CN219084682U

CN219084682U - Connecting structure of schlieren instrument

Info

Publication number: CN219084682U
Application number: CN202223450894.3U
Authority: CN
Inventors: 闫晓磊
Original assignee: Sichuan Hezheng Photoelectric Technology Co ltd
Current assignee: Sichuan Hezheng Photoelectric Technology Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-26
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a connecting structure of a schlieren instrument, which comprises a supporting frame, wherein two ends of the upper surface of the supporting frame are respectively provided with an adjusting bottom plate, the upper end of each adjusting rod is rotationally connected with a mounting clamp, the mounting clamps are provided with schlieren instrument main bodies, one end of each supporting frame is fixedly provided with an adjusting component, the upper end of each adjusting component is fixedly provided with a cleaning component, the upper surface of each adjusting component is provided with a telescopic groove corresponding to a clamping rod.

Description

Connecting structure of schlieren instrument

Technical Field

The utility model belongs to the technical field of schlieren instruments, and particularly relates to a connecting structure of a schlieren instrument.

Background

The schlieren instrument is an instrument for observing the density change in transparent medium, and is used to study the observation of layering, multiple streams, supersonic flow, mass and heat transfer, natural and forced combustion, flame explosion plasma and some chemical reactions to find the internal structural defect of crystal. Publication No.: CN205484124U discloses a schlieren instrument, the schlieren instrument includes lamp house, lamp mirror seat and schlieren instrument support, the schlieren instrument support sets up the lamp house bottom, be provided with the light source in the lamp house, the lamp house lateral wall is provided with the lamp mirror hole, the lamp mirror hole is connected with the lamp mirror seat slide that sets up outside the lamp house, the lamp mirror seat sets up in the lamp mirror seat slide with lamp mirror seat slide sliding connection. According to the schlieren instrument disclosed by the embodiment of the utility model, the lamp lens base is arranged in the lamp lens base slide rail and is in sliding connection with the lamp lens base slide rail, so that the distance between the lamp lens base and the light source can be conveniently and continuously adjusted, and the continuity and stability of imaging of the schlieren instrument are improved.

The problems with the above techniques are: most of the prior art tattoos are only supported and adjusted by a rod when the height is adjusted, the stability is poor, the tilting is easy to occur once the tattoos are collided with the outside, and meanwhile, when the tattoos are used, dust is easy to adhere to a lens at one end of the tattoos, so that the lens needs to be cleaned before the tattoos are used, and therefore, a connecting structure of the tattoos is provided.

Disclosure of Invention

Aiming at the problems in the prior art, the connecting structure of the schlieren instrument is provided by the utility model, has the advantages of enhancing the stability of supporting the schlieren instrument, rapidly wiping the lens at one end of the schlieren instrument and improving the working efficiency, and solves the problems that most of the conventional schlieren instruments are supported and regulated only by a rod when the height is regulated, the stability is poor, the schlieren instrument is easy to incline when being collided with the outside, and meanwhile, the lens at one end of the schlieren instrument is easy to be stuck with dust when being used, so that the schlieren instrument is required to be cleaned before being used.

The utility model discloses a connecting structure of a schlieren instrument, which comprises a supporting frame, wherein two ends of the upper surface of the supporting frame are respectively provided with an adjusting bottom plate, the middle part of the upper surface of the adjusting bottom plate is fixedly provided with a height adjuster, the upper surface of the height adjuster is provided with an adjusting rod, the side wall of the adjusting rod is fixedly provided with a connecting plate, two sides of the connecting plate are respectively fixedly provided with a stabilizer bar, one end of the stabilizer bar is fixedly provided with a bearing plate, two ends of the bottom of the bearing plate are respectively fixedly provided with a clamping rod, two ends of the upper surface of the adjusting bottom plate are respectively fixedly provided with a fixing assembly, the fixing assemblies correspond to the clamping rods in position, the upper end of the adjusting rod is rotationally connected with a mounting clamp, the mounting clamp is provided with a schlieren instrument main body, one end of the supporting frame is fixedly provided with an adjusting assembly, and the upper end of the adjusting assembly is fixedly provided with a cleaning assembly.

As the preferable mode of the utility model, the fixing component comprises a base plate, the base plate is fixedly connected with an adjusting bottom plate, the upper surface of the base plate is provided with a telescopic groove corresponding to a clamping rod, two ends of one side of the base plate are provided with rotating holes, the rotating holes are rotationally connected with connecting rods, two ends of each connecting rod are fixedly provided with first screw rods, the first screw rods are connected with an adjusting plate through threads, one end of one side of each adjusting plate is fixedly provided with a clamping block, two sides of the base plate are provided with clamping grooves corresponding to the clamping blocks, the clamping grooves are communicated with the telescopic groove, one side of each adjusting plate is provided with threaded holes corresponding to the first screw rods, one end of one group of the first screw rods is rotationally connected with a second fixing plate, and one end of the other group of the first screw rods is rotationally connected with a protecting shell.

As the preferable mode of the utility model, the two ends of one side of the protecting shell are fixedly provided with the first fixing plate, the two ends of the first fixing plate and the two ends of the second fixing plate are fixedly provided with the top plate, the top plate is fixedly connected with the base plate, one end of the other group of the first screw rod is fixedly provided with the connecting column, the connecting column penetrates through one side of the first fixing plate, one side of the first fixing plate is provided with the second through hole, one end of the connecting column is fixedly provided with the synchronous wheel, the two groups of the synchronous wheels are sleeved with the synchronous belt, the two groups of the synchronous wheels are rotatably arranged on the inner wall of the protecting shell, one end of the other side of the protecting shell is fixedly provided with the gear motor, the output shaft of the gear motor penetrates through the other side of the protecting shell, one end of the other side of the protecting shell is provided with the first through hole, and one end of the output shaft of the gear motor is fixedly connected with one group of the synchronous wheels.

As the preferable mode of the utility model, the adjusting component comprises a stand column and a positive motor and a negative motor, the stand column is fixedly connected with the support frame, a mounting groove is formed in the stand column, the positive motor and the negative motor are fixedly arranged at the bottom of the mounting groove, one end of an output shaft of the positive motor is fixedly provided with a second screw rod, the second screw rod is connected with an adjusting column through threads, a containing groove corresponding to the adjusting column is formed in the upper surface of the stand column, the containing groove is communicated with the mounting groove, one end of the second screw rod is rotatably arranged at the bottom of the containing groove, and a thread groove corresponding to the second screw rod is formed in the bottom of the adjusting column.

Preferably, the cleaning assembly comprises a fixed bottom plate and a mounting plate, wherein the fixed bottom plate is fixedly connected with the adjusting column, and the mounting plate is in sliding connection with the fixed bottom plate.

As the preferred one side of the mounting plate is fixedly provided with the cleaning motor, the output shaft of the cleaning motor penetrates through one side of the mounting plate, one side of the mounting plate is provided with the connecting hole, one end of the output shaft of the cleaning motor is fixedly provided with the cleaning brush plate, the bottom of the mounting plate is fixedly provided with the sliding block, the upper surface of the fixed bottom plate is provided with the sliding groove corresponding to the sliding block, and the sliding block is slidably arranged on the sliding groove.

As preferable in the utility model, one end of the upper surface of the mounting plate is fixedly provided with a positioning plate, one side of the positioning plate is fixedly provided with an electric cylinder, one end of the electric cylinder is fixedly provided with a push plate, and the push plate is fixedly connected with the mounting plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the design that the telescopic grooves corresponding to the clamping rods are formed in the upper surface of the base plate, when the up-down position of the schlieren main body is adjusted, the clamping rods move up and down in the telescopic grooves, the gear motor is started after stopping moving, the gear motor drives the first screw rod to rotate through the cooperation between the two groups of synchronous wheels and the synchronous belt, the first screw rods at the two ends of the connecting rods drive the adjusting plates to move through threaded holes when rotating, the two groups of adjusting plates move oppositely, the clamping blocks are driven to move when the adjusting plates move, then the clamping blocks are inserted into the telescopic grooves through the clamping grooves, the two groups of clamping blocks are mutually close to clamp the clamping rods, so that the effect that the fixing assembly can improve the stability of the adjusting rods to the schlieren main body is achieved, the positive and negative motor can drive the adjusting rods to move up and down through the second screw rod, the adjusting rods can drive the fixing base plate to move up and down, then the electric cylinder is matched to adjust the position of the cleaning brush plate, and then the cleaning motor is started, and the cleaning motor drives the cleaning plate to rotate, so that lenses at one end of the schlieren main body are cleaned conveniently, and the effect of the operating efficiency is improved is achieved.

2. According to the utility model, the clamping blocks are fixedly arranged at one end of one side of the adjusting plate, the adjusting plate moves through the first screw rod, the adjusting plate moves to drive the clamping blocks to move, and the gear motor drives the first screw rod to rotate through the cooperation of the synchronous wheel and the synchronous belt, so that the effect that the gear motor can drive the two groups of clamping blocks to move oppositely is achieved.

3. According to the utility model, through the design that the top plate is fixedly connected with the base plate, the protective shell can be fixed on one side of the base plate through the top plate and the first fixing plate, and the two groups of synchronous wheels and the synchronous belt operate in the protective shell, so that the protective shell can protect the synchronous wheels and the synchronous belt and prevent the synchronous wheels and the synchronous belt from being influenced by external interference to affect normal operation.

4. According to the utility model, through the design that the second screw rod is fixedly arranged at one end of the output shaft of the positive and negative motor, the positive and negative motor can drive the second screw rod to rotate, and the adjusting column can be driven to move through the thread groove when the second screw rod rotates, so that the effect that the positive and negative motor can control the adjusting column to move up and down is achieved.

5. According to the utility model, through the design that the fixed bottom plate is fixedly connected with the adjusting column, when the positive and negative motor drives the adjusting column to move up and down, the adjusting column can drive the fixed bottom plate to move, and then the electric cylinder is matched to adjust the position of the cleaning brush plate, so that the effect of cleaning different positions on lenses at one end of different schlieren main bodies is achieved.

6. According to the utility model, through the design of sliding installation of the sliding blocks and sliding grooves, the installation plate can slide on the sliding grooves through the sliding blocks, so that the effect that the installation plate can move in an oriented manner on the upper surface of the fixed bottom plate through the isomorphic sliding blocks and the sliding grooves is achieved.

7. According to the utility model, through the design that the push plate is fixedly connected with the mounting plate, the electric cylinder can drive the push plate to move, and the push plate can drive the mounting plate to move on the fixed bottom plate, so that the effect of cleaning lenses at one end of the schlieren instrument main body with different intensities is achieved.

Drawings

FIG. 1 is a schematic perspective view of the overall structure provided by an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of a fixing assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic perspective view of a substrate structure according to an embodiment of the present utility model;

fig. 4 is a schematic perspective view of a cleaning assembly according to an embodiment of the present utility model.

In the figure: 1. a support frame; 2. adjusting the bottom plate; 3. a schlieren instrument body; 4. a mounting clip; 5. a connecting plate; 6. a height adjuster; 7. an adjusting rod; 8. a thread groove; 9. an adjustment assembly; 10. a fixing assembly; 11. a stabilizer bar; 12. a cleaning assembly; 13. a first through hole; 14. a chute; 15. a second through hole; 16. a telescopic slot; 17. a clamping groove; 18. a slide block; 19. a carrying plate; 20. a clamping rod; 101. a protective shell; 102. a speed reducing motor; 103. a synchronizing wheel; 104. a synchronous belt; 105. a first fixing plate; 106. a connecting column; 107. a second fixing plate; 108. a top plate; 109. a connecting rod; 110. a first screw rod; 111. an adjusting plate; 112. a clamping block; 113. a substrate; 901. a forward and reverse motor; 902. a column; 903. a second screw rod; 904. an adjusting column; 1201. cleaning a motor; 1202. a mounting plate; 1203. cleaning a brush plate; 1204. a positioning plate; 1205. an electric cylinder; 1206. a push plate; 1207. and fixing the bottom plate.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

The structure of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the connecting structure of the schlieren instrument provided by the embodiment of the utility model comprises a supporting frame 1, wherein two ends of the upper surface of the supporting frame 1 are respectively provided with an adjusting bottom plate 2, the middle part of the upper surface of the adjusting bottom plate 2 is fixedly provided with a height adjuster 6, the upper surface of the height adjuster 6 is provided with an adjusting rod 7, the side wall of the adjusting rod 7 is fixedly provided with a connecting plate 5, two sides of the connecting plate 5 are respectively fixedly provided with a stabilizer 11, one end of the stabilizer 11 is fixedly provided with a bearing plate 19, two ends of the bottom of the bearing plate 19 are respectively fixedly provided with a clamping rod 20, two ends of the upper surface of the adjusting bottom plate 2 are respectively fixedly provided with a fixing component 10, the fixing components 10 correspond to the clamping rods 20 in position, the upper end of the adjusting rod 7 is rotationally connected with a mounting clamp 4, the mounting clamp 4 is provided with a schlieren instrument main body 3, one end of the supporting frame 1 is fixedly provided with an adjusting component 9, and the upper end of the adjusting component 9 is fixedly provided with a cleaning component 12.

The scheme is adopted: through the design of the telescopic slot 16 corresponding to the clamping rod 20 is arranged on the upper surface of the base plate 113, when the up-down position of the schlieren main body 3 is adjusted, the clamping rod 20 moves up and down in the telescopic slot 16, the gear motor 102 is started after the movement is stopped, the gear motor 102 drives the first screw rod 110 to rotate through the cooperation between the two groups of synchronous wheels 103 and the synchronous belt 104, the first screw rods 110 at two ends of the connecting rod 109 can drive the adjusting plates 111 to move through threaded holes when rotating, the two groups of adjusting plates 111 move oppositely, the clamping blocks 112 are driven to move when the adjusting plates 111 move, then the clamping blocks 112 are inserted into the telescopic slot 16 through the clamping slots 17, the two groups of clamping blocks 112 are mutually close to clamp the clamping rod 20, thereby achieving the effect that the fixing component 10 can improve the stability of the adjusting rod 7 to the schlieren main body 3, the fixed bottom plate 1207 and the adjusting column 904 are fixedly connected, the positive and negative motor 901 can drive the adjusting column 904 to move up and down through the second screw rod 903, the fixed bottom plate 1207 can be driven to move through the screw holes, then the electric cylinder 1205 is matched with the motor 1205 to adjust the position of the cleaning brush plate 1203, then the motor is started, the motor is driven to drive the cleaning plate 1201 to rotate, thereby cleaning the cleaning lens 1201 is convenient, and the cleaning effect is achieved.

Referring to fig. 2 and 3, the fixing assembly 10 includes a base plate 113, the base plate 113 is fixedly connected with the adjusting base plate 2, a telescopic slot 16 corresponding to the clamping rod 20 is provided on the upper surface of the base plate 113, two ends of one side of the base plate 113 are provided with rotating holes, a connecting rod 109 is rotatably connected to the rotating holes, two ends of the connecting rod 109 are fixedly provided with first screw rods 110, the first screw rods 110 are connected with an adjusting plate 111 through threads, one end of one side of the adjusting plate 111 is fixedly provided with a clamping block 112, two sides of the base plate 113 are provided with clamping slots 17 corresponding to the clamping block 112, the clamping slots 17 are communicated with the telescopic slot 16, one side of the adjusting plate 111 is provided with threaded holes corresponding to the first screw rods 110, one end of one group of the first screw rods 110 is rotatably connected with a second fixing plate 107, and one end of the other group of the first screw rods 110 is rotatably connected with a protecting shell 101.

The scheme is adopted: through the design that clamping block 112 is fixed to one end of regulating plate 111 one side, regulating plate 111 moves through first lead screw 110, and regulating plate 111 removes and can drive clamping block 112 and remove, and gear motor 102 drives first lead screw 110 through the cooperation of synchronizing wheel 103 and hold-in range 104 to the effect that gear motor 102 can drive two sets of clamping blocks 112 and do opposite movement has been reached.

Referring to fig. 2 and 3, the first fixing plate 105 is fixedly installed at two ends of one side of the protecting shell 101, the top plate 108 is fixedly installed at two ends of the first fixing plate 105 and the second fixing plate 107, the top plate 108 is fixedly connected with the base plate 113, the connecting post 106 is fixedly installed at one end of the other group of first screw rods 110, the connecting post 106 penetrates through one side of the first fixing plate 105, the second through hole 15 is formed in one side of the first fixing plate 105, the synchronizing wheel 103 is fixedly installed at one end of the connecting post 106, the synchronous belt 104 is sleeved between the two groups of synchronizing wheels 103, the two groups of synchronizing wheels 103 are rotatably installed on the inner wall of the protecting shell 101, the reducing motor 102 is fixedly installed at one end of the other side of the protecting shell 101, the output shaft of the reducing motor 102 penetrates through the other side of the protecting shell 101, the first through hole 13 is formed at one end of the other side of the protecting shell 101, and one end of the output shaft of the reducing motor 102 is fixedly connected with one group of synchronizing wheels 103.

The scheme is adopted: through the design of roof 108 and base plate 113 fixed connection, protection shell 101 can be fixed in base plate 113 one side through roof 108 and first fixed plate 105, and two sets of synchronizing wheel 103 and hold-in range 104 are at the inside operation of protection shell 101 to reached protection shell 101 and can protected synchronizing wheel 103 and hold-in range 104, prevented to receive the effect that external interference influences normal operating.

Referring to fig. 4, the adjusting component 9 includes a stand 902 and a positive and negative motor 901, the stand 902 is fixedly connected with the support frame 1, a mounting groove is formed in the stand 902, the positive and negative motor 901 is fixedly mounted at the bottom of the mounting groove, one end of an output shaft of the positive and negative motor 901 is fixedly mounted with a second screw rod 903, the second screw rod 903 is connected with an adjusting column 904 through threads, a storage groove corresponding to the adjusting column 904 is formed in the upper surface of the stand 902, the storage groove is communicated with the mounting groove, one end of the second screw rod 903 is rotatably mounted at the bottom of the storage groove, and a thread groove 8 corresponding to the second screw rod 903 is formed in the bottom of the adjusting column 904.

The scheme is adopted: through the design of positive and negative motor 901 output shaft's one end fixed mounting second lead screw 903, positive and negative motor 901 can drive second lead screw 903 and rotate, can drive adjusting column 904 through thread groove 8 when second lead screw 903 rotates to reach positive and negative motor 901 and can control adjusting column 904 the effect of reciprocating.

Referring to fig. 4, the cleaning assembly 12 includes a fixed base plate 1207 and a mounting plate 1202, the fixed base plate 1207 being fixedly coupled to the adjustment post 904, the mounting plate 1202 being slidably coupled to the fixed base plate 1207.

The scheme is adopted: through fixed baseplate 1207 and adjusting column 904 fixed connection's design, when positive and negative motor 901 drove adjusting column 904 and reciprocates, adjusting column 904 can drive fixed baseplate 1207 and remove, cooperates the position of electronic jar 1205 adjustment cleaning brush board 1203 afterwards to reached the effect that can carry out cleaning treatment to different positions on the lens of different schlieren instrument main part 3 one end.

Referring to fig. 4, a cleaning motor 1201 is fixedly installed on one side of a mounting plate 1202, an output shaft of the cleaning motor 1201 penetrates through one side of the mounting plate 1202, a connecting hole is formed on one side of the mounting plate 1202, a cleaning brush plate 1203 is fixedly installed at one end of the output shaft of the cleaning motor 1201, a sliding block 18 is fixedly installed at the bottom of the mounting plate 1202, a sliding groove 14 corresponding to the sliding block 18 is formed in the upper surface of a fixed bottom plate 1207, and the sliding block 18 is slidably installed on the sliding groove 14.

The scheme is adopted: by virtue of the sliding installation of the sliding block 18 and the design on the sliding groove 14, the installation plate 1202 can slide on the sliding groove 14 through the sliding block 18, so that the installation plate 1202 can move on the upper surface of the fixed bottom plate 1207 in a directional manner through the sliding block 18 and the sliding groove 14.

Referring to fig. 4, a positioning plate 1204 is fixedly installed at one end of the upper surface of the mounting plate 1202, an electric cylinder 1205 is fixedly installed at one side of the positioning plate 1204, a push plate 1206 is fixedly installed at one end of the electric cylinder 1205, and the push plate 1206 is fixedly connected with the mounting plate 1202.

The scheme is adopted: through push pedal 1206 and mounting panel 1202 fixed connection's design, electronic jar 1205 can drive the push pedal 1206 and remove, and push pedal 1206 can promote mounting panel 1202 and remove on fixed bottom plate 1207 to the effect that can carry out different intensity to the lens of tattooing instrument main part 3 one end has been reached.

The working principle of the utility model is as follows:

when the clamping device is used, the gear motor 102 is started, the gear motor 102 drives one group of synchronous wheels 103 to rotate, the other group of synchronous wheels 103 rotate when the one group of synchronous wheels 103 rotate, the two groups of synchronous wheels 103 rotate to drive the first screw rod 110 to rotate through the connecting column 106, the first screw rod 110 rotates to drive the other group of first screw rods 110 to rotate through the connecting rod 109, the first screw rods 110 at two ends of the connecting rod 109 can drive the adjusting plates 111 to move through threaded holes when rotating, the two groups of adjusting plates 111 move oppositely, the clamping blocks 112 are driven to move when the adjusting plates 111 move, then the clamping blocks 112 are inserted into the telescopic grooves 16 through the clamping grooves 17, and the two groups of clamping blocks 112 are mutually close to clamp the clamping rods 20.

To sum up: this connection structure of schlieren's appearance, through connecting plate 5, adjusting part 9, fixed subassembly 10, stabilizer bar 11, clean subassembly 12, first through-hole 13, cooperation between loading board 19 and the clamping pole 20, solved current most schlieren's appearance and when adjusting height, all support the regulation by a pole, stability is not good, in case receive external collision, take place the slope easily, simultaneously the schlieren's appearance when using, the lens of schlieren's appearance one end glues dust easily, leads to still need clear up the problem before using.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Connection structure of schlieren instrument, including support frame (1), its characterized in that: the utility model discloses a camera, including support frame (1), adjusting plate (2), adjusting plate (7), adjusting plate (5), connecting plate (5) both sides all fixed mounting have stabilizer bar (11), stabilizer bar (11) one end fixed mounting has loading board (19), loading board (19) bottom both ends all fixed mounting have clamping bar (20), adjusting plate (2) upper surface both ends all fixed mounting have fixed subassembly (10), fixed subassembly (10) are corresponding with clamping bar (20) position, adjusting plate (7) upper end rotation is connected with installation clamp (4), be provided with schlieren's sight main part (3) on the installation clamp (4), support frame (1) one end fixed mounting has adjusting part (9), adjusting part (9) upper end fixed mounting has cleaning part (12).

2. The connection structure of a schlieren instrument as set forth in claim 1, wherein: the fixing assembly (10) comprises a base plate (113), base plate (113) and regulating bottom plate (2) fixed connection, telescopic slot (16) corresponding with clamping rod (20) are seted up to base plate (113) upper surface, rotation hole has been seted up at the both ends of base plate (113) one side, rotate on the rotation hole and be connected with connecting rod (109), first lead screw (110) are all fixed mounting at connecting rod (109) both ends, first lead screw (110) have regulating plate (111) through threaded connection, one end fixed mounting of regulating plate (111) one side has grip block (112), clamping slot (17) corresponding with grip block (112) have all been seted up to base plate (113) both sides, clamping slot (17) communicate with each other with telescopic slot (16), screw hole corresponding with first lead screw (110) has been seted up to regulating plate (111) one side, a set of first lead screw (110) one end rotates and is connected with second fixed plate (107), another set of first lead screw (110) one end rotates and is connected with protecting crust (101).

3. The connection structure of a schlieren instrument as set forth in claim 2, wherein: the utility model discloses a synchronous motor, including protecting crust (101), including base plate (113), connecting column (106), synchronizing wheel (103), synchronous belt (104) are set up between synchronous wheel (103), two sets of synchronous wheel (103) all rotate and install in protecting crust (101) inner wall, one end fixed mounting gear motor (102) of protecting crust (101) opposite side, gear motor (102) output shaft runs through protecting crust (101) opposite side, first through-hole (13) have been seted up to one end of connecting column (106) one side, second through-hole (15) have been seted up to one side of first fixed plate (105), connecting column (106) one end fixed mounting has synchronous wheel (103), two sets of synchronous wheel (103) are overlapped, two sets of synchronous wheel (103) all rotate and install in protecting crust (101) inner wall, one end fixed mounting of protecting crust (101) opposite side has gear motor (102), one end of gear motor (102) output shaft runs through protecting crust (101) opposite side, one end of protecting crust (101) opposite side has seted up first through-hole (13), one end of gear motor (102) output shaft and one set of synchronous wheel (103) fixed connection.

4. The connection structure of a schlieren instrument as set forth in claim 1, wherein: the adjusting component (9) comprises a stand column (902) and a positive and negative motor (901), the stand column (902) is fixedly connected with the support frame (1), a mounting groove is formed in the stand column (902), the positive and negative motor (901) is fixedly mounted at the bottom of the mounting groove, a second screw rod (903) is fixedly mounted at one end of an output shaft of the positive and negative motor (901), an adjusting column (904) is connected with the second screw rod (903) through threads, a storage groove corresponding to the adjusting column (904) is formed in the upper surface of the stand column (902), the storage groove is communicated with the mounting groove, one end of the second screw rod (903) is rotatably mounted at the bottom of the storage groove, and a thread groove (8) corresponding to the second screw rod (903) is formed in the bottom of the adjusting column (904).

5. The connection structure of a schlieren instrument as set forth in claim 1, wherein: the cleaning assembly (12) comprises a fixed base plate (1207) and a mounting plate (1202), wherein the fixed base plate (1207) is fixedly connected with the adjusting column (904), and the mounting plate (1202) is slidably connected with the fixed base plate (1207).

6. The connection structure of a schlieren instrument according to claim 5, wherein: cleaning motor (1201) is installed to mounting panel (1202) one side fixed mounting, cleaning motor (1201) output shaft runs through mounting panel (1202) one side, the connecting hole has been seted up to mounting panel (1202) one side, cleaning motor (1201) output shaft's one end fixed mounting has cleaning brush board (1203), mounting panel (1202) bottom fixed mounting has slider (18), spout (14) corresponding with slider (18) have been seted up to fixed baseplate (1207) upper surface, slider (18) slidable mounting is on spout (14).

7. The connection structure of a schlieren instrument according to claim 5, wherein: a locating plate (1204) is fixedly arranged at one end of the upper surface of the mounting plate (1202), an electric cylinder (1205) is fixedly arranged at one side of the locating plate (1204), a push plate (1206) is fixedly arranged at one end of the electric cylinder (1205), and the push plate (1206) is fixedly connected with the mounting plate (1202).