CN209610657U - A kind of municipal administration flowerpot rack - Google Patents

Abstract

The utility model relates to municipal technical fields, in particular to a kind of municipal flowerpot rack, including the body frame extended along the vertical direction, multiple support components are evenly arranged on the circumferential surface of body frame, the support component includes horizontal support plate, support plate extends to the direction far from body frame, the horizontal bearing plate for placing flowerpot is provided with far from one end of body frame in support plate, support plate extends to inside body frame far from one end of bearing plate, one end of bearing plate is provided with horizontal rotating shaft in support plate, rotation axis and body frame are rotatablely connected, the axis direction of rotation axis and the extending direction of support plate are perpendicular, the groove for accommodating support component is offered on the circumferential surface of body frame, the limit assembly for being limited to support plate is provided on body frame, convenient transportation is reached, improve the conevying efficiency of staff, when saving Between effect with manpower.

Description

A kind of municipal administration flowerpot rack

Technical field

The utility model relates to municipal technical field, in particular to a kind of municipal flowerpot rack.

Background technique

At present in municipal systems, the placement of flowerpot can play the effect beautified the environment and cross air filtering, to entirety The appearance of the city, which has, preferably to be set off, therefore is widely used in town road two sides.

The Chinese patent of existing Publication No. CN207476307U discloses a kind of adjustable town road flowerpot and puts Frame, including pedestal are set, the top of the pedestal is equipped with footstock, and the footstock is connected by support rod with pedestal, the support rod Outer wall fixing sleeve is installed, the outside of the fixing sleeve is equipped with support ring, and the support ring passes through connecting rod and fixing sleeve phase Even, the outer wall surrounding of the support ring is mounted on cylinder, and the outer wall top of the cylinder is equipped with snap ring, the snap ring it is outer Side is equipped with body, and the inner wall of the body is equipped with thread barrel, and the inner cavity bottom end of the cylinder is equipped with deck, the cylinder Inner wall surrounding is equipped with sliding slot, and the outer wall surrounding of the deck is mounted on sliding block, and the sliding block matches with sliding slot.

Prior art among the above, which has the following deficiencies:, to need to place flower in the two sides of town road in staff It is existing during staff transports rack if staff uses existing flowerpot rack when basin Flowerpot rack can occupy a large amount of space, it has not been convenient to transport, can thus reduce the conevying efficiency of staff, waste is big The time of amount and manpower.

Utility model content

The purpose of the utility model is to provide a kind of municipal flowerpot racks, have reached convenient transportation, have improved staff Conevying efficiency, save the effect of time and manpower.

The above-mentioned technical purpose of the utility model has the technical scheme that

It is a kind of municipal administration flowerpot rack be evenly arranged on the circumferential surface of body frame including the body frame extended along the vertical direction Multiple support components, the support component include horizontal support plate, and support plate extends to the direction far from body frame, in support plate One end far from body frame is provided with the horizontal bearing plate for placing flowerpot, and support plate extends to body frame far from one end of bearing plate Inside is provided with horizontal rotating shaft far from one end of bearing plate in support plate, and rotation axis and body frame are rotatablely connected, the axis of rotation axis The extending direction of line direction and support plate is perpendicular, and the groove for accommodating support component, In are offered on the circumferential surface of body frame The limit assembly for being limited to support plate is provided on body frame.

By using above scheme, when staff uses flowerpot rack, staff is using limit assembly to branch The position of support component is defined, and so that support plate and bearing plate is kept horizontality, such staff can be by flowerpot It is placed into the upper surface of bearing plate；Then when staff needs to move the position of rack, staff can be with Support component is turned to the inside grooves of body frame, and support component is fixed on inside grooves using limit assembly.In this way Just reach convenient transportation, improved the conevying efficiency of staff, saves the effect of time and manpower.

The utility model is further arranged to, and the two sides of the support plate is provided with T-type sliding block, the setting of T-type sliding block exists The one end of support plate far from bearing plate and be embedded into inside body frame, rotation axis extend to inside T-type sliding block and with T-type sliding block Rotation connection, vertical sliding slot compatible with T-type sliding block is offered inside body frame, the side of support plate is provided with drive The rotating member that T-type sliding block moves up and down inside sliding slot.

By using above scheme, when staff uses rack, flowerpot is placed into bearing plate by staff After upper surface, staff can be used rotating member and T-type sliding block driven to move up inside sliding slot, and such T-type sliding block is just Support component can be driven to move up on body frame, the height of flowerpot can be promoted in this way, reach and facilitated sight Reward, and prevent the effect of passerby damage flowers and plants.

The utility model is further arranged to, and rotating member includes rotational lead screw, and rotational lead screw is vertically arranged in the upper of body frame Side, rotational lead screw are extended downwardly and are extended to inside sliding slot after the upper surface of body frame, the lower end and T of rotational lead screw The upper surface of type sliding block is rotatablely connected, and rotational lead screw is threadedly coupled with body frame.

By using above scheme, when staff needs that the height of flowerpot is adjusted, staff is to rotation Lead screw is rotated, because rotational lead screw is threadedly coupled with body frame, and rotational lead screw and T-type sliding block are rotatablely connected, so Rotational lead screw rotate when, rotational lead screw will drive the flowerpot inside T-type sliding block, support component and support component upwards or It moves down.The adjusting to height of flowerpot is just completed in this way.

The utility model is further arranged to, and the through slot through itself is offered on the circumferential surface of the rotational lead screw, is led to Slot extends along the vertical direction, is internally provided with adjusting rod in through slot, and the both ends of adjusting rod are located at the outside of rotational lead screw, adjusts Pole is located at the top of body frame.

By using above scheme, adjusting rod is can be used to drive rotational lead screw to rotate in staff, in this way can be square Just the height of flowerpot is adjusted in staff；Because adjusting rod is located inside through slot, and through slot extends along the vertical direction, So adjusting rod can move up or down inside through slot as rotational lead screw moves up, thus reach To avoiding because of adjusting rod excessive height, lead to the effect that staff is inconvenient to use.

The utility model is further arranged to, and limit assembly includes caging bolt, and the outside of body frame is arranged in caging bolt, And the two sides of support plate are arranged in caging bolt, offer on side of the body frame close to support plate and to extend along the vertical direction Via hole, caging bolt extend to inside T-type sliding block after extending through via hole to the direction close to body frame and push against rotation axis Circumferential surface.

By using above scheme, when state of the staff to support component is changed, staff first unclamps Caging bolt, then staff again rotates support plate, and support plate will drive rotation axis in T-type sliding block inner rotation, After the position of support component is adjusted properly, staff can again be tightened caging bolt, can will support group in this way The position of part is fixed.

The utility model is further arranged to, and connection component, connection group are provided between the support plate and bearing plate Part includes fixing pipe, and side of the support plate close to bearing plate is arranged in fixing pipe, is arranged in fixing pipe far from the side of support plate There is a telescopic rod, the extending direction of telescopic rod and fixing pipe is identical as the extending direction of support plate, and telescopic rod is close to solid The one end for determining pipe extends to inside fixing pipe, is provided between fixing pipe and telescopic rod and stretches out fixing pipe for adjusting telescopic rod Length regulating part.

By using above scheme, when staff carrys out supporting flowerpot using the rack, because of the flower inside flowerpot Grass seeds class is different, and the flowers and plants speed of growth is different, and staff can be according to the speed of growth of flowers and plants between bearing plate and body frame Distance be adjusted, thus achieved the effect that prevent rack from inhibiting the growth of flowers and plants.

The utility model is further arranged to, and the regulating part includes adjusting ring, adjusts ring setting in fixing pipe close to holding The end of fishplate bar and with fixing pipe be rotatablely connected, adjust ring be arranged on the circumferential surface of telescopic rod and with telescopic rod screw thread connect It connects.

By using above scheme, staff to bearing plate between body frame at a distance from be adjusted when, work people Member rotates to ring is adjusted, because adjusting ring and fixing pipe rotation connection, and adjusts ring and is threadedly coupled with telescopic rod, so When adjusting ring rotation, telescopic rod and bearing plate will be driven mobile to the direction close to or far from body frame, it is thus complete At the adjusting to Board position is accepted.

The utility model is further arranged to, on the circumferential surface for adjusting ring setting there are two auxiliary rod, auxiliary rod to Extend far from the direction for adjusting ring, and two auxiliary rods extend in the opposite direction on the circumferential surface for adjusting ring.

By using above scheme, auxiliary rod can be convenient staff and rotate to ring is adjusted；Because there are two altogether Auxiliary rod, and auxiliary rod extends to far from the direction for adjusting ring, and two auxiliary rods on the circumferential surface for adjusting ring to opposite Direction extend, can guarantee auxiliary rod in this way or enter the inside grooves of body frame.

The utility model is further arranged to, and under bearing plate horizontality, is provided with above bearing plate cricoid Fence.

By using above scheme, under rack use state, flowerpot is placed on the upper table of bearing plate by staff Face, the fence above bearing plate is more stable when can prevent flowerpot from encountering high wind, has thus reached and has protected to flowerpot Effect.

The utility model is further arranged to, and restraining position ring block is arranged on the circumferential surface of the adjusting rod, and stop collar setting exists The two sides of rotational lead screw, and the circumferential surface of stop collar and rotational lead screw abuts against.

By using above scheme, stop collar can not only prevent position of the adjusting rod inside through slot from shifting, and And it can prevent adjusting rod from losing.

In conclusion the utility model has following technical effect that

1. opening up reeded body frame and limit assembly by being provided with, do not need in staff using support component When, support component is fixed to inside grooves using limit assembly by staff, when staff needs using support component, Support component is fixed on the outside of groove by limit assembly by staff, has reached and staff is facilitated to use, and square Just rack is transported, saves the effect of time and manpower；

2. by being provided with rotational lead screw and T-type sliding block, rotational lead screw can drive support component to exist by T-type sliding block It is moved up or down on body frame, has reached and not only facilitated staff that flowerpot is placed into support component, and convenient pair Flowers and plants are watched, and prevent passerby from causing the effect of damage to sliding slot；

3. by being provided with adjusting rod and stop collar, adjusting rod can be convenient staff and revolve to rotational lead screw Turn, stop collar can prevent in rack transportational process, and gag lever post is lost.

Detailed description of the invention

Fig. 1 is the overall structure figure of rack；

Fig. 2 is the overall structure figure of support component；

Fig. 3 is partial enlarged view at A in Fig. 1；

Fig. 4 is partial enlarged view at B in Fig. 1；

Fig. 5 is partial enlarged view at C in Fig. 1.

In figure, 1, body frame；11, groove；12, via hole；2, support component；21, support plate；22, bearing plate；23, fence； 24, rotation axis；25, caging bolt；26, T-type sliding block；27, rotational lead screw；271, through slot；28, adjusting rod；29, stop collar；3, Connection component；31, fixing pipe；32, telescopic rod；33, ring is adjusted；34, auxiliary rod.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Referring to Fig.1, the utility model provides a kind of municipal flowerpot rack, including body frame 1 and four support components 2, body frame 1 is vertically arranged on the ground, the cross sectional shape of body frame 1 be it is rectangular, four support components 2 are separately positioned on body frame 1 On four sides and flowerpot can be supported.

Referring to Fig.1, support component 2 includes support plate 21 and bearing plate 22, and support plate 21 is horizontally set on the one of body frame 1 Side, support plate 21 is positioned close to the position of 1 lower end surface of body frame, and support plate 21 extends to the direction far from body frame 1, accepts Plate 22 is horizontally set on side of the support plate 21 far from body frame 1.When staff uses rack, staff puts flowerpot It sets in the upper surface of bearing plate 22.

Referring to Fig.1, after flowerpot is placed into the upper surface of bearing plate 22 by staff, flowerpot encounters by force in order to prevent It is fallen on ground when wind, causes flowerpot damaged, the top of bearing plate 22 is provided with fence 23.

Referring to Figures 1 and 2, rack is transported in order to facilitate staff, facilitate staff to rack into It exercises and uses, the groove 11 for being used to accommodate support component 2 extended along the vertical direction is offered on four sides of body frame 1, Groove 11 is located at the top of support plate 21, and support plate 21 extends to inside groove 11 close to one end of body frame 1, leans in support plate 21 One end of nearly body frame 1 is provided with horizontal rotation axis 24, and the axis direction of rotation axis 24 mutually hangs down with the extending direction of support plate 21 Directly, support plate 21 is fixedly connected with rotation axis 24, and rotation axis 24 and body frame 1 are rotatablely connected, and is provided on body frame 1 for branch The limit assembly that fagging 21 is limited.

When staff needs using support component 2, staff is made inside support component 2 by limit assembly Bearing plate 22 keeps horizontal, and then flowerpot is placed on bearing plate 22 by staff again；It uses in staff when placing After end, support component 2 is fixed on inside the groove 11 of body frame 1 by staff by limit assembly, can thus be subtracted The occupied area of few rack.Achieve the effect that staff is facilitated to transport rack.

Referring to Figure 1 and Figure 3, the two sides of support plate 21 are provided with T-type sliding block 26, T-type sliding block 26 is arranged in support plate 21 One end far from bearing plate 22 and it is embedded into inside body frame 1, rotation axis 24 extends to the inside of T-type sliding block 26 and sliding with T-type Block 26 is rotatablely connected, and vertical sliding slot compatible with T-type sliding block 26 is offered inside body frame 1, in the side of support plate 21 It is provided with the rotating member for driving T-type sliding block 26 to move up and down inside sliding slot.When staff uses rack, staff Flowerpot is placed into the upper surface of bearing plate 22, staff can be used rotating member drive T-type sliding block 26 inside sliding slot to Upper movement, such T-type sliding block 26 can drive support component 2 to move up on body frame 1, in this way can be to the height of flowerpot Degree is promoted, and has been reached convenience and has been watched, and prevents the effect of passerby damage flowers and plants.

Referring to Fig.1 and Fig. 4, rotating member include rotational lead screw 27, and rotational lead screw 27 is vertically arranged in the top of body frame 1, are turned The upper surface that dynamic lead screw 27 extends downwardly through body frame 1 extends to inside sliding slot later, and the lower end and T of rotational lead screw 27 Type sliding block 26(is shown in Fig. 3) upper surface rotation connection, rotational lead screw 27 is threadedly coupled with body frame 1.It needs in staff to flower When the height of basin is adjusted, staff rotates rotational lead screw 27, because rotational lead screw 27 and 1 screw thread of body frame connect It connects, and rotational lead screw 27 and T-type sliding block 26 are rotatablely connected, so rotational lead screw 27 will band when rotational lead screw 27 rotates Flowerpot inside dynamic T-type sliding block 26, support component 2 and support component 2 moves up.It just completes to flower in this way The adjusting of basin height.

Referring to Fig. 4, rotational lead screw 27 is rotated in order to facilitate staff, adjusting is provided on rotational lead screw 27 Bar 28, adjusting rod 28 is horizontally disposed, and adjusting rod 28 runs through the circumferential surface of rotational lead screw 27, and the both ends of adjusting rod 28 extend to and turn The outside of dynamic lead screw 27.

Referring to Fig. 4, the through slot 271 through itself is offered on the circumferential surface of rotational lead screw 27, through slot 271 is in rotational lead screw It is opened up along the vertical direction on 27, through slot 271 is adapted with adjusting rod 28.In this way adjusting rod 28 can be inside the through slot 271 on Lower movement, has achieved the effect that staff is facilitated to use.

Referring to Fig. 4, adjusting rod 28 is lost during transportation in order to prevent, and limit is arranged on the circumferential surface of adjusting rod 28 Ring 29, stop collar 29 are arranged in the two sides of rotational lead screw 27 and abut against with the circumferential surface of rotational lead screw 27.

Referring to Fig. 2 and Fig. 3, limit assembly includes caging bolt 25, and the outside of body frame 1 is arranged in caging bolt 25, and The two sides of support plate 21 are arranged in caging bolt 25, offer on the side of support plate 21 in body frame 1 and prolong along the vertical direction The via hole 12 stretched, caging bolt 25 extend to inside T-type sliding block 26 simultaneously after extending through via hole 12 to the direction close to body frame 1 And push against the circumferential surface of rotation axis 24.When state of the staff to support component 2 is changed, staff first unclamps limit Bolt 25, then staff again rotates support plate 21, and support plate 21 will drive rotation axis 24 inside T-type sliding block 26 Rotation, after the position of support component 2 is adjusted properly, staff can again be tightened caging bolt 25, in this way can The position of support component 2 is fixed.

Referring to Fig.1, under rack use state, bearing plate 22 keeps horizontal, in order to expand bearing plate 22 and body frame 1 it Between distance, connection component 3 is provided between bearing plate 22 and support plate 21.

Referring to Fig.1 and Fig. 5, connection component 3 include fixing pipe 31, regulating part and telescopic rod 32, and the setting of fixing pipe 31 exists Support plate 21 is close to the side of bearing plate 22, and the extending direction of fixing pipe 31 is identical as the extending direction of support plate 21, stretches Side of the fixing pipe 31 far from support plate 21 is arranged in contracting bar 32, and fixing pipe 31 and telescopic rod 32 are coaxially disposed, and telescopic rod 32 extend to inside fixing pipe 31 close to one end of fixing pipe 31, regulating part be arranged between fixing pipe 31 and telescopic rod 32 and The length that fixing pipe 31 can be stretched out to telescopic rod 32 is adjusted.Flowerpot is placed into above bearing plate 22 it in staff Afterwards, staff can be accepted by regulating part to the direction close to or far from body frame 1 is mobile according to the growing state of flowers and plants Plate 22 can make flowers and plants obtain better living environment in this way.

Referring to Fig. 5, regulating part includes adjusting ring 33, adjusts ring 33 and fixing pipe 31 is arranged in close to the end of telescopic rod 32 simultaneously And be rotatablely connected with fixing pipe 31, it adjusts ring 33 and is arranged on the circumferential surface of telescopic rod 32 and is threadedly coupled with telescopic rod 32.In Staff sees Fig. 1 to bearing plate 22 and body frame 1() the distance between when being adjusted, staff is revolved to ring 33 is adjusted Turn, because adjusting ring 33 and the rotation connection of fixing pipe 31, and adjust ring 33 and be threadedly coupled with telescopic rod 32, so adjusting ring When 33 rotation, telescopic rod 32 and bearing plate 22 will be driven mobile to the direction close to or far from body frame 1, thus completed Adjusting to 22 position of bearing plate.

Referring to Fig.1 and Fig. 5, it rotates in order to facilitate staff to ring 33 is adjusted, is set on the circumferential surface for adjusting ring 33 It sets there are two auxiliary rod 34, auxiliary rod 34 extends to far from the direction for adjusting ring 33, and two auxiliary rods 34 are adjusting ring 33 Circumferential surface on extend in the opposite direction.And when can also guaranteeing support component 2 being received into 11 inside of groove in this way, Staff can be adjusted to ring 33 is adjusted, and make auxiliary rod 34 completely into arriving inside groove 11, prevent auxiliary rod 34 right The work of staff interferes.

In conclusion the use process of the utility model are as follows: before staff is using rack, caging bolt 25 will Support component 2 is fixed on inside groove 11, be can be convenient staff in this way and is conveyed to rack；It will be put in staff It sets frame to be moved to after suitable position, staff unclamps caging bolt 25 first, and then staff surrounds rotation axis 24 Axis to the direction far from body frame 1 to turn to bearing plate 22 horizontal, then tightening caging bolt 25, in this way can be so as to hold The position of fishplate bar 22 is fixed, and then flowerpot is placed into the upper surface of bearing plate 22 by staff again；Then staff It can rotate, can complete in this way between bearing plate 22 and body frame 1 to ring 33 is adjusted according to the growing state of flowers and plants The adjustment of distance；Then, staff rotates rotational lead screw 27 by adjusting rod 28, rotates in rotational lead screw 27 When, because rotational lead screw 27 is threadedly coupled with body frame 1, and rotational lead screw 27 and T-type sliding block 26 are rotatablely connected, so rotating When lead screw 27 rotates, rotational lead screw 27 will drive the flowerpot inside T-type sliding block 26, support component 2 and support component 2 upward It is mobile, flowerpot can be promoted to the position close to 1 upper end of body frame in this way.Thus having reached facilitates staff to make With, and conveniently rack is transported, time and manpower are saved, the effect of flowers and plants damage is reduced.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (10)

1. a kind of municipal administration flowerpot rack is uniformly set on the circumferential surface of body frame (1) including the body frame (1) extended along the vertical direction It is equipped with multiple support components (2), it is characterised in that: the support component (2) includes horizontal support plate (21), support plate (21) Extend to the direction far from body frame (1), the one end of body frame (1) is provided with the level for placing flowerpot in support plate (21) Bearing plate (22), it is internal that support plate (21) far from the one end of bearing plate (22) extends to body frame (1), in support plate (21) far from holding One end of fishplate bar (22) is provided with horizontal rotating shaft (24), and rotation axis (24) and body frame (1) are rotatablely connected, the axis of rotation axis (24) Line direction and the extending direction of support plate (21) are perpendicular, are offered on the circumferential surface of body frame (1) for accommodating support component (2) Groove (11), the limit assembly for being limited to support plate (21) is provided on body frame (1).

2. a kind of municipal flowerpot rack according to claim 1, it is characterised in that: in the two sides of the support plate (21) It is provided with T-type sliding block (26), T-type sliding block (26) setting is in the one end of support plate (21) far from bearing plate (22) and is embedded into master Frame (1) is internal, and rotation axis (24) extends to T-type sliding block (26) inside and is rotatablely connected with T-type sliding block (26), in body frame (1) Inside offers the compatible vertical sliding slot with T-type sliding block (26), is provided in the side of support plate (21) and drives T-type sliding block (26) rotating member moved up and down inside sliding slot.

3. a kind of municipal flowerpot rack according to claim 2, it is characterised in that: rotating member includes rotational lead screw (27), rotational lead screw (27) is vertically arranged in the top of body frame (1), and rotational lead screw (27) extends downwardly and through body frame (1) Upper surface after extend to inside sliding slot, the upper surface of the lower end of rotational lead screw (27) and T-type sliding block (26) is rotatablely connected, Rotational lead screw (27) is threadedly coupled with body frame (1).

4. a kind of municipal flowerpot rack according to claim 3, it is characterised in that: the week in the rotational lead screw (27) The through slot (271) through itself is offered on face, through slot (271) extends along the vertical direction, is internally provided with tune in through slot (271) Pole (28), and the both ends of adjusting rod (28) are located at the outside of rotational lead screw (27), and adjusting rod (28) is located at the upper of body frame (1) Side.

5. a kind of municipal flowerpot rack according to claim 4, it is characterised in that: limit assembly includes caging bolt (25), caging bolt (25) setting is in the outside of body frame (1), and caging bolt (25) is arranged in the two sides of support plate (21), Offer the via hole (12) extended along the vertical direction on the side of body frame (1) close to support plate (21), caging bolt (25) to The direction of close body frame (1) extends through via hole (12) and extends to T-type sliding block (26) inside later and push against rotation axis (24) Circumferential surface.

6. a kind of municipal flowerpot rack according to claim 1, it is characterised in that: in the support plate (21) and accept It is provided between plate (22) connection component (3), connection component (3) includes fixing pipe (31), and fixing pipe (31) is arranged in support plate (21) close to the side of bearing plate (22), the side of support plate (21) is provided with telescopic rod (32) in fixing pipe (31), stretches Contracting bar (32) and the extending direction of fixing pipe (31) are identical as the extending direction of support plate (21), and telescopic rod (32) leans on One end of nearly fixing pipe (31) extends to fixing pipe (31) inside, is provided with and is used between fixing pipe (31) and telescopic rod (32) Adjust the regulating part that telescopic rod (32) stretch out the length of fixing pipe (31).

7. a kind of municipal flowerpot rack according to claim 6, it is characterised in that: the regulating part includes adjusting ring (33), ring (33) setting is adjusted to be rotatablely connected in the end of fixing pipe (31) close bearing plate (22) and with fixing pipe (31), Ring (33) are adjusted to be arranged on the circumferential surface of telescopic rod (32) and be threadedly coupled with telescopic rod (32).

8. a kind of municipal flowerpot rack according to claim 7, it is characterised in that: in the circumferential surface for adjusting ring (33) There are two auxiliary rod (34) for upper setting, and auxiliary rod (34) extends to far from the direction for adjusting ring (33), and two auxiliary rods (34) extend in the opposite direction on the circumferential surface for adjusting ring (33).

9. a kind of municipal flowerpot rack according to claim 1, it is characterised in that: in bearing plate (22) horizontality Under, cricoid fence (23) are provided with above bearing plate (22).

10. a kind of municipal flowerpot rack according to claim 5, it is characterised in that: the week in the adjusting rod (28) Restraining position ring block (29) are set on face, stop collar (29) is arranged in the two sides of rotational lead screw (27), and stop collar (29) and rotation The circumferential surface of lead screw (27) abuts against.