CN218646864U

CN218646864U - Liftable formula schlieren appearance

Info

Publication number: CN218646864U
Application number: CN202223034330.1U
Authority: CN
Inventors: 闫晓磊
Original assignee: Sichuan Hezheng Photoelectric Technology Co ltd
Current assignee: Sichuan Hezheng Photoelectric Technology Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-03-17
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a liftable formula schlieren appearance, comprising a base plate, the equal fixed mounting in bottom plate upper surface both ends has the loading board, bottom plate lower surface middle part fixed mounting has supporting component, the supporting component lower extreme rotates and is connected with adjusting part, adjusting part bottom fixed mounting has the backup pad, backup pad and supporting leg fixed connection, the utility model discloses possess the design through mounting panel bottom fixed mounting second dwang, the second dwang rotates between two sets of second side dress boards, and the mounting panel can rotate between the second side dress board through the second dwang, when not using schlieren appearance main part, rotates two sets of mounting panels relatively, superposes together two sets of mounting panels afterwards, can make the mounting panel accomodate, deuterogamy adjusting part with the height of bottom plate downwards adjustment afterwards to reached and can be when not using schlieren appearance main part, reduced the whole occupation space of schlieren appearance, and the advantage of the effect of convenient removal transportation.

Description

Liftable formula schlieren appearance

Technical Field

The utility model belongs to the technical field of schlieren instrument, especially, relate to a liftable formula schlieren instrument.

Background

The schlieren instrument displays the refractive index of light according to the angular deflection of the light caused by air flows with different densities, and is a device for measuring the tiny deflection angle of the light. The method converts the density gradient change in the flow field into the relative light intensity change on the recording plane, so that the areas with severe density changes such as shock waves, compression waves and the like in the compressible flow field become observable and distinguishable images. Publication No.: CN213749643U discloses a schlieren instrument. The schlieren instrument comprises a concave reflector; the light source and the small hole are sequentially arranged on the incident light path along the incident direction, and the central lines of the light source and the small hole define the incident direction; the knife edge, the single convex lens and the imaging element are sequentially arranged on the reflection light path along the reflection direction, a light cutting part on the knife edge and the center of the small hole are symmetrical about the central line of the reflector, the distance between the position of the light cutting part and the central point of the reflector is twice of the focal length of the reflector, light emitted by the light source is incident on the reflector in the form of an incident light column after passing through the small hole and is reflected to the knife edge by the reflector in the form of a reflected light column, and the part of the reflected light column passing through the knife edge travels to the convex lens and is focused to the imaging element by the convex lens to form images. Utilize the utility model discloses a scheme can reduce the cost of schlieren instrument, promotes schlieren instrument's popularization, improves schlieren instrument's flexibility.

The problems of the technology are that: present great majority's schlieren appearance is whole when removing the transportation, and the whole occupation space of schlieren appearance is too big, leads to the transportation of accomodating that can not be fine when removing the transportation, and the schlieren appearance needs continuous adjustment schlieren appearance's height in the use, and is comparatively loaded down with trivial details when adjusting height, leads to wasting time and energy in not the use, therefore we propose a liftable formula schlieren appearance.

SUMMERY OF THE UTILITY MODEL

The problem to prior art exists, the utility model provides a liftable formula schlieren appearance, the demand height that possesses adjustment schlieren appearance that can be quick, can also be convenient for accomodate when not using, reduce the holistic occupation space's of schlieren appearance advantage, it is whole when removing the transportation to have solved present most schlieren appearance, the whole occupation space of schlieren appearance is too big, lead to accomodating the transportation that can not be fine when removing the transportation, the schlieren appearance needs the height of continuous adjustment schlieren appearance in the use, it is comparatively loaded down with trivial details when the height-adjusting, lead to the problem that wastes time and energy in the not use.

The utility model discloses a realize like this, a liftable formula schlieren appearance, comprising a base plate, the equal fixed mounting in bottom plate upper surface both ends has the loading board, the loading board upper surface rotates and is connected with the installation component, the installation component upper end is provided with schlieren appearance main part, the equal fixed mounting in both ends of bottom plate lower surface both sides has the regulation pole, it has the supporting leg to adjust pole lower extreme slidable mounting, bottom plate lower surface middle part fixed mounting has a supporting component, the supporting component lower extreme rotates and is connected with adjusting part, adjusting part bottom fixed mounting has the backup pad, backup pad and supporting leg fixed connection.

As the utility model discloses it is preferred, the installation component includes the mounting panel, the mounting panel rotates with the loading board to be connected, mounting panel one side slidable mounting has the second limiting plate, the mounting panel opposite side correspondence is provided with first limiting plate, first limiting plate and loading board fixed connection, mounting panel upper surface one end is rotated and is connected with annular joint board, annular joint board one end fixed mounting has the second locating plate, mounting panel upper surface other end fixed mounting has first locating plate, threaded hole has all been seted up to first locating plate and second locating plate upper surface, the screw hole has the bolt through threaded connection.

As the utility model discloses it is preferred, mounting panel bottom fixed mounting has the second dwang, second dwang both ends are all rotated and are connected with second side dress board, second side dress board and loading board fixed connection.

As the utility model discloses it is preferred, second limiting plate one side fixed mounting has the slider, the second spout corresponding with the slider is seted up to mounting panel one side, slider slidable mounting is on the second spout, annular joint board other end fixed mounting has the connecting rod, the connecting rod both ends are all rotated and are connected with third side equipment board, third side equipment board and mounting panel fixed connection.

As the utility model discloses it is preferred, it sets up flutedly to adjust pole one side, fixed mounting has the sliding block on the recess, the supporting leg lateral wall is fixed to be seted up with the corresponding sliding tray of sliding block, sliding block slidable mounting is on the sliding tray, both sides fixed mounting has the second dead lever, both ends between adjusting pole one side fixed mounting has first dead lever between adjusting pole one side.

As the utility model discloses it is preferred, the supporting component includes installation shell and first folding rod, installation shell and bottom plate fixed connection, the rotation hole has been seted up at first folding rod one side middle part, it is connected with the installation axle to rotate on the rotation hole, installation axle one end is rotated and is connected with the second folding rod, the equal fixed mounting of first folding rod and second folding rod one end has the slide bar, the installation shell inner wall has been seted up with the corresponding first spout of slide bar, slide bar movable mounting is on first spout, the one end of first folding rod one side is rotated and is connected with another set of second folding rod, the one end of second folding rod one side is rotated and is connected with another set of first folding rod, another set another rotation hole has been seted up at first folding rod one side middle part, another set rotate and is connected with another set of installation axle on the rotation hole, another set the installation axle rotates with another set of second folding rod and is connected, another set of first folding rod and the equal fixed mounting block of second folding rod lower extreme.

As the utility model discloses it is preferred, the adjusting part is including adjusting shell and gear motor, adjust shell and backup pad fixed connection, gear motor fixed mounting is in adjusting shell one end, the gear motor output shaft runs through adjusting shell one end, the through-hole has been seted up to adjusting shell one end, the one end fixed mounting of gear motor output shaft has two-way lead screw, two-way lead screw both ends all have the regulating plate through threaded connection, and are two sets of the screw corresponding with two-way lead screw has all been seted up to regulating plate one side, the equal fixed mounting in regulating plate both ends has the guide block, adjusting shell inner wall fixed mounting has the guide bar, the guide bar runs through guide block one side, the guiding hole has been seted up to guide block one side, fixed surface installs the fixed plate on the regulating plate, the equal fixed mounting in fixed surface both ends has first side mounting plate, and is two sets of it is connected with first rotation pole to rotate between the first side mounting plate, and a set of first folding rod fixed connection of first rotation pole and another group, another group first folding rod fixed connection of second.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a design of mounting panel bottom fixed mounting second dwang, the second dwang rotates between two sets of second side dress boards, the mounting panel can rotate between second side dress board through the second dwang, when not using schlieren instrument main part, rotate two sets of mounting panels relatively, superpose two sets of mounting panels together afterwards, can make the mounting panel accomodate, deuterogamy adjusting part is with the height of bottom plate adjustment downwards afterwards, thereby reached and to have not used schlieren instrument main part, reduce the whole occupation space of schlieren instrument, and conveniently remove the effect of transportation, the installation shell drives the design of bottom plate fixed connection, gear motor can be through the cooperation of two-way lead screw and two sets of regulating plates, can drive two sets of regulating plates through the screw and do opposite movement when two-way lead screw rotates, the regulating plate removes can drive two sets of first folding rods and two sets of second folding rods and removes, two sets of first folding rods and two sets of second folding rods mutually support and can drive the installation shell, the installation shell drives the bottom plate and reciprocates, can make the drive schlieren instrument main part reciprocate, thereby the effect of adjustment schlieren instrument main part demand height that can be quick has been reached.

2. The utility model discloses a mounting panel opposite side corresponds the design that sets up first limiting plate, and the mounting panel is in the pivoted, and first limiting plate can rotate the mounting panel spacing, cooperates the second limiting plate afterwards to reached and to have makeed spacing fixed effect when using the mounting panel.

3. The utility model discloses a design of connecting second side mounting plate is all rotated at second dwang both ends, and the mounting panel can use the second dwang to rotate between two sets of second side mounting plates as the center pin to the effect of being convenient for accomodate the mounting panel has been reached.

4. The utility model discloses a slider slidable mounting is in the design on the second spout, and the second limiting plate can slide on the second spout through the slider to reached when upwards rotating the mounting panel, thereby reached the second limiting plate can carry out spacing fixed effect to the mounting panel through the slider automatic gliding on the second spout.

5. The utility model discloses a sliding block slidable mounting is in the design on the sliding tray, adjusts the pole and can slide on the sliding tray through the sliding block to reached and to have so that the stable effect that reciprocates of bottom plate.

6. The utility model discloses a design on slide bar sliding connection and the first spout, first folding rod and the second folding rod all can move on first spout through the slide bar to reached and to have so that the effect that first folding rod and the second folding rod all can be oriented and move on the installation shell.

7. The utility model discloses a design of guiding hole is seted up to guide block one side, and two-way lead screw is when driving the regulating plate and remove, and the regulating plate drives the guide block and removes, and the guide block passes through the guiding hole and moves on the guide bar to the effect of stability when having reached and can having improved the regulating plate and remove.

Drawings

Fig. 1 is a schematic perspective view of the overall structure provided by the embodiment of the present invention;

fig. 2 is a schematic perspective view of an adjusting rod structure provided in the embodiment of the present invention;

fig. 3 is a schematic perspective view of a support assembly structure provided in an embodiment of the present invention;

fig. 4 is a schematic perspective view of a mounting assembly structure provided in an embodiment of the present invention.

In the figure: 1. a schlieren instrument body; 2. a support plate; 3. carrying a plate; 4. supporting legs; 5. adjusting a rod; 6. a base plate; 7. a first fixing lever; 8. a second fixing bar; 9. an adjustment assembly; 10. a support assembly; 11. mounting the component; 12. a slider; 13. a sliding groove; 14. a first chute; 15. a slide bar; 16. a first side mounting plate; 17. a first rotating lever; 18. a fixing plate; 19. a second side mounting plate; 20. a second rotating rod; 21. a third side mounting plate; 22. a connecting rod; 23. a second chute; 24. a slider; 101. mounting a shell; 102. connecting blocks; 103. a first folding bar; 104. installing a shaft; 105. a second folding bar; 901. a reduction motor; 902. an adjustment housing; 903. a bidirectional screw rod; 904. a guide bar; 905. an adjusting plate; 906. a guide block; 1101. mounting a plate; 1102. a first positioning plate; 1103. an annular clamping and connecting plate; 1104. a second positioning plate; 1105. a bolt; 1106. a first limit plate; 1107. and a second limiting plate.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

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

As shown in fig. 1 to 4, the embodiment of the utility model provides a pair of liftable formula schlieren appearance, including bottom plate 6, the equal fixed mounting in bottom plate 6 upper surface both ends has loading board 3, loading board 3 upper surfaces rotate and are connected with installation component 11, installation component 11 upper end is provided with schlieren appearance main part 1, the equal fixed mounting in both ends of 6 lower surface both sides of bottom plate has regulation pole 5, adjust 5 lower extreme slidable mounting of pole have supporting

leg

4, 6 lower surface middle part fixed mounting of bottom plate has supporting component 10, supporting component 10 lower extreme rotates and is connected with adjusting component 9, adjusting component 9 bottom fixed mounting has backup pad 2, backup pad 2 and supporting leg 4 fixed connection.

Adopt above-mentioned scheme: through the design of mounting panel 1101 bottom fixed mounting second dwang 20, second dwang 20 rotates between two sets of second side dress boards 19, mounting panel 1101 can rotate between second side dress boards 19 through second dwang 20, when not using schlieren instrument main part 1, rotate two sets of mounting panel 1101 relatively, later with two sets of mounting panel 1101 stack together, can make mounting panel 1101 accomodate, later cooperate adjusting part 9 again and adjust the height of bottom plate 6 downwards, thereby reached and to have reached when not using schlieren instrument main part 1, reduce the whole occupation space of schlieren instrument, and conveniently remove the effect of transportation, installation shell 101 and bottom plate 6 fixed connection's design, gear motor 901 can pass through the cooperation of two-way lead screw 903 and two sets of regulating plate 905 and do opposite movement through the screw drive two sets of regulating plate 905 when two-way lead screw 903 rotates, regulating plate 905 removes and can drive two sets of first folding rod 103 and two sets of second folding rod 105 and mutually support and can drive installation shell 101 and reciprocate, installation shell 101 drives bottom plate 6, can make regulating plate 905 reach two sets of first folding rod 103 and two sets of second folding rod 105 and can drive the quick schlieren instrument main part 1 and has reciprocated effect demand effect.

Referring to fig. 4, the mounting assembly 11 includes a mounting plate 1101, the mounting plate 1101 is rotatably connected to the loading plate 3, a second limiting plate 1107 is slidably mounted on one side of the mounting plate 1101, a first limiting plate 1106 is correspondingly disposed on the other side of the mounting plate 1101, the first limiting plate 1106 is fixedly connected to the loading plate 3, an annular clamping plate 1103 is rotatably connected to one end of the upper surface of the mounting plate 1101, a second limiting plate 1104 is fixedly mounted to one end of the annular clamping plate 1103, a first limiting plate 1102 is fixedly mounted to the other end of the upper surface of the mounting plate 1101, threaded holes are formed in the upper surfaces of the first limiting plate 1102 and the second limiting plate 1104, and bolts 1105 are connected to the threaded holes through threads.

Adopt above-mentioned scheme: through the corresponding design that sets up first limiting plate 1106 of mounting panel 1101 opposite side, mounting panel 1101 is when rotating, and first limiting plate 1106 can rotate spacingly to mounting panel 1101, cooperates second limiting plate 1107 afterwards to reached and to have so that spacing fixed effect when using mounting panel 1101.

Referring to fig. 4, a second rotating rod 20 is fixedly mounted at the bottom of the mounting plate 1101, a second side mounting plate 19 is rotatably connected to both ends of the second rotating rod 20, and the second side mounting plate 19 is fixedly connected to the bearing plate 3.

Adopt above-mentioned scheme: through the design that second dwang 20 both ends all rotated and connect second side dress board 19, mounting panel 1101 can use second dwang 20 to rotate between two sets of second side dress boards 19 as the center pin to reached the effect of being convenient for accomodate mounting panel 1101.

Referring to fig. 4, a slider 24 is fixedly mounted on one side of the second position limiting plate 1107, a second chute 23 corresponding to the slider 24 is formed in one side of the mounting plate 1101, the slider 24 is slidably mounted on the second chute 23, a connecting rod 22 is fixedly mounted at the other end of the annular clamping plate 1103, both ends of the connecting rod 22 are rotatably connected with a third side mounting plate 21, and the third side mounting plate 21 is fixedly connected with the mounting plate 1101.

The scheme is adopted: through the design of slider 24 slidable mounting on second spout 23, second limiting plate 1107 can slide on second spout 23 through slider 24 to reached when upwards rotating mounting panel 1101, thereby reached second limiting plate 1107 can carry out spacing fixed effect to mounting panel 1101 through slider 24 automatic gliding on second spout 23.

Referring to fig. 2, a groove is formed in one side of the adjusting rod 5, a sliding block 12 is fixedly mounted on the groove, a sliding groove 13 corresponding to the sliding block 12 is fixedly formed in the side wall of the supporting leg 4, the sliding block 12 is slidably mounted on the sliding groove 13, a second fixing rod 8 is fixedly mounted between one side of the adjusting rod 5 at two sides, and a first fixing rod 7 is fixedly mounted between one side of the adjusting rod 5 at two ends.

Adopt above-mentioned scheme: through the design that sliding block 12 is slidably mounted on sliding groove 13, adjusting rod 5 can slide on sliding groove 13 through sliding block 12, thereby achieving the effect that bottom plate 6 can stably move up and down.

Referring to fig. 3, the supporting assembly 10 includes an installation shell 101 and a first folding rod 103, the installation shell 101 is fixedly connected to the bottom plate 6, a rotation hole is formed in the middle of one side of the first folding rod 103, an installation shaft 104 is rotatably connected to the rotation hole, one end of the installation shaft 104 is rotatably connected to a second folding rod 105, a sliding rod 15 is fixedly installed at one end of each of the first folding rod 103 and the second folding rod 105, a first sliding slot 14 corresponding to the sliding rod 15 is formed in the inner wall of the installation shell 101, the sliding rod 15 is movably installed on the first sliding slot 14, one end of one side of the first folding rod 103 is rotatably connected to another set of second folding rods 105, one end of one side of each of the second folding rods 105 is rotatably connected to another set of first folding rods 103, another set of rotation holes is formed in the middle of one side of another set of first folding rods 103, another set of installation shaft 104 is rotatably connected to another set of second folding rods 105, and a connecting block 102 is fixedly installed at the lower end of another set of the first folding rods 103 and the second folding rods 105.

The scheme is adopted: through the design of the sliding rod 15 in sliding connection with the first sliding chute 14, the first folding rod 103 and the second folding rod 105 can both move on the first sliding chute 14 through the sliding rod 15, so that the effect that the first folding rod 103 and the second folding rod 105 can both move on the mounting shell 101 in an oriented manner is achieved.

Referring to fig. 2, the adjusting assembly 9 includes an adjusting case 902 and a speed reducing motor 901, the adjusting case 902 is fixedly connected to the supporting plate 2, the speed reducing motor 901 is fixedly installed at one end of the adjusting case 902, an output shaft of the speed reducing motor 901 penetrates through one end of the adjusting case 902, a through hole is formed in one end of the adjusting case 902, a bidirectional lead screw 903 is fixedly installed at one end of an output shaft of the speed reducing motor 901, adjusting plates 905 are connected to two ends of the bidirectional lead screw 903 through threads, screw holes corresponding to the bidirectional lead screw 903 are formed in one side of each of the two groups of adjusting plates 905, guide blocks 906 are fixedly installed at two ends of each of the adjusting plates 905, guide rods 904 are fixedly installed on the inner wall of the adjusting case 902, the guide rods 904 penetrate through one side of the guide blocks 906, guide holes are formed in one side of each of the guide blocks 906, fixed surfaces of the adjusting plates 905 are provided with fixing plates 18, first side installing plates 16 are fixedly installed at two ends of the upper surface of each fixing plate 18, a first rotating rod 17 is rotatably connected between the two groups of first rotating plates 17, one group is fixedly connected to another group of first folding rods 103, and another group of second folding rods 105 are fixedly connected to another group of second folding rods.

Adopt above-mentioned scheme: through the design that guiding hole was seted up to guide block 906 one side, when two-way lead screw 903 drove regulating plate 905 and moves, regulating plate 905 drove guide block 906 and moves, and guide block 906 moves on guide bar 904 through the guiding hole to reached and to have improved the effect of regulating plate 905 stability when moving.

The utility model discloses a theory of operation:

when using, start gear motor 901, gear motor 901 drives two-way lead screw 903 and rotates, can drive two sets of regulating plates 905 through the screw and do opposite movement when two-way lead screw 903 rotates, regulating plate 905 removes and can drive two sets of first folding rod 103 and two sets of second folding rod 105 and remove, two sets of first folding rod 103 and two sets of second folding rod 105 mutually support and can drive installation shell 101 and reciprocate, installation shell 101 drives bottom plate 6 and reciprocates, after removing a locating position, upwards rotate mounting panel 1101 afterwards, mounting panel 1101 upwards rotates after a locating position, second limiting plate 1107 can carry out spacing fixed to mounting panel 1101 through slider 24 automatic gliding on second spout 23.

In summary, the following steps: this liftable formula schlieren appearance, pass through backup pad 2, loading board 3, supporting leg 4, adjust pole 5, bottom plate 6, first dead lever 7, second dead lever 8, adjusting part 9, the cooperation between supporting part 10 and the installation component 11, it is whole when removing the transportation to have solved the schlieren appearance of current great majority, the whole occupation space of schlieren appearance is too big, lead to the transportation of accomodating that can not be fine when removing the transportation, the schlieren appearance needs the height of continuous adjustment schlieren appearance in the use, it is comparatively loaded down with trivial details when adjusting height, lead to the problem that wastes time and energy in the not use.

It should be noted that, in this document, 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. Also, 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 invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a liftable formula schlieren appearance, includes bottom plate (6), its characterized in that: the utility model discloses a traditional Chinese medicine preparation method, including bottom plate (6), loading board (3), installation subassembly (11), mounting subassembly (11), schlieren instrument main part (1), the equal fixed mounting in both ends at bottom plate (6) lower surface both sides has regulation pole (5), it has supporting leg (4) to adjust pole (5) lower extreme slidable mounting, bottom plate (6) lower surface middle part fixed mounting has supporting component (10), supporting component (10) lower extreme rotates and is connected with adjusting part (9), adjusting part (9) bottom fixed mounting has backup pad (2), backup pad (2) and supporting leg (4) fixed connection.

2. The liftable schlieren instrument of claim 1, wherein: installation component (11) are including mounting panel (1101), mounting panel (1101) rotate with loading board (3) and are connected, mounting panel (1101) one side slidable mounting has second limiting plate (1107), mounting panel (1101) opposite side correspondence is provided with first limiting plate (1106), first limiting plate (1106) and loading board (3) fixed connection, mounting panel (1101) upper surface one end is rotated and is connected with annular joint board (1103), annular joint board (1103) one end fixed mounting has second locating plate (1104), mounting panel (1101) upper surface other end fixed mounting has first locating plate (1102), threaded hole has all been seted up to first locating plate (1102) and second locating plate (1104) upper surface, the screw hole has bolt (1105) through threaded connection.

3. The liftable schlieren instrument of claim 2, wherein: mounting panel (1101) bottom fixed mounting has second dwang (20), second dwang (20) both ends are all rotated and are connected with second side mounting plate (19), second side mounting plate (19) and loading board (3) fixed connection.

4. The liftable schlieren instrument of claim 2, wherein: second limiting plate (1107) one side fixed mounting has slider (24), second spout (23) corresponding with slider (24) are seted up to mounting panel (1101) one side, slider (24) slidable mounting is on second spout (23), annular joint board (1103) other end fixed mounting has connecting rod (22), connecting rod (22) both ends are all rotated and are connected with third side equipment board (21), third side equipment board (21) and mounting panel (1101) fixed connection.

5. The liftable schlieren instrument of claim 1, wherein: adjust pole (5) one side and seted up the recess, fixed mounting has sliding block (12) on the recess, supporting leg (4) lateral wall fixed set up with sliding block (12) corresponding sliding tray (13), sliding block (12) slidable mounting is on sliding tray (13), both sides fixed mounting has second dead lever (8), both ends between adjusting pole (5) one side fixed mounting has first dead lever (7) between adjusting pole (5) one side.

6. The liftable schlieren instrument of claim 1, wherein: support assembly (10) is including installation shell (101) and first folding rod (103), installation shell (101) and bottom plate (6) fixed connection, the rotation hole has been seted up at first folding rod (103) one side middle part, it is connected with installation axle (104) to rotate on the rotation hole, installation axle (104) one end is rotated and is connected with second folding rod (105), the equal fixed mounting of first folding rod (103) and second folding rod (105) one end has slide bar (15), first spout (14) corresponding with slide bar (15) are seted up to installation shell (101) inner wall, slide bar (15) movable mounting is on first spout (14), the one end of first folding rod (103) one side is rotated and is connected with another set of second folding rod (105), the one end of second folding rod (105) one side is rotated and is connected with another set of first folding rod (103), another set of rotation hole has been seted up in addition to first folding rod (103) one side middle part, another set of rotation is connected with another set of second folding rod (104) and another set of first folding rod (103) and another set of installation axle (105) and another folding rod (105) the equal lower extreme is installed with another folding rod (105).

7. The liftable schlieren instrument of claim 1, wherein: the adjusting component (9) comprises an adjusting shell (902) and a speed reducing motor (901), the adjusting shell (902) is fixedly connected with the supporting plate (2), the speed reducing motor (901) is fixedly arranged at one end of the adjusting shell (902), an output shaft of the speed reducing motor (901) penetrates through one end of the adjusting shell (902), one end of the adjusting shell (902) is provided with a through hole, one end of an output shaft of the speed reducing motor (901) is fixedly provided with a bidirectional screw rod (903), two ends of the bidirectional screw rod (903) are connected with adjusting plates (905) through threads, one side of each of the two adjusting plates (905) is provided with a screw hole corresponding to the bidirectional screw rod (903), two ends of the adjusting plate (905) are fixedly provided with guide blocks (906), a guide rod (904) is fixedly arranged on the inner wall of the adjusting shell (902), the guide rod (904) penetrates through one side of the guide block (906), one side of the guide block (906) is provided with a guide hole, a fixing plate (18) is fixedly arranged on the upper surface of the adjusting plate (905), the equal fixed mounting in fixed plate (18) upper surface both ends has first side mounting plate (16), and is two sets of it is connected with first rotation pole (17) to rotate between first side mounting plate (16), and is a set of first rotation pole (17) and another first folding rod (103) fixed connection of group, another group first rotation pole (17) and another second folding rod (105) fixed connection of group.