CN110098038A

CN110098038A - A kind of adjustable variable-pressure device

Info

Publication number: CN110098038A
Application number: CN201910320863.XA
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-21
Filing date: 2019-04-21
Publication date: 2019-08-06

Abstract

The present invention relates to a kind of adjustable variable-pressure devices, including shell, annular core, further include carbon brush, regulating device；A kind of adjustable transformer of the present invention drives the carbon brush to circumferentially rotate and adjusts the position of brush head in radial directions by regulating device；The brush head avoids the winding reciprocating friction in same circular trace with annular core, and then avoids the damage of annular core winding；Sliding brush holder support moving direction can also be switched, so that the brush head has flexible and two kinds of move modes of diastole in radial directions, brush head is allowed to continue to use；The movement speed of the brush head is very slow, avoids the need for artificial multiple be changed to sliding brush holder support moving direction；The rate travel of sliding brush holder support can also be adjusted.

Description

A kind of adjustable variable-pressure device

Technical field

The present invention relates to transformer technology fields, and in particular to a kind of adjustable variable-pressure device.

Background technique

Pressure regulator is similar with the function of transformer, is all the transformation for carrying out voltage.The pressure regulator unlike transformer The voltage of output end output is adjustable.In the power supply-distribution system of rural area, due to long distance powedr transmission, voltage loss is tight Weight, predetermined voltage is often not achieved in power supply end, therefore carries out pressure stabilizing using pressure regulator.During electrical test, distribution substation The interior equipment with different voltages grade, it is therefore desirable to which the power supply power supply to the device of different voltages, pressure regulator can play weight The effect wanted.

In above-mentioned application process, although the output of pressure regulator is applied in real process from 0 to maximum value Voltage output value only in some specific a small range.And since the length of carbon brush is certain, carbon brush is in rotation process The track of middle formation is the fixed circular trace of radius, so that winding is constantly worn in the circular trace, or even burns out and sets It is standby.And winding is then kept well at the position of other radius Circular tests, cannot be efficiently used.

Therefore need to design a kind of carbon brush brush head during reciprocal circumferential movement, what radial position can also change Pressure regulator avoids carrying out repeated wear to the winding in same circular trace.And the movement in the radial direction of the brush head Speed is accurate and adjustable enough.

Summary of the invention

In order to solve the technical problems in background technology, the present invention provides a kind of adjustable variable-pressure device, passes through adjusting Device drives the carbon brush to circumferentially rotate and adjusts the position of brush head in radial directions；The brush head is avoided in same circular rail With the winding reciprocating friction of annular core on mark, and then the damage of annular core winding is avoided；Sliding brush holder support can also be switched to move Dynamic direction makes brush head persistently so that the brush head has flexible and two kinds of move modes of diastole in radial directions With；The movement speed of the brush head is very slow, avoids the need for artificial multiple be changed to sliding brush holder support moving direction；It can be with Adjust the rate travel of sliding brush holder support.

The technical solution adopted by the present invention to solve the technical problems is:

A kind of adjustable variable-pressure device including at least shell, is located at annular core of the outer casing bottom with winding, further includes carbon Brush, regulating device；

The shell is in hollow cylinder tubular, and the upper shell face opening is simultaneously detachably equipped with upper cover, in the upper cover Centre is equipped with the upper hole in center, and top is equipped with the fricting strip of an arc on the left of the outer casing inner wall, and the outer casing inner wall is located at friction It is equipped at below item and takes part in side opening；

Further, the small window of sealing is hinged at the intervention side opening.The small window of sealing is to realize in the shell The dustproof and waterproof in portion.

The carbon brush is electrically connected to the winding with annular core, and the carbon brush includes:

Carbon brush axis including the fixed middle shaft body for being located at the outer casing bottom center, is located at the middle shaft body upper end Jack is set on face, is located at the position limiting convex ring that jack inner wall is set on described；

Roll brush set, including be rotatably plugged in set in jack on set inserted link, take shape on described and set outside inserted link Wall and the limit concave ring being rotatably assorted with the position limiting convex ring are located on described and set above inserted link and be arranged radially along annular core Radial sleeve；

Slide brush holder support, including be slidably plugged in the radial sleeve brush holder support ontology, be located at the brush holder support ontology The brush head of distal end lower section be electrically connected to the winding with annular core, be located at it is driven slotting above the brush holder support body distal end Hole；

As further embodiment, fixed brush head is additionally provided at one on the winding, and the winding is fixed positioned at this Voltage between brush head and the brush head is output voltage.

It should be noted that the brush holder support ontology is fixedly connected with connecting wire far from the end of brush head.

The regulating device is described to drive the carbon brush to circumferentially rotate and adjust the position of brush head in radial directions Regulating device includes:

Torsion device, the torsion cylinder being rotatably located on the upper hole in the center are located at the torsion cylinder upper end simultaneously Block on the cover square torsion disk, be located at the side connecting column for reversing cylindrical side；

The round case of speed change, external screw thread cylinder, circumferential direction including hollow cylinder tubular are laid in the external screw thread cylinder side wall upper half Partial side opening, is located on the external screw thread cylinder the radial bottom outlet being radially located on the left of external screw thread cylinder lower end surface Hole, the radial direction for being radially located on the left of external screw thread cylinder upper surface and being connected to setting with hole on cabinet on the cabinet of end face center Upper hole, the radially hole middle part, which expands to form, expands gross porosity, and the gross porosity that expands is set above the end in hole on cabinet There is limit card block, external screw thread cylinder lower end surface right half part is equipped with fixed block, and the external screw thread cylinder right end and the side connect Column is connect to be fixedly connected；

Input element is evenly arranged on the input including being rotatably located at input shaft, circumferential direction on the cabinet in hole The rectangle jack of shaft outer wall, the input chassis for being located at the input shaft lower end, the friction for being located at the input shaft upper end Upper disk, disk and fricting strip transmission cooperate in the friction；

Adjustable ratchet, including be slidably plugged in the radially hole sliding cutting, be located at the sliding cutting Spring block plate that is upper and expanding gross porosity corresponding position, the upper and lower two sides in spring block plate right side are respectively provided with corresponding with limit card block Limit card slot, the sliding cutting, which is located at the part for expanding in gross porosity and is also wrapped with, to be resisted against spring catch and faces left the compression bullet of side Spring, the sliding cutting form the ratchet ontology to be inserted into rectangle jack close to the end of input shaft；

As further embodiment, the ratchet ontology is right angled triangle.Have benefited from the straight of the ratchet ontology Angle triangular structure allows the ratchet ontology to realize the one-way lock to input element by the effect to rectangle jack Only.

Go up and down outer ring, including be screwed on the external screw thread cylinder internal screw thread circle, be located in the internal screw thread circle in edge Annular groove is set, the lifting outer ring further includes the contact annulus being located in the external screw thread cylinder, and the contact annulus outer wall is circumferentially equal Be furnished with the side opening corresponding connection cross bar of grafting one by one, in the connection cross bar insertion built-in ring slots；

Lower output, including being located at the output shaft of the fixed block upper surface, being rotatably located at the output shaft Disk is bored in output wide at the top and narrow at the bottom on body, and the output cone is distributed along the circumference with planet wheel spindle, the planetary gear outside disk upper surface Up-narrow and down-wide planetary cone wheel is rotatably equipped on axis, side of the planetary cone wheel far from the output shaft is along vertical side It is sequentially connected to setting and with the contact annulus, the planetary cone wheel is close to the side and the input bottom of the output shaft Disk transmission connection；

Mobile pull rod, including being located at the nut groove of the fixed block upper surface, in left-right direction through the nut The screw through hole of groove setting, the transmission nut being rotatably located in the nut groove, the transmission nut outer wall molding It is pyramidal to be sequentially connected with the output cone disk right side, it is also slidably inserted with and the transmission in the screw through hole The output screw that nut is spirally connected, the output screw left end lower section are equipped with the longitudinal inserted link across the radial bottom outlet setting, institute It states and is inserted into driven jack below longitudinal inserted link；

Further, the regulating device is made of insulating materials.The regulating device has good insulation performance, makes It avoids getting an electric shock when must rotate the torsion disk.

Beneficial effects of the present invention:

A kind of adjustable transformer of the present invention, drives the carbon brush to circumferentially rotate and adjusts brush head by regulating device Position in radial directions；The brush head avoids the winding reciprocating friction in same circular trace with annular core, in turn Avoid the damage of annular core winding.

A kind of adjustable transformer of the present invention, also switching sliding brush holder support moving direction, so that the brush head is in radial direction There are flexible and two kinds of move modes of diastole on direction, brush head is allowed to continue to use:

Hand is pinched the sliding cutting and then is pulled outwardly, so that the spring block plate overcomes compressed spring effect to be displaced outwardly, And then drive the contact being detached from the limit card slot that the limit card block fastens with limit card block；Rotate the sliding cutting half Circle drives the spring block plate rotation half-turn, then unclamps hand, and the compressed spring drives the spring block plate to reset, at this time Another limit card slot engages with the limit card block；The ratchet ontology reverses direction, the input element one-directional rotation Direction changes, the change for eventually leading to longitudinal inserted link, sliding brush holder support moving direction.

A kind of adjustable transformer of the present invention, the movement speed of the brush head is very slow, avoids the need for artificial multiple Sliding brush holder support moving direction is changed:

Firstly, the length of the fricting strip is preferential, and in a cycle that the input element back and forth passes through fricting strip, institute State the angle very little of the upper disk rotation of fricting strip driving friction.

Then, output screw described in the transmission nut per revolution is only advanced the displacement of a screw pitch, further Play slowing effect, the output screw, longitudinal inserted link, the displacement of brush head are minimum, after this multiple use the brush head One end can just be reached in radial directions, carry out the mobile commutation of sliding brush holder support at this time.

The adjustable variable-pressure device can also adjust the rate travel of sliding brush holder support:

The internal screw thread circle is rotated, it is made to rotate stepping along external screw thread cylinder；

The position of the internal screw thread circle built-in ring slots is mobile, and the contact annulus, connection cross bar is driven to be open and go along side Into, and then change the contact position of the contact annulus and planetary cone wheel；

Under the premise of the input chassis, planetary cone wheel rotational angle are certain, the planetary cone wheel is around contact annulus revolution Speed change, it is described output cone disk, transmission nut velocity of rotation change, the mobile speed of the output screw, longitudinal inserted link Degree changes, and the final movement speed for realizing sliding brush holder support changes.

Detailed description of the invention

Present invention will be further explained below with reference to the attached drawings and examples.

Fig. 1 is the cross-sectional view of the adjustable variable-pressure device.

Fig. 2 is the cross-sectional view of another embodiment of the adjustable variable-pressure device.

Fig. 3 is the cross-sectional view of Section A-A in Fig. 2.

Fig. 4 is a kind of cross-sectional view of embodiment of regulating device.

Fig. 5 is the cross-sectional view of regulating device another kind embodiment.

Fig. 6 is a kind of partial sectional view of embodiment of section B-B in Fig. 5.

Fig. 7 is a kind of partial sectional view of embodiment of section B-B in Fig. 5.

In figure:

1. shell, 11. upper covers, the upper hole in 12. centers, 13. fricting strips, 14. take part in side opening；

2. annular core；

3. carbon brush, 31. carbon brush axis, shaft body in 31a. sets jack, 31c. position limiting convex ring, 32. roll brush on 31b. Set, sets inserted link on 32a., and 32b. limits concave ring, 32c. radial direction sleeve, 33. sliding brush holder supports, 33a. brush holder support ontology, 33b. brush head, The driven jack of 33c.；

4. regulating device, 41. torsion devices, 41a. reverse cylinder, 41b. reverses disk, the side 41c. connecting column, 42. speed changes Former case, 42a. external screw thread cylinder, 42b. side are open, 42c. radial direction bottom outlet, and hole on 42d. cabinet, radially hole, 42f. are swollen by 42e. Big gross porosity, 42g. limit card block, the fixed block of 42h., 43. input elements, 43a. input shaft, 43b. rectangle jack, 43c. are defeated Enter chassis, disk in 43d. friction, 44. adjustable ratchets, 44a. sliding cutting, 44b. spring block plate, 44c. limit card slot, 44d. pressure Contracting spring, 44e. ratchet ontology, 45. go up and down outer rings, internal screw thread circle in 45a., 45b. built-in ring slots, 45c. contact annulus, 45d. Cross bar is connected, 46. lower outputs, 46a. output shaft, 46b., which is exported, bores disk, 46c. planet wheel spindle, 46d. planetary cone wheel, and 47. Mobile pull rod, 47a. nut groove, 47b. screw through hole, 47c. transmission nut, 47d. output screw, the longitudinal inserted link of 47e..

Specific embodiment

Below in conjunction with attached drawing, the present invention is described in further detail.

A kind of adjustable variable-pressure device including at least shell 1, is located at the annular core 2 of 1 bottom belt winding of shell, feature It is: further includes carbon brush 3, regulating device 4；

Referring to Figure of description 1-3 it is found that the shell 1 is in hollow cylinder tubular, 1 upper surface of the shell opening simultaneously can Disassembly is equipped with upper cover 11, and the upper cover center is equipped with the upper hole 12 in center, and top is equipped with an arc on the left of 1 inner wall of shell Fricting strip 13,1 inner wall of shell, which is located to be equipped with below fricting strip 13, takes part in side opening 14；

Further, the small window of sealing is hinged at the intervention side opening 14.The small window of sealing is to realize the shell 1 Internal dustproof and waterproof.

Referring to Figure of description 1-3 it is found that the carbon brush 3 with the winding of annular core 2 to be electrically connected, the carbon brush 3 Include:

Carbon brush axis 31 including the fixed middle shaft body 31a for being located at 1 bottom center of shell, is located at the axis sheet Jack 31b is set on the upper surface body 31a, is located at the position limiting convex ring 31c that jack 31b inner wall is set on described；

Roll brush set 32, including be rotatably plugged in set in jack 31b on set inserted link 32a, take shape on described Set inserted link 32a outer wall and be rotatably assorted with the position limiting convex ring 31c limit concave ring 32b, be located on described and set above inserted link 32a And the radial sleeve 32c being arranged radially along annular core 2；

Slide brush holder support 33, including be slidably plugged in the radial sleeve 32c brush holder support ontology 33a, be located at it is described The distal end brush holder support ontology 33a lower section to be electrically connected with the winding of annular core 2 brush head 33b, be located at the brush holder support ontology 33a The driven jack 33c of distal end top；

As further embodiment, fixed brush head is additionally provided at one on the winding, and the winding is fixed positioned at this Voltage between brush head and the brush head 33b is output voltage.

It should be noted that the brush holder support ontology 33a is fixedly connected with connecting wire far from the end of brush head 33b.

Referring to Figure of description 4-7 it is found that the regulating device 4 is to drive the carbon brush 3 to circumferentially rotate and adjust brush The position of head 33b in radial directions, the regulating device 4 include:

The torsion cylinder 41a being rotatably located on the upper hole 12 in the center, torsion device 41 is located at the torsion cylinder Torsion disk 41b the upper cover 11 above of the upper end 41a and block, it is located at the side connecting column for reversing the side cylinder 41a 41c；

The round case 42 of speed change, external screw thread cylinder 42a, circumferential direction including hollow cylinder tubular are laid in the external screw thread cylinder 42a The side opening 42b of side wall top half, it the radial bottom outlet 42c being radially located on the left of the lower end surface external screw thread cylinder 42a, sets On the cabinet at the upper surface the external screw thread cylinder 42a center hole 42d, be radially located on the left of the upper surface external screw thread cylinder 42a And the radially hole 42e of setting is connected to hole 42d on cabinet, it expands to form in the middle part of the radially hole 42e and expands gross porosity 42f, the gross porosity 42f that expands is close to being equipped with limit card block 42g above the end of hole 42d on cabinet, under the external screw thread cylinder 42a End face right half part is equipped with fixed block 42h, and the external screw thread cylinder 42a right end is fixedly connected with the side connecting column 41c；

Input element 43, including being rotatably located at input shaft 43a on the cabinet in the 42d of hole, circumferential being evenly arranged on The rectangle jack 43b of the input shaft 43a outer wall, the input chassis 43c for being located at the input lower end shaft 43a, it is located at institute Disk 43d in the friction of the input upper end shaft 43a is stated, disk 43d and the fricting strip 13 transmission cooperate in the friction；

Adjustable ratchet 44, including be slidably plugged in the radially hole 42e sliding cutting 44a, be located at it is described Slide on cutting 44a and expand the spring block plate 44b of the corresponding position gross porosity 42f, the upper and lower two sides in the right side spring block plate 44b It is respectively provided with limit card slot 44c corresponding with limit card block 42g, the sliding cutting 44a, which is located at, expands part in gross porosity 42f also It is wrapped with the compressed spring 44d being resisted against on the left of spring block plate 44b, the sliding cutting 44a is close to the end of input shaft 43a Form the ratchet ontology 44e to be inserted into rectangle jack 43b；

As further embodiment, the ratchet ontology 44e is right angled triangle.Have benefited from the ratchet ontology The triangular structure of right angle of 44e realizes the ratchet ontology 44e to input by the effect to rectangle jack 43b The unidirectional locking of element 43.

Go up and down outer ring 45, including be screwed on the external screw thread cylinder 42a internal screw thread circle 45a, be located at the internal screw thread circle The built-in ring slots 45b on edge in 45a, the lifting outer ring 45 further includes the contact annulus 45c being located in the external screw thread cylinder 42a, The contact annulus 45c outer wall is circumferentially evenly equipped with and the side opening 42b corresponding connection cross bar 45d of grafting one by one, the connection Cross bar 45d is inserted into the built-in ring slots 45b；

Lower output 46, including being located at the output shaft 46a of the upper surface fixed block 42h, being rotatably located at institute The output cone disk 46b wide at the top and narrow at the bottom on output shaft 46a is stated, the output cone is distributed along the circumference with row outside the upper surface disk 46b Up-narrow and down-wide planetary cone wheel 46d, the planetary cone wheel 46d are rotatably equipped on spider gear shaft 46c, the planet wheel spindle 46c Side far from the output shaft 46a is arranged along the vertical direction and is sequentially connected with the contact annulus 45c, the planet cone 46d is taken turns to be sequentially connected close to the side of the output shaft 46a and the input chassis 43c；

Mobile pull rod 47, including being located at the nut groove 47a of the upper surface fixed block 42h, in left-right direction running through The screw through hole 47b of the nut groove 47a setting, the transmission nut 47c being rotatably located in the nut groove 47a, The transmission nut 47c outer wall is shaped to pyramidal, the screw through hole with transmission connection on the right side of the output cone disk 46b It is also slidably inserted in 47b under the left end output screw 47d, the output screw 47d being spirally connected with the transmission nut 47c Side is equipped with the longitudinal inserted link 47e being arranged across the radial direction bottom outlet 42c, is inserted into driven jack below the longitudinal inserted link 47e 33c；

Further, the regulating device 4 is made of insulating materials.The regulating device 4 has good insulation performance, It avoids getting an electric shock when so that rotating the torsion disk 41b.

The adjustable variable-pressure device application method is as follows:

Step 1, the torsion device 41 is rotated:

It reverses the torsion disk 41b and then drives the regulating device 4, sliding brush holder support 33,32 rotation of roll brush set, institute It states winding of the brush head 33b on the annular core 2 to slip over, adjusts output voltage size；

Step 2, the intermittent one-directional rotation of input element 43:

Disk 43d is described with 41 reciprocally swinging of torsion device and when passing through fricting strip 13 in the friction of the input element 43 The rectangle jack 43b of ratchet ontology 44e and the input element 43, which cooperates and then constrains the input element 43, realizes unidirectional turn It is dynamic:

If the fricting strip 13 is identical as the one-directional rotation direction of input element 43 for the active force for the upper disk 43d that rubs, Then the input element 43 turns an angle:

If the fricting strip 13 is contrary with the one-directional rotation of input element 43 for the active force for the upper disk 43d that rubs, Then the input element 43 is slipped over from fricting strip 13；

Step 3, the position the brush head 33b is mobile:

The rotation of the input chassis 43c drives the planetary cone wheel 46d rotation；

The planetary cone wheel 46d walks along contact annulus 45c and then output cone disk 46b is driven to rotate around output shaft 46a；

The output cone disk 46b drives transmission nut 47c rotation, the transmission nut 47c driving output screw 47d, indulges It is mobile to set inserted link 47e；

The longitudinal inserted link 47e acts on driven jack 33c and drives sliding brush holder support 33 mobile.

Step 4, switching sliding 33 moving direction of brush holder support:

Hand is pinched the sliding cutting 44a and then is pulled outwardly, so that the spring block plate 44b overcomes compressed spring 44d to act on It is displaced outwardly, and then drives and be detached from and the contact of limit card block 42g with the limit card slot 44c that the limit card block 42g is fastened；

The sliding cutting 44a half-turn is rotated, the spring block plate 44b rotation half-turn is driven, then unclamps hand, the pressure Contracting spring 44d drives the spring block plate 44d to reset, and another limit card slot 44c engages with the limit card block 42g at this time；

The ratchet ontology 44e reverses direction, the direction that the input element 43 one-directionally rotates change, eventually lead to longitudinal Inserted link 47e, the change for sliding 33 moving direction of brush holder support.

As further embodiment, the adjustable variable-pressure device further includes step 4, adjusts the movement of sliding brush holder support 33 Rate:

The internal screw thread circle 45a is rotated, it is made to rotate stepping along external screw thread cylinder 42a；

The position of the internal screw thread circle 45a built-in ring slots 45b is mobile, drives the contact annulus 45c, connection cross bar 45d It advances along side opening 42b, and then changes the contact position of contact the annulus 45c and planetary cone wheel 46d；

Under the premise of the input chassis 43c, planetary cone wheel 46d rotational angle are certain, the planetary cone wheel 46d is around contact The speed of annulus 45c revolution changes, the velocity of rotation change of the output cone disk 46b, transmission nut 47c, the output screw The movement speed change of 47d, longitudinal inserted link 47e, the final movement speed for realizing sliding brush holder support 33 change.

Further, the input chassis side 43c, the side the planetary cone wheel 46d, the side the contact annulus 45c Face, the output cone side disk 46b, the side the transmission nut 47c form anti-skid structure, and the anti-skid structure is to gather Anti-skidding salient point or anti-skid chequer.

Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.

Claims

1. a kind of adjustable variable-pressure device, the annular core (2) for including at least shell (1), being located at shell (1) bottom belt winding, It is characterized in that: further including carbon brush (3), regulating device (4)；

The shell (11) is in hollow cylinder tubular, and shell (1) upper surface is open and is detachably equipped with upper cover (11), described Upper cover center is equipped with center above hole (12), and top is equipped with the fricting strip (13) of an arc on the left of shell (1) inner wall, described Shell (1) inner wall is equipped with intervention side opening (14) at being located at below fricting strip (13)；

To be electrically connected with the winding of annular core (2), the carbon brush (3) includes: the carbon brush (3)

Carbon brush axis (31) including the fixed middle shaft body (31a) for being located at the shell (1) bottom center, is located at the axis Jack (31b) is set on the upper surface ontology (31a), is located at the position limiting convex ring (31c) that jack (31b) inner wall is set on described；

Roll brush set (32), including be rotatably plugged in set in jack (31b) on set inserted link (32a), take shape in it is described On set inserted link (32a) outer wall and be rotatably assorted with the position limiting convex ring (31c) limit concave ring (32b), be located on described set it is slotting The radial sleeve (32c) being arranged radially above bar (32a) and along annular core (2)；

Slide brush holder support (33), including be slidably plugged in the radial sleeve (32c) brush holder support ontology (33a), be located at institute State brush holder support ontology (33a) distal end lower section to be electrically connected with the winding of annular core (2) brush head (33b), be located at the brush The driven jack (33c) of bar body (33a) distal end top；

The regulating device (4) is to drive the carbon brush (3) to circumferentially rotate and adjust the position of brush head (33b) in radial directions It sets, the regulating device (4) includes:

Torsion device (41), the torsion cylinder (41a) being rotatably located on the center upper hole (12) are located at the torsion circle Torsion disk (41b) above the upper cover (11) of the column upper end (41a) and block is located at torsion cylinder (41a) side Side connecting column (41c)；

Speed change justifies case (42), and external screw thread cylinder (42a), circumferential direction including hollow cylinder tubular are laid in the external screw thread cylinder The side opening (42b) of (42a) side wall top half, the radial direction being radially located on the left of external screw thread cylinder (42a) lower end surface Bottom outlet (42c) is located at hole (42d) on the cabinet at external screw thread cylinder (42a) the upper surface center, is radially located at the external screw thread Cylinder upper surface (42a) left side is simultaneously connected to the radially hole (42e) being arranged with hole on cabinet (42d), in the radially hole (42e) Portion expands to form and expand gross porosity (42f), and expand gross porosity (42f) is equipped with limit above the end in hole (42d) on cabinet Position fixture block (42g), external screw thread cylinder (42a) the lower end surface right half part are equipped with fixed block (42h), the external screw thread cylinder (42a) right end is fixedly connected with the side connecting column (41c)；

Input element (43) is evenly distributed with including being rotatably located at input shaft (43a), circumferential direction on the cabinet in hole (42d) In the rectangle jack (43b) for inputting shaft (43a) outer wall, it is located at the input chassis for inputting the lower end shaft (43a) (43c), disk (43d) in the friction of described input upper end shaft (43a), disk (43d) and the fricting strip in the friction are located at (13) transmission cooperation；

Adjustable ratchet (44), including be slidably plugged in radially hole (42e) sliding cutting (44a), be located at institute State in sliding cutting (44a) and expand the spring block plate (44b) of the corresponding position gross porosity (42f), spring block plate (44b) right side Upper and lower two sides are respectively provided with limit card slot (44c) corresponding with limit card block (42g), and the sliding cutting (44a), which is located at, expands slightly Part in hole (42f) is also wrapped with the compressed spring (44d) being resisted against on the left of spring block plate (44b), the sliding cutting (44a) forms the ratchet ontology (44e) to be inserted into rectangle jack (43b) close to the end of input shaft (43a)；

It goes up and down outer ring (45), including including the internal screw thread circle (45a) being screwed on the external screw thread cylinder (42a), being located in described The built-in ring slots (45b) on the interior edge the fillet of screw (45a), the lifting outer ring (45) further include being located in the external screw thread cylinder (42a) Contact annulus (45c), contact annulus (45c) outer wall be circumferentially evenly equipped with side opening (42b) one by one grafting it is corresponding It connects cross bar (45d), the connection cross bar (45d) is inserted into the built-in ring slots (45b)；

Lower output (46), including being located at the output shaft (46a) of fixed block (42h) upper surface, being rotatably located at Disk (46b) is bored in output wide at the top and narrow at the bottom on the output shaft (46a), outside output cone upper surface disk (46b) circumferentially It is evenly equipped with planet wheel spindle (46c), up-narrow and down-wide planetary cone wheel (46d), institute is rotatably equipped on the planet wheel spindle (46c) State planetary cone wheel (46d) far from the output shaft (46a) side be arranged along the vertical direction and with the contact annulus (45c) Transmission connection, the planetary cone wheel (46d) are driven close to the side of the output shaft (46a) and the input chassis (43c) Connection；

Mobile pull rod (47), including being located at the nut groove (47a) of fixed block (42h) upper surface, in left-right direction passing through The screw through hole (47b) for wearing the nut groove (47a) setting, the transmission being rotatably located in the nut groove (47a) Nut (47c), transmission nut (47c) outer wall are shaped to bore the pyramidal of the right side disk (46b) transmission connection with the output, The output screw (47d) being spirally connected with the transmission nut (47c), institute are also slidably inserted in the screw through hole (47b) The longitudinal inserted link (47e) for being equipped with below the left end output screw (47d) and being arranged across the radial bottom outlet (42c) is stated, it is described longitudinal Driven jack (33c) is inserted into below inserted link (47e).

2. a kind of adjustable variable-pressure device according to claim 1, it is characterised in that: be hinged at the intervention side opening (14) Seal small window.

3. a kind of adjustable variable-pressure device according to claim 1, it is characterised in that: the regulating device (4) is insulation material Material is made.

4. a kind of adjustable variable-pressure device according to claim 1, it is characterised in that: the ratchet ontology (44e) is right angle Triangle.