Plug pin type accurate displacement assembly for blood coagulation analyzer

Abstract

The utility model discloses a plug pin type accurate displacement assembly for a blood coagulation analyzer. The plug pin type accurate displacement assembly comprises a first driving mechanism and a push rod, the first driving mechanism comprises a motor, a driving wheel, a mounting frame, a fixing plate, a pair of end plates, a pair of sliding rods, a sliding block, a connecting plate and a synchronous belt; the sliding block is slidably connected to the pair of sliding rods, and the side face of the sliding block is connected with the connecting plate which is connected with the push rod. A driving wheel is connected to an output shaft of the motor, a driven wheel is arranged on the fixing plate, and the driving wheel and the driven wheel are rotationally connected through a synchronous belt. And one point of the synchronous belt is fixedly connected with the sliding block. The motor is started, the sliding block fixedly connected with one point of the synchronous belt is driven through rotation of the driving wheel, the synchronous belt and the driven wheel, and the sliding block moves on the pair of sliding rods. The connecting plate and the push rod are fixedly connected with the sliding block. A lead screw transmission structure is not adopted, a synchronous belt transmission structure is adopted, and the operation speed is higher. And the efficiency is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bolt type accurate displacement assembly for coagulation analyzer belongs to medical instrument field. BACKGROUND

[0002] Coagulation analyzer is a kind of medical scientific research instrument for pharmacy, biology field.It is used for diagnosing and predicting atherosclerosis, cardiovascular and cerebrovascular diseases, diabetes, arteriovenous thrombosis and other diseases.Meanwhile, patients needing operation must be detected by full-automatic coagulation analyzer to avoid massive hemorrhage in operation process.A number of samples are placed in the slot of tray.The tray is placed in coagulation analyzer for detection.However, the existing coagulation analyzer has the deficiencies, which moves the tray by screw rod, and the structure is complex.The moving speed is slow.Therefore, how to quickly move the tray is the technical problem that the person skilled in the art needs to solve urgently. SUMMARY

[0003] To overcome the above-mentioned shortcomings, the utility model aims at providing a bolt type accurate displacement assembly for coagulation analyzer.

[0004] In order to achieve the above purpose, the utility model adopts the technical scheme of a bolt type accurate displacement assembly for coagulation analyzer, which comprises a first driving mechanism and a push rod.The first driving mechanism comprises a motor, a driving wheel, a mounting frame, a fixed plate, a pair of end plates, a pair of slide rods, a sliding block, a connecting plate and a synchronous belt.A pair of end plates are respectively connected perpendicularly to the two ends of the fixed plate, and a pair of slide rods are connected between the end plates.The sliding block is slidingly connected to the pair of slide rods, and the side surface of the sliding block is connected to the connecting plate, which is connected perpendicularly to one end of the push rod.The motor is connected to the end plate through the mounting frame, and the output shaft of the motor is connected to the driving wheel.A driven wheel is arranged on the fixed plate, and the driving wheel and the driven wheel are rotationally connected by the synchronous belt.One point of the synchronous belt is fixedly connected to the sliding block.

[0005] The utility model further provides that the push rod is used for pushing the tray, and a plurality of pin holes are arranged on the tray.The push rod is provided with a plurality of bolts, and the bolt is inserted into the pin hole.

[0006] The utility model further provides that a zero position optocoupler is arranged on the push rod, and the zero position optocoupler is used for positioning and judging whether the tray is in the initial position.

[0007] The utility model further provides that the other end of the push rod is connected to a second driving mechanism, and the second driving mechanism is the same in structure as the first driving mechanism and is symmetrically arranged.

[0008] The utility model further provides that the motor is a stepping motor.

[0009] The utility model further sets up: a plurality of bolt is 2, symmetry sets up left half section and right half section of push rod.

[0010] Compared with the prior art, the utility model has the advantages that: starting motor, through the rotation of driving wheel, synchronous belt and driven wheel, the sliding block fixedly connected with the synchronous belt is driven, the sliding block moves on a pair of slide rods. Thus, the connecting plate and the push rod fixedly connected with the sliding block are driven to move linearly. It does not adopt screw rod transmission structure, but adopts synchronous belt transmission structure, and running speed is faster. Efficiency is higher. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 The structure diagram of the plug-in type precise displacement assembly for the coagulation analyzer shown in a preferred embodiment of the utility model;

[0012] Figure 2 The structure diagram of another state of the plug-in type precise displacement assembly for the coagulation analyzer;

[0013] Figure 3 The structure diagram of the push rod and the tray. Figure 1

[0014] In the figure: 1, motor; 2, fixed plate; 3, slide rod; 4, synchronous belt; 5, driving wheel; 6, sliding block; 7, push rod; 8, connecting plate; 9, upper cup system; 10, bolt; 11, mounting frame; 12, first driving mechanism; 13, pin hole; 14, tray; 15, second driving mechanism; 16, end plate. DETAILED DESCRIPTION

[0015] The preferred embodiments of the utility model are described in detail below in combination with the drawings, so that the advantages and features of the utility model can be more easily understood by those skilled in the art, and the protection scope of the utility model can be more clearly and explicitly defined.

[0016] Referring to the drawings, Figures 1-3 The plug-in type precise displacement assembly for the coagulation analyzer in the embodiment includes a first driving mechanism 12 and a push rod 7; the first driving mechanism 12 includes a motor 1, a driving wheel 5, a mounting frame 11, a fixed plate 2, a pair of end plates 16, a pair of slide rods 3, a sliding block 6, a connecting plate 8 and a synchronous belt 4; the pair of end plates 16 are vertically connected at both ends of the fixed plate 2 respectively, a pair of slide rods 3 are connected between the end plates 16, the sliding block 6 is slidingly connected on the pair of slide rods 3, the side surface of the sliding block 6 is connected with the connecting plate 8, and one end of the connecting plate 8 is vertically connected with the push rod 7; the motor 1 is connected on the end plate 16 through the mounting frame 11, the driving wheel 5 is connected on the output shaft of the motor 1, a driven wheel (not shown in the figure) is arranged on the fixed plate 2, and the driving wheel 5 and the driven wheel are rotationally connected through the synchronous belt 4; one point of the synchronous belt 4 is fixedly connected with the sliding block 6.​

[0017] Start motor 1, through the rotation of driving wheel 5, synchronous belt 4 and driven wheel, drive the slider 6 fixedly connected with a point of synchronous belt 4, slider 6 moves on a pair of slide rods 3. Thus drive the linear motion of the connecting plate 8 and the push rod 7 fixedly connected with the slider 6. It does not adopt the screw rod transmission structure, but adopts the structure of synchronous belt 4 transmission, the running speed is faster. Higher efficiency.

[0018] In order to improve the moving efficiency, the utility model further provides: the push rod 7 is used for pushing the tray 14, a plurality of pin holes 13 are arranged on the tray 14, a plurality of bolts 10 are arranged on the push rod 7, and the bolt 10 is inserted into the pin hole 13.

[0019] In use, the tray 14 is lifted by the upper cup system 9 from below until the bolt 10 is inserted into the pin hole 13. Before the upper cup system 9 transports the tray 14 to be measured to the zero position, the push rod 7 and the bolt 10 will have reached the zero position and wait, when the upper cup system 9 reaches the zero position, the bolt 10 will enter the pin hole 13 of the tray 14, and the positioning is more accurate.

[0020] In order to accurately position the pin hole 13 and the bolt 10, the utility model further provides: a zero position photocoupler (not shown) is arranged on the push rod 7, and the zero position photocoupler is used for positioning and judging whether the tray 14 is at the initial position.

[0021] In order to more accurately determine the position of the tray 14, the utility model further provides: a second driving mechanism 15 is connected to the other end of the push rod 7, and the second driving mechanism 15 is the same as the first driving mechanism 12 and is symmetrically arranged. Preferably, the motor 1 is a stepping motor. The running distance of the push rod 7 is accurate and reliable.

[0022] The plurality of bolts 10 are two, and are symmetrically arranged on the left half and the right half of the push rod 7.

[0023] The above embodiments are only for illustrating the technical concept and characteristics of the utility model, and the purpose is to enable those skilled in the art to understand the content of the utility model and implement it, and it cannot limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit and essence of the utility model should be covered in the protection scope of the utility model.

Claims

1. A pin-type precision displacement assembly for a coagulation analyzer, comprising a first drive mechanism (12) and a push rod (7); characterized in that, The first drive mechanism (12) includes a motor (1), a drive wheel (5), a mounting bracket (11), a fixed plate (2), a pair of end plates (16), a pair of slide rods (3), a slider (6), a connecting plate (8), and a timing belt (4); the pair of end plates (16) are respectively vertically connected to the two ends of the fixed plate (2), and a pair of parallel slide rods (3) are connected between the end plates (16). The slider (6) is slidably connected to the pair of slide rods (3), and the side of the slider (6) is connected to the connecting plate (8). The connecting plate (8) is vertically connected to one end of the push rod (7); the motor (1) is connected to the end plate (16) through the mounting bracket (11), and the drive wheel (5) is connected to the output shaft of the motor (1). A driven wheel is provided on the fixed plate (2), and the drive wheel (5) and the driven wheel are rotatably connected through the timing belt (4); one point of the timing belt (4) is fixedly connected to the slider (6).

2. The pin-type precision displacement assembly for a coagulation analyzer according to claim 1, characterized in that, The push rod (7) is used to push the tray (14), which has a plurality of pin holes (13); the push rod (7) has a plurality of pins (10), which are inserted into the pin holes (13).

3. The pin-type precision displacement assembly for a coagulation analyzer according to claim 2, characterized in that, The push rod (7) is equipped with a zero-position optocoupler, which is used to determine whether the tray (14) is in the initial position.

4. The pin-type precision displacement assembly for a coagulation analyzer according to claim 3, characterized in that, The other end of the push rod (7) is connected to a second drive mechanism (15), which has the same structure as the first drive mechanism (12) and is symmetrically arranged.

5. The pin-type precision displacement assembly for a coagulation analyzer according to claim 4, characterized in that, The motor (1) is a stepper motor (1).

6. The pin-type precision displacement assembly for a coagulation analyzer according to claim 4, characterized in that, The plurality of pins (10) are two in number, symmetrically arranged on the left and right halves of the push rod (7).

Images