CN219426115U

CN219426115U - Knob device

Info

Publication number: CN219426115U
Application number: CN202223215150.3U
Authority: CN
Inventors: 孔智智
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-07-28
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to the technical field of medical supplies production equipment, in particular to a knob device, which comprises: the first fixing frame is movably provided with a second fixing frame; the lifting mechanism is arranged on the first fixing frame, and the output end of the lifting mechanism is connected with the second fixing frame; the knob mechanism is arranged on the second fixing frame, and the lower end of the knob mechanism downwards extends out of the second fixing frame; the lifting mechanism pushes the knob mechanism to move up and down in the first fixing frame; wherein the knob mechanism has at least: the crimping assembly is movably arranged on the second fixing frame, and the lower end of the crimping assembly is provided with a clamping position for clamping the hose seat; the rotating assembly is arranged on the second fixing frame and connected with the crimping assembly and used for driving the crimping assembly to rotate. The utility model has the advantages of reducing labor cost, improving assembly efficiency, avoiding pollution to products and the like.

Description

Knob device

Technical Field

The utility model relates to the technical field of medical product production equipment, in particular to a knob device.

Background

The blood sample is collected for clinical detection in clinical laboratory, and the detection index can provide reliable basis for clinical disease diagnosis, treatment, prevention and prognosis judgment. Clinically, the collection of blood samples is divided into the collection of arterial blood samples and the collection of venous blood samples, and the collection of venous blood samples usually adopts a vacuum blood sampling method. For example, chinese patent 2018203962581 discloses a disposable anti-needling intravenous blood taking needle, which mainly comprises a blood taking needle seat, a blood taking needle tube, a needle sheath, a hose seat, a bottle stopper puncture needle and the like.

In the existing anti-puncture blood taking needle, the hose seat and the protective cover are connected in a threaded mode, and the hose seat and the protective cover are assembled in a manual mode, so that the manual assembly is low in efficiency and high in cost, and hand puncture is easy to occur during assembly after fatigue is generated due to long-time manual work, so that the safety blood taking needle is harmful and unhygienic.

Disclosure of Invention

The utility model aims to provide a knob device which has high assembly efficiency and low cost and can ensure the sanitation of products.

The purpose of the utility model is realized in the following way:

a knob assembly for assembling an anti-lancing lancet, comprising:

the first fixing frame is movably provided with a second fixing frame;

the lifting mechanism is arranged on the first fixing frame, and the output end of the lifting mechanism is connected with the second fixing frame;

the knob mechanism is arranged on the second fixing frame, and the lower end of the knob mechanism downwards extends out of the second fixing frame;

the lifting mechanism pushes the knob mechanism to move up and down in the first fixing frame;

wherein the knob mechanism has at least:

the crimping assembly is movably arranged on the second fixing frame, and the lower end of the crimping assembly is provided with a clamping position for clamping the hose seat;

the rotating assembly is arranged on the second fixing frame and connected with the crimping assembly and used for driving the crimping assembly to rotate.

Preferably, the crimp assembly has at least:

the connecting shaft is rotatably arranged on the second fixing frame;

the connecting sleeve is sleeved on the connecting shaft and can move along the axis direction of the connecting shaft by a set distance, and the clamping position is arranged at the lower end of the connecting sleeve;

the elastic piece is sleeved on the connecting shaft, and the end parts of the elastic piece are respectively abutted against the connecting sleeve and the connecting shaft, so that the connecting sleeve has a downward movement trend.

Preferably, the side wall of the connecting sleeve is provided with a telescopic hole;

a clamping pin is movably arranged on the connecting shaft;

when the lower end of the connecting shaft is inserted into the connecting sleeve, two ends of the clamping pin are arranged in the telescopic hole and move in the telescopic hole along with the connecting sleeve.

Preferably, a connecting seat is installed at the lower end of the connecting sleeve, a clamping column is convexly arranged at the lower end of the connecting seat, and the lower end face of the clamping column is upwards recessed to form the clamping position.

Preferably, the rotating assembly has at least:

the driving piece III is arranged on the fixing frame II;

the driving wheel is arranged at the output end of the third driving piece;

the driven wheel is arranged at the upper end of the connecting shaft of the crimping assembly and meshed with the driving wheel;

and the driving piece III drives the clamping position of the crimping assembly to rotate.

Preferably, the lifting mechanism comprises:

the first driving piece is arranged at the upper end of the first fixing frame;

and the second driving piece is arranged on the second fixing piece, and the output shaft is connected with the output shaft of the first driving piece.

Preferably, a convex ring is formed on the outer wall of the connecting shaft;

a bearing is arranged on the second fixing frame;

the upper end of the connecting shaft penetrates through the bearing, and the convex ring is abutted against the lower end face of the inner ring of the bearing.

Preferably, both ends of the fixing frame are provided with guide rods;

guide sleeves are arranged on two sides of the first fixing frame;

the upper ends of the guide rods are respectively inserted into the corresponding guide sleeves.

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

the utility model adopts the design that the lifting mechanism is used for driving the knob mechanism to press the hose seat, and then the mechanical assembly of the hose seat is realized by the cooperation between the crimping component and the rotating component, so that the manual labor is replaced, the labor cost is reduced, the assembly efficiency is improved, and the pollution problem is avoided.

Drawings

Fig. 1 is a schematic view of the pre-installed structure of the shield and hose base of the present utility model.

Fig. 2 is a schematic structural view of a knob device according to the present utility model.

Fig. 3 is a schematic structural view of a knob mechanism according to the present utility model.

Fig. 4 is a cross-sectional view of a crimp assembly of the present utility model.

Fig. 5 is a schematic diagram of the overall structure of the clamping position and the hose seat of the present utility model when clamped.

FIG. 6 is a schematic view showing the whole structure of the hose base and the protective cover of the present utility model when assembled.

Reference numerals: 1. a protective cover; 2. a hose base; 3. a first fixing frame; 4. a seating area; 5. a fixing seat; 6. a second fixing frame; 7. a lifting mechanism; 8. a knob mechanism; 9. a crimping assembly; 10. a clamping position; 11. a rotating assembly; 12. a connecting shaft; 13. a connecting sleeve; 14. an elastic member; 15. a telescopic hole; 16. a clamping pin; 17. a connecting seat; 18. a clamping column; 20. a third driving member; 21. a driving wheel; 22. driven wheel; 23. a first driving member; 24. a second driving piece; 25. a convex ring; 26. a bearing; 27. a guide rod; 28. a guide sleeve.

Detailed Description

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

As shown in fig. 1, in the conventional puncture-proof lancet, a threaded connection is adopted as a connection mode between a hose seat and a shield.

As shown in fig. 2 to 6, a knob device for assembling an anti-penetration lancet, which is a part of an overall system, mainly comprises: a first fixing frame 3, a lifting mechanism 7 and a knob mechanism 8; the knob mechanism 8 comprises a crimping assembly 9 and a rotating assembly 11;

the first fixing frame 3 is arranged on the workbench surface, and the second fixing frame 6 is movably arranged through a guide rail sliding block structure; the second fixing frame 6 can move in the vertical direction through a guide rail sliding block structure;

meanwhile, a seat entering area 4 is arranged in the area, close to the working table surface, of the first fixing frame 3 and used for allowing the fixing seat 5 to enter, and the fixing seat 5 is mainly used for receiving the protection cover 1 and the hose seat 2.

The last station preinstalls the hose base 2 on the protective cover 1, then enters into the inlet area 4 of the device, and starts the work of the station.

The lifting mechanism 7 is arranged on the first fixing frame 3, and the output end of the lifting mechanism is connected with the second fixing frame 6;

the knob mechanism 8 is arranged on the second fixing frame 6, and the lower end of the knob mechanism downwards extends out of the second fixing frame 6;

the lifting mechanism 7 pushes the knob mechanism 8 to move up and down in the first fixing frame 3;

wherein the knob mechanism 8 has at least:

the compression joint assembly 9 is movably arranged on the second fixing frame 6, and the lower end of the compression joint assembly is provided with a clamping position 10 for clamping the hose seat 2;

and the rotating assembly 11 is arranged on the second fixing frame 6 and is connected with the crimping assembly 9, and is used for driving the crimping assembly 9 to rotate.

The basic action of the work is as follows: the lifting mechanism 7 drives the first fixing frame 3 to move downwards, so that the clamping position 10 at the lower end of the crimping component 9 is clamped with the hose seat 2, namely the hose seat 2 is inserted into the clamping position 10 to realize radial limiting, and meanwhile, the crimping component 9 can exert a downward pressure on the hose seat 2; then the rotating component 11 works to drive the crimping component 9, and the clamping position 10 is positioned between the hose seats 2 to radially limit, and then the hose seats 2 are driven to be screwed into the protective cover 1 by matching with the downward pressure, so that threaded connection is realized.

For further design of the screw assembly action, the rotating assembly 11 has: a third driving member 20, a driving wheel 21 and a driven wheel 22; the crimp assembly 9 has: a connecting shaft 12, a connecting sleeve 13 and an elastic member 14;

the third driving piece 20 is arranged on the second fixing frame 6;

the driving wheel 21 is arranged on the output end of the third driving piece 20;

the connecting shaft 12 is arranged on the second fixing frame 6 through a bearing 26, the upper end of the connecting shaft protrudes out of the second fixing frame 6, and the driven wheel 22 is arranged at the upper end of the protruding connecting shaft 12 and meshed with the driving wheel 21;

the side wall of the connecting sleeve 13 is provided with a strip-shaped telescopic hole 15;

when the lower end of the connecting shaft 12 is inserted into the connecting sleeve 13, the end part of the clamping pin 16 is utilized to sequentially pass through the telescopic hole 15 and the connecting shaft 12, and the two ends of the clamping pin 16 are respectively arranged in the telescopic hole 15;

the connecting sleeve 13 is movable in the axial direction of the connecting shaft 12 by a set distance, i.e., a distance by which the detent pin 16 moves in the telescopic hole 15.

The elastic member 14 is sleeved on the connecting shaft 12, and the end parts of the elastic member are respectively abutted against the connecting sleeve 13 and the connecting shaft 12, so that the connecting sleeve 13 can move on the connecting shaft 12 against the elastic force of the elastic member 14, and the moving range is the moving distance of the end part of the clamping pin 16 in the telescopic hole 15.

The lower end of the connecting sleeve 13 is provided with a clamping position 10 for clamping the hose seat 2;

after the first fixing frame 3 moves downwards, the lower end of the connecting sleeve 13 abuts against the hose seat 2, the hose seat 2 is clamped in the clamping position 10, the elastic piece 14 is compressed at the moment, the clamping pin 16 is positioned at the lower end part of the telescopic hole 15, the elastic piece 14 gives downward force to the connecting sleeve 13, the connecting sleeve 13 presses down the hose seat 2, then the driving piece three 20 drives the connecting shaft 12 to rotate, the connecting sleeve 13 follows the connecting shaft 12 to rotate due to the restraint of the clamping pin 16 and the telescopic hole 15, the pressed hose seat 2 is driven to rotate due to friction force, the hose seat 2 is screwed into the protective cover 1, the threaded connection between the hose seat 2 and the protective cover 1 is completed, and the subsequent assembly repeats the actions.

The utility model adopts the design that the lifting mechanism 7 is used for driving the knob mechanism 8 to press the hose seat 2, and then the mechanical assembly of the hose seat 2 is realized by the cooperation between the crimping assembly 9 and the rotating assembly 11, so that the manual labor is replaced, the labor cost is reduced, the assembly efficiency is improved, and the pollution problem is avoided.

The elastic member 14 is designed to provide a pressing force to generate friction force, so as to drive the hose seat 2 to rotate, and meanwhile, the hose seat 2 and the protective cover 1 are not crushed.

Preferably, a connecting seat 17 is mounted at the lower end of the connecting sleeve 13, a clamping post 18 is convexly arranged at the lower end of the connecting seat 17, and the lower end surface of the clamping post 18 is upwards recessed to form the clamping position 10.

The additional setting of the connecting seat 17 can change the size of the clamping position 10 by replacing the connecting seat 17, thereby realizing the assembly of hose seats 2 with different specifications and improving the overall applicability of the equipment.

Preferably, the lifting mechanism 7 comprises:

a first driving member 23 mounted on the upper end of the first fixing frame 3;

and a second driving member 24 mounted on the second fixing member, and the output shaft is connected with the output shaft of the first driving member 23.

The two driving parts are arranged, so that the pressing action is divided into two steps, the first step is to realize that the clamping seat is quickly close to the hose seat 2, and the second step is to realize pressing.

The design can reduce the force of equipment impact pushing, ensure that the hose seat 2 can not be sprung, ensure the smooth progress of assembly, and simultaneously can also protect the hose seat 2 and the protective cover 1.

Preferably, a convex ring 25 is formed on the outer wall of the connecting shaft 12;

the upper end of the connecting shaft 12 passes through the bearing 26, the convex ring 25 is abutted against the lower end surface of the inner ring of the bearing 26, and the upper end surface is clamped by using a clamp spring, so that the connecting shaft 12 is fixed on the second fixing frame 6 in a rotating way.

Preferably, two ends of the second fixing frame 6 are provided with guide rods 27;

guide sleeves 28 are arranged on two sides of the first fixing frame 3;

the upper ends of the guide rods 27 are respectively inserted into the corresponding guide sleeves 28.

The guide rod 27 and the guide sleeve 28 ensure the accuracy of the moving position of the second fixing frame 6, avoid the shaking condition and ensure that the hose seat 2 can be accurately inserted into the clamping position 10.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A knob device for assembling an anti-lancing lancet, comprising:

the first fixing frame (3) is movably provided with a second fixing frame (6);

the lifting mechanism (7) is arranged on the first fixing frame (3), and the output end of the lifting mechanism is connected with the second fixing frame (6);

the knob mechanism (8) is arranged on the second fixing frame (6), and the lower end of the knob mechanism downwards extends out of the second fixing frame (6);

the lifting mechanism (7) pushes the knob mechanism (8) to move up and down in the first fixing frame (3);

wherein the knob mechanism (8) has at least:

the crimping assembly (9) is movably arranged on the second fixing frame (6), and the lower end of the crimping assembly is provided with a clamping position (10) for clamping the hose seat (2);

and the rotating assembly (11) is arranged on the second fixing frame (6) and is connected with the crimping assembly (9) for driving the crimping assembly (9) to rotate.

2. The knob device according to claim 1, wherein:

the crimp assembly (9) has at least:

the connecting shaft (12) is rotatably arranged on the second fixing frame (6);

the connecting sleeve (13) is sleeved on the connecting shaft (12) and can move a set distance along the axis direction of the connecting shaft (12), and the clamping position (10) is arranged at the lower end of the connecting sleeve (13);

and the elastic piece (14) is sleeved on the connecting shaft (12), and the end parts of the elastic piece are respectively abutted against the connecting sleeve (13) and the connecting shaft (12), so that the connecting sleeve (13) has a downward movement trend.

3. The knob device according to claim 2, wherein:

the side wall of the connecting sleeve (13) is provided with a telescopic hole (15);

a clamping pin (16) is movably arranged on the connecting shaft (12);

after the lower end of the connecting shaft (12) is inserted into the connecting sleeve (13), two ends of the clamping pin (16) are arranged in the telescopic hole (15) and move in the telescopic hole (15) along with the connecting sleeve (13).

4. A knob device according to claim 2 or 3, wherein:

the connecting sleeve (13) lower extreme is installed connecting seat (17), and this connecting seat (17) lower extreme protrusion is provided with joint post (18), the lower terminal surface of joint post (18) upwards caves in and forms joint position (10).

5. A knob assembly according to any one of claims 1-3, wherein:

the rotating assembly (11) has at least:

a third driving part (20) which is arranged on the second fixing frame (6);

a driving wheel (21) which is arranged on the output end of the driving piece III (20);

a driven wheel (22) which is installed at the upper end of the connecting shaft (12) of the compression joint assembly (9) and is meshed with the driving wheel (21);

and the driving piece III (20) drives the clamping position (10) of the crimping assembly (9) to rotate.

6. A knob device according to claim 1 or 2 or 3, wherein:

the lifting mechanism (7) comprises:

a first driving part (23) which is arranged at the upper end of the first fixing frame (3);

and the driving part II (24) is arranged on the fixing part II, and the output shaft is connected with the output shaft of the driving part I (23).

7. The knob device according to claim 2, wherein:

a convex ring (25) is formed on the outer wall of the connecting shaft (12);

a bearing (26) is arranged on the second fixing frame (6);

the upper end of the connecting shaft (12) passes through the bearing (26), and the convex ring (25) is abutted against the lower end face of the inner ring of the bearing (26).

8. The knob assembly according to claim 7, wherein:

guide rods (27) are arranged at two ends of the second fixing frame (6);

guide sleeves (28) are arranged on two sides of the first fixing frame (3);

the upper ends of the guide rods (27) are respectively inserted into the corresponding guide sleeves (28).