 and the like The second lower support rod 5 is pivoted, that is, the first upper support rod 2, the second upper support rods 3, the first lower support rods 4 and the second lower support rods 5 are movable. In the first state, the first upper support bars 2 are separately separated from the second upper support bars 3, the folded portion 61 of the table 6 and the planes. The portion 62 is located on the same plane, as shown in FIG. 1 and FIG. 3, at which time the distance between the table 6 of the lifting table and the ends of the first lower support bars 4 is equal to the table 6 and the second lower supports. The distance between the ends of the rods 5 may be the first height D1, but it is adjustable because the value of the angle α may be relative to the corresponding one by the first lower support rods 4 and the second lower support rods 5, respectively. Waiting for the first upper support rod 2 and the second upper support rods 3 to pivot to adjust, if the value of the angle α is adjusted to be less than 127.5 degrees, the table of the lifting table 6 The distance from the ends of the first lower support rods 4 is equal to the distance between the table board 6 and the ends of the second lower support rods 5, which is smaller than the first height D1, and vice versa, is greater than the first height D1, so For flexibility. In the second state, the embodiment is different from the embodiment described in the previous paragraph in that the first upper support bars 2 can be respectively joined to the second upper support bars 3 by the pivoting mechanism 1, but the same The support rod 4 and the second lower support rod 5 can be kept stationary. Therefore, in the second state, the value of the angle α will be greater than the value of the angle α described in the embodiment of the previous paragraph. The distance between the table 6 and the ends of the first lower support bars 4 is equal to the distance between the table 6 and the ends of the second lower support bars 5 will be greater than the second height D2 and the first height D1. If it is necessary to adjust the distance between the table 6 of the lifting table and the ends of the first lower supporting rods 4, the first lower supporting rods 4 and the second lower supporting rods 5 are respectively directed toward the Waiting for the first upper support rod 2 and the second upper support rods 3 to pivot, and if the value of the angle α is adjusted to be less than 127.5 degrees, the table 6 of the lifting table and the first lower support rods The spacing of the ends of 4 will be less than the second height D2. With the above operation mode, the lift table will be more flexible in height adjustment.

It should be noted that the deformation support structure 10 of the present invention is not limited to cooperate with the table 6 , and can be used as a support structure of other furniture, such as a chair stool, in addition to being compatible with the table 6 , or even Used independently as a fixture. The deformation support structure 10 of the present invention can be self-resized according to user requirements during manufacture, and when used as a clamp, the first extension 22 and the second extension of each of the first upper support rod 2 and the second upper support rod 3 The segment 32 is an optional design, that is, the first upper support bar 2 and the second upper support bar 3 can be like the first lower support bar 4 and the second lower support bar 5 without a two-stage width variation.

In summary, the lifting table with the deformation supporting structure of the present invention can be changed between the first state and the second state by the deformation supporting structure 10, and the user can adjust the height of the lifting table and the size of the desktop according to requirements, and The structure is simple, the operation is quite convenient, and the conversion to the second state can also save the storage space, so the object of the present invention can be achieved.

However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the equivalent equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still The scope of the invention is covered.

Claims (10)

A lifting table having a deformed supporting structure, comprising: a deforming supporting structure, comprising a pivoting mechanism having a first side and a second side opposite to the first side, two first upper support rods, respectively The first side of the pivoting mechanism extends upwardly, and two second upper support rods respectively extend upward from the second side of the pivoting mechanism, and the two first lower support rods are respectively from the pivoting mechanism a first side extending downwardly, and two second lower support rods respectively extending downward from the second side of the pivoting mechanism; and a table board pivotally connecting the first upper support rods of the deformation support structure An end portion and the second upper support rod end, the table panel includes a folded portion and two flat portions respectively connecting the two sides of the folded portion, the folded portion having a pivotally connected one of the flat portions a left half and a right half pivotally connecting the left half and the other of the planar portions, the planar portions being pivotally connected to the first upper support rod ends of the deformed support structure, respectively And the second upper support rod end; wherein the lift table is in a Changing between a state and a second state, wherein the first upper support bars are respectively separated from the second upper support bars, and the folded portion of the table and the planar portions are in the same plane In the second state, the first upper support bars are respectively separated from the second upper support bars by the pivoting mechanism, and the folded portion of the table is folded and perpendicular to the planar portions Having the left half and the right half abut each other and located on the first upper support bar and the second upper support bar The distance between the table of the lifting table and the ends of the first lower support bars is equal to the distance between the table and the ends of the second lower support bars, and the spacing in the first state is greater than in the second The spacing in the state. A lifting table having a deformed support structure according to claim 1, wherein each of the first upper support bars is coplanar with the corresponding first lower support bars and is relatively pivotable and defines an angle therebetween. A second upper support bar is coplanar with the corresponding second lower support bar and is relatively pivotable and defines the angle between the two, the angle being between 90 degrees and 160 degrees. The lifting table with a deformed support structure according to claim 1, wherein each of the first upper support bars is coplanar with the corresponding first lower support bars and the two are not pivotable relative to each other and define a fixed angle. Each of the second upper support rods is coplanar with the corresponding second lower support rod and is not pivotable relative to each other and defines the fixed angle, the fixed angle being between 90 degrees and 160 degrees. The lifting table with a deformed support structure according to claim 1, wherein the pivoting mechanism of the deformed support structure has a female engaging member on the first side, a male engaging member on the second side, and a a pivoting member, the female engaging member includes a first curved wall and two lugs respectively connecting the two ends of the first curved wall, the first curved wall and the lugs collectively defining an engaging groove, The first upper support rod and the first lower support rods are respectively connected to the lugs, the male joint member comprises a cylindrical pivot sleeve and a connecting outer surface of the pivot sleeve and respectively a second curved wall extending from the two ends of the pivot sleeve, the pivot sleeve being pivotally received in the engagement slot of the female engaging member, the second curved wall protruding from the pivot sleeve The two ends of the tube are respectively abutted against the lugs of the female engaging member, and the second upper supporting rod and the second lower supporting rod are respectively connected to the second curved wall to protrude the pivoting sleeve a portion of the end that passes through the lugs of the female engaging member and a pivot sleeve of the male engaging member to cause the female engaging member to The male joint can pivot relative to the pivot turn. A lifting table having a deformed support structure according to claim 4, wherein each of the first upper support bars has a first body segment connecting one of the lugs and a first body segment along the first body segment a first extension of the first body segment extending in a length direction and pivotally connected to one of the planar portions of the table, the first body segment having a width greater than the first extension, the first body segment and the first body segment a first shoulder portion is defined between the first extensions, and each of the second upper support rods has a second body segment connecting the second curved wall to protrude from one end of the pivot sleeve and a second body segment a second body segment extending along a length of the first two-body segment and pivotally connected to a second extension of the other of the planar portions of the table, the second body segment having a width greater than the second extension a second shoulder is defined between the second body segment and the second extension. In the second state, the first extension, the first shoulder, the second extension, and the second The shoulders collectively define a receiving slot for receiving the fold of the table top. A deformation support structure includes: a pivoting mechanism having a first side and a second side opposite to the first side; and two first upper support rods respectively from the first side of the pivoting mechanism Extending; two second upper support rods respectively extending upward from the second side of the pivoting mechanism; two first lower support rods respectively extending downward from the first side of the pivoting mechanism; and two a second lower support bar extending downward from the second side of the pivoting mechanism, wherein the deformation support structure is switchable between a first state and a second state, and in the first state, the And the first upper support rods are respectively separated from the second upper support rods. In the second state, the first upper support rods are respectively separated from the second upper support rods by the pivoting mechanism, and the like First upper support rod end and the first lower support The spacing of the ends of the rods is equal to the spacing of the ends of the second upper support rods from the ends of the second lower support rods, and the spacing in the first state is greater than the spacing in the second state. The deformation support structure of claim 6, wherein each of the first upper support rods is coplanar with the corresponding first lower support rod and is relatively pivotable and defines an angle between each of the second upper support rods. The support rods are respectively coplanar with the corresponding second lower support rods and are relatively pivotable therebetween and define the included angles between 90 degrees and 160 degrees. The deformation support structure of claim 6, wherein each of the first upper support rods is coplanar with the corresponding first lower support rods and is not pivotable relative to each other and defines a fixed angle, each second The upper support bars are respectively coplanar with the corresponding second lower support bars and are not pivotable relative to each other and define the fixed angle, the fixed angle being between 90 degrees and 160 degrees. The deformation support structure of claim 6, wherein the pivoting mechanism has a female engaging member on the first side, a male engaging member on the second side, and a pivot, the female engaging member including a a first curved wall and two lugs respectively connecting the two ends of the first curved wall, the first curved wall and the lugs collectively defining an engaging groove, the first upper supporting rod and the first The support rods are respectively connected to the lugs, and the male joint member comprises a cylindrical pivot sleeve and a connecting outer surface of the pivot sleeve and respectively protrudes from the two ends of the pivot sleeve. a second curved wall, the pivot sleeve is pivotally received in the engaging groove of the female engaging member, and the second curved wall protrudes from the two ends of the pivoting sleeve respectively against the The second upper support bar and the second lower support bar are respectively connected to the second arcuate wall to protrude from a portion of the two ends of the pivotal sleeve, and the pivot passes through the The lugs of the female engaging member and the pivoting sleeve of the male engaging member enable the female engaging member and the male engaging member to be axially opposite to each other Pivot. The deformation support structure of claim 9, wherein each of the first upper support bars has a connection a first body segment connected to one of the lugs and a first extension extending from the first body segment along a length of the first body segment, the first body segment having a width greater than the first extension a first shoulder portion is defined between the first body segment and the first extension portion, and each of the second upper support bars has a portion connecting the second curved wall to protrude from one end of the pivot sleeve a second body segment and a second extension extending from the second body segment along the length of the first body segment, the width of the second body segment being greater than the second extension segment, the second body segment and A second shoulder is defined between the second extensions. In the second state, the first extension, the first shoulder, the second extension and the second shoulder together define a volume Set the slot.