CN207721997U - Recovery chair - Google Patents

Abstract

The utility model discloses a kind of recovery chair, it includes recovery chair ontology, recovery chair ontology includes backrest portion, it is connected to left handrail portion and the right handrail portion of backrest portion both sides, backrest portion, left handrail portion and right handrail portion surround to form a semi-open shape space for accommodating user's body, seat plate is configured in semi-open shape space, seat plate includes right baffle-plate and right shell body, one end connection left handrail portion of right baffle-plate, one end connection right handrail portion of right shell body, right baffle-plate is reserved with a gap away from the one end in left handrail portion and right shell body between the one end in right handrail portion.When user is sitting on the seat plate being made of right baffle-plate and right shell body, due to having gap, the backrest portion that there is the channel in a connection semi-open shape space between right baffle-plate and right shell body.It therefore, can be in order to being that user cleans lower body position when user is sitting on the seat plate with gap.In addition, the recovery chair can also be moved on closestool, or place a bedpan below gap, in order to user's stool and urine.

Description

Recovery chair

Technical field

The utility model is related to recovery chair field, more particularly to a kind of recovery chair.

Background technology

Disabled person especially lower part of the body paraplegia personage cannot keep balance and standing due to its special physical reason, living It moves mainly by wheelchair or recovery chair etc., and many things need completion of standing in living, and are sitting on wheelchair and are not readily accomplished, it is disabled People is mobile inconvenient between the common living facilities such as bed, wheelchair, tricycle for the disabled, such as simply gets in and out of bed or wheelchair is for paraplegia Patient is not easy, and the very simple activity for ordinary people such as wash one's face, brush teeth, cooking, cooking is typically necessary other people and helps Or completed by certain utensil, in life to take care of oneself completely, in addition wheelchair size is often bigger, many narrow places Can not pass through, for example, toilet, supermarket shelf between etc., hamper the further activity space of disabled person.

However, common recovery chair can only meet disabled person and sit, help at present, when disabled person wants to have a bath, such as want clear It washes lower body position or thinks stool and urine, it is also necessary to voluntarily move on bathtub or closestool again, during moving, recovery chair is frequent It can slip, so that disabled person falls down on the ground.

Utility model content

The main purpose of the utility model is to propose a kind of recovery chair, it is intended to clean lower body position and size convenient for user Just.

To achieve the above object, the utility model proposes recovery chair include recovery chair ontology, the recovery chair ontology packet Backrest portion is included, left handrail portion and the right handrail portion of the backrest portion both sides, the backrest portion, the left handrail portion are connected to And the right handrail portion surrounds to form a semi-open shape space for accommodating user's body, in the semi-open shape space Configured with seat plate, the seat plate includes right baffle-plate and right shell body, and one end of the right baffle-plate connects the left handrail portion, institute The one end for stating right shell body connects the right handrail portion, and the right baffle-plate is carried on the back away from the one end in the left handrail portion with the right shell body It is reserved with a gap between one end from the right handrail portion.

Preferably, the backrest portion includes one on the other in the upper by taking over and descending by taking over of side-by-side horizontal setting；It is described Left handrail portion includes one in front and one in back in the first left support bar and the second left support bar being vertically arranged side by side, first left support The upper end of bar is connected with the upper end of the second left support bar by left handrail bar, the lower end of the first left support bar and described The lower end of second left support bar is connected by bottom left carrier bar, and idler wheel is equipped with below the bottom left carrier bar；The right side Armrest part includes one in front and one in back in the first right support bar and the second right support bar being vertically arranged side by side, the first right support bar Upper end connected by right handrail bar with the upper end of the second right support bar, the lower end of the first right support bar and described The lower end of two right support bars is connected by right bottom carrier bar, and idler wheel is also equipped with below the right bottom carrier bar；On described Left and right ends by taking over are separately connected the second left support bar and the second right support bar, the lower left and right ends by taking over Also the second left support bar and the second right support bar are separately connected；Between the left handrail bar and the bottom left carrier bar also It is provided with a left connecting rod, the both ends of the left connecting rod are separately connected the first left support bar and second left support One end of bar, the right baffle-plate connects the left connecting rod；It is also set up between the right handrail bar and the right bottom carrier bar There are a right connecting rod, the both ends of the right connecting rod to be separately connected the first right support bar and the second right support bar, institute The one end for stating right shell body connects the right connecting rod.

Preferably, one end of the right baffle-plate is rotatablely connected the left connecting rod, one end rotation connection of the right shell body The right connecting rod, the recovery chair further include stop configurations；When the relatively described left connecting rod of the right baffle-plate turn to it is horizontal When state, the stop configurations carry out backstop to the right baffle-plate, so that the right baffle-plate keeps horizontality；When the right shell body When the relatively described right connecting rod turns to horizontality, the stop configurations carry out backstop to the right shell body, so that the right side Baffle keeps horizontality.

Preferably, the stop configurations are L-shaped left comer iron and L-shaped right corner iron, and one end of the left comer iron is solid By taking under described, the other end of the left comer iron to carry the right baffle-plate, also fix by one end of the right corner iron In described lower by taking over, the other end of the right corner iron is carrying the right shell body.

Preferably, which further includes limit assembly；When the relatively described left connecting rod of the right baffle-plate turns to vertically When state, the limit assembly limits the right baffle-plate so that the right baffle-plate keeps vertical state, when the right gear When the relatively described right connecting rod of plate turns to vertical state, the limit assembly is limited to the right shell body so that the right side Baffle keeps vertical state.

Preferably, the limit assembly is the first magnet mounted on the right baffle-plate and the mounted on the right shell body Two magnet；When the relatively described left connecting rod of the right baffle-plate turns to vertical state, the first magnet magnetic absorption is in institute State the first left support bar, the second left support bar or the left handrail bar；When the relatively described right connecting rod of the right shell body turns When moving to vertical state, the second magnet magnetic absorption is helped in the first right support bar, the second right support bar or the right side Hand lever.

Preferably, which further includes a fixedly connected part, and the fixedly connected part is for connecting the recovery chair sheet The bogey of body and carrying user.

Preferably, the fixedly connected part is a hook, hanging buckle or hawser.

Preferably, the bogey for carrying user is bed, sofa or vehicle.

Preferably, the fixedly connected part includes a socket tube, faces away from the socket from the outer wall of the socket tube Cylinder outside wall surface side extend straight bar section and positioned at the straight bar section away from the socket tube one end hook portion；It is described Socket tube pivot bush unit is on the first right support bar, so that the socket tube can go up downslide along the first right support bar Dynamic and relative rotation；Or the socket tube pivot bush unit is on the first left support bar, so that the socket tube is along institute Stating the first left support bar can slide up and down and relatively rotate.

Preferably, above-mentioned upper to could alternatively be upper abutment plate by taking over；It is above-mentioned lower to be leaned on by taking over to could alternatively be down Fishplate bar.

As described above, when user is sitting on the seat plate being made of right baffle-plate and right shell body, due to right baffle-plate and the right side Between baffle have gap, therefore, when user is sitting on the seat plate with gap, can in order to be user cleaning Lower body position.In addition, the recovery chair can also be moved on closestool, or place a bedpan below gap, in order to make User's stool and urine.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the structural schematic diagram of one embodiment of the utility model recovery chair；

Fig. 2 is another use state diagram of recovery chair in Fig. 1.

Drawing reference numeral explanation：

10 recovery chair ontologies

5 fixedly connected parts

1 backrest portion

By taking on 11

12 and lower by taking over

The channel in the 13 connection semi-open shape spaces

2 left handrail portions

21 first left support bars

22 second left support bars

23 left handrail bars

24 bottom left carrier bars

25 left connecting rods

26 right baffle-plates

3 right handrail portions

31 first right support bars

32 second right support bars

33 right handrail bars

34 right bottom carrier bars

35 right connecting rods

36 right shell bodies

4 semi-open shape spaces

41 gaps

51 socket tubes

52 straight bar sections

53 hook portions

6A left comer iron

6B right corner iron

7 idler wheels

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, shall fall within the protection scope of the present invention.

If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in the picture) Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.

If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Personnel can be implemented as basis, will be understood that this technical side when the combination of technical solution appearance is conflicting or cannot achieve The combination of case is not present, also not within the protection domain of the requires of the utility model.

The utility model proposes a kind of recovery chairs.

Fig. 1 is the structural schematic diagram of one embodiment of the utility model recovery chair；Fig. 2, which is that recovery chair is another in Fig. 1, uses shape State schematic diagram.Incorporated by reference to referring to Figures 1 and 2, the recovery chair that the present embodiment is provided, including recovery chair ontology 10, recovery chair sheet Body 10 includes backrest portion 1, is connected to left handrail portion 2 and the right handrail portion 3 of 1 both sides of backrest portion, backrest portion 1, left handrail portion 2 And right handrail portion 3 surrounds to form a semi-open shape space 4 for accommodating user's body, is configured in semi-open shape space 4 There is seat plate, when user's body is placed in semi-open shape space 4, can be sitting on the seat plate.

In the present embodiment, backrest portion 1 includes one on the other in the upper by take over 11 and lower by taking over of side-by-side horizontal setting 12.Certainly, in other embodiments, in order to which the back of user leans against in the backrest portion 1 more comfortably, can also be abutted against by Pipe 11 and it is lower make plate-like structure by take over 12, that is, form upper abutment plate one on the other and lower abutment plate.

Left handrail portion 2 include be in one in front and one in back the first left support bar 21 and the second left support bar 22 that are vertically arranged side by side, The upper end of first left support bar 21 and the upper end of the second left support bar 22 are connected by left handrail bar 23, the first left support bar 21 Lower end and the lower end of the second left support bar 22 are connected by bottom left carrier bar 24, and 24 lower section of bottom left carrier bar is equipped with idler wheel 7。

Right handrail portion 3 include be in one in front and one in back the first right support bar 31 and the second right support bar 32 that are vertically arranged side by side, The upper end of first right support bar 31 and the upper end of the second right support bar 32 are connected by right handrail bar 33, the first right support bar 31 Lower end and the lower end of the second right support bar 32 are connected by right bottom carrier bar 34, and 34 lower section of right bottom carrier bar is equipped with idler wheel 7。

It is upper to be separately connected the second left support bar 22 and the second right support bar 32 by the left and right ends of take over 11, it is lower by take over 12 Left and right ends be also separately connected the second left support bar 22 and the second right support bar 32.In other embodiments, according to required Structural strength and the requirement of integrally-built lightweight, can unrestricted choice by the quantity taken over.

Wherein, lower that certain height distance is reserved between take over 12 and ground, the lower structure between take over 12 and ground At the channel 13 for being connected to the semi-open shape space 4, as long as height of the height distance higher than the height of bedpan or higher than closestool Use can be met.

A left connecting rod 25, the both ends point of left connecting rod 25 are additionally provided between left handrail bar 23 and bottom left carrier bar 24 The first left support bar 21 and the second left support bar 22 are not connected, and one end of right baffle-plate 26 connects left connecting rod 25.

A right connecting rod 35, the both ends point of right connecting rod 35 are additionally provided between right handrail bar 33 and right bottom carrier bar 34 The first right support bar 31 and the second right support bar 32 are not connected, and one end of right shell body 36 connects right connecting rod 35.

Seat plate includes right baffle-plate 26 and right shell body 36, and one end of right baffle-plate 26 connects left connecting rod 25, right shell body 36 One end connects right connecting rod 35, and right baffle-plate 26 deviates from one end of right connecting rod 35 away from one end of left connecting rod 25 with right shell body 36 Between be reserved with a gap 41.The width in gap 41 is generally greater than 5cm, according to the average somatotype of Chinese, gap selection Proper between 10cm -15cm, certainly, when user's build is excessive or too small, the width in the gap 41 can be with root According to user's build unrestricted choice.

Wherein, backrest portion 1, left handrail portion 2 and right handrail portion 3 can effectively mitigate the whole of the recovery chair using rod-like structure Body weight, such as stainless steel tube can be used to make the general frame of the recovery chair, the steel pipe welding of segmentation can also be used to fetch The general frame of the recovery chair is made, the general frame of the recovery chair can also be made by bending steel pipe.

In addition, the bottom due to the recovery chair has idler wheel 7, moving freely for the recovery chair can be convenient for, idler wheel 7 is excellent Choosing uses universal wheel.

When user is sitting on the seat plate being made of right baffle-plate 26 and right shell body 36, due to right baffle-plate 26 and right shell body Between 36 have gap 41, therefore, when user is sitting on the seat plate with gap 41, can in order to for user it is clear Wash lower body position.In addition, due to the lower reserved height being reserved between take over 12 and ground higher than bedpan or higher than closestool, i.e., It is lower that the channel 13 for being connected to the semi-open shape space 4 is constituted between take over 12 and ground, as long as and the height distance is higher than just The height of basin can meet use higher than the height of closestool.For example, can be directly logical through the semi-open shape space 4 by bedpan Road 13 is directly placed at 41 lower section of gap between right baffle-plate 26 and right shell body 36.Or the recovery chair is moved directly into closestool Top, i.e. closestool can be accommodated in semi-open shape space 4, and be faced under the gap 41 between right baffle-plate 26 and right shell body 36 Side, and then in order to user's stool and urine.

It is further preferred that one end of right baffle-plate 26 is rotatablely connected left connecting rod 25, one end rotation connection of right shell body 36 is right Connecting rod 35, the recovery chair further include stop configurations, when left connecting rod 25 turns to horizontality to right baffle-plate 26 relatively, backstop Structure carries out backstop to right baffle-plate 26, so that right baffle-plate 26 keeps horizontality；When right shell body 36 is rotated relative to right connecting rod 35 When to horizontality, stop configurations carry out backstop to right shell body 36, so that right shell body 36 keeps horizontality.

Specifically, in the present embodiment, stop configurations are L-shaped left comer iron 6A and L-shaped right corner iron 6B, left comer iron One end of 6A is fixed on down by take over 12, and for the other end of left comer iron 6A to carry right baffle-plate 26, one end of right corner iron 6B is also solid Due to lower by take over 12, the other end of right corner iron 6B is carrying right shell body 36.In this way, the lower height by take over 12 will be above a left side The height of baffle 26 and right shell body 36.

And in other embodiments, stop configurations can be projection in the first left support bar 21 and the second left support bar 22 Block, to stop and carry right baffle-plate 26；And projection the first right support bar 31 or projection the second right support bar 32 gear Block, to stop and carry right shell body 36.As long as being designed with the structure that one can stop and carry right baffle-plate 26 and right shell body 36 Correlation design both is within the protection scope of the present invention.

Meanwhile the recovery chair further includes limit assembly, when left connecting rod 25 turns to vertical state to right baffle-plate 26 relatively, Limit assembly limits right baffle-plate 26 so that right baffle-plate 26 keeps vertical state, when relatively right 35 turns of the connecting rod of right shell body 36 When moving to vertical state, limit assembly limits right shell body 36 so that right shell body 36 keeps vertical state.Specifically, at this In embodiment, limit assembly is mounted on the first magnet (not shown) of right baffle-plate 26 and mounted on the second magnet of right shell body 36 (not shown), when left connecting rod 25 turns to vertical state to right baffle-plate 26 relatively, the first magnet magnetic absorption is in the first left branch Strut 21, the second left support bar 22 or left handrail bar 23；When right connecting rod 35 turns to vertical state to right shell body 36 relatively, Two magnet magnetic absorptions are in the first right support bar 31, the second right support bar 32 or right handrail bar 33.And in other embodiments, limit Hyte part can also use snap component, for example, open up button hole on right baffle-plate 26, and on left handrail bar 23 it is corresponding open up with The button platform of the button hole snapping realizes the limit to right baffle-plate 26 by the snapping of button hole and button platform.

Wherein, when right baffle-plate 26 and right shell body 36 need not be used, right baffle-plate 26 and right shell body 36 need to only be turned to Vertical state, by the suction-operated of the first magnet and the second magnet, to limit right baffle-plate 26 and right shell body 36 vertical State, in this way, user can be hand steered left handrail bar 23 and right handrail bar 33 carry out leg exercises.And it needs to use right baffle-plate 26 and when right shell body 36, then right baffle-plate 26 and right shell body 36 are turned into horizontality, so that right baffle-plate 26 and right shell body 36 are divided It is not overlapped on left comer iron 6A and right corner iron 6B.

Further, the recovery chair that the present embodiment is provided further includes fixedly connected part 5, and fixedly connected part 5 is used for health Multiple chair ontology 10 and the bogey of carrying user link together.In left handrail portion 2 and right handrail portion 3 at least within it One is connected and fixed connector 5.

In the present embodiment, it is a hook with fixedly connected part 5, the bogey for carrying user can be for bed Example illustrates.Certainly, in other embodiments, fixedly connected part 5 can also be a hanging buckle or hawser.For carrying user's Bogey can be with sofa or vehicle etc..

In the present embodiment, it by being articulated in the gap on edge of bed side, or is articulated on head of a bed guardrail, to by health Multiple chair ontology 10 and bed connect.In this way, the user of legs and feet inconvenience when being moved to recovery chair ontology 10 from the bed or When being moved on bed from recovery chair ontology 10, recovery chair ontology 10 will not slip, and then user is avoided to fall down on the ground.

Preferably, in the present embodiment, fixedly connected part 5 includes a socket tube 51, supports or opposes from the outside wall surface of socket tube 51 The straight bar section 52 that outside wall surface side from socket tube 51 extends and the hook positioned at straight bar section 52 away from one end of socket tube 51 Portion 53；51 pivot bush unit of socket tube is on the first right support bar 31, so that socket tube 51 can be upper and lower along the first right support bar 31 Sliding and relative rotation；Or 51 pivot bush unit of socket tube is on the first left support bar 21, so that socket tube 51 is along first left side Supporting rod 21 can be slided up and down and be relatively rotated.And in other embodiments, fixedly connected part 5 or a directly welding Iron hook on the first left support bar 21 or the first right support bar 31.

By taking the first right support bar 31 as an example, since hook portion 53 can be moved up and down with respect to the first right support bar 31 and around the One right support bar 31 rotates, and therefore, when in face of the bed or vehicle of different height, can arbitrarily adjust the height of hook portion 53. To be lived with the bed or vehicle hook joint.And when the fixedly connected part 5 need not be used, fixedly connected part 5 need to only be turned to The inside in semi-open shape space 4, and then user flexibility is facilitated to use.

Generally speaking, this recovery chair can solve the daily life of hemiplegia patient, such as eat, and drink, and draw, wash, bunk bed etc. It takes care of oneself, is nursed without other people.

The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention, It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of recovery chair, which is characterized in that including recovery chair ontology, the recovery chair ontology includes backrest portion, is separately connected Left handrail portion in the backrest portion both sides and right handrail portion, the backrest portion, the left handrail portion and the right handrail portion It surrounds to form a semi-open shape space for accommodating user's body, seat plate, institute is configured in the semi-open shape space It includes right baffle-plate and right shell body to state seat plate, and one end of the right baffle-plate connects the left handrail portion, one end of the right shell body The right handrail portion is connected, the right baffle-plate deviates from the right handrail portion away from the one end in the left handrail portion with the right shell body One end between be reserved with a gap, the backrest portion has the channel in a connection semi-open shape space.

2. recovery chair as described in claim 1, which is characterized in that the backrest portion includes at least one by taking over/abutment plate, institute It is in one in front and one in back the first left support bar and the second left support bar being vertically arranged side by side, the first left branch to state left handrail portion to include The upper end of strut is connected with the upper end of the second left support bar by left handrail bar, the lower end of the first left support bar and institute The lower end for stating the second left support bar is connected by bottom left carrier bar, and idler wheel is equipped with below the bottom left carrier bar；

The right handrail portion include be in one in front and one in back the first right support bar and the second right support bar that are vertically arranged side by side, described the The upper end of one right support bar is connected with the upper end of the second right support bar by right handrail bar, under the first right support bar End is connected with the lower end of the second right support bar by right bottom carrier bar, and rolling is also equipped with below the right bottom carrier bar Wheel；

It is described by take over/left and right ends of abutment plate are separately connected the second left support bar and the second right support bar, described to lean on Take over/be reserved between abutment plate and ground certain height distance, it is described described in take over/constituted between abutment plate and ground It is connected to the channel in the semi-open shape space；

A left connecting rod, the both ends point of the left connecting rod are additionally provided between the left handrail bar and the bottom left carrier bar The first left support bar and the second left support bar are not connected, and one end of the right baffle-plate connects the left connecting rod；

A right connecting rod, the both ends point of the right connecting rod are additionally provided between the right handrail bar and the right bottom carrier bar The first right support bar and the second right support bar are not connected, and one end of the right shell body connects the right connecting rod.

3. recovery chair as claimed in claim 2, which is characterized in that one end of the right baffle-plate is rotatablely connected the left connection One end of bar, the right shell body is rotatablely connected the right connecting rod, which further includes stop configurations；

When the relatively described left connecting rod of the right baffle-plate turns to horizontality, the stop configurations carry out the right baffle-plate Backstop, so that the right baffle-plate keeps horizontality；

When the relatively described right connecting rod of the right shell body turns to horizontality, the stop configurations carry out the right shell body Backstop, so that the right shell body keeps horizontality.

4. recovery chair as claimed in claim 3, which is characterized in that the stop configurations are L-shaped left comer iron and L-shaped Right corner iron, one end of the left comer iron are fixed on described by taking over/abutment plate, and the other end of the left comer iron is to described in carrying Right baffle-plate, one end of the right corner iron also are secured to described by taking over/abutment plate, and the other end of the right corner iron is to carry State right shell body.

5. recovery chair as claimed in claim 3, which is characterized in that the recovery chair further includes limit assembly；

When the relatively described left connecting rod of the right baffle-plate turns to vertical state, the limit assembly carries out the right baffle-plate Limit so that the right baffle-plate keep vertical state,

When the relatively described right connecting rod of the right shell body turns to vertical state, the limit assembly carries out the right shell body It limits so that the right shell body keeps vertical state.

6. recovery chair as claimed in claim 5, which is characterized in that the limit assembly is mounted on the first of the right baffle-plate Magnet and the second magnet mounted on the right shell body；

When the relatively described left connecting rod of the right baffle-plate turns to vertical state, the first magnet magnetic absorption is in described One left support bar, the second left support bar or the left handrail bar；

When the relatively described right connecting rod of the right shell body turns to vertical state, the second magnet magnetic absorption is in described One right support bar, the second right support bar or right handrail bar.

7. recovery chair as claimed in claim 2, which is characterized in that the recovery chair further includes a fixedly connected part, the fixation Connector is used to connect the recovery chair ontology and carry the bogey of user.

8. recovery chair as claimed in claim 7, which is characterized in that the fixedly connected part is a hook, hanging buckle or hawser.

9. recovery chair as claimed in claim 7, which is characterized in that the bogey for carrying user is bed, sand Hair or vehicle.

10. the recovery chair as described in any one of claim 7 to 9, which is characterized in that the fixedly connected part includes a set of The straight bar section and be located at described that connect cylinder, the outside wall surface side that the socket tube is faced away from from the outer wall of the socket tube extend Hook portion of the straight bar section away from one end of the socket tube；

The socket tube pivot bush unit is on the first right support bar, so that the socket tube is along the first right support bar energy It enough slides up and down and relatively rotates；Or the socket tube pivot bush unit is on the first left support bar, so that the set Connect cylinder can be slided up and down and be relatively rotated along the first left support bar.