CN213270270U - Volume-adjustable screw compressor - Google Patents

Volume-adjustable screw compressor Download PDF

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Publication number
CN213270270U
CN213270270U CN202022234272.1U CN202022234272U CN213270270U CN 213270270 U CN213270270 U CN 213270270U CN 202022234272 U CN202022234272 U CN 202022234272U CN 213270270 U CN213270270 U CN 213270270U
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CN
China
Prior art keywords
bolted
screw compressor
baffle
bolt
inner chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202022234272.1U
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Chinese (zh)
Inventor
蒋忠平
孙志全
符剑锋
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Changzhou Zhongling Rail Transit Equipment Co ltd
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Changzhou Zhongling Rail Transit Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN202022234272.1U priority Critical patent/CN213270270U/en
Application granted granted Critical
Publication of CN213270270U publication Critical patent/CN213270270U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a volume adjustable screw compressor, which comprises a housing, the left bottom bolt of casing inner chamber has step motor, casing inner chamber's left side bolt has first baffle, casing inner chamber's right side bolt has the second baffle, the left side intercommunication at casing top has the admission line, the right side intercommunication of chassis bottom has the pipeline of giving vent to anger. The utility model discloses a multisection cylinder provides the power source, through support, gear, fixed rack board and the cooperation of removing the rack board, can remove the connecting rod to the connecting rod drives the movable plate and removes, and through the cooperation of adjusting the pole, can adjust the size of admission line's gas outlet, thereby can adjust the air volume of screw compressor inner chamber, and the screw compressor of being convenient for is adjusted the volume size according to the real-time condition, has solved the poor problem of traditional screw compressor inside volume regulating effect.

Description

Volume-adjustable screw compressor
Technical Field
The utility model relates to a screw compressor field specifically is a volume adjustable screw compressor.
Background
The screw compressor is a type of air compressor, is called screw compressor, and is divided into single screw compressor and double screw compressor, the invention of double screw compressor is more reasonable and advanced than single screw compressor, the double screw compressor is designed to overcome the defects of unbalance of single screw compressor and easy damage of bearing, and has the advantages of long service life, low noise, more energy saving, etc., after the eighties are mature in technology, the application range of the screw compressor is gradually expanded.
The screw compressor is a positive displacement gas compression machine with a working volume making rotary motion, the screw compressor performs energy-saving adjustment through the size of the internal volume, most of the internal volume of the traditional screw compressor is fixed, the volume can not be adjusted according to conditions, and the pressure of the screw compressor is constantly changed in the using process, so that the internal operation effect of the screw compressor is influenced, and the working efficiency of the screw compressor is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a volume adjustable screw compressor is in order to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a volume adjustable screw compressor, includes the casing, the left bottom bolt of casing inner chamber has step motor, casing inner chamber's left side bolt has first baffle, casing inner chamber's right side bolt has the second baffle, the left side intercommunication at casing top has the admission line, the right side intercommunication of casing bottom has the pipeline of giving vent to anger, the left side of first baffle is from last to all inlaying in proper order down and being equipped with roller bearing, and roller bearing's inner chamber from last to having bolted in proper order female rotor and male rotor down, step motor's output shaft and male rotor's left side bolt, the left side on male rotor and female rotor surface has bolted first synchronizing gear and second synchronizing gear respectively, the surface meshing of first synchronizing gear and second synchronizing gear, the left side of female rotor is passed through first bearing and is connected with the left top rotation of casing inner chamber, the surface of positive rotor and the surface meshing of negative rotor, the left side of second baffle is inlayed and is equipped with the second bearing, and the inner chamber of second bearing rotates with the surface of positive rotor and negative rotor respectively and is connected, the right side of positive rotor and negative rotor runs through the second bearing and extends to the right side, the right side bolt at casing inner chamber top has connect fixed case, the left side bolt of fixed incasement chamber has connect the third baffle, the inner chamber of fixed case is provided with volume adjustment mechanism, volume adjustment mechanism's left side and admission line's bottom swing joint.
Preferably, the volume adjusting mechanism comprises a multi-section cylinder, a bracket, a gear, a fixed rack plate, a movable rack plate, a connecting rod, a movable plate and an adjusting rod, the multi-section cylinder is bolted at the center of the right side of the inner cavity of the fixed box, the bracket is bolted on a piston rod of the multi-section cylinder, the gear is movably connected to the left side of the bracket through a movable shaft, the fixed rack plate is bolted on the right side of the top of the inner cavity of the fixed box, the movable rack plate is movably connected to the bottom of the right side of the inner cavity of the fixed box, the top of the gear is meshed with the bottom of the fixed rack plate, the bottom of the gear is meshed with the top of the movable rack plate, the connecting block is bolted on the left side of the movable rack plate, the connecting rod is bolted on the top of the left side of the connecting block, the left side of the adjusting rod penetrates through the fixed box and is movably connected with the bottom of the air inlet pipeline.
Preferably, the right side of the moving plate is sequentially bolted with first springs from top to bottom, and the right side of each first spring is bolted with the left side of the corresponding third baffle.
Preferably, the bottom bolt on fixed case inner chamber right side has first traveller, the left side of first traveller and the bottom bolt on third baffle right side, the surface of first traveller all has first sliding sleeve of sliding connection in proper order from a left side to the right side, the top of first sliding sleeve and the bottom bolt of removing the rack board.
Preferably, a second spring is bolted to the right side of the movable rack plate, and the right side of the second spring is bolted to the bottom of the right side of the inner cavity of the fixed box.
Preferably, the bottom of admission line has the annular seal pad through powerful sticky connecing, the top of casing inner chamber has the fixed block from a left side to the right side equal bolt, and fixed block one side in opposite directions bolt the second traveller, the surperficial sliding connection of second traveller has the second sliding sleeve, the bottom of second sliding sleeve and the top bolt of adjusting the pole.
Preferably, the sliding grooves are formed in the top and the bottom of the left side of the inner cavity of the fixed box, and the inner cavity of each sliding groove is connected with a sliding block matched with the moving plate for use.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a multisection cylinder provides the power source, through the support, the gear, the cooperation of fixed rack board and removal rack board, can remove the connecting rod, thereby the connecting rod drives the movable plate and removes, through the cooperation of adjusting the pole, can adjust the size of admission line's gas outlet, thereby can adjust the air volume of screw compressor inner chamber, the screw compressor of being convenient for adjusts the volume size according to the real-time condition, screw compressor's work efficiency has been improved simultaneously, the problem that traditional screw compressor inside volume regulating effect is poor has been solved.
2. The utility model can elastically buffer between the movable plate and the third baffle through the cooperation of the first spring, prevent the collision between the movable plate and the third baffle, can slide and limit the movable rack plate through the cooperation of the first sliding column and the first sliding sleeve, enhance the fixing effect of the movable rack plate, can elastically rebound the movable rack plate through the cooperation of the second spring, prevent the movable rack plate from colliding with the fixed box when moving back, can seal the air inlet pipeline through the cooperation of the annular sealing gasket, enhance the sealing effect at the interface of the air inlet pipeline and the adjusting rod, can slide and support the adjusting rod through the cooperation of the second sliding column and the second sliding sleeve, prevent the adjusting rod from shaking in the moving process, enhance the stability of the adjusting rod, can slide the movable plate through the cooperation of the sliding chute and the sliding block, prevent the moving plate from generating displacement deviation in the moving process.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view of the fixing box of the present invention;
fig. 3 is a partial perspective view of the structure of the adjusting rod, the air inlet pipe and the annular sealing gasket of the present invention.
In the figure: 1. a housing; 2. a stepping motor; 3. an air intake duct; 4. an air outlet pipe; 5. a male rotor; 6. a female rotor; 7. a first synchronizing gear; 8. a fixed box; 9. a volume adjustment mechanism; 91. a multi-section cylinder; 92. a support; 93. a gear; 94. fixing the rack plate; 95. moving the rack plate; 96. a connecting rod; 97. moving the plate; 98. adjusting a rod; 10. a first spring; 11. a first traveler; 12. a first sliding sleeve; 13. a second spring; 14. an annular seal; 15. a second strut; 16. a second sliding sleeve; 17. a chute; 18. a slider; 19. a first baffle plate; 20. a second synchronizing gear; 21. a second baffle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: a volume-adjustable screw compressor comprises a machine shell 1, a stepping motor 2 is bolted at the bottom of the left side of an inner cavity of the machine shell 1, a first baffle plate 19 is bolted at the left side of the inner cavity of the machine shell 1, a second baffle plate 21 is bolted at the right side of the inner cavity of the machine shell 1, an air inlet pipeline 3 is communicated at the left side of the top of the machine shell 1, an air outlet pipeline 4 is communicated at the right side of the bottom of the machine shell 1, roller bearings are sequentially embedded at the left side of the first baffle plate 19 from top to bottom, a female rotor 6 and a male rotor 5 are sequentially bolted at the inner cavity of the roller bearings from top to bottom, an output shaft of the stepping motor 2 is bolted at the left side of the male rotor 5, a first synchronous gear 7 and a second synchronous gear 20 are respectively bolted at the left sides of the surfaces of the male rotor 5 and the female rotor 6, the surface of the first synchronous gear 7 is meshed with the surface of the, the surface of the male rotor 5 is engaged with the surface of the female rotor 6, the left side of the second baffle 21 is embedded with a second bearing, the inner cavity of the second bearing is respectively and rotatably connected with the surfaces of the male rotor 5 and the female rotor 6, the right sides of the male rotor 5 and the female rotor 6 penetrate through the second bearing and extend towards the right side, the right side of the top of the inner cavity of the casing 1 is bolted with a fixed box 8, the left side of the inner cavity of the fixed box 8 is bolted with a third baffle, the inner cavity of the fixed box 8 is provided with a volume adjusting mechanism 9, the left side of the volume adjusting mechanism 9 is movably connected with the bottom of the air inlet pipeline 3, the utility model provides a power source through a multi-section air cylinder 91, the connecting rod 96 can be moved through the matching of a bracket 92, a gear 93, a fixed rack plate 94 and a movable rack plate 95, so that the connecting rod 96 drives the movable plate 97 to move, and the, therefore, the air volume of the inner cavity of the screw compressor can be adjusted, the screw compressor can adjust the volume conveniently according to the real-time condition, the working efficiency of the screw compressor is improved, and the problem of poor adjusting effect of the internal volume of the traditional screw compressor is solved.
The volume adjusting mechanism 9 comprises a multi-section cylinder 91, a bracket 92, a gear 93, a fixed rack plate 94, a movable rack plate 95, a connecting rod 96, a moving plate 97 and an adjusting rod 98, the multi-section cylinder 91 is bolted at the center of the right side of the inner cavity of the fixed box 8, the bracket 92 is bolted on a piston rod of the multi-section cylinder 91, the gear 93 is movably connected to the left side of the bracket 92 through a movable shaft, the fixed rack plate 94 is bolted on the right side of the top of the inner cavity of the fixed box 8, the movable rack plate 95 is movably connected to the bottom of the right side of the inner cavity of the fixed box 8, the top of the gear 93 is meshed with the bottom of the fixed rack plate 94, the bottom of the gear 93 is meshed with the top of the movable rack plate 95, the connecting block is bolted on the left side of the movable rack plate 95, the connecting rod 96 is bolted on the top, adjust the left side of pole 98 run through fixed case 8 and with inlet duct 3's bottom swing joint, provide power source through multisection cylinder 91, through support 92, gear 93, fixed rack plate 94 and the cooperation of removing rack plate 95, can remove connecting rod 96, thereby connecting rod 96 drives movable plate 97 and removes, cooperation through adjusting pole 98, can adjust the size of inlet duct 3's gas outlet, thereby can adjust the air volume of helical compressor inner chamber, the helical compressor of being convenient for adjusts the volume size according to the real-time condition.
The right side of the moving plate 97 is sequentially bolted with the first springs 10 from top to bottom, the right side of the first springs 10 is bolted with the left side of the third baffle, and through the cooperation of the first springs 10, elastic buffering can be performed between the moving plate 97 and the third baffle, so that collision between the moving plate 97 and the third baffle is prevented.
The bottom bolt on 8 inner chambers of fixed case right sides has first traveller 11, the left side of first traveller 11 and the bottom bolt on third baffle right side, and the surface of first traveller 11 all has first sliding sleeve 12 from a left side to the right side sliding connection in proper order, and the top of first sliding sleeve 12 and the bottom bolt of removing rack plate 95 through the cooperation of first traveller 11 and first sliding sleeve 12, can slide spacingly to removing rack plate 95, have strengthened the fixed effect of removing rack plate 95.
The right side of the movable rack plate 95 is bolted with the second spring 13, the right side of the second spring 13 is bolted with the bottom on the right side of the inner cavity of the fixed box 8, and the movable rack plate 95 can be elastically rebounded through the cooperation of the second spring 13, so that the movable rack plate 95 is prevented from colliding with the fixed box 8 when moving back.
The bottom of admission line 3 has sealed 14 of annular packing through powerful adhesive coupling, the top of casing 1 inner chamber has the fixed block from a left side to the equal bolt in the right side, and the fixed block has one side in opposite directions bolt joint second traveller 15, the sliding surface of second traveller 15 is connected with second traveller 16, the bottom of second traveller 16 and the top bolt of adjusting pole 98, cooperation through sealed 14 of annular packing, can seal admission line 3, the sealed effect of admission line 3 and regulation pole 98 kneck has been strengthened, cooperation through second traveller 15 and second traveller 16, can slide the support to adjusting pole 98, prevent to adjust pole 98 and take place to rock at the removal in-process, the stability of adjusting pole 98 has been strengthened.
The sliding groove 17 is formed in the top and the bottom of the left side of the inner cavity of the fixed box 8, the sliding block 18 matched with the moving plate 97 is connected to the inner cavity of the sliding groove 17 in a sliding mode, the moving plate 97 can slide through the matching of the sliding groove 17 and the sliding block 18, and the moving plate 97 is prevented from generating displacement deviation in the moving process.
The working principle is as follows: in operation, firstly, a user fills the interior of the casing 1 with gas through the gas inlet pipeline 3, then the gas in the interior of the casing 1 is consumed through the operation of the male rotor 5 and the female rotor 6, then, the volume ratio can be adjusted according to the condition of the inside of the casing 1, at this time, the piston rod of the multi-section cylinder 91 drives the bracket 92 to move leftward, and then the bracket 92 drives the gear 93 to move leftward, then, by providing a limit function by the fixed rack plate 94 and the bracket 92, the gear 93 can drive the moving rack plate 95 to move leftward, and then the moving rack plate 95 drives the connecting rod 96 to move leftward, then the connecting rod 96 drives the moving plate 97 to move leftwards, so that the moving plate 97 drives the adjusting rod 98 to move leftwards, the adjusting rod 98 can thus adjust the intake air of the intake duct 3, and thus the high-pressure volume ratio inside the casing 1, according to real-time conditions.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. A volume-adjustable screw compressor comprising a casing (1), characterized in that: the left bottom of the inner cavity of the machine shell (1) is bolted with a stepping motor (2), the left side of the inner cavity of the machine shell (1) is bolted with a first baffle (19), the right side of the inner cavity of the machine shell (1) is bolted with a second baffle (21), the left side of the top of the machine shell (1) is communicated with an air inlet pipeline (3), the right side of the bottom of the machine shell (1) is communicated with an air outlet pipeline (4), the left side of the first baffle (19) is sequentially embedded with roller bearings from top to bottom, the inner cavities of the roller bearings are sequentially bolted with a female rotor (6) and a male rotor (5) from top to bottom, the output shaft of the stepping motor (2) is bolted with the left side of the male rotor (5), the left sides of the surfaces of the male rotor (5) and the female rotor (6) are respectively bolted with a first synchronizing gear (7) and a second synchronizing gear (20), the surface of the first synchronizing gear (7) is meshed with the surface of, the left side of negative rotor (6) is rotated through first bearing and the left top of casing (1) inner chamber and is connected, the surface of positive rotor (5) and the surface meshing of negative rotor (6), the left side of second baffle (21) is inlayed and is equipped with the second bearing, and the inner chamber of second bearing rotates with the surface of positive rotor (5) and negative rotor (6) respectively and is connected, the right side of positive rotor (5) and negative rotor (6) is run through the second bearing and is extended to the right side, the right side bolt at casing (1) inner chamber top has connect fixed box (8), the left side bolt of fixed box (8) inner chamber has connected the third baffle, the inner chamber of fixed box (8) is provided with volume adjustment mechanism (9), the left side of volume adjustment mechanism (9) and the bottom swing joint of admission line (3).
2. A capacity-adjustable screw compressor according to claim 1, characterized in that: the volume adjusting mechanism (9) comprises a multi-section cylinder (91), a support (92), a gear (93), a fixed rack plate (94), a movable rack plate (95), a connecting rod (96), a movable plate (97) and an adjusting rod (98), the center of the right side of the inner cavity of the fixed box (8) is bolted with the multi-section cylinder (91), the piston rod of the multi-section cylinder (91) is bolted with the support (92), the left side of the support (92) is movably connected with the gear (93) through a movable shaft, the right side of the top of the inner cavity of the fixed box (8) is bolted with the fixed rack plate (94), the bottom of the right side of the inner cavity of the fixed box (8) is movably connected with the movable rack plate (95), the top of the gear (93) is meshed with the bottom of the fixed rack plate (94), the bottom of the gear (93) is meshed with the top of the movable rack plate (95), and the left, and the top on the left side of the connecting block is bolted with a connecting rod (96), the left side of the connecting rod (96) penetrates through the third baffle and is bolted with a moving plate (97), the left side of the moving plate (97) is bolted with an adjusting rod (98), and the left side of the adjusting rod (98) penetrates through the fixed box (8) and is movably connected with the bottom of the air inlet pipeline (3).
3. A capacity-adjustable screw compressor according to claim 2, characterized in that: the right side of movable plate (97) is from last to all having bolted connection first spring (10) down in proper order, the right side of first spring (10) and the left side bolt of third baffle.
4. A capacity-adjustable screw compressor according to claim 1, characterized in that: the bottom bolt on fixed case (8) inner chamber right side has first traveller (11), the left side of first traveller (11) and the bottom bolt on third baffle right side, the surface of first traveller (11) all has first sliding sleeve (12) from a left side to the right side sliding connection in proper order, the top of first sliding sleeve (12) and the bottom bolt of removing rack board (95).
5. A capacity-adjustable screw compressor according to claim 2, characterized in that: and a second spring (13) is bolted to the right side of the movable rack plate (95), and the right side of the second spring (13) is bolted to the bottom of the right side of the inner cavity of the fixed box (8).
6. A capacity-adjustable screw compressor according to claim 1, characterized in that: the bottom of admission line (3) has annular seal pad (14) through powerful sticky connecing, the top of casing (1) inner chamber has the fixed block from a left side to the equal bolt in the right side, and the fixed block in opposite directions one side bolt has second traveller (15), the surperficial sliding connection of second traveller (15) has second sliding sleeve (16), the bottom of second sliding sleeve (16) and the top bolt of adjusting pole (98).
7. A capacity-adjustable screw compressor according to claim 1, characterized in that: the left top and the bottom of the inner cavity of the fixed box (8) are both provided with a sliding groove (17), and the inner cavity of the sliding groove (17) is connected with a sliding block (18) matched with the moving plate (97) for use in a sliding mode.
CN202022234272.1U 2020-10-09 2020-10-09 Volume-adjustable screw compressor Expired - Fee Related CN213270270U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022234272.1U CN213270270U (en) 2020-10-09 2020-10-09 Volume-adjustable screw compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022234272.1U CN213270270U (en) 2020-10-09 2020-10-09 Volume-adjustable screw compressor

Publications (1)

Publication Number Publication Date
CN213270270U true CN213270270U (en) 2021-05-25

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Application Number Title Priority Date Filing Date
CN202022234272.1U Expired - Fee Related CN213270270U (en) 2020-10-09 2020-10-09 Volume-adjustable screw compressor

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115013288A (en) * 2022-07-11 2022-09-06 珠海格力电器股份有限公司 Reciprocating compressor capable of changing effective volume of cylinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115013288A (en) * 2022-07-11 2022-09-06 珠海格力电器股份有限公司 Reciprocating compressor capable of changing effective volume of cylinder

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Granted publication date: 20210525

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