CN213482268U

CN213482268U - Thrombelastogram instrument

Info

Publication number: CN213482268U
Application number: CN202021791526.3U
Authority: CN
Inventors: 蔡泳; 马江; 谢健; 李欣; 罗军
Original assignee: CHONGQING NANFANG NUMERICAL CONTROL EQUIPMENT CO LTD
Current assignee: CHONGQING NANFANG NUMERICAL CONTROL EQUIPMENT CO LTD
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-06-18
Anticipated expiration: 2030-08-25

Abstract

The utility model relates to the technical field of medical equipment thrombus elasticity measurement, in particular to a thrombus elastogram instrument, which comprises a frame, wherein a measuring rod is arranged on the frame, the frame comprises a bottom plate and a top plate, the measuring rod is rotatably arranged on the top plate, the thrombus elastogram instrument further comprises a loading mechanism, and the loading mechanism comprises a first motor, a lifting screw rod and a connecting block; the cup holder is characterized in that the first motor is installed on the bottom plate, a lifting screw rod is connected to an output shaft of the first motor, a connecting block is arranged in the lifting screw rod in a sliding mode, and the cup holder is connected to the connecting block. This application is through first motor of installation, lift lead screw and connecting block in the frame, and is continuous with the glass stand through the connecting block, places the reaction cup like this on the glass stand, and the rotation through first motor makes the connecting block slide on the lift lead screw, need not manual operation, just so can not pollute the reaction cup, can not influence the testing result.

Description

Thrombelastogram instrument

Technical Field

The utility model relates to a medical equipment thrombus elasticity measures technical field, concretely relates to thrombus elastogram appearance.

Background

Before the thromboelastogram instrument is tested, a reaction cup needs to be loaded, the reaction cup comprises an upper cup and a lower cup, the upper cup is fixed above the reaction cup and fixed below the reaction cup, and a certain gap needs to be kept between the upper cup and the lower cup during testing. The existing reaction cup loading process is carried out manually, and the reaction cup is easy to be polluted and possibly causes deviation of test results through manual operation.

Disclosure of Invention

The utility model discloses load the reaction cup to the mode through manual operation at present and probably pollute the reaction cup and lead to the problem that test structure has the deviation, provide a thrombelastogram appearance.

In order to realize the purpose of the utility model, the utility model provides a following technical scheme:

the thrombelastogram instrument comprises a rack, wherein a measuring rod is mounted on the rack, the rack comprises a bottom plate and a top plate, the measuring rod is rotatably mounted on the top plate, and the thrombelastogram instrument further comprises a loading mechanism, wherein the loading mechanism comprises a first motor, a lifting screw rod and a connecting block; the cup holder is characterized in that the first motor is installed on the bottom plate, a lifting screw rod is connected to an output shaft of the first motor, a connecting block is arranged in the lifting screw rod in a sliding mode, and the cup holder is connected to the connecting block.

Preferably, the outside of lift lead screw is equipped with the support, the support is equipped with first sensor and second sensor along the direction that the connecting block goes up and down. The ascending position of the connecting block is detected by a first sensor, and a second sensor is used for limiting the descending position of the connecting block.

Preferably, a vertical plate is arranged between the top plate and the bottom plate, and a first hole is formed in the vertical plate along the movement direction of the cup holder; the connecting block passes through the first hole.

Preferably, the bottom of the steering wheel is provided with a cup unloading mechanism, and the cup unloading mechanism comprises a deflector rod, a positioning cylinder, a limiting spring, an unloading sleeve and a functional ring; the positioning cylinder is sleeved outside the measuring rod, the function ring is connected to the positioning cylinder, and one end of the shifting rod is connected with the function ring; the positioning cylinder is provided with a second hole along the axial direction of the measuring rod, the unloading sleeve is positioned between the measuring rod and the positioning cylinder, and the unloading sleeve is sleeved with a limiting spring; the section of the unloading sleeve is T-shaped; the cup-off ejector pin is arranged in the unloading sleeve, the cup-off ejector pin and the unloading sleeve are provided with ejector springs, the cup-off ejector pin is T-shaped, and a boss is arranged in the unloading sleeve. After the test is finished, the deflector rod is rotated to press the deflector rod downwards in the second strip hole, the deflector rod drives the unloading sleeve to move downwards, the cup removing thimble is driven to move downwards, and the cup removing thimble separates the upper cup of the reaction cup from the measuring rod; after the cup is unloaded, the unloading sleeve moves upwards to reset under the action of the limiting spring. Preferably, a stepped hole is formed in the unloading sleeve, and an ejector pin pressure head is arranged at the upper part of the ejector pin; a pressure spring is sleeved outside the thimble pressure head; the thimble pressure head is T type. The upper part of the cup-off thimble is provided with the thimble pressure head and the pressure spring, which is equivalent to that two cup-off thimbles are arranged in the unloading sleeve, and the two cup-off thimbles are arranged up and down, so that the cup-off thimbles are more moderate and not acute when rebounding, and the rebounding effect of the cup-off thimbles is better.

Preferably, the thrombelastogram instrument further comprises a second motor and a cup pressing bracket, the second motor is mounted on the top plate, and the plate pressing bracket is connected with an output shaft of the second motor; the second motor is a displacement motor, and a first opening is formed in the top plate; the second motor is used for controlling the cup pressing support to move up and down. When the cup is unloaded, the deflector rod is moved to the position of the second strip hole, the cup pressing support is controlled by the second motor to move downwards, and the deflector rod is pressed downwards by the cup pressing support, so that the cup is unloaded, and the automatic cup unloading is realized.

Preferably, the thrombelastogram instrument further comprises a third motor, a synchronous wheel and a steering wheel, wherein the third motor is installed on the top plate, the synchronous wheel is connected with an output shaft of the third motor, and the steering wheel is installed at the bottom of the synchronous wheel; the measuring rod penetrates through the steering wheel and the synchronizing wheel; and a third hole is formed in the steering wheel corresponding to the second hole.

Compared with the prior art, the beneficial effects of the utility model are that: this application is through first motor of installation, lift lead screw and connecting block in the frame, and is continuous with the glass stand through the connecting block, places the reaction cup like this on the glass stand, and the rotation through first motor makes the connecting block slide on the lift lead screw, need not manual operation, just so can not pollute the reaction cup, can not influence the testing result.

Description of the drawings:

FIG. 1 is a schematic structural diagram of a thrombelastogram apparatus provided by the present application;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a first cross-sectional view of the cup unloading mechanism;

FIG. 4 is an enlarged view of A in FIG. 3;

FIG. 5 is a second cross-sectional view of the cup removing mechanism;

FIG. 6 is a schematic view of the mechanism for positioning the cartridge.

The labels in the figure are: 1-top plate, 2-flat pad, 3-soft pad, 5-cup-off thimble, 6-top spring, 7-pressure spring, 8-thimble pressure head, 9-unloading sleeve, 10-positioning cylinder, 11-limit spring, 12-driving rod, 13-rotating pin, 14-function ring, 15-ratchet wheel pair, 16-steering wheel, 17-synchronous pulley, 18-ratchet wheel, 19-measuring rod, 20-frame, 21-bottom plate, 22-vertical plate, 24-first motor, 25-lifting screw rod, 26-connecting block, 27-cup holder, 28-support, 29-first sensor, 30-second sensor, 31-first hole, 32-second hole, 33-second motor, 34-cup-pressing support, 35-third hole, 36-second opening, 37-first opening, 38-fourth hole.

Detailed Description

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

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 6, the present application provides a thrombelastogram apparatus, which includes a frame 20, wherein a measuring rod 19 is mounted on the frame 20, and the frame 20 includes a bottom plate 21, a top plate 1 and a vertical plate 22.

A loading mechanism is arranged in the frame 20, and comprises a first motor 24, a lifting screw rod 25 and a connecting block 26; the first motor 24 is installed on the bottom plate 21, an output shaft of the first motor 24 is connected with a lifting screw rod 25, a connecting block 26 is arranged in the lifting screw rod 25 in a sliding mode, and a cup holder 27 is connected onto the connecting block 26. The vertical plate 22 is located between the top plate 1 and the bottom plate 21, a first hole 31 is formed in the vertical plate 22 along the vertical sliding direction of the lifting screw rod 25, so that one end of the connecting block 26 is installed on the lifting screw rod 25, and the other end of the connecting block 26 penetrates through the first hole 31 and then is connected with the cup holder 27.

A bracket 28 is further arranged in the frame 20 along the direction of the lifting screw rod 25, a first sensor 29 and a second sensor 30 are mounted on the bracket 28 at intervals, and the first sensor 29 and the second sensor 30 are used for respectively controlling the upper limit and the lower limit of the connecting block 26.

When the tray cup is loaded, the tray cup is placed on the cup holder 27, the first motor 24 is started, the first motor 24 is a linear stepping motor, the lifting screw rod 25 rotates to drive the connecting block 26 to move upwards, and when the first sensor 29 detects a signal, the first motor 24 stops rotating.

A synchronizing wheel 17 is installed on the top plate 1, the synchronizing wheel 17 is connected with a third motor through a synchronizing belt, a steering wheel 16 is installed at the bottom of the synchronizing wheel 17, and a measuring rod 19 penetrates through the steering wheel 16 to be connected with a detection mechanism in a rotating mode.

The thrombelastogram instrument further comprises a cup unloading mechanism, wherein the cup unloading mechanism comprises a shift lever 12, a positioning cylinder 10, a limiting spring 11, an unloading sleeve 9, a functional ring 14, a second motor 33 and a cup pressing support 34.

Install second motor 33 and pressure cup support 34 on roof 1, second motor 33 is displacement motor, has seted up first trompil 37 on roof 1, is connected with pressure cup support 34 on the output shaft of second motor 33, and pressure cup support 34 can pass first trompil 37 and move from top to bottom under the drive of second motor 33.

The positioning cylinder 10 is arranged between the measuring rod 19 and the steering wheel 16, the function ring is arranged on the positioning cylinder 10, the shifting rod 12 is arranged at one end of the function ring 14, the rotating pin 13 is arranged at the other end of the function ring 14, and the shifting rod 12 and the rotating pin 13 are arranged diagonally. The positioning cylinder 10 is provided with a second hole 32 along the axial direction of the measuring rod 19, and the top end of the second hole 32 is provided with a second opening 36 along the circumferential direction of the positioning cylinder 10. The steering wheel 16 is provided with a third hole 35 along the axial direction of the measuring rod 19, the second hole 32 and the third hole 35 are arranged oppositely, and one end of the shift lever 12 penetrates through the second hole 32 and the third hole 35.

An unloading sleeve 9 is arranged in the positioning barrel 10, a stepped hole is formed in the unloading sleeve 9, a limiting spring 11 is arranged between the unloading sleeve 9 and the positioning barrel 10, and the cross section of the unloading sleeve 9 is T-shaped, so that the limiting spring 11 is fixed by the top end of the unloading sleeve 9 and the bottom end of the positioning barrel 10 and cannot be popped out. In order to facilitate the pressing of the driver 12 against the unloading sleeve 9, the top surface of the unloading sleeve 9 is inclined. The inner wall of the unloading sleeve 9 is provided with a stepped hole, a cup-removing thimble 5 is arranged in the stepped hole, a thimble pressing head 8 is arranged at the upper part of the cup-removing thimble 5, the cross sections of the thimble pressing head 8 and the cup-removing thimble 5 are both T-shaped, a pressure spring 7 is sleeved outside the thimble pressing head 8, and a top spring 6 is sleeved outside the cup-removing thimble 5.

A ratchet pair 15 is further arranged between the unloading sleeve 9 and the positioning cylinder 10, a fourth hole 38 is formed in the position, opposite to the third hole 35 and the second hole 36, of the ratchet pair 15, a ratchet 18 is installed at the top of the positioning cylinder 10, a groove is formed in the upper end of the ratchet 18, a cushion 3 is installed in the groove, and a flat cushion 2 is arranged at the upper end of the cushion 3.

The working process is as follows: when the cup holder is loaded, the cup holder is placed on the cup holder 27, the first motor 24 is started, the first motor 24 is a linear stepping motor, the lifting screw rod rotates to drive the sliding block to move upwards, and when the first sensor 29 detects a signal, the first motor 24 stops rotating. When the cup holder is loaded in place, the measuring rod 19 is located in the upper cup, the shifting rod 12 is located in the opening, the cup unloading mechanism is locked, the measuring rod 19 starts to detect, after the detection is finished, the third motor drives the synchronizing wheel 17 to rotate, the synchronizing wheel 17 drives the steering wheel 16 to rotate, the shifting rod 12 is located at the top end of the second strip hole 32 after rotating, the second motor 33 drives the cup pressing support 34 to move downwards, the cup pressing support 34 presses the shifting rod 12 downwards, the shifting rod 12 moves to the bottom end of the second strip hole 32, the shifting rod 12 drives the unloading sleeve 9 to move downwards when moving downwards, the unloading sleeve 9 moves downwards to drive the thimble pressing head 8 and the unloading thimble to move downwards together, the thimble pressing head 8 penetrates through the positioning cylinder 10, and the upper cup is separated from the measuring rod 19.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The thrombelastogram instrument comprises a rack (20), wherein a measuring rod (19) is mounted on the rack (20), and is characterized in that the rack (20) comprises a bottom plate (21) and a top plate (1), the measuring rod (19) is rotatably mounted on the top plate (1), and the thrombelastogram instrument further comprises a loading mechanism which comprises a first motor (24), a lifting screw rod (25) and a connecting block (26); first motor (24) install in on bottom plate (21), be connected with lift lead screw (25) on the output shaft of first motor (24), it is equipped with connecting block (26) to slide in lift lead screw (25), be connected with glass stand (27) on connecting block (26).

2. The apparatus according to claim 1, characterized in that a support (28) is provided on the outside of the lifting screw (25), and the support (28) is provided with a first sensor (29) and a second sensor (30) in the direction of lifting of the connecting block (26).

3. The apparatus according to claim 1, wherein a vertical plate (22) is arranged between the top plate (1) and the bottom plate (21), and a first hole (31) is arranged on the vertical plate (22) along the moving direction of the cup holder (27); the connecting block (26) passes through the first hole (31).

4. The apparatus according to claim 1, wherein the apparatus is provided with a cup unloading mechanism, the cup unloading mechanism comprises a deflector rod (12), a positioning cylinder (10), a limiting spring (11), an unloading sleeve (9) and a functional ring (14); the positioning cylinder (10) is sleeved outside the measuring rod (19), the functional ring (14) is connected to the positioning cylinder (10), and one end of the shift lever (12) is connected with the functional ring (14); the positioning cylinder (10) is provided with a second hole (32) along the axial direction of the measuring rod (19), the unloading sleeve (9) is positioned between the measuring rod (19) and the positioning cylinder (10), and a limiting spring (11) is sleeved outside the unloading sleeve (9); the section of the unloading sleeve (9) is T-shaped; the unloading sleeve (9) is internally provided with a cup-off thimble, the cup-off thimble and the unloading sleeve (9) are provided with a top spring (6), and the cup-off thimble is T-shaped.

5. The apparatus according to claim 4, characterized in that the unloading sleeve (9) is provided with a stepped hole, and the upper part of the ejector pin is provided with an ejector pin pressing head (8); a pressure spring (7) is sleeved outside the thimble pressure head (8); the thimble pressure head (8) is T-shaped.

6. The apparatus according to claim 4, wherein the cup-unloading mechanism further comprises a second motor (33) and a cup-pressing bracket (34), the second motor (33) is mounted on the top plate (1), and the cup-pressing bracket (34) is connected with an output shaft of the second motor (33); the second motor (33) is a displacement motor, and a first opening (37) is formed in the top plate (1); the second motor (33) is used for controlling the cup pressing support (34) to move up and down.

7. The thromboelastography device according to claim 6, characterized in that it further comprises a synchronizing wheel (17) and a steering wheel (16), the steering wheel (16) being mounted at the bottom of the synchronizing wheel (17); the measuring rod (19) passes through the steering wheel (16) and the synchronizing wheel (17); and a third hole (35) is formed in the steering wheel (16) opposite to the second hole (32).