CN214578495U

CN214578495U - Automatic elasticity adjusting equipment of helical and elasticity-adjustable gas spring

Info

Publication number: CN214578495U
Application number: CN202022890846.0U
Authority: CN
Inventors: 简添贵; 黄广昶
Original assignee: Dongguan Xinheng Intelligent Equipment Technology Co ltd
Current assignee: Harbin Xike Intelligent Equipment Co ltd
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-11-02
Anticipated expiration: 2030-12-07

Abstract

The invention discloses a spiral automatic elasticity adjusting device of a gas spring with adjustable elasticity, which comprises a shell, a second spring, a mandrel, an adjusting shell and a hollow block, wherein one side of the top end and one side of the bottom end of the shell are respectively provided with a protective structure, one end of the adjusting shell is provided with a lubricating structure, the invention realizes the accurate adjustment of the gas spring by arranging the adjusting structure, the limiting bolt can move upwards to be separated from the inside of an adjusting hole when rotating by sequentially rotating a limiting bolt, a rotating handle is rotated in the forward direction, the rotating handle can drive a threaded rod to rotate in a threaded sleeve, the threaded rod can drive the hollow block to move to the left side through a rotating shaft, the second spring can extend to the left side, the elasticity of the second spring can be reduced, the rotating handle is stopped when the proper distance is adjusted, the limiting bolt is rotated to enable the limiting bolt to be arranged in the adjusting hole, so as to facilitate the accurate adjustment of the gas spring, and has the function of guiding and limiting during adjustment, thereby preventing the phenomenon of deviation.

Description

Automatic elasticity adjusting equipment of helical and elasticity-adjustable gas spring

Technical Field

The invention relates to the technical field of springs, in particular to automatic elasticity adjusting equipment of a spiral gas spring with adjustable elasticity.

Background

With the rapid development of national economy and the continuous improvement of economic level, the machinery manufacturing industry in China has been developed rapidly, the spring can not be separated in the machinery manufacturing, the usage of the spring is very wide, almost the indispensable element of general machinery, when the spring is acted by external force, the elastic deformation is generated, so the strain energy is stored and released randomly, the gas spring in the spring type is an industrial accessory which can play the functions of supporting, buffering, braking, height adjustment, angle adjustment and the like, when the gas spring is used, the elasticity adjusting equipment is needed to be used for adjusting the elasticity of the gas spring, and therefore, the special automatic elasticity adjusting equipment of the gas spring with spiral shape and adjustable elasticity is used.

However, when the existing automatic elasticity adjusting device for the gas spring in the market is used, the gas spring is not convenient to be accurately adjusted, and the automatic elasticity adjusting device does not have a guiding and limiting function during adjustment, and may generate a phenomenon of deviation, so that the use effect of the whole elasticity adjusting device is affected.

Disclosure of Invention

Technical problem to be solved

The invention aims to provide a spiral automatic elasticity adjusting device of a gas spring with adjustable elasticity, which aims to solve the problems that the gas spring is inconvenient to accurately adjust, the gas spring does not have a guiding and limiting function during adjustment, and the phenomenon of deviation possibly occurs, so that the integral using effect of the elasticity adjusting device is influenced in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a spiral automatic elasticity adjusting device of a gas spring with adjustable elasticity comprises a shell, a second spring, a mandrel, an adjusting shell and a hollow block, wherein a protective structure is installed at the top end of the shell and one side of the bottom end of the shell, the mandrel is arranged in the shell, a piston plate is fixed on one side of the mandrel, a connecting shaft is fixed on one side of the piston plate, one side of the connecting shaft extends to the outside of the shell, the second spring penetrates through the outside of the mandrel, one side of the second spring is fixedly connected with the piston plate, the hollow block penetrates through one side of the outside of the mandrel, one side of the hollow block is fixedly connected with the second spring, an adjusting structure is installed on the other side of the hollow block, the adjusting structure comprises a rotating handle, a threaded rod, a threaded sleeve, a barrel, a rotating shaft, an adjusting hole, a pull rod, a limiting hole and a limiting bolt, the threaded sleeve is fixed in the reserved cavity, the inner part of the threaded sleeve is movably connected with a threaded rod, one side of the threaded rod is fixed with a rotating handle, the other side of the threaded rod is movably connected with a rotating shaft, one side of the rotating shaft is movably connected with the other side of the hollow block, the top end and the bottom end of the inner part of the adjusting shell are both provided with a cylinder body, the inner part of the cylinder body is provided with a pull rod, the inner part of the pull rod is provided with an adjusting hole, the inner part of the adjusting hole is provided with a limiting bolt, the top end of the limiting bolt extends to the top end of the shell body, the outer part of the limiting bolt is movably connected with a limiting hole, the limiting hole is arranged in the shell body, the other side of the top end and the bottom end of the shell body is fixed with a fixing plate, the inner part of the fixing plate is provided with a fixing bolt, one side of the shell body is fixed with the adjusting shell, the inner part of the adjusting shell is provided with a reserved cavity, one side of the inner part of the shell body is provided with a reserved hole, and a lubricating structure is arranged at one end of the adjusting shell.

Preferably, the protective structure comprises a containing shell, a sliding hole, a pressing handle, a sliding rod, a fixed rod, a connecting plate, a first spring, a notch, a pressing block and a linkage arm, the containing shell is arranged at one side of the top end and the bottom end of the shell, the connecting plate is fixed at the top end inside the containing shell, the sliding hole is formed in one side inside the connecting plate, the sliding rod penetrates through the inside of the sliding hole, the pressing handle is fixed at the top end of the sliding rod, the fixed rod is fixed at the bottom end of the connecting plate, the linkage arm is movably connected with one end of the fixed rod, the first spring is fixed at one side of the top end of the linkage arm, the top end of the first spring is fixedly connected with the bottom end of the connecting plate, one side of the containing shell is movably connected with the bottom end of the sliding rod, the pressing block is fixed at the bottom end of the linkage arm, the bottom end of the pressing block extends into the shell, the notch penetrates through the outside of the bottom end of the linkage arm, and the notch is arranged on one side of the top end in the shell.

Preferably, the outer diameter of the slide rod is smaller than the inner diameter of the slide hole, and a sliding structure is formed between the slide rod and the slide hole.

Preferably, the linkage arm is movably connected with the fixed rod, the linkage arm forms a telescopic structure through a first spring, and the outer diameter of the bottom end of the pressing block is smaller than the inner diameter of the notch.

Preferably, the threaded rod forms a rotating structure through a rotating handle, and the threaded rod is movably connected with the hollow block through a rotating shaft.

Preferably, the outer side wall of the threaded rod is uniformly provided with external threads, the inner side wall of the threaded sleeve is uniformly provided with internal threads matched with the external threads, and the threaded rod is in threaded connection with the threaded sleeve.

Preferably, the inner diameter of the threaded sleeve is larger than the outer diameter of the pull rod, the inner diameter of the adjusting hole is larger than the outer diameter of the limiting bolt, and the adjusting hole and the limiting bolt are matched with each other.

Preferably, a plurality of adjusting holes are formed in the pull rod, and the adjusting holes are arranged in the pull rod at equal intervals.

Preferably, lubricating structure includes standing groove, defeated oil pipe, oil filler point, connecting block, hole stopper, connecting band, connector and oil leakage hole, the standing groove sets up in the one end of adjusting the shell, the inside of standing groove is provided with the oil filler point, and the top of oil filler point is fixed with the connecting block, the top of connecting block is fixed with the connecting band, and the top of connecting band is fixed with the hole stopper, the one end of oil filler point is fixed with defeated oil pipe, and one side of defeated oil pipe is fixed with the connector, the inside one side of thread bush all is provided with the oil leakage hole.

Preferably, the oil filler point is linked together with defeated oil pipe, defeated oil pipe is linked together through connector and oil leakage hole, the oil leakage hole is provided with a plurality of.

(III) advantageous effects

Compared with the prior art, the invention has the beneficial effects that: this automatic elasticity adjusting equipment of atmospheric spring of heliciform and adjustable elasticity has not only realized being convenient for carry out the accurate adjustment to atmospheric spring, and have the spacing function of direction during the adjustment, the phenomenon of skew prevents to take place, also realized being convenient for protect the second spring simultaneously, prevent that the second spring from producing deformation because of the compression degree is too big, the life of second spring has been prolonged and be convenient for carry out the oiling lubrication to thread bush and threaded rod, the lubrication degree when having improved threaded rod and thread bush and using, operating efficiency is higher.

(1) Realized being convenient for carry out the accurate adjustment to gas spring through being provided with regulation structure, through revolving limiting bolt in proper order, limiting bolt can upwards move when rotating, continue rotatory limiting bolt to make limiting bolt break away from the inside of regulation hole, later forward rotation turning handle, the turning handle can drive the threaded rod and rotate in the inside of thread bush, the threaded rod can drive hollow block through the pivot and remove to the left side when rotatory simultaneously, the pull rod can stretch out and draw back to the inside of barrel this moment, the second spring can extend to the left side, the elasticity of second spring can reduce, the stall turning handle when adjusting suitable distance, rotatory limiting bolt makes limiting bolt install the inside of regulation hole, be convenient for carry out the accurate adjustment to gas spring, and have the spacing function of direction during the adjustment, prevent the phenomenon of skew.

(2) Realized being convenient for protect the second spring through being provided with protective structure, the second spring is when using, the connecting axle can be through piston board to one side extrusion second spring, when the piston board excessively extrudees the second spring, the second spring is probably to produce deformation, one side of piston board can collide the briquetting this moment, the briquetting can support the pressure to the piston board, prevent that the piston board from continuing to extrude the second spring to one side, thereby realized being convenient for protect the second spring, prevent that the second spring from producing deformation because of the compression degree is too big, the life of second spring has been prolonged.

(3) Realized being convenient for carry out the oiling lubrication to thread bush and threaded rod through being provided with lubricating structure, when threaded rod and thread bush use for a long time, through extracting the inside of hole stopper from the oil filler point, pour into appropriate amount lubricating oil into the inside of oil filler point through the syringe, lubricating oil can flow into defeated oil pipe's inside through the oil filler point, and then flow into the inside of connector, ooze to the screw thread department of thread bush by oozing the oil filler point at last, make the threaded rod rotate in the inside of thread bush through rotating the turning handle, the threaded rod can be lubricated with the inside lubricating oil full contact of thread bush when rotating, the lubricated degree when threaded rod and thread bush use has been improved, and operation efficiency is higher.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a side view partially in section of the present invention;

FIG. 4 is a schematic view of a front cross-sectional structure of a protective structure of the present invention

FIG. 5 is an enlarged partial cross-sectional view taken at A in FIG. 1 according to the present invention;

FIG. 6 is a schematic front view of the lubricating structure of the present invention;

fig. 7 is an enlarged partial sectional view of the structure of fig. 3B according to the present invention.

In the figure: 1. a housing; 2. a protective structure; 201. a housing shell; 202. a slide hole; 203. a pressing handle; 204. a slide bar; 205. fixing the rod; 206. a connecting plate; 207. a first spring; 208. a notch; 209. a pressing block; 210. a linkage arm; 3. a second spring; 4. a mandrel; 5. an adjustment structure; 501. a handle is rotated; 502. a threaded rod; 503. a threaded sleeve; 504. a barrel; 505. a rotating shaft; 506. an adjustment hole; 507. a pull rod; 508. a limiting hole; 509. a limit bolt; 6. a fixing sheet; 7. fixing the bolt; 8. an adjustment housing; 9. reserving a cavity; 10. a hollow block; 11. a piston plate; 12. a connecting shaft; 13. reserving a hole; 14. a lubrication structure; 1401. a placement groove; 1402. an oil delivery pipe; 1403. an oil filler hole; 1404. connecting blocks; 1405. a hole plug; 1406. a connecting belt; 1407. a connecting port; 1408. an oil penetration hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-7, an embodiment of the present invention is shown: an automatic elasticity adjusting device of a spiral and elasticity-adjustable gas spring comprises a shell 1, a second spring 3, a mandrel 4, an adjusting shell 8 and a hollow block 10, wherein protective structures 2 are respectively installed at the top end and one bottom end of the shell 1, the mandrel 4 is arranged in the shell 1, a piston plate 11 is fixed at one side of the mandrel 4, a connecting shaft 12 is fixed at one side of the piston plate 11, one side of the connecting shaft 12 extends to the outside of the shell 1, the second spring 3 penetrates through the outside of the mandrel 4, one side of the second spring 3 is fixedly connected with the piston plate 11, the hollow block 10 penetrates through one side of the outside of the mandrel 4, one side of the hollow block 10 is fixedly connected with the second spring 3, the adjusting structure 5 is installed at the other side of the top end and the bottom end of the shell 1, fixing plates 6 are fixed at the other sides of the top end and the bottom end of the shell 1, and fixing bolts 7 are installed in the fixing plates 6, one side of casing 1 is fixed with adjusts shell 8, and adjusts the inside of shell 8 and be provided with reserved chamber 9, and one side of the inside of casing 1 is provided with preformed hole 13, and lubricating structure 14 is installed to the one end of adjusting shell 8.

The adjusting structure 5 comprises a rotating handle 501, a threaded rod 502, a threaded sleeve 503, a cylinder 504, a rotating shaft 505, an adjusting hole 506, a pull rod 507, a limiting hole 508 and a limiting bolt 509, the threaded sleeve 503 is fixed inside the reserved cavity 9, the threaded sleeve 503 is movably connected with the threaded rod 502 inside, the rotating handle 501 is fixed on one side of the threaded rod 502, the rotating shaft 505 is movably connected on the other side of the threaded rod 502, one side of the rotating shaft 505 is movably connected with the other side of the hollow block 10, the cylinder 504 is arranged at the top end and the bottom end inside the adjusting shell 8, the pull rod 507 is arranged inside the cylinder 504, the adjusting hole 506 is arranged inside the pull rod 507, the limiting bolt 509 is arranged inside the adjusting hole 506, the top end of the limiting bolt 509 extends to the top end of the shell 1, the limiting hole 508 is movably connected outside the limiting bolt 509, the limiting hole 508 is arranged inside the shell 1, the threaded rod 502 forms a rotating structure through the rotating handle 501, threaded rod 502 is through pivot 505 and hollow block 10 swing joint, evenly be provided with the external screw thread on the lateral wall of threaded rod 502, evenly be provided with the internal thread of mutually supporting with the external screw thread on the inside wall of thread bush 503, constitute threaded connection between threaded rod 502 and the thread bush 503, the internal diameter of thread bush 503 is greater than the external diameter of pull rod 507, the internal diameter of regulation hole 506 is greater than limit bolt 509's external diameter, mutually support between regulation hole 506 and the limit bolt 509, the inside of pull rod 507 is provided with a plurality of regulation hole 506, a plurality of regulation hole 506 is equidistant range in the inside of pull rod 507.

When the mechanism is used, firstly, when the elasticity of the gas spring needs to be adjusted, the limiting bolt 509 is sequentially rotated, the limiting bolt 509 moves upwards when rotated, the limiting bolt 509 is continuously rotated to enable the limiting bolt 509 to be separated from the inside of the adjusting hole 506, the fixing of the pull rod 507 is released, then the rotating handle 501 is rotated forwards, the rotating handle 501 drives the threaded rod 502 to rotate in the threaded sleeve 503, meanwhile, the threaded rod 502 drives the hollow block 10 to move towards the left side through the rotating shaft 505 when rotated, at the moment, the pull rod 507 stretches towards the inside of the cylinder 504, the second spring 3 extends towards the left side, the elasticity of the second spring 3 is reduced, the rotating handle 501 is stopped when the proper distance is adjusted, the limiting hole 508 is aligned with the adjusted adjusting hole 506, the limiting bolt 509 is rotated to enable the limiting bolt 509 to be installed in the adjusting hole 506, and therefore, the elasticity of the spring can be adjusted according to the distance between the adjusting holes 506, the pneumatic spring is convenient to accurately adjust, and has a guiding and limiting function during adjustment, so that the phenomenon of deviation is prevented.

The protective structure 2 comprises a containing shell 201, a sliding hole 202, a pressing handle 203, a sliding rod 204, a fixed rod 205, a connecting plate 206, a first spring 207, a notch 208, a pressing block 209 and a linkage arm 210, wherein the containing shell 201 is installed at one side of the top end and the bottom end of the shell 1, the connecting plate 206 is fixed at the top end inside the containing shell 201, the sliding hole 202 is arranged at one side inside the connecting plate 206, the sliding rod 204 penetrates through the sliding hole 202, the pressing handle 203 is fixed at the top end of the sliding rod 204, the fixed rod 205 is fixed at the bottom end of the connecting plate 206, the linkage arm 210 is movably connected at one end of the fixed rod 205, the first spring 207 is fixed at one side of the top end of the linkage arm 210, the top end of the first spring 207 is fixedly connected with the bottom end of the connecting plate 206, one side of the containing shell 201 is movably connected with the bottom end of the sliding rod 204, the pressing block 209 is fixed at the bottom end of the linkage arm 210, and the bottom end of the pressing block 209 extends to the inside of the shell 1, the notch 208 penetrates through the outer portion of the bottom end of the linkage arm 210, the notch 208 is arranged on one side of the top end inside the shell 1, the outer diameter of the sliding rod 204 is smaller than the inner diameter of the sliding hole 202, a sliding structure is formed between the sliding rod 204 and the sliding hole 202, the linkage arm 210 is movably connected with the fixed rod 205, the linkage arm 210 forms a telescopic structure through the first spring 207, and the outer diameter of the bottom end of the pressing block 209 is smaller than the inner diameter of the notch 208.

When the mechanism is used, firstly, when the second spring 3 is used, the connecting shaft 12 can extrude the second spring 3 to one side through the piston plate 11, when the piston plate 11 excessively extrudes the second spring 3, the second spring 3 can be deformed, at the moment, one side of the piston plate 11 can collide with the pressing block 209, the pressing block 209 can press the piston plate 11, the piston plate 11 is prevented from continuously extruding the second spring 3 to one side, meanwhile, when the pressing of the piston plate 11 needs to be relieved, the pressing handle 203 is sequentially pressed, the sliding rod 204 can slide downwards in the sliding hole 202 by the pressing handle 203, meanwhile, one side of the sliding arm 210 can be driven by the bottom end of the sliding rod 204 to press downwards, the pressing block 209 can be driven by the other side of the linkage arm 210 to move upwards, when the pressing block 209 moves to the inside of the notch 208, the pressing of the piston plate 11 is relieved, when the pressing handle 203 is loosened, the pressing block 209 can be reset by the first spring 207, thereby realized being convenient for protect second spring 3, prevented that second spring 3 from producing deformation because of the pressurized degree is too big, prolonged second spring 3's life.

Lubricating structure 14 includes standing groove 1401, defeated oil pipe 1402, oil filler point 1403, connecting block 1404, hole stopper 1405, connecting band 1406, connecting port 1407 and oil leakage hole 1408, standing groove 1401 sets up in the one end of adjusting shell 8, the inside of standing groove 1401 is provided with oil filler point 1403, and the top of oil filler point 1403 is fixed with connecting block 1404, the top of connecting block 1404 is fixed with connecting band 1406, and the top of connecting band 1406 is fixed with hole stopper 1405, the one end of oil filler point 1403 is fixed with defeated oil pipe 1402, and one side of defeated oil pipe 1402 is fixed with connecting port 1407, the inside one side of thread bush 503 all is provided with oil leakage hole 1408, oil filler point 1403 is linked together with defeated oil pipe 1402, defeated oil pipe 1402 is linked together through connecting port 1407 and oil leakage hole 1408, oil leakage hole 1408 is provided with a plurality ofly.

When the mechanism is used, firstly, when the threaded rod 502 and the threaded sleeve 503 are used for a long time, the interior of the threaded rod can be sluggish, at the moment, oil is injected for lubrication, the hole plug 1405 is pulled out from the interior of the oil hole 1403, then the hole plug 1405 is turned to the top of the oil hole 1403, a proper amount of lubricating oil is injected into the oil hole 1403 through the injector, the lubricating oil can flow into the oil pipeline 1402 through the oil hole 1403 and further flows into the connecting port 1407, finally, the lubricating oil seeps out from the thread of the threaded sleeve 503 through the oil seepage hole 1408, the threaded rod 502 is rotated in the threaded sleeve 503 by rotating the rotating handle 501, the threaded rod 502 can be fully contacted with the lubricating oil in the threaded sleeve 503 for lubrication when rotating, and finally, the hole plug 1405 is installed in the oil hole 1403, so that the threaded sleeve 503 and the threaded rod 502 can be conveniently injected with oil for lubrication, and the lubricating the threaded rod 502 and the threaded sleeve 503 when in use are improved, the operation efficiency is higher.

The working principle is as follows: when the pneumatic spring adjusting device is used, firstly, when the elastic force of the pneumatic spring needs to be adjusted, the limiting bolts 509 are sequentially rotated, the limiting bolts 509 move upwards when rotated, the limiting bolts 509 are continuously rotated to enable the limiting bolts 509 to be separated from the interior of the adjusting holes 506, the fixing of the pull rods 507 is released, then the rotating handle 501 is rotated forwards, the rotating handle 501 can drive the threaded rods 502 to rotate in the threaded sleeves 503, meanwhile, the threaded rods 502 can drive the hollow blocks 10 to move towards the left side through the rotating shafts 505 when rotated, the pull rods 507 can stretch towards the interior of the cylinder body 504, the second springs 3 can extend towards the left side, the elastic force of the second springs 3 can be reduced, the rotating handle 501 stops rotating when the distance is adjusted to be proper, the limiting holes 508 are aligned with the adjusted adjusting holes 506, and the limiting bolts 509 are rotated to enable the limiting bolts 509 to be installed in the adjusting holes 506.

Secondly, when the second spring 3 is used, the connecting shaft 12 can extrude the second spring 3 to one side through the piston plate 11, when the piston plate 11 excessively extrudes the second spring 3, the second spring 3 may deform, at this time, one side of the piston plate 11 can collide with the pressing block 209, the pressing block 209 can press the piston plate 11, the piston plate 11 is prevented from continuously extruding the second spring 3 to one side, meanwhile, when the pressing of the piston plate 11 needs to be relieved, the pressing handle 203 is pressed in sequence, the sliding rod 204 can slide downwards in the sliding hole 202 by the pressing handle 203, meanwhile, the bottom end of the sliding rod 204 can drive one side of the linkage arm 210 to press downwards, the other side of the linkage arm 210 can drive the pressing block 209 to move upwards, when the pressing block 209 moves to the inside of the notch 208, the pressing of the piston plate 11 is relieved, and when the pressing handle 203 is released, the pressing block 209 can be reset by the first spring 207.

Finally, when threaded rod 502 and thread bush 503 are used for a long time, the phenomenon of slowness may appear in the inside, need oiling lubrication this moment, pull out hole stopper 1405 from the inside of oil filler point 1403, later overturn hole stopper 1405 to the top of oil filler point 1403, pour into appropriate amount of lubricating oil into the inside of oil filler point 1403 through the syringe, lubricating oil can flow into the inside of defeated oil pipe 1402 through oil filler point 1403, and then flow into the inside of connecting port 1407, ooze to the screw thread department of thread bush 503 by oozing oil hole 1408 at last, make threaded rod 502 rotate in the inside of thread bush 503 through rotating turning handle 501, threaded rod 502 can fully contact the lubrication with the inside lubricating oil of thread bush 503 when rotating, finally, install the hole stopper in the inside of oil filler point 1403 can, the adjustment work of atmospheric pressure spring elasticity is finally accomplished.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore desired that the present embodiments be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, without any reference thereto being construed as limiting the claim concerned.

Claims

1. The utility model provides an automatic elasticity adjustment equipment of atmospheric spring of heliciform and adjustable elasticity, includes casing (1), second spring (3), dabber (4), adjusts shell (8) and hollow block (10), its characterized in that: protective structure (2) are all installed to one side of casing (1) top and bottom, the inside of casing (1) is provided with dabber (4), and one side of dabber (4) is fixed with piston board (11), one side of piston board (11) is fixed with connecting axle (12), and one side of connecting axle (12) extends to the outside of casing (1), the outside of dabber (4) is run through has second spring (3), and one side and piston board (11) fixed connection of second spring (3), the outside one side of dabber (4) is run through has hollow block (10), and one side and second spring (3) fixed connection of hollow block (10), regulation structure (5) are installed to the opposite side of hollow block (10), regulation structure (5) are including turning handle (501), threaded rod (502), thread bush (503), barrel (504), The hollow block type air conditioner is characterized by comprising a rotating shaft (505), adjusting holes (506), a pull rod (507), limiting holes (508) and limiting bolts (509), wherein the threaded sleeve (503) is fixed inside the reserved cavity (9), a threaded rod (502) is movably connected inside the threaded sleeve (503), a rotating handle (501) is fixed on one side of the threaded rod (502), a rotating shaft (505) is movably connected on the other side of the threaded rod (502), one side of the rotating shaft (505) is movably connected with the other side of the hollow block (10), a barrel body (504) is arranged at the top end and the bottom end inside the adjusting shell (8), the pull rod (507) is arranged inside the barrel body (504), the adjusting holes (506) are arranged inside the pull rod (507), the limiting bolts (509) are installed inside the adjusting holes (506), the top ends of the limiting bolts (509) extend to the top end of the shell (1), and the limiting holes (508) are movably connected outside the limiting bolts (509), and spacing hole (508) set up in the inside of casing (1), the opposite side of casing (1) top and bottom is fixed with stationary blade (6), and the inside of stationary blade (6) all installs fixing bolt (7), one side of casing (1) is fixed with adjusts shell (8), and the inside of adjusting shell (8) is provided with reserves chamber (9), the inside one side of casing (1) is provided with preformed hole (13), lubricating structure (14) are installed to the one end of adjusting shell (8).

2. The automatic spring force adjusting apparatus of a helical spring with adjustable spring force according to claim 1, wherein: the protective structure (2) comprises a containing shell (201), a sliding hole (202), a pressing handle (203), a sliding rod (204), a fixed rod (205), a connecting plate (206), a first spring (207), a notch (208), a pressing block (209) and a linkage arm (210), wherein the containing shell (201) is installed on one side of the top end and the bottom end of the shell (1), the connecting plate (206) is fixed on the top end inside the containing shell (201), the sliding hole (202) is formed in one side inside the connecting plate (206), the sliding rod (204) penetrates through the inside of the sliding hole (202), the pressing handle (203) is fixed on the top end of the sliding rod (204), the fixed rod (205) is fixed on the bottom end of the connecting plate (206), the linkage arm (210) is movably connected to one end of the fixed rod (205), the first spring (207) is fixed on one side of the top end of the linkage arm (210), and the top end of the first spring (207) is fixedly connected with the bottom end of the connecting plate (206), one side of holding shell (201) and the bottom swing joint of slide bar (204), the bottom of linkage arm (210) is fixed with suppression piece (209), and the bottom of suppression piece (209) extends to the inside of casing (1), the outside of linkage arm (210) bottom is run through there is notch (208), and notch (208) set up in one side on the inside top of casing (1).

3. The automatic spring force adjusting apparatus of a helical spring with adjustable spring force according to claim 2, wherein: the outer diameter of the slide rod (204) is smaller than the inner diameter of the slide hole (202), and a sliding structure is formed between the slide rod (204) and the slide hole (202).

4. The automatic spring force adjusting apparatus of a helical spring with adjustable spring force according to claim 2, wherein: the linkage arm (210) is movably connected with the fixing rod (205), the linkage arm (210) forms a telescopic structure through a first spring (207), and the outer diameter of the bottom end of the pressing block (209) is smaller than the inner diameter of the notch (208).

5. The automatic spring force adjusting apparatus of a helical spring with adjustable spring force according to claim 1, wherein: the threaded rod (502) forms a rotating structure through a rotating handle (501), and the threaded rod (502) is movably connected with the hollow block (10) through a rotating shaft (505).

6. The automatic spring force adjusting apparatus of a helical spring with adjustable spring force according to claim 1, wherein: the outer side wall of the threaded rod (502) is uniformly provided with external threads, the inner side wall of the threaded sleeve (503) is uniformly provided with internal threads matched with the external threads, and the threaded rod (502) and the threaded sleeve (503) are in threaded connection.

7. The automatic spring force adjusting apparatus of a helical spring with adjustable spring force according to claim 1, wherein: the inner diameter of the threaded sleeve (503) is larger than the outer diameter of the pull rod (507), the inner diameter of the adjusting hole (506) is larger than the outer diameter of the limiting bolt (509), and the adjusting hole (506) and the limiting bolt (509) are matched with each other.

8. The automatic spring force adjusting apparatus of a helical spring with adjustable spring force according to claim 1, wherein: a plurality of adjusting holes (506) are formed in the pull rod (507), and the adjusting holes (506) are arranged in the pull rod (507) at equal intervals.

9. The automatic spring force adjusting apparatus of a helical spring with adjustable spring force according to claim 1, wherein: lubricating structure (14) include standing groove (1401), defeated oil pipe (1402), oil filler point (1403), connecting block (1404), hole stopper (1405), connecting band (1406), connecting port (1407) and oil leakage hole (1408), standing groove (1401) set up in the one end of adjusting shell (8), the inside of standing groove (1401) is provided with oil filler point (1403), and the top of oil filler point (1403) is fixed with connecting block (1404), the top of connecting block (1404) is fixed with connecting band (1406), and the top of connecting band (1406) is fixed with hole stopper (1405), the one end of oil filler point (1403) is fixed with defeated oil pipe (1402), and one side of defeated oil pipe (1402) is fixed with connecting port (1407), one side of thread bush (503) inside all is provided with oil leakage hole (1408).

10. The automatic spring force adjusting apparatus of a helical spring with adjustable spring force according to claim 9, wherein: the oil filler point (1403) is communicated with an oil delivery pipe (1402), the oil delivery pipe (1402) is communicated with an oil penetration hole (1408) through a connecting port (1407), and the oil penetration hole (1408) is provided with a plurality of oil penetration holes.