CN213434577U

CN213434577U - Height adjusting mechanism for fuel oil low-temperature flow resistance performance test bed

Info

Publication number: CN213434577U
Application number: CN202022335825.2U
Authority: CN
Inventors: 匡颖惠; 左中党
Original assignee: Chengdu Tairen Zhixin Technology Co ltd
Current assignee: Chengdu Tairen Zhixin Technology Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-06-15
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a fuel low temperature flow resistance performance is high adjustment mechanism for test bench relates to test bench technical field, this fuel low temperature flow resistance performance is high adjustment mechanism for test bench, including the platen, the bottom of platen is fixedly connected with square pole and internal thread section of thick bamboo respectively, the inner wall of internal thread section of thick bamboo and the surface threaded connection of screw rod, the bottom of screw rod and the top swing joint of square board, the both sides fixedly connected with support column of square board, the square groove has been seted up at the top of support column, the inner wall of square groove and the surface swing joint of square pole, the fixed cup joints ring and drum respectively on the surface of screw rod, the fixed surface of ring is connected with the handle. The utility model discloses a set up screw rod, lug, handle and an internal thread section of thick bamboo to among the solution prior art, present common test bench is when using, and the height of test bench is fixed, can't adapt to different testing personnel's height, uses comparatively inconvenient problem.

Description

Height adjusting mechanism for fuel oil low-temperature flow resistance performance test bed

Technical Field

The utility model relates to a test bench technical field specifically is a fuel low temperature flow resistance is height adjusting mechanism for performance test bench.

Background

The fuel oil is used for a fuel engine and mainly comprises gasoline and diesel oil, the low-temperature flow resistance test bed is used for testing the flowing performance of the fuel oil in a low-temperature environment, and whether the fuel oil reaches a specified index or not is checked by detecting the low-temperature flow resistance of the fuel oil, namely whether the fuel oil is a qualified product or not is checked.

Among the prior art, present common fuel low temperature flow resistance performance test bench is when using, and the high fixed of test bench can't adapt to different testing personnel's height, and testing personnel need the low head to detect, and it is comparatively inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fuel low temperature flow resistance capability altitude mixture control mechanism for test bench possesses height-adjustable's advantage to among the solution prior art, current common test bench is when using, and the height of test bench is fixed, can't adapt to different testing personnel's height, uses comparatively inconvenient problem.

For realizing the purpose of height-adjustable, the utility model provides a following technical scheme: a height adjusting mechanism for a fuel oil low-temperature flow resistance performance test bed comprises a platen, wherein the bottom of the platen is fixedly connected with a square rod and an internal thread cylinder respectively, the inner wall of the internal thread cylinder is in threaded connection with the surface of a screw rod, the bottom of the screw rod is movably connected with the top of a square plate, support columns are fixedly connected with the two sides of the square plate, a square groove is formed in the top of each support column, the inner wall of the square groove is movably connected with the surface of the square rod, the surface of the screw rod is fixedly sleeved with a circular ring and a circular cylinder respectively, the surface of the circular ring is fixedly connected with a handle, the surface of the circular cylinder is movably connected with the surface of a push block, a groove is formed in the surface of the circular cylinder, a convex block is fixedly connected with one side, close to the screw rod, of the surface of the push block is movably connected with the inner wall of the, the top of square plate is fixedly connected with guide block and fixed block respectively, logical groove has been seted up to one side that the guide block surface is close to the screw rod, the surface of round bar and the inner wall swing joint who leads to the groove, the one end that the spring is close to the guide block is connected with the fixed surface of guide block, the spring activity cup joints the surface at the round bar, the one end that the screw rod was kept away from to the round bar runs through the fixed block and extends to the side of fixed block.

As a preferred technical scheme of the utility model, one side fixedly connected with guide bar of screw rod is kept away from on the ejector pad surface, the guide way has been seted up to one side that the guide block surface is close to the screw rod, the surface of guide bar and the inner wall swing joint of guide way, the one end that the screw rod was kept away from to the guide bar runs through the fixed block and extends to the side of fixed block.

As an optimized technical scheme of the utility model, the inner wall of guide way is inlayed and is had the ball, the surface of ball and the surperficial swing joint of guide bar.

As an optimized technical scheme of the utility model, the top of square plate is inlayed and is had roller bearing, roller bearing's inner wall is connected with the fixed surface of screw rod.

As an optimal technical scheme of the utility model, the surface of lug is the curved surface, the shape of recess and the shape looks adaptation of lug.

As a preferred technical scheme of the utility model, the opposite face of guide block and fixed block respectively with the both ends fixed connection of uide bushing, the inner wall of uide bushing and the surface swing joint of round bar.

Compared with the prior art, the utility model provides a fuel low temperature flow resistance capability height regulating mechanism for test bench possesses following beneficial effect:

1. the height adjusting mechanism for the fuel oil low-temperature flow resistance performance test bed is provided with a screw rod, a convex block, a handle and an internal thread cylinder, when the height adjusting mechanism is used and needs to be raised, the handle is rotated to drive the screw rod to drive the internal thread cylinder to drive a bedplate to move upwards, the convex block is separated from a groove, a square rod moves upwards along the inner wall of a square groove, when the square rod is raised to a proper position, the convex block is tightly attached to the groove to clamp the screw rod, the screw rod is prevented from moving randomly, when the square rod is lowered, the screw rod is rotated reversely to drive the bedplate to move downwards, the square rod moves downwards along the inner wall of the square groove, the convex block is separated from the groove, when the square rod is lowered to a proper position, the convex block is tightly attached to the groove to clamp the screw rod, the screw rod is prevented from moving randomly, the lowering of the bedplate can be completed, the, with the height that adapts to different testing personnel to solve prior art, common test bench is when using at present, and the high fixed of test bench can't adapt to different testing personnel's height, uses comparatively inconvenient problem.

2. This high adjustment mechanism for fuel low temperature flow resistance performance test bench through setting up the uide bushing, when using, the uide bushing carries out further direction to the round bar, makes the round bar remove along the inner wall of uide bushing all the time, prevents that the round bar from removing at will.

Drawings

Fig. 1 is a schematic structural view of the present invention;

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

fig. 3 is a top cross-sectional view of the bump according to the present invention.

In the figure: 1. a platen; 2. a square bar; 3. an internal threaded barrel; 4. a screw; 5. a square plate; 6. a support pillar; 7. a square groove; 8. a circular ring; 9. a cylinder; 10. a handle; 11. a push block; 12. a groove; 13. a bump; 14. a spring; 15. a round bar; 16. a guide block; 17. a fixed block; 18. a through groove; 19. a guide bar; 20. a guide groove; 21. a ball bearing; 22. a roller bearing; 23. and a guide sleeve.

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.

Referring to fig. 1-3, the utility model discloses a height adjusting mechanism for a fuel oil low-temperature flow resistance performance test bed, which comprises a bedplate 1, the bottom of the bedplate 1 is respectively fixedly connected with a square rod 2 and an internal thread cylinder 3, the number of the square rods 2 is four, the four square rods 2 are positioned at four corners of the bottom of the bedplate 1, the inner wall of the internal thread cylinder 3 is in threaded connection with the surface of a screw rod 4, the internal thread cylinder 3 is used for driving the bedplate 1 to move upwards or downwards, the bottom of the screw rod 4 is movably connected with the top of a square plate 5, the square plate 5 supports the screw rod 4, two sides of the square plate 5 are fixedly connected with supporting columns 6, the supporting columns 6 are in contact with the ground and used for increasing the supporting area with the ground, the top of the supporting columns 6 is provided with a square groove 7, the inner wall of the square groove 7 is movably connected with the surface of the square rod 2, the square groove 7 guides the square, the surface of the screw rod 4 is fixedly sleeved with a circular ring 8 and a cylinder 9 respectively, the surface of the circular ring 8 is fixedly connected with a handle 10, the handle 10 is convenient to rotate the screw rod 4, the height of the bedplate 1 can be adjusted without the help of tools, the surface of the cylinder 9 is movably connected with the surface of a push block 11, the surface of the cylinder 9 is provided with a groove 12, one side of the surface of the push block 11, which is close to the screw rod 4, is fixedly connected with a lug 13, the surface of the lug 13 is movably connected with the inner wall of the groove 12, the lug 13 is tightly attached to the groove 12, the screw rod 4 is clamped, the screw rod 4 is prevented from moving randomly, one side of the surface of the push block 11, which is far away from the screw rod 4, is fixedly connected with a spring 14 and a round rod 15 respectively, the top of the square plate 5 is fixedly connected with a guide block 16 and a fixed, the through groove 18 is used for guiding the round rod 15, the round rod 15 is enabled to move along the inner wall of the through groove 18 all the time, one end, close to the guide block 16, of the spring 14 is fixedly connected with the surface of the guide block 16, the spring 14 is movably sleeved on the surface of the round rod 15, the spring 14 extrudes the push block 11 under the action of elastic force to enable the protruding block 13 to be tightly attached to the groove 12, and one end, far away from the screw rod 4, of the round rod 15 penetrates through the fixing block 17 and extends to the side face of the fixing block 17.

Specifically, a guide rod 19 is fixedly connected to one side, away from the screw rod 4, of the surface of the push block 11, a guide groove 20 is formed in one side, close to the screw rod 4, of the surface of the guide block 16, the surface of the guide rod 19 is movably connected with the inner wall of the guide groove 20, and one end, away from the screw rod 4, of the guide rod 19 penetrates through the fixing block 17 and extends to the side face of the fixing block 17.

In this embodiment, the guide rod 19 guides the push block 11, so that the push block 11 always moves horizontally when moving, and the push block 11 is prevented from shaking randomly when moving.

Specifically, the inner wall of the guide groove 20 is embedded with a ball 21, and the surface of the ball 21 is movably connected with the surface of the guide rod 19.

In this embodiment, the balls 21 reduce the friction between the guide rod 19 and the guide groove 20, so that the guide rod 19 moves more smoothly.

Specifically, a roller bearing 22 is embedded in the top of the square plate 5, and the inner wall of the roller bearing 22 is fixedly connected with the surface of the screw rod 4.

In this embodiment, the roller bearing 22 reduces the friction between the square plate 5 and the screw 4, so that the screw 4 is more stable in rotation.

Specifically, the surface of the bump 13 is a curved surface, and the shape of the groove 12 is matched with the shape of the bump 13.

In this embodiment, the surface of the bump 13 is a curved surface to increase the contact area between the bump 13 and the groove 12, so that the bump is attached to the groove 12 more tightly.

Specifically, the opposite surfaces of the guide block 16 and the fixed block 17 are respectively fixedly connected with two ends of the guide sleeve 23, and the inner wall of the guide sleeve 23 is movably connected with the surface of the round rod 15.

In this embodiment, the guide sleeve 23 further guides the round bar 15 so that the round bar 15 moves while keeping a horizontal state.

The utility model discloses a theory of operation and use flow: when the device is used, the handle 10 is rotated to enable the screw rod 4 to drive the cylinder 9 to rotate so as to enable the convex block 13 to be separated from the groove 12, the push block 11 moves in a direction away from the screw rod 4 and extrudes the spring 14, the spring 14 is in a compressed state, meanwhile, the push block 11 drives the guide rod 19 and the round rod 15 to move in a direction away from the screw rod 4 along the inner walls of the guide groove 20 and the through groove 18, the guide sleeve 23 guides the round rod 15 so as to enable the round rod 15 to always keep a horizontal state to move, the screw rod 4 rotates so that the internal thread cylinder 3 drives the bedplate 1 to move upwards, the square rod 2 moves upwards along the inner wall of the square groove 7, when the round rod is lifted to a proper height, the spring 14 drives the push block 11 to move in a direction close to the screw rod 4 under the action of elastic force, the push block 11 drives the guide rod 19 and the round rod 15 to move in a direction away from the screw rod 4 along the inner walls, the screw 4 is prevented from moving randomly, the bedplate 1 can be lifted, when the bedplate needs to be lowered, the handle 10 is rotated reversely, the screw 4 drives the cylinder 9 to rotate reversely, the lug 13 is separated from the groove 12, the push block 11 moves in the direction far away from the screw 4 and extrudes the spring 14, the spring 14 is in a compression state, meanwhile, the push block 11 drives the guide rod 19 and the round rod 15 to move along the inner walls of the guide groove 20 and the through groove 18, the screw 4 rotates reversely, the inner thread cylinder 3 drives the bedplate 1 to move downwards, the square rod 2 moves downwards along the inner wall of the square groove 7, when the bedplate is lowered at a proper height, the spring 14 drives the push block 11 to move in the direction close to the screw 4 under the action of elasticity, the lug 13 is tightly attached to the screw 4, the screw 4 is prevented from moving randomly, the bedplate 1 can be lowered, the bedplate 1 is driven to move upwards or downwards by rotating the screw 4 driven by rotating the handle 10, the inner thread cylinder 3 drives the platen, the fuel oil detection device is suitable for testers with different heights, the testers can detect fuel oil without lowering heads, and the use is simple and convenient.

To sum up, this high adjustment mechanism for fuel low temperature flow resistance performance test bench is through setting up screw rod 4, lug 13, handle 10 and an internal thread section of thick bamboo 3 to solve prior art, present common test bench when using, the high fixed of test bench can't adapt to different testing personnel's height, uses comparatively inconvenient problem.

It should be noted that, in this document, terms such as "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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 fuel low temperature flow resistance capability height adjusting mechanism for test bench, includes platen (1), its characterized in that: the bottom of the bedplate (1) is fixedly connected with a square rod (2) and an internal thread cylinder (3) respectively, the inner wall of the internal thread cylinder (3) is in threaded connection with the surface of a screw rod (4), the bottom of the screw rod (4) is movably connected with the top of a square plate (5), two sides of the square plate (5) are fixedly connected with supporting columns (6), the top of each supporting column (6) is provided with a square groove (7), the inner wall of each square groove (7) is movably connected with the surface of the square rod (2), the surface of the screw rod (4) is fixedly sleeved with a circular ring (8) and a circular cylinder (9) respectively, the surface of the circular ring (8) is fixedly connected with a handle (10), the surface of the circular cylinder (9) is movably connected with the surface of a push block (11), the surface of the circular cylinder (9) is provided with a groove (12), one side of the surface of the push block (11) close to the screw rod (4) is, the surface of lug (13) and the inner wall swing joint of recess (12), one side difference fixedly connected with spring (14) and round bar (15) of screw rod (4) are kept away from on ejector pad (11) surface, the top of square plate (5) is fixedly connected with guide block (16) and fixed block (17) respectively, logical groove (18) have been seted up to one side that guide block (16) surface is close to screw rod (4), the surface of round bar (15) and the inner wall swing joint who leads to groove (18), the one end that spring (14) are close to guide block (16) is connected with the fixed surface of guide block (16), spring (14) activity cup joints the surface at round bar (15), the one end that screw rod (4) were kept away from in round bar (15) runs through fixed block (17) and extends to the side of fixed block (17).

2. The height adjusting mechanism for the fuel oil low-temperature flow resistance performance test bed according to claim 1, is characterized in that: push away one side fixedly connected with guide bar (19) of screw rod (4) is kept away from on ejector pad (11) surface, guide way (20) have been seted up to one side that guide block (16) surface is close to screw rod (4), the surface of guide bar (19) and the inner wall swing joint of guide way (20), the one end that screw rod (4) were kept away from in guide bar (19) runs through fixed block (17) and extends to the side of fixed block (17).

3. The height adjusting mechanism for the fuel oil low-temperature flow resistance performance test bed according to claim 2, is characterized in that: the inner wall of the guide groove (20) is embedded with a ball (21), and the surface of the ball (21) is movably connected with the surface of the guide rod (19).

4. The height adjusting mechanism for the fuel oil low-temperature flow resistance performance test bed according to claim 1, is characterized in that: the top of the square plate (5) is embedded with a roller bearing (22), and the inner wall of the roller bearing (22) is fixedly connected with the surface of the screw rod (4).

5. The height adjusting mechanism for the fuel oil low-temperature flow resistance performance test bed according to claim 1, is characterized in that: the surface of the convex block (13) is a curved surface, and the shape of the groove (12) is matched with that of the convex block (13).

6. The height adjusting mechanism for the fuel oil low-temperature flow resistance performance test bed according to claim 1, is characterized in that: the opposite surfaces of the guide block (16) and the fixed block (17) are respectively fixedly connected with the two ends of the guide sleeve (23), and the inner wall of the guide sleeve (23) is movably connected with the surface of the round rod (15).