CN210952720U

CN210952720U - Syringe cavity diameter detection device

Info

Publication number: CN210952720U
Application number: CN201922083101.0U
Authority: CN
Inventors: 戴上勇
Original assignee: Shenzhen Kunpeng Precision Machinery Co ltd
Current assignee: Shenzhen Kunpeng Precision Machinery Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-07-07
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a syringe cavity diameter detection device, which comprises a water storage tank, wherein a movement amount detection device is arranged in the water storage tank, one side of the water storage tank is connected with a fixed rod, a first telescopic device is connected in the fixed rod, the output end of the first telescopic device is connected with a bearing rod, the bearing rod is connected with the fixed rod in a sliding way, and the bearing rod is connected with a suction device, the syringe cavity diameter detection device is connected with a syringe cavity by arranging the suction device at the top of the syringe cavity, after quantitative suction, negative pressure is formed in the syringe cavity, liquid level in the syringe rises, the rising of the liquid level can drive a suspension ball to rise, so that a shielding plate rises synchronously, the movement amount of the shielding plate can be detected through a correlation grating, thereby the rising amount of the liquid level is obtained, because the suction device moves quantitatively, the diameter of the syringe cavity can be obtained, the, therefore, the efficiency is high and the error is small.

Description

Syringe cavity diameter detection device

Technical Field

The utility model relates to a check out test set technical field specifically is a syringe cavity diameter detection device.

Background

The cavity diameter detection is carried out to the syringe when production and whether cavity diameter accords with the standard is confirmed, the cavity diameter of syringe too big can cause with the sealed not tight production of injection plunger leak, and the cavity diameter undersize of syringe then can increase the frictional force between injection plunger and the cavity lateral wall, makes the use difficult, can make the injection plunger can't fill in even, therefore the detection of syringe cavity diameter is very important to the production of syringe.

The existing detection mode is to calculate the diameter of a cavity by injecting a syringe at a constant speed through a syringe pump, but the mode needs to manually install the syringe on the syringe pump, the process is complicated, the efficiency is low, and the error is large in manual detection. Therefore, a syringe cavity diameter detection device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detect convenient accurate, efficient syringe cavity diameter detection device to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a syringe cavity diameter detection device, includes the water storage box, be provided with amount of movement detection device in the water storage box, just one side of water storage box is connected with the dead lever, dead lever in-connection has first telescoping device, the output of first telescoping device is connected with the carrier bar, carrier bar and dead lever sliding connection, and be connected with suction means on the carrier bar.

Preferably, the movement amount detection device comprises a support frame, the support frame is fixed on the inner bottom surface of the water storage tank, a moving rod is connected in the support frame in a sliding mode, the top and the bottom of the moving rod are respectively connected with a suspension ball and a shielding plate, a correlation grating is further arranged in the water storage tank, the lifting amount of the suspension ball is detected through the correlation grating, the lifting amount of the liquid level in the cavity of the injector is determined, the cavity diameter of the injector is obtained through the absorption amount of the matching absorption device, and the correlation grating is accurately measured.

Preferably, the support frame is transparent, and the transparent material is so that the detection light in the correlation grating can pass through the support frame, thereby measuring the movement amount of the shielding plate.

Preferably, the suction device comprises a suction cavity fixed on the bearing rod, the inside of the suction cavity is slidably connected with a piston rod, one end of the piston rod is connected with a second telescopic device fixed on the bearing rod, a sealing ring is connected below the suction cavity, and the piston rod in the suction cavity moves quantitatively to enable the liquid level in the injector to rise and obtain the diameter by detecting the rising height of the liquid level, so that the measurement is simple and accurate.

Preferably, the bottom of the inner surface of the water storage tank is connected with a cushion block, so that the syringe is prevented from being contacted with the bottom surface of the water storage tank to cause sealing, and the measuring result is prevented from being influenced.

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

the utility model discloses a set up suction means at the top of syringe cavity and come to be connected with the syringe cavity, the back is absorb to the ration, form the negative pressure in the syringe cavity, liquid level in the syringe rises, the liquid level rises and can drive the suspension ball and rise, consequently the shielding plate rises in step, through the amount of movement of correlation grating detectable shielding plate to reach the rise of liquid level, because suction means removes for the ration, can obtain the diameter of syringe cavity, this mode easy operation just can realize the full automatization, consequently efficient and the error is little.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a half-section of a reservoir and a retaining rod;

FIG. 3 is a schematic view of a half-section of the reservoir and suction device;

fig. 4 is an enlarged view of the area a in fig. 3.

In the figure: 1-a water storage tank; 2-a movement amount detecting means; 3-fixing the rod; 4-a first telescopic device; 5-a carrier bar; 6-a suction device; 7-a support frame; 8-a moving rod; 9-suspension ball; 10-a shielding plate; 11-correlation grating; 12-an aspiration lumen; 13-a piston rod; 14-a second telescopic device; 15-a sealing ring; 16-cushion block.

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. 1-4, the present invention provides a technical solution: a syringe cavity diameter detection device comprises a water storage tank 1, wherein a movement amount detection device 2 is arranged in the water storage tank 1, the movement amount detection device 2 is lower than the height of the water storage tank 1, so that the water movement amount detection device 2 of the water storage tank 1 can detect water movement amount, one side of the water storage tank 1 is connected with a fixed rod 3, a first telescopic device 4 is connected in the fixed rod 3, the first telescopic device 4 is specifically an electric telescopic rod, the lifting and descending of a suction device 6 are realized through the expansion and contraction of the electric telescopic rod, so that the syringe cavity is contacted and separated, the output end of the first telescopic device 4 is connected with a bearing rod 5, the specific bearing rod 5 is L-shaped, the bearing rod 5 is in sliding connection with the fixed rod 3, the bearing rod 5 is connected with a suction device 6, the suction device 6 is positioned right above the syringe cavity and is connected with the syringe cavity, the syringe cavity can be placed at a fixed point through, before placing, the first telescopic device 4 works and rises to enable the suction device 6 to ascend, so that the mechanical arm can place the syringe right below the suction device 6.

The movement amount detection device 2 comprises a support frame 7, the support frame 7 is transparent so as to be capable of transmitting light and conveniently detecting, the cylindrical support frame 7 is fixed on the inner bottom surface of the water storage tank 1, a moving rod 8 is connected in the support frame 7 in a sliding manner, the top and the bottom of the moving rod 8 are respectively connected with a suspension ball 9 and a shielding plate 10, the suspension ball 9 drives the shielding plate 10 to synchronously move through the moving rod 8, a moving sleeve is arranged between the moving rod 8 and the support frame 7, the moving sleeve is connected with the moving rod 8 in a sliding manner so as to ensure that the moving rod 8 can vertically ascend, an injection grating 11 is further arranged in the water storage tank 1, the liquid level in the cavity of the injector ascends due to negative pressure caused by the suction device 6, so that the moving rod 8 ascends, after the moving rod 8 ascends, the transmitting end of the injection grating 11 is communicated with the receiving end part by, the suction device 6 is a quantitative suction, so that the volume of the liquid level rise can be determined, and the diameter of the syringe cavity can be calculated.

Suction means 6 is including being fixed in the absorption chamber 12 on carrier bar 5, the inside sliding connection who absorbs chamber 12 has piston rod 13, the one end of piston rod 13 is connected with the second telescoping device 14 that is fixed in on carrier bar 5, it is concrete, second telescoping device 14 is electronic jar, electronic jar's precision is higher, so that guarantee displacement's stability, reduce the error, the below that absorbs chamber 12 is connected with sealing ring 15, be the notch cuttype through-hole in the sealing ring 15, and the through-hole diameter of bottom is greater than the through-hole at top and still is greater than the injection port external diameter of syringe, so that can contain the syringe external diameter into, and be provided with sealed the pad (not shown) on the annular face that forms between the sealing ring 15 stepped hole, form sealedly through the upper surface of the injection port of sealed pad and syringe.

The bottom of the inner surface of the water storage tank 1 is connected with a cushion block 16, and the cushion block 16 cushions the cavity of the injector to prevent the cavity of the injector from being contacted with the bottom surface of the water storage tank 1 to cause liquid isolation inside and outside the injector, so that the liquid level in the cavity of the injector cannot rise to influence detection.

The working principle is as follows: firstly, the first telescopic device 4 ascends to enable the suction device 6 to ascend, then an injector is placed on the cushion block 16 at a fixed point by automatic equipment such as a mechanical arm and the like, then the first telescopic device 4 descends to enable the sealing ring 15 to be in contact with an injection port of the injector, the correlation grating 11 starts to detect at the moment, then the second telescopic device 14 works to drive the piston rod 13 to move upwards to enable negative pressure to be formed in the cavity of the injector, so that the liquid level in the cavity of the injector ascends, the correlation grating 11 continuously detects until the liquid level does not change, and therefore the moving amount of the liquid level is measured, the piston rod 13 moves quantitatively, the volume of solution which moves to enable the liquid level to ascend can be determined, the inner diameter of the injector is obtained, then the second telescopic rod 14 ascends to enable the sealing ring 15 to be.

It is noted that, herein, relational terms such as first and second, and the like may be 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 syringe cavity diameter detection device, includes water storage box (1), its characterized in that: the water storage tank is characterized in that a movement amount detection device (2) is arranged in the water storage tank (1), one side of the water storage tank (1) is connected with a fixed rod (3), a first telescopic device (4) is connected in the fixed rod (3), the output end of the first telescopic device (4) is connected with a bearing rod (5), the bearing rod (5) is connected with the fixed rod (3) in a sliding mode, and a suction device (6) is connected to the bearing rod (5).

2. The syringe chamber diameter detection device of claim 1, wherein: the movement amount detection device (2) comprises a support frame (7), the support frame (7) is fixed on the inner bottom surface of the water storage tank (1), a moving rod (8) is connected in the support frame (7) in a sliding mode, the top and the bottom of the moving rod (8) are respectively connected with a suspension ball (9) and a shielding plate (10), and a correlation grating (11) is further arranged in the water storage tank (1).

3. The syringe chamber diameter detection device of claim 2, wherein: the support frame (7) is transparent.

4. The syringe chamber diameter detection device of claim 1, wherein: suction means (6) are including being fixed in absorption chamber (12) on carrier bar (5), the inside sliding connection who absorbs chamber (12) has piston rod (13), the one end of piston rod (13) is connected with second telescoping device (14) on being fixed in carrier bar (5), the below of absorbing chamber (12) is connected with sealing ring (15).

5. The syringe chamber diameter detection device of claim 1, wherein: the bottom of the inner surface of the water storage tank (1) is connected with a cushion block (16).