CN210406246U

CN210406246U - Multi-stage telescopic fruit picker

Info

Publication number: CN210406246U
Application number: CN201921019406.9U
Authority: CN
Inventors: 刘强
Original assignee: Hangzhou Huayiqiang Industrial Co ltd
Current assignee: Hangzhou Huayiqiang Industrial Co ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-04-28
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a multistage telescopic fruit picker, which comprises a fruit picking device, a conveying device, a feeding hopper and a telescopic rod, wherein the fruit picking device comprises a supporting frame I and a round block I, the upper end surface of the supporting frame is provided with two cutter bars in a crossed manner, one end of each cutter bar is provided with a first supporting rod, one end of each round block II, which is far away from the cutter bars, is fixedly provided with a second positioning block, the crossed part of the first supporting rod is provided with a third round block, the side wall of the third round block is matched with the side wall of the first supporting rod in a sliding manner, a first spring is fixedly arranged between the first supporting rods, one end of each first supporting rod, which is far away from the cutter bars, is provided with a second supporting rod, the crossed part of the two supporting rods is sleeved with a rope, one end of each cutter bar, which is far away from the first supporting rod, is provided with a blade, the rope is pulled, so that the, the cutter bar moves to drive the blade to move, so that the fruit is picked.

Description

Multi-stage telescopic fruit picker

Technical Field

The utility model relates to a fruit picking equipment field, in particular to multistage telescopic fruit picker.

Background

Related technologies and advanced achievements are applied to the agricultural field at home and abroad along with the development of fruit picking technology, wherein fruit picking, harvesting and picking devices are a relatively large proportion in the agricultural field, and related fruit picking machines have immeasurable prospects in the aspects of improving the working efficiency and the like along with the technical progress and the maturity of related experiences.

Traditional fruit picker, the in-process of plucking the fruit can't convey the fruit, leads to the fruit to fall subaerially, and the fruit damages, and traditional fruit picker is plucked the fruit ware, and the branch is sheared to the unable accurate control of fruit picker shearing branch difficulty at the in-process of plucking the fruit, leads to staff's work load increase, and the efficiency of plucking the fruit descends.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multistage telescopic fruit picker has solved the fruit picker and has sheared the branch with the fruit picker is accurate to the transport of fruit at the in-process of plucking.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a multistage telescopic fruit picker, is including plucking fruit device, conveyor, feeder hopper and telescopic link, pluck the fruit device and be located the upper end of feeder hopper just the up end of feeder hopper with pluck the lower terminal surface fixed coordination of device, conveyor is located the lateral wall of feeder hopper just conveyor's one end with the lateral wall fixed coordination of feeder hopper, the telescopic link is located the lower extreme of feeder hopper just the one end of telescopic link with the lower terminal surface screw-thread fit of feeder hopper, pluck the fruit device and include carriage one and circle piece one, carriage one is located the up end of feeder hopper just the lower terminal surface of carriage one with the up end fixed coordination of feeder hopper, the up end of carriage alternately is provided with two cutter arbor, just the lower terminal surface of cutter arbor and the up end sliding fit of carriage one, circle piece one is located the intersection of two cutter arbor just one end of circle piece runs through two the intersection of cutter arbor with the last of carriage one The end face of the first round block is fixedly matched with the side wall of the first round block, the side wall of the first round block is in sliding fit with the two cutter bars, a first positioning block is fixed to one end, far away from the first supporting frame, of the first round block, a first positioning block is fixed to the lower end face of the first positioning block and the two cutter bars, the upper end face of the cutter bars is in sliding fit with the two cutter bars, one end of the first cutter bars is provided with a first supporting rod, the first supporting rod is arranged in a crossed mode, a second round block is arranged on the side wall of the first supporting rod in a penetrated mode, the first supporting rod is fixedly matched with the side wall of the cutter bars, the second round block is in sliding fit with the first supporting rod, the second positioning block is fixedly arranged at one end, far away from the cutter bars, the second positioning block is arranged on the side wall of the second positioning block in a sliding fit with the side wall of the first supporting rod, the third round block is arranged at the crossed position of the supporting rod in a penetrated mode The cooperation, the one end that locating piece three was kept away from to round piece three is fixed with locating piece four, just locating piece four the lateral wall with one side sliding fit that locating piece three was kept away from to branch one, two spring one has set firmly between the branch one, two the one end that the cutter arbor was kept away from to branch one all is equipped with branch two, just two are the setting of crossing, two round piece four just is worn to be equipped with to the one end of branch two the lateral wall and the two sliding fit of branch of round piece four, the one end of round piece four runs through branch two and the lateral wall fixed fit that the cutter arbor was kept away from to branch one, two the one end that branch one was kept away from to round piece four is fixed with locating piece five just the lateral wall of locating piece five and the lateral wall sliding fit of branch two, two branch two intersection covers are equipped with the rope, the one end that branch was kept.

Preferably, when fruit is to be picked, the telescopic rod is pulled manually to stretch the telescopic rod to a required position, one end of the telescopic rod is in threaded fit with the lower end face of the feed hopper, so that the telescopic rod stretches to drive the feed hopper to move to the required position, when the feed hopper moves to a required position, the lower end face of the first support frame is fixedly matched with the upper end face of the feed hopper, so that the feed hopper moves to drive the first support frame to move, when the first support frame moves, the cutter bar is positioned at the upper end of the first support frame and is in sliding fit with the upper end face of the first support frame, so that the first support frame moves to drive the cutter bar to move to the position to be cut, and because the round block penetrates through the intersection of the cutter bar and the lower end face of the first round block is fixedly matched with the upper end face of the first support frame, the round block plays a role of supporting the cutter bar together, because the first positioning block is fixed at one end of the first round block, which is far away from the first supporting frame, and the lower end face of the first positioning block is in sliding fit with the upper end face of the cutter bar, the first positioning block prevents the cutter bar from being separated in the fruit picking process, the cutter bar is moved to a position needing fruit picking, a worker pulls a rope, when the rope is pulled, the rope is sleeved at the junction of the second supporting rod, so that the rope is pulled to drive the second supporting rod to move, when the second supporting rod moves, because the side wall of the fourth round block is in sliding fit with the second supporting rod, and one end of the fourth round block penetrates through the second supporting rod and is fixedly matched with the side wall of the first supporting rod, which is far away from the cutter bar, so that the second supporting rod moves to drive the first supporting rod to move, when the first supporting rod moves, the fifth positioning block is used for fixing the second supporting rod and the first supporting rod, so as to prevent the second supporting rod, thereby the round block three realizes the cross movement of the two support rods one, the positioning block four and the positioning block three are used for fixing the two support rods one, and the separation of the support rods one in the moving process is prevented, when the support rods one move in a cross way, the round block two is fixed on the side wall of the cutter bar, and the side wall of the round block two is in sliding fit with the support rods one, so that the cross movement of the support rods one drives the cutter bar to move, when the cutter bar moves, the round block one realizes the cross movement of the cutter bar, when the cutter bar moves, because the cutter bar is positioned at one end of the cutter bar far away from the support rods one, and the cutter bar is in fixed fit with the cutter bar, so that the cutter bar drives the cutter bar to move, and the cutting of the branch is realized, when the fruit picking is finished, the staff releases the rope, because the spring one is positioned between the support rods one, and the spring one is in fixed fit with the support rods one, therefore, the first support rod is opened by the outward force applied to the first two support rods by the first spring.

By adopting the technical scheme, the conveying pipe is fixed on the side wall of the feeding hopper, the first protective cotton is fixedly arranged on the inner wall of the conveying pipe, and the inner wall of the first protective cotton, which is far away from the conveying pipe, is fixedly provided with the plurality of rubber ropes.

Preferably, when the fruit is cuted and is accomplished, the fruit falls into in the feeder hopper through self gravity, because the one end of conveyer pipe is fixed in on the lateral wall of feeder hopper, thereby the fruit enters into in the conveyer pipe through the feeder hopper, when the fruit enters into in the conveyer pipe, because be fixed with protection cotton one on the inner wall of conveyer pipe, thereby the fruit enters into when the conveyer pipe, the effect of protection cotton pair fruit play, when the fruit receives self gravity to descend, because the rubber rope is located the protection cotton one and keeps away from on the inner wall of conveyer pipe, thereby the rubber rope plays the effect of buffering to the fruit.

Adopt above-mentioned technical scheme, the conveyer pipe is kept away from the one end of feeder hopper and is set firmly the backup pad, just the backup pad is the slope setting, the upper end of backup pad sets firmly spring two, the one end that the backup pad was kept away from to spring two sets firmly the supporting shoe, just the one end that the supporting shoe kept away from spring two sets firmly protection cotton two.

Preferably, after the fruit buffering is finished, the fruit falls into the bottom of the conveying pipe through the gravity of the fruit, because the upper end of the supporting block and the upper end face of the supporting block are located at two positions of the protective cotton, and the lower end face of the second protective cotton is fixedly matched, when the fruit falls into the second protective cotton under the gravity of the fruit, the two pairs of fruits of the protective cotton play a role in buffering, because the second spring is located at the upper end of the supporting plate, and one end of the second spring, which is far away from the supporting plate, is fixedly matched with the supporting block, when the fruit is in contact with the second protective cotton, the second protective cotton transmits downward force to the supporting block, and when the second spring at the lower end of the supporting block receives downward force, the second.

By adopting the technical scheme, the lower end face of the supporting plate is provided with the round hole in a penetrating mode, and the round hole penetrates through the supporting block and the second protective cotton.

Preferably, because the backup pad is the slope setting to the fruit passes through two landing of backup pad and falls in the round hole, and the fruit falls the external world through the round hole and collects.

Preferably, the inner wall of the feed hopper is fixedly provided with a third protective cotton.

By adopting the technical scheme, the protective cotton is used for protecting fruits from being damaged easily.

By adopting the technical scheme, the length of the telescopic rod is seven sections.

Preferably, the length of the telescopic rod is not enough to take the fruit.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic view of a position of the fruit picking apparatus according to the embodiment;

FIG. 3 is a schematic view of an assembly of an embodiment for a strut connection;

fig. 4 is a schematic position diagram of the conveying device according to the embodiment.

Reference numerals are used: 1. a fruit picking device; 2. a conveying device; 3. a feed hopper; 4. a telescopic rod; 5. a first support frame; 6. a first round block; 7. a cutter bar; 8. a first positioning block; 9. a first support rod; 10. a second round block; 11. a second positioning block; 12. a third round block; 13. a third positioning block; 14. a positioning block IV; 15. a first spring; 16. a second supporting rod; 17. a fourth round block; 18. a fifth positioning block; 19. a rope; 20. a blade; 21. a delivery pipe; 22. protecting cotton I; 23. a bungee cord; 24. a support plate; 25. a second spring; 26. a support block; 27. protecting cotton II; 28. a circular hole; 29. and protecting cotton III.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

Fig. 1 to 4, a multistage telescopic fruit picker, including plucking fruit device 1, conveyor 2, feeder hopper 3 and telescopic link 4, pluck fruit device 1 and be located the upper end of feeder hopper 3 and the up end of feeder hopper 3 and pluck fruit device 1's lower terminal surface fixed coordination, conveyor 2 is located the lateral wall of feeder hopper 3 and conveyor 2's one end and feeder hopper 3's lateral wall fixed coordination, telescopic link 4 is located the lower extreme of feeder hopper 3 and the one end of telescopic link 4 and the lower terminal surface screw-thread fit of feeder hopper 3, telescopic link 4 length is seven sections, protection cotton three 29 has set firmly on the inner wall of feeder hopper 3.

The fruit picking device 1 comprises a first support frame 5 and a first round block 6, the first support frame 5 is located on the upper end face of the feeding hopper 3, the lower end face of the first support frame 5 is fixedly matched with the upper end face of the feeding hopper 3, two cutter bars 7 are arranged on the upper end face of the first support frame 5 in a crossed mode, the lower end face of each cutter bar 7 is in sliding fit with the upper end face of the first support frame 5, the first round block 6 is located on the crossed position of the two cutter bars 7, one end of the first round block 6 penetrates through the crossed position of the two cutter bars 7 and is fixedly matched with the upper end face of the first support frame 5, the side wall of the first round block 6 is in sliding fit with the two cutter bars 7, one end, far away from the first support frame 5, of the first round block 6 is fixed with a first positioning block 8, and.

When fruits need to be picked, the telescopic rod 4 is pulled manually to stretch the telescopic rod 4 to a required position, one end of the telescopic rod 4 is in threaded fit with the lower end face of the feed hopper 3, so that the telescopic rod 4 stretches to drive the feed hopper 3 to move, the feed hopper 3 is moved to the required position, when the feed hopper 3 is moved to the required position, the lower end face of the support frame I5 is in fixed fit with the upper end face of the feed hopper 3, so that the feed hopper 3 moves to drive the support frame I5 to move, when the support frame I5 moves, the cutter bar 7 is positioned at the upper end of the support frame I5, and when the lower end face of the cutter bar is in sliding fit with the upper end face of the support frame I5, so that the support frame I5 moves to drive the cutter bar 7 to move, the cutter bar 7 is moved to the position needing to be cut, because the round block I6 penetrates through the intersection of the cutter bar 7 and the lower end face of the round, thereby the effect that round piece 6 supported the cutter arbor 7 together, because locating piece 8 is fixed in round piece 6 and keeps away from the one end of carriage 5 and the lower terminal surface of locating piece 8 and the up end sliding fit of cutter arbor 7 to locating piece 8 prevents the cutter arbor 7 at the in-process separation of plucking the fruit, because the length of telescopic link 4 is seven festivals, thereby telescopic link 4 is at the in-process that elongates, prevents that telescopic link 4 is fruit absolutely and can't pluck the fruit.

One end of each of the two cutter bars 7 is provided with a first supporting rod 9, the first supporting rods 9 are arranged in a crossed manner, the side walls of the first supporting rods 9 are respectively provided with a second round block 10 in a penetrating manner, one end of each second round block 10 penetrates through the first supporting rod 9 to be fixedly matched with the side wall of the cutter bar 7, the side wall of each second round block 10 is in sliding fit with the first supporting rod 9, one end, far away from the cutter bar 7, of each second round block 10 is fixedly provided with a second positioning block 11, the side wall of each second positioning block 11 is in sliding fit with the side wall of the corresponding first supporting rod 9, a third round block 12 is arranged at the crossed position of the first supporting rods 9 in a penetrating manner, the side wall of each third round block 12 is in sliding fit with the side wall of the corresponding first supporting rod 9, one end, far away from the third positioning block 13, of each round block 12 is fixedly provided with a fourth positioning block 14, and the side wall of the corresponding first supporting rod, a spring I15 is fixedly arranged between the two support rods I9.

One end of the two first support rods 9, which is far away from the cutter bar 7, is provided with a second support rod 16, the two second support rods 16 are arranged in a crossed manner, one end of the two second support rods 16 penetrates through the side wall of the four round blocks 17 and the side wall of the two support rods 9, which is far away from the cutter bar 7, in a fixed fit manner, one end of the four round blocks 17, which is far away from the first support rods 9, is fixed with a fifth positioning block 18, the side wall of the fifth positioning block 18 and the side wall of the second support rods 16 are in a sliding fit manner, a rope 19 is sleeved at the crossed position of the two support rods 16, and one end of the two cutter rods 7.

The knife bar 7 is moved to a position needing fruit picking, staff pull the rope 19, when the rope 19 is pulled, the rope 19 is sleeved outside the junction of the second support rod 16, so that the rope 19 is pulled to drive the second support rod 16 to move, when the second support rod 16 moves, the side wall of the fourth round block 17 is in sliding fit with the second support rod 16, one end of the fourth round block 17 penetrates through the second support rod 16 and is fixedly matched with the side wall, far away from the knife bar 7, of the first support rod 9, so that the second support rod 16 moves to drive the first support rod 9 to move, when the first support rod 9 moves, the positioning block five 18 is used for fixing the second support rod 16 and the first support rod 9 to prevent the second support rod 16 from being separated from the first support rod 9, when the first support rod 9 moves, the third round block 12 is positioned at the junction of the first support rod 9 and the side wall of the third round block 12 is in sliding fit with the side wall of the first support rod 9, so that the third round block 12 realizes, the separation of the first support rod 9 in the moving process is prevented, when the first support rod 9 moves in a crossing mode, the second round block 10 is fixed on the side wall of the cutter bar 7, the side wall of the second round block 10 is in sliding fit with the first support rod 9, the cutter bar 7 is driven to move by the cross movement of the first support rod 9, the first support rod 9 and the cutter bar 7 are prevented from separating in the moving process by the positioning block 11, when the cutter bar 7 moves, the first round block 6 is fixed on the upper end face of the first support frame 5, the side wall of the first round block 6 is in sliding fit with the side wall of the first support rod 9, the first round block 6 realizes the cross movement of the cutter bar 7, when the cutter bar 7 moves in the crossing mode, the cutter bar 20 is located at one end, far away from the first support rod 9, of the cutter bar 7 drives the cutter bar 20 to move, the cutting of branches by the cutter bar 20 is realized, when fruit picking is finished, the staff releases the rope 19, the first spring, so that the spring one 15 exerts an outward force on the two struts one 9, which effects the opening of the struts one 9.

Be fixed with conveyer pipe 21 on the lateral wall of feeder hopper 3, it has protected cotton 22 to set firmly on conveyer pipe 21's the inner wall, it has a plurality of bungee cords 23 to set firmly on the inner wall that conveyer pipe 21 was kept away from to protection cotton 22, the one end that conveyer pipe 21 kept away from feeder hopper 3 has set firmly backup pad 24, and backup pad 24 is the slope setting, spring two 25 has set firmly in the upper end of backup pad 24, the one end that backup pad 24 was kept away from to spring two 25 has set firmly supporting shoe 26, and the one end that spring two 25 was kept away from to supporting shoe 26 has set firmly protection cotton two 27, round hole 28 is worn to be equipped with by the lower terminal surface of backup pad 24.

When the fruit is cut, the fruit falls into the feed hopper 3 by the gravity of the fruit, because one end of the conveying pipe 21 is fixed on the side wall of the feed hopper 3, the fruit enters the conveying pipe 21 through the feed hopper 3, when the fruit enters the conveying pipe 21, because the inner wall of the conveying pipe 21 is fixed with the first protection cotton 22, when the fruit enters the conveying pipe 21, the first protection cotton 22 protects the fruit, when the fruit is descended by the gravity of the fruit, because the rubber rope 23 is positioned on the inner wall of the first protection cotton 22 far away from the conveying pipe 21, the rubber rope 23 buffers the fruit, after the fruit is buffered, the fruit falls into the bottom of the conveying pipe 21 by the gravity of the fruit, because the second protection cotton 27 is positioned at the upper end of the supporting block 26 and the upper end face of the supporting block 26 is fixedly matched with the lower end face of the second protection cotton 27, when the fruit falls into the second protection cotton 27 by the gravity of the fruit, two 27 protection cottons play the effect of buffering to the fruit, because two 25 upper ends that are located backup pad 24 and two 25 springs keep away from the one end and the supporting shoe 26 fixed coordination of backup pad 24, thereby when fruit and two 27 contacts of protection cottons, two 27 transmission of protection cottons transmit the decurrent power of supporting shoe 26, two 25 springs at supporting shoe 26 lower extreme receive during the decurrent power, two 25 transmission of spring give the relative power of supporting shoe 26, realize two 27 buffers to the fruit of protection cottons, because backup pad 24 is the slope setting, thereby the fruit passes through two landing of backup pad 24 to the round hole 28 in, the fruit drops to the external world through round hole 28 and collects.

Claims

1. The multi-stage telescopic fruit picker is characterized by comprising a fruit picking device (1), a conveying device (2), a feeding hopper (3) and a telescopic rod (4), wherein the fruit picking device (1) is positioned at the upper end of the feeding hopper (3), the upper end face of the feeding hopper (3) is fixedly matched with the lower end face of the fruit picking device (1), the conveying device (2) is positioned at the side wall of the feeding hopper (3), one end of the conveying device (2) is fixedly matched with the side wall of the feeding hopper (3), the telescopic rod (4) is positioned at the lower end of the feeding hopper (3), one end of the telescopic rod (4) is in threaded fit with the lower end face of the feeding hopper (3), the fruit picking device (1) comprises a supporting frame I (5) and a round block I (6), the supporting frame I (5) is positioned at the upper end face of the feeding hopper (3), the lower end face of the supporting frame I (5) is fixedly matched with the upper end face of the feeding hopper (3), the upper end face of the supporting frame I (5) is provided with two cutter bars (7) in a crossed mode, the lower end face of each cutter bar (7) is in sliding fit with the upper end face of the supporting frame I (5), the round block I (6) is located at the crossed position of the two cutter bars (7) and one end of the round block I (6) penetrates through the crossed position of the two cutter bars (7) and the upper end face of the supporting frame I (5) in a fixed fit mode, the side wall of the round block I (6) is in sliding fit with the two cutter bars (7), one end, far away from the supporting frame I (5), of the round block I (6) is fixed with a positioning block I (8), the lower end face of the positioning block I (8) is in sliding fit with the upper end faces of the two cutter bars (7), one end of each cutter bar (7) is provided with a support rod I (9), the support rods I (9) are arranged in a crossed mode, and round block II (10) are arranged on the side walls of the two support rods, just the one end of circle piece two (10) run through branch one (9) with the lateral wall fixed coordination of cutter arbor (7), the lateral wall of circle piece two (10) with branch one (9) sliding fit, two the one end that cutter arbor (7) were kept away from in circle piece two (10) has all set firmly locating piece two (11), the lateral wall of locating piece two (11) with the lateral wall sliding fit of branch one (9), two the cross section of branch one (9) is worn to be equipped with circle piece three (12) just the lateral wall of circle piece three (12) and the lateral wall sliding fit of branch one (9), the one end of circle piece three (12) is fixed with locating piece three (13) just the lateral wall of locating piece three (13) with the lateral wall sliding fit of branch one (9), and the one end that locating piece three (12) kept away from locating piece three (13) is fixed with locating piece four (14), just the lateral wall of locating piece four (14) with one side sliding fit of branch one (9) is kept away from locating piece three (13) is fixed with locating piece four (14) A first spring (15) is fixedly arranged between the two first support rods (9), a second support rod (16) is arranged at one end of each of the two first support rods (9) far away from the cutter bar (7), the two second support rods (16) are arranged in a crossed manner, one end of each second support rod (16) is provided with a round block four (17) in a penetrating manner, the side wall of each round block four (17) is in sliding fit with the corresponding second support rod (16), one end of each round block four (17) penetrates through the support rod two (16) and is fixedly matched with the side wall of the support rod one (9) far away from the cutter bar (7), one end of each round block four (17) far away from the support rod one (9) is fixedly provided with a positioning block five (18), the side wall of each positioning block five (18) is in sliding fit with the side wall of the support rod two (16), the rope (19) is sleeved at the intersection of the two support rods II (16), and a blade (20) is fixed at one end, far away from the support rod I (9), of each of the two cutter bars (7).

2. The multistage telescopic fruit picker according to claim 1, wherein a conveying pipe (21) is fixed on the side wall of the feed hopper (3), a first protective cotton (22) is fixed on the inner wall of the conveying pipe (21), and a plurality of rubber ropes (23) are fixed on the inner wall, far away from the conveying pipe (21), of the first protective cotton (22).

3. The multistage telescopic fruit picker according to claim 2, wherein a support plate (24) is fixedly arranged at one end of the conveying pipe (21) far away from the feeding hopper (3), the support plate (24) is obliquely arranged, a second spring (25) is fixedly arranged at the upper end of the support plate (24), a support block (26) is fixedly arranged at one end of the second spring (25) far away from the support plate (24), and a second protective cotton (27) is fixedly arranged at one end of the support block (26) far away from the second spring (25).

4. The multi-stage telescopic fruit picker according to claim 3, wherein the lower end surface of the support plate (24) is provided with a circular hole (28) in a penetrating manner, and the circular hole (28) penetrates through the support block (26) and the second protective cotton (27).

5. The multistage telescopic fruit picker according to claim 1, wherein the inner wall of the feed hopper (3) is fixedly provided with a protective cotton III (29).

6. The multi-stage telescopic fruit picker according to claim 1, wherein the telescopic rod (4) is seven sections in length.