CN113546387A

CN113546387A - Straightening device for feathers

Info

Publication number: CN113546387A
Application number: CN202110827222.0A
Authority: CN
Inventors: 蒋欣
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-10-26
Anticipated expiration: 2041-07-21
Also published as: CN113546387B

Abstract

The invention provides a straightening device for feathers, and belongs to the technical field of feather processing. The utility model provides a straightener for feather, which comprises a frame, be fixed with first guide rail in the frame, the top of first guide rail is provided with the second guide rail, it can be along the gliding slider of first guide rail to slide to be provided with on the first guide rail, be provided with the fixed subassembly that can move about on the slider, fixed subassembly can break away from the slider, the fixed subassembly lower extreme does not have elasticity through two, deformable adapting unit is connected with the balancing weight, two adapting unit set up the both sides at first guide rail respectively, the quality of balancing weight is less than the quality of fixed subassembly, it is provided with a plurality of anchor clamps subassemblies that are used for the feather shaft upper end to slide on the second guide rail.

Description

Straightening device for feathers

Technical Field

The invention belongs to the technical field of feather processing, and particularly relates to a straightening device for feathers.

Background

Shuttlecocks are small-sized indoor sports items made of soft wood and feathers hit with a long-handled tennis racket, with a net interposed therebetween.

The badminton is also a consumable, and the volume of consumption also can be great, and the processing technology of badminton is loaded down with trivial details, and the processing time of feather is more of a specified duration, and traditional processing mode is artifical and hangs the feather through the heavy object, then straightens the feather through the mode of steam design, and the artifical mode of establishing of hanging makes the material loading process of feather waste a large amount of time to the time that leads to this process of feather processing is by great extension.

Disclosure of Invention

The invention aims to solve the problems in the prior art, provides a straightening device for feathers, and solves the problem of low feather straightening efficiency.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a straightener for feather, includes the frame, its characterized in that, be fixed with first guide rail in the frame, the top of first guide rail is provided with the second guide rail, it can along the gliding slider of first guide rail to slide to be provided with on the first guide rail, be provided with the fixed subassembly that can move about on the slider, fixed subassembly can be followed break away from on the slider, fixed subassembly lower extreme is connected with the balancing weight through two adapting unit that do not have elasticity, deformable, two adapting unit sets up respectively the both sides of first guide rail, the quality of balancing weight is less than the quality of fixed subassembly, it is provided with a plurality of anchor clamps subassemblies that are used for the feather epaxial end to slide on the second guide rail, first direction section and second direction section have on the second guide rail, first direction section position with first orbital interval is less than the second direction section with the interval of first guide rail, a steam shaping box is fixed on the rack, and the first guide rail and the second guide section penetrate through the steam shaping box; the feather shaft upper end that anchor clamps subassembly can be in first guide section department presss from both sides tight fixed back the anchor clamps subassembly removes extremely second guide section in-process, fixed subassembly is followed break away from on the first guide rail to make the feather straighten under fixed subassembly action of gravity, be provided with the actuating mechanism who is used for driving slider and anchor clamps subassembly synchronous movement in the frame.

In the straightening device for feathers, the first rail and the second rail are both circular rails.

In the straightening device for feathers, two ends of the second guide section are respectively in arc transition connection with two ends of the first guide section.

In the straightening device for feathers, the distance between the second guide section and the first guide rail is more than twice as long as the distance between the first guide section and the first track.

In the above-mentioned straightener for feather, fixed subassembly includes the movable block, be equipped with the storage tank on the slider, the movable block sets up in the storage tank and can follow break away from in the storage tank, two through-holes have been seted up on the slider, adapting unit passes the through-hole, adapting unit with fixed subassembly's junction is the tie point, and distance between two through-holes equals with the distance between two tie points, the movable block middle part is rotated and is provided with and run through the rotation piece of movable block, it has the fixed passage that runs through to rotate the piece middle part, be fixed with on fixed passage's the inner wall and have elastic stationary blade.

In the above-mentioned straightener for feather, be provided with in the frame and drive a pivoted drive arrangement, drive arrangement includes first push rod motor, a driving motor and drives the piece, first push rod motor is fixed in the frame, a driving motor links firmly on the push rod of first push rod motor, it fixes to drive the piece on a driving motor's the output shaft, drive the piece can with the lower extreme that rotates the piece supports and drives and rotates the piece rotation.

In the straightening device for the feathers, the frame is fixedly provided with the CCD visual detection device which is used for judging the surface orientation of the feathers and is matched with the driving device to control the rotation of the rotating part, so that the surface orientation of the feathers is adjusted.

In the straightening device for feathers, the connecting part is a steel rope.

In the straightening device for the feathers, the clamp assembly comprises a moving block, a sliding rod and a pneumatic clamp, the moving block is arranged on the second guide rail in a sliding mode, the sliding rod is arranged on the moving block in a sliding mode and can move up and down relative to the moving block, the sliding rod is connected with the moving block through a tension spring, the pneumatic clamp is arranged at the lower end of the sliding rod, an air inlet end of the pneumatic clamp is connected with an air inlet pipeline, a one-way valve is arranged on the air inlet pipeline, and a pushing mechanism for driving the sliding rod to move down, an inflating mechanism for inflating the pneumatic clamp and an deflating mechanism for deflating the pneumatic clamp are arranged on the rack.

In the straightening device for the feathers, the pushing mechanism comprises a second push rod motor, and a push plate is fixed on a push rod of the second push rod motor.

In the straightening device for the feathers, the inflation mechanism comprises an air pump, an inflation head and a third push rod motor, the third push rod motor is fixed on the frame, the inflation head is fixed on a push rod of the third push rod motor, and the inflation head is connected with the air pump through an air pipe.

In the straightening device for the feathers, the air bleeding mechanism comprises a fourth push rod motor and a thimble, the fourth push rod motor is fixed on the frame, the thimble is fixed on a push rod of the fourth push rod motor, and the thimble can enter the one-way valve and open the one-way valve.

In the above-mentioned straightener for feather, drive mechanism includes second driving motor, pivot, first driving wheel, second driving wheel, the pivot is rotated and is set up in the frame, second driving motor fix in the frame and the output shaft with the pivot transmission links to each other, first driving wheel, second driving wheel are coaxial fixation respectively at the both ends of pivot, rotate the in-process in the pivot, first driving wheel can drive the slider and slide on first guide rail, the second driving wheel can drive the movable block and slide on the second guide rail.

Compared with the prior art, the invention has the following advantages:

according to the feather straightening machine, the upper end of the feather can be automatically fixed through subsequent equipment only by manually arranging the root of the feather on the fixing component, and then the feather is automatically straightened under the action of gravity, so that the steps of manual intervention are greatly reduced, and the feather straightening efficiency is improved.

Drawings

FIG. 1 is a schematic of the present invention.

Fig. 2 is a sectional view at the fixing assembly of the present invention.

Figure 3 is a top view of the slider of the present invention.

FIG. 4 is a schematic view of the driving mechanism of the present invention.

Fig. 5 is a partially enlarged view of fig. 1.

In the figure, 1, a first guide rail; 101. a first guide section; 102. a second guide section; 2. a second guide rail; 3. a slider; 301. a containing groove; 302. a through hole; 4. a fixing assembly; 401. a movable block; 402. a rotating member; 4021. a fixed channel; 403. a fixing sheet; 5. a connecting member; 6. a balancing weight; 7. a clamp assembly; 701. a moving block; 702. a slide bar; 703. a pneumatic clamp; 704. an air intake line; 705. a one-way valve; 8. a steam shaping box; 9. a connection point; 10. a first push rod motor; 11. a first drive motor; 12. driving the block; 13. a CCD visual detection device; 14. a second push rod motor; 15. pushing the plate; 16. an air pump; 17. an inflation head; 18. a third push rod motor; 19. a fourth push rod motor; 20. a thimble; 21. a second drive motor; 22. a rotating shaft; 23. a first driving wheel; 24. a second driving wheel; 25. a cutting device; 26. a tension spring.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in figures 1 to 5, a straightening device for feathers comprises a frame, a first guide rail 1 is fixed on the frame, a second guide rail 2 is arranged above the first guide rail 1, a sliding block 3 capable of sliding along the first guide rail 1 is arranged on the first guide rail 1 in a sliding manner, a movable fixing component 4 for fixing the feather root of the feathers is arranged on the sliding block 3, the fixing component 4 can be separated from the sliding block 3, the lower end of the fixing component 4 is connected with a balancing weight 6 through two connecting components 5 which are not elastic and deformable, the two connecting components 5 are respectively arranged on two sides of the first guide rail 1, the mass of the balancing weight 6 is smaller than that of the fixing component 4, a plurality of clamp components 7 for fixing the upper end of the shaft of the feathers are arranged on the second guide rail 2 in a sliding manner, a first guide section 101 and a second guide section 102 are arranged on the second guide rail 2, the distance between the first guide section 101 and a first track is smaller than that between the second guide section 102 and the first guide rail 1, a steam shaping box 8 is fixed on the frame, and the first guide rail 1 and the second guide section 102 penetrate through the steam shaping box 8; after the clamp assembly 7 can clamp and fix the upper end of the feather shaft at the first guide section 101, the clamp assembly 7 moves to the second guide section 102, the fixing assembly 4 is separated from the first guide rail 1, the feather is straightened under the action of gravity of the fixing assembly 4, and a driving mechanism for driving the sliding block 3 and the clamp assembly 7 to move synchronously is arranged on the rack.

In the invention, the feather comprises a feather root, a feather shaft and a feather piece. The fixing assemblies 4 correspond to the clamp assemblies 7 one by one.

According to the feather fixing device, feathers are manually inserted into the fixing component 4, the sliding block 3 and the clamp component 7 are simultaneously driven to move through the driving mechanism, after the feathers reach a preset position, the upper end of a feather shaft of each feather is clamped and fixed through the clamp component 7, then the feathers continue to move synchronously, when the first guide section 101 of the clamp component 7 moves to the second guide degree, the clamp component 7 gradually lifts the feathers upwards, the fixing component 4 connected with the feather roots of the feathers is also taken out of the sliding block 3 in the process of lifting the feathers upwards, at the moment, the feathers are straightened under the gravity of the fixing component 4, and then are further shaped after passing through the steam shaping box 8.

According to the feather straightening machine, the upper end of the feather can be automatically fixed through subsequent equipment only by manually arranging the root of the feather on the fixing component 4, and then the feather is automatically straightened under the action of gravity, so that the steps of manual intervention are greatly reduced, and the feather straightening efficiency is improved.

Through balancing weight 6 and adapting unit 5, can make fixed subassembly 4 leave slider 3 back, in the time of can free activity, convenient fixed subassembly 4 plays the guide effect through adapting unit 5 when getting back to slider 3, the accuracy resets.

Specifically, the adjacent sliders 3 are connected by a first link.

Further, the mass of the weight 6 is one tenth of the mass of the fixing member 4.

Specifically, the first rail and the second rail are both circular rails. The design can enable the clamp assembly 7 to form a circulation when entering the second guide section 102 from the first guide section 101 and still returning to the first guide section 101 from the second guide section 102, thereby improving the straightening efficiency of the feathers.

Specifically, two ends of the second guiding section 102 are respectively arc-transition connected with two ends of the first guiding section 101. The jig assembly 7 can be moved on the second guide rail 2 more smoothly.

Specifically, the distance between the second guiding section 102 and the first guiding rail 1 is more than twice as large as the distance between the first guiding section 101 and the first track. This design can make fixed subassembly 4 break away from the slider 3 enough far away, avoids balancing weight 6 and adapting unit 5 to fixed subassembly 4's influence as far as possible, avoids the feather at the in-process of flare-outing, and fixed subassembly 4 takes place to be crooked. Meanwhile, the feather with serious deflection is prevented from being longer than the distance between the second guide section 102 and the first guide rail 1 after being straightened.

Specifically, fixed subassembly 4 includes movable block 401, be equipped with storage tank 301 on slider 3, movable block 401 sets up in storage tank 301 and can break away from in holding tank 301, two through-holes 302 have been seted up on slider 3, adapting unit 5 passes through-hole 302, adapting unit 5 is the tie point 9 with fixed subassembly 4's junction, distance between two through-holes 302 equals with the distance between two tie points 9, movable block 401 middle part is rotated and is provided with and run through the rotation piece 402 of movable block 401, rotation piece 402 middle part has the fixed passage 4021 that runs through, be fixed with on fixed passage 4021's the inner wall and have elastic stationary blade 403.

When the clamp assembly 7 returns to the first guide section 101 from the second guide section 102, the counterweight block 6 can move the connecting part 5 downward, even if the angle of the connecting part 5 relative to the first guide rail 1 is too large, the counterweight block 6 can drive the connecting part 5 to slide in the through hole 302 after the clamp assembly 7 descends, the connecting part 5 plays a role in positioning the movable block 401, and the movable block 401 can accurately return to the accommodating groove 301 of the slider 3. Further, the edge of the accommodating groove 301 of the slider 3 has a guide surface. Further, the fixing plate 403 is disposed obliquely downward, and an angle between the fixing plate 403 and the inner wall of the fixing channel 4021 is 30 to 60 °, and preferably, the included angle is 45 °. Further, the two through holes 302 are located in the accommodating groove 301. Preferably, the two through holes 302 are located at the bottom of the accommodating groove 301.

And the mode of setting up of feather is, in inserting fixed channel 4021 with the root of feather through the manual work, then fix through the flexure strip, the mode of setting up of flexure strip is the slope downwards, can be easily with the feather from last to inserting fixed channel 4021 with the root of feather extremely down, then follow supreme then be difficult to extract the root of feather to make anchor clamps subassembly 7 with the upper end of feather fixed back, can take out this fixed subassembly 4 from slider 3 through the feather. Further, set up the cutting device 25 that is used for cutting off the root of feather in the frame, cutting device 25 is prior art, this cutting device 25 is after the feather is stereotyped, and anchor clamps subassembly 7 returns and starts after first direction section 101, the root of feather is cut off, follow-up anchor clamps subassembly 7 removes the fixed back to the feather upper end again, the feather can drop automatically, then follow-up manual work is when inserting the feather, also need not to take out from fixed through hole 302 the feather root that cuts, the disect insertion new feather can, and the feather root of originally remaining in fixed passage 4021 is then ejecting from last to lower through the newly-inserted feather, it is ejecting from fixed passage 4021 lower extreme.

Specifically, be provided with in the frame and drive a piece 402 pivoted drive arrangement, drive arrangement includes first push rod motor 10, first driving motor 11 and drives piece 12, and first push rod motor 10 fixes in the frame, and first driving motor 11 links firmly on first push rod motor 10's push rod, drives piece 12 and fixes on first driving motor 11's output shaft, drives piece 12 and can support with the lower extreme that rotates piece 402 and lean on and drive and rotate piece 402 and rotate. The first push rod motor 10 is started to drive the first driving motor 11 to move up and down, the first driving motor 11 drives the driving block 12 to rotate, and the rotating block 402 can be driven to rotate after the driving block 12 is contacted with the rotating part 402. Further, the lower end surface of the rotating member 402 and the upper end surface of the driving block 12 are rough surfaces.

Specifically, a CCD vision detecting device 13 is fixed on the frame, and the CCD vision detecting device 13 is used for judging the surface orientation of the feather and cooperating with the driving device to control the rotation of the rotating part 402, thereby adjusting the surface orientation of the feather. The invention also relates to a control device, after the feather is shot by the CCD visual detection device 13, data is transmitted into the control device, and the control device drives the driving device to operate until one surface of the feather faces the CCD visual detection device 13. The control device is prior art.

In particular, the connecting member 5 is a steel cord. The steel rope has enough flexibility and can also play a better guiding role. Also, a multi-joint connecting band which can move in any direction can be adopted.

Specifically, the clamp assembly 7 includes a moving block 701, a sliding rod 702, and a pneumatic clamp 703, the moving block 701 is slidably disposed on the second guide rail 2, the sliding rod 702 is slidably disposed on the moving block 701, and the sliding rod 702 can move up and down relative to the moving block 701, the sliding rod 702 is connected to the moving block 701 through a tension spring 26, the pneumatic clamp 703 is fixed to the lower end of the sliding rod 702, an air inlet end of the pneumatic clamp 703 is connected to an air inlet pipeline 704, a check valve 705 is disposed on the air inlet pipeline 704, and a rack is provided with a pushing mechanism for driving the sliding rod 702 to move down, an inflating mechanism for inflating the pneumatic clamp 703, and a deflating mechanism for deflating the pneumatic clamp 703. After the clamp assembly 7 moves to the preset position, the pushing mechanism drives the sliding rod 702 to move downwards, so that the pneumatic clamp 703 at the lower end of the sliding rod 702 can be close to the upper end of the shaft of the feather, and then the inflating mechanism inflates the pneumatic clamp 703 and causes the pneumatic clamp to clamp the upper end of the shaft of the feather. After the pushing mechanism is released, the sliding rod 702 can be automatically reset by the tension spring 26, so that the feather is initially tensioned.

After the sizing of the clamp assembly 7 is completed, the air release mechanism is started to release the air from the pneumatic clamp 703, so that the pneumatic clamp 703 can be opened, and the feathers fall off from the pneumatic clamp 703. The pneumatic clamp 703 is conventional, and after inflation, the pneumatic clamp 703 can perform a clamping operation, and after deflation, the pneumatic clamp 703 automatically opens the clamping portion. Further, the pneumatic clamp 703 has two plate-like clamping portions. The clamping range of the pneumatic clamp 703 can be effectively increased.

Specifically, the adjacent moving blocks 701 are connected by a second link.

Specifically, the pushing mechanism includes a second push rod motor 14, and a push plate 15 is fixed on a push rod of the second push rod motor 14. The second push rod motor 14 is started to drive the push plate 15 to move, and the push plate 15 abuts against the upper end of the sliding rod 702.

Specifically, the inflation mechanism comprises an air pump 16, an inflation head 17 and a third push rod motor 18, the third push rod motor 18 is fixed on the frame, the inflation head 17 is fixed on a push rod of the third push rod motor 18, and the inflation head 17 is connected with the air pump 16 through an air pipe. The third push rod motor 18 is started to drive the inflation head 17 to move, and after the inflation head 17 is in butt joint with the air inlet pipeline 704 connected with the pneumatic clamp 703, the air pump 16 is started to enable the pneumatic clamp 703 to be pneumatic.

Specifically, the air bleeding mechanism includes a fourth push rod motor 19 and an ejector pin 20, the fourth push rod motor 19 is fixed on the frame, the ejector pin 20 is fixed on the push rod of the fourth push rod motor 19, and the ejector pin 20 can enter the check valve 705 and open the check valve. The fourth push rod motor 19 is started to drive the thimble 20 to move, and the thimble 20 is inserted into the air inlet pipeline 704 to push the check valve 705 open. Causing the gas within the pneumatic clamp 703 to be released.

Specifically, the driving mechanism comprises a second driving motor 21, a rotating shaft 22, a first driving wheel 23 and a second driving wheel 24, the rotating shaft 22 is rotatably arranged on the rack, the second driving motor 21 is fixed on the rack, an output shaft of the second driving motor is in transmission connection with the rotating shaft 22, the first driving wheel 23 and the second driving wheel 24 are respectively and coaxially fixed at two ends of the rotating shaft 22, in the rotating process of the rotating shaft 22, the first driving wheel 23 can drive the sliding block 3 to slide on the first guide rail 1, and the second driving wheel 24 can drive the moving block 701 to slide on the second guide rail 2. The second driving motor 21 is started to drive the rotating shaft 22 to rotate, the rotating shaft 22 drives the first driving wheel 23 and the second driving wheel 24 to rotate, and the first driving wheel 23 and the second driving wheel 24 respectively drive the sliding block 3 and the moving block 701 to move.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. The utility model provides a straightener for feather, includes the frame, its characterized in that, be fixed with first guide rail (1) in the frame, the top of first guide rail (1) is provided with second guide rail (2), it can along gliding slider (3) of first guide rail (1) to slide on first guide rail (1), be provided with fixed subassembly (4) that can move about on slider (3), fixed subassembly (4) can be followed break away from on slider (3), fixed subassembly (4) lower extreme is connected with balancing weight (6) through two elastic, deformable adapting unit (5) that do not have, two adapting unit (5) set up respectively the both sides of first guide rail (1), the quality of balancing weight (6) is less than the quality of fixed subassembly (4), it is provided with a plurality of anchor clamps subassemblies (7) that are used for fixed feather epaxial end of feather to slide on second guide rail (2), the second guide rail (2) is provided with a first guide section (101) and a second guide section (102), the distance between the first guide section (101) and the first track is smaller than the distance between the second guide section (102) and the first guide rail (1), the rack is fixedly provided with a steam shaping box (8), and the first guide rail (1) and the second guide section (102) penetrate through the steam shaping box (8); anchor clamps subassembly (7) can be in first direction section (101) department with the feather shaft upper end press from both sides tight fixed back anchor clamps subassembly (7) remove extremely second direction section (102) in-process, fixed subassembly (4) are followed break away from on first guide rail (1) to make the feather straighten under fixed subassembly (4) action of gravity, be provided with the actuating mechanism who is used for driving slider (3) and anchor clamps subassembly (7) synchronous motion in the frame.

2. The straightening device for feathers of claim 1 wherein the first and second rails are both circular rails.

3. The straightening device for feathers according to claim 1, wherein both ends of the second guide section (102) are respectively connected with both ends of the first guide section (101) in an arc transition manner.

4. The straightening device for feathers according to claim 1, wherein the distance between the second guide section (102) and the first guide rail (1) is more than twice as large as the distance between the first guide section (101) and the first track.

5. Straightening arrangement for feathers, in accordance with claim 1, characterized in that the stationary assembly (4) comprises a movable block (401), an accommodating groove (301) is arranged on the sliding block (3), the movable block (401) is arranged in the accommodating groove (301) and can be separated from the accommodating groove (301), two through holes (302) are arranged on the sliding block (3), the connecting part (5) penetrates through the through holes (302), the connecting part (5) and the fixing component (4) are connected by a connecting point (9), the distance between the two through holes (302) is equal to the distance between the two connecting points (9), a rotating part (402) which is rotatably arranged in the middle of the movable block (401) and penetrates through the movable block (401), the middle part of the rotating part (402) is provided with a fixing channel (4021) which penetrates through, and the inner wall of the fixing channel (4021) is fixed with an elastic fixing piece (403).

6. The straightening device for feathers according to claim 1, wherein a driving device for driving the rotating member (402) to rotate is arranged on the frame, the driving device comprises a first push rod motor (10), a first driving motor (11) and a driving block (12), the first push rod motor (10) is fixed on the frame, the first driving motor (11) is fixedly connected to a push rod of the first push rod motor (10), the driving block (12) is fixed on an output shaft of the first driving motor (11), and the driving block (12) can abut against the lower end of the rotating member (402) and drive the rotating member (402) to rotate.

7. The straightening device for the feathers according to claim 1, wherein a CCD visual detection device (13) is fixed on the frame, and the CCD visual detection device (13) is used for judging the surface orientation of the feathers and is matched with a driving device to control the rotation of the rotating part (402) so as to adjust the surface orientation of the feathers.

8. The straightening device for feathers according to claim 1, wherein the jig assembly (7) comprises a moving block (701), a sliding rod (702), a pneumatic clamp (703), the moving block (701) is arranged on the second guide rail (2) in a sliding manner, the sliding rod (702) is arranged on the moving block (701) in a sliding manner, and the slide bar (702) is movable up and down with respect to the moving block (701), the sliding rod (702) is connected with the moving block (701) through a tension spring, the pneumatic clamp (703) is fixed at the lower end of the sliding rod (702), the air inlet end of the pneumatic clamp (703) is connected with an air inlet pipeline (704), the air inlet pipeline (704) is provided with a one-way valve (705), and the rack is provided with a pushing mechanism for driving the sliding rod (702) to move downwards, an inflating mechanism for inflating the pneumatic clamp (703) and an deflating mechanism for deflating the pneumatic clamp (703).

9. The straightening device for feathers according to claim 1, wherein the pushing mechanism comprises a second push rod motor (14), and a push plate (15) is fixed on a push rod of the second push rod motor (14).

10. The straightening device for the feathers according to claim 1, wherein the inflation mechanism comprises an air pump (16), an inflation head (17) and a third push rod motor (18), the third push rod motor (18) is fixed on the frame, the inflation head (17) is fixed on a push rod of the third push rod motor (18), and the inflation head (17) is connected with the air pump (16) through an air pipe.