Injector sliding performance tester

Abstract

The utility model provides an injector sliding performance tester. The injector sliding performance tester comprises a case, and a control panel, a pressing device, a clamping device and a liquid supply device which are arranged on the case, a clearance opening is formed in the front side of the case; the pressing device controls a pressing block to move up and down through a lifting driving device, and the height position of the pressing block is adjustable; the clamping device comprises a pressure sensor, a second sliding plate, a second sliding block, a U-shaped base and two clamping assemblies. The pressure sensor is fixed on the case; the second sliding plate is vertically fixed at the front end of the pressure sensor; the second sliding block is installed on the second sliding plate in the mode that the position can be adjusted up and down. The opening of the U-shaped seat faces forwards, and the U-shaped seat is mounted on the front side of the second sliding block; the two groups of clamping assemblies can be installed at the first insertion holes in a left-right position adjusting mode, the design can be suitable for detection of products of different specifications, installation is simple, and efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of syringe testing devices, and in particular to a syringe sliding tester. Background Technology

[0002] The syringe sliding performance tester is used to test whether the sliding performance of the syringe piston handle and the syringe barrel meets the standard. When using it, the syringe barrel needs to be fixed and the needle position is connected to the liquid container through a tube. Then, the piston handle is pushed and its sliding performance is observed under the set pressure. However, the current syringe fixing is not simple enough and cannot be adjusted, making it difficult to adapt to different types of syringes for testing. Therefore, it needs to be improved. Utility Model Content

[0003] The purpose of this invention is to provide a syringe sliding performance tester to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A syringe slippage tester includes a chassis and a control panel, a pressing device, a clamping device, and a liquid supply device mounted on the chassis. The chassis has a clearance opening on its front side. The pressing device includes a lifting drive, a first sliding plate, a first slider, a pressure block connecting seat, and a pressure block. The lifting drive is installed inside the chassis and its power output end is connected to the first sliding plate. The first sliding plate is vertically oriented. The first slider is mounted on the first sliding plate with an adjustable position. The pressure block connecting seat is fixed to the front side of the first slider, with its front end extending from the clearance opening. The pressure block is mounted at the front of the pressure block connecting seat. The clamping device includes a pressure sensor, a second sliding plate, a second slider, a U-shaped seat, and two sets of clamping assemblies. The pressure sensor is fixed inside the chassis, with its front end extending from the clearance opening. The second slide plate is vertically fixed to the front end of the pressure sensor; the second slider is mounted on the second slide plate with adjustable position; the U-shaped seat is mounted on the front side of the second slider with its opening facing forward; the left and right sides of the U-shaped seat are respectively provided with first through holes; the two sets of clamping components are respectively installed at the positions of the first through holes; the clamping components include a support plate, a first locking screw and an L-shaped clamping block; the support plate is inserted into the first through hole; the first locking screw is installed on the U-shaped seat and abuts against the support plate; the side of the support plate that extends into the opening of the U-shaped seat is provided with a second through hole; the L-shaped clamping block is inserted into the second through hole; the bottom of the syringe flange is supported by the support plate, and the L-shaped clamping block presses against the top of the syringe flange; the liquid supply device is installed on the left side of the casing.

[0006] Further description of this utility model: the lifting drive device includes a motor base, a motor, a driving wheel, a driven wheel, a synchronous belt, a mounting bracket, guide rods, a lead screw, and a slide block; the motor base is fixed inside the housing; the motor is mounted on the motor base and its power output end is connected to the driving wheel; the mounting bracket is fixed inside the housing and located in front of the motor base; two guide rods are provided and mounted on the mounting bracket, distributed left and right; the lead screw is rotatably connected to the mounting bracket and its lower end is connected to the driven wheel; the synchronous belt connects the driving wheel and the driven wheel; the slide block is slidably connected to the two guide rods; the slide block is driven by the lead screw through a nut; the lower end of the first sliding plate is fixed to the front end of the slide block.

[0007] In a further description of this utility model, a second locking screw is installed on the first slider; the tail end of the second locking screw abuts against the first sliding plate.

[0008] In a further description of this utility model, a third locking screw is installed on the second slider; the tail end of the third locking screw abuts against the second slide plate.

[0009] Further description of this utility model: the liquid supply device includes a connecting frame, a third sliding plate, a third sliding block, a fourth sliding plate, a liquid supply tank mounting base, and a liquid supply tank; the connecting frame is fixed to the left side of the chassis; the third sliding plate is longitudinally installed on the left end of the connecting frame; the third sliding block is adjustable in position and installed on the third sliding plate; the fourth sliding plate is vertically fixed on the third sliding block; the liquid supply tank mounting base is adjustable in position and installed on the fourth sliding plate; the liquid supply tank is installed on the liquid supply tank mounting base.

[0010] The beneficial effects of this utility model are as follows:

[0011] This design adjusts the front and rear positions of the support plates in the two clamping assemblies according to different syringe specifications, so that the two support plates can support the bottom of the flange at the bottom of the syringe barrel. The height of the first and second sliders is also adjusted to suit the product. When the product is loaded, the two L-shaped clamps are lifted upwards, and then the syringe is inserted from the front to the back between the two clamping assemblies. The bottom of the flange is supported by the two support plates, and then the L-shaped clamps are pressed down so that they touch the top of the flange to fix the syringe. The syringe head is connected to the liquid supply device through a hose. Then, the lifting drive device is activated through the control panel to drive the pressure block to move downwards. The pressure block touches the piston handle of the syringe and pushes it downwards for detection. The pressure value is detected by a pressure sensor to detect the slippage of the syringe. This design can adapt to the detection of products of different specifications, and the product assembly is simple. For the detection of products of the same specification, only one adjustment is required. The clamping process does not require repeated tightening of screws, which greatly improves the detection efficiency. Attached Figure Description

[0012] Figure 1 This is an overall structural diagram of the present invention;

[0013] Figure 2 This is a structural diagram of the pressing device, clamping device and liquid supply device of this utility model;

[0014] Figure 3 yes Figure 2 A magnified view of part A in the image. Detailed Implementation

[0015] The present invention will be further described below with reference to the accompanying drawings:

[0016] like Figure 1-3As shown, a syringe slippage tester includes a housing 1 and a control panel 2, a pressing device 3, a clamping device 4, and a liquid supply device 5 mounted on the housing 1. The housing 1 has a clearance opening 11 on its front side. The pressing device 3 includes a lifting drive device 31, a first sliding plate 32, a first slider 33, a pressure block connecting seat 34, and a pressure block 35. The lifting drive device 31 is installed inside the housing 1 and its power output end is connected to the first sliding plate 32. The first sliding plate 32 is vertically arranged. The first slider 33 is mounted on the first sliding plate 32 with adjustable position. The pressure block connecting seat 34 is fixed to the front side of the first slider 33 and its front end extends out of the clearance opening 11. The pressure block 35 is mounted on the front of the pressure block connecting seat 34. The clamping device 35 is mounted on the front of the pressure block connecting seat 34. The device 4 includes a pressure sensor 41, a second sliding plate 42, a second slider 43, a U-shaped base 44, and two sets of clamping assemblies 45. The pressure sensor 41 is fixed inside the housing 1 with its front end extending from the clearance opening 11. The second sliding plate 42 is vertically fixed to the front end of the pressure sensor 41. The second slider 43 is mounted on the second sliding plate 42 with its position adjustable up and down. The U-shaped base 44 is mounted on the front side of the second slider 43 with its opening facing forward. The left and right sides of the U-shaped base 44 are respectively provided with first through holes 441 that extend horizontally. The two sets of clamping assemblies 45 are respectively installed at the positions of the first through holes 441. Each clamping assembly 45 includes a support plate 451, a first locking screw 452, and an L-shaped clamping block 453. The support plate 451 is inserted into the housing 1. The first insertion hole 441 is located inside the first locking screw 452, which is installed on the U-shaped seat 44 and abuts against the support plate 451. A second insertion hole 4511 is provided on one side of the support plate 451 that extends into the opening of the U-shaped seat 44. The L-shaped clamp 453 is inserted into the second insertion hole 4511. The friction between the L-shaped clamp 453 and the second insertion hole 4511 prevents it from moving freely. The operator can control its up-and-down movement by applying pulling or pushing force. The bottom of the syringe flange is supported by the support plate 451, and the L-shaped clamp 453 presses against the top of the syringe flange. The liquid supply device 5 is installed on the left side of the housing 1. This design adjusts the front and rear positions of the support plates 451 in the two sets of clamping assemblies 45 according to the different syringe specifications, so that the two support plates... 451 can support the bottom of the flange at the bottom of the syringe barrel and adjust the height of the first slider 33 and the second slider 43 to suit the product. When the product is loaded, the two L-shaped clamps 453 are lifted upwards, and then the syringe is pushed from the front to the back between the two sets of clamping components 45. The bottom of the flange is supported by the two support plates 451. Then, the L-shaped clamps 453 are pressed down so that they touch the top of the flange to fix the syringe. The syringe head is connected to the liquid supply device 5 through a hose. Then, the lifting drive device 31 is started through the control panel 2 to drive the pressure block 35 to move downwards. The pressure block 35 touches the piston handle of the syringe and pushes it downwards for detection. The pressure value is detected by the pressure sensor 41 to detect the sliding of the syringe.

[0017] The lifting drive device 31 includes a motor base 31, a motor 32, a drive wheel (not shown), a driven wheel 33, a synchronous belt (not shown), a mounting bracket 34, guide rods 35, a lead screw 36, and a slide block 37; the motor base 31 is fixed inside the housing 1; the motor 32 is mounted on the motor base 31 and its power output end is connected to the drive wheel; the mounting bracket 34 is fixed inside the housing 1 and located in front of the motor base 31; two guide rods 35 are provided and mounted on the mounting bracket 34, one on the left and one on the right; The lead screw 36 is rotatably connected to the mounting bracket 34 and its lower end is connected to the driven wheel 33; the synchronous belt is connected between the driving wheel and the driven wheel 33; the slide block 37 is slidably connected to the two guide rods 35; the slide block 37 is connected to the lead screw 36 through a lead screw nut; the lower end of the first slide plate 32 is fixed to the front end of the slide block 37, the motor 32 drives the driving wheel to rotate, and drives the driven wheel 33 to rotate through the synchronous belt, the driven wheel 33 drives the lead screw 36 to rotate, and the lead screw 36 drives the slide block 37 to move up and down.

[0018] A second locking screw 331 is installed on the first slider 33; the tail end of the second locking screw 331 abuts against the first slide plate 32. By loosening the second locking screw 331, the vertical height of the first slider 33 can be adjusted, thereby adjusting the vertical height of the pressure block 35.

[0019] A third locking screw 431 is installed on the second slider 43; the tail end of the third locking screw 431 abuts against the second slide plate 42. By loosening the third locking screw 431, the vertical height of the second slider 43 can be adjusted, thereby adjusting the vertical height of the clamping device 4.

[0020] The liquid supply device 5 includes a connecting frame 51, a third sliding plate 52, a third sliding block 53, a fourth sliding plate 54, a liquid supply tank mounting base 55, and a liquid supply tank 56. The connecting frame 51 is fixed to the left side of the chassis 1. The third sliding plate 52 is longitudinally installed on the left end of the connecting frame 51. The third sliding block 53 is adjustable in position and installed on the third sliding plate 52. The fourth sliding plate 54 is vertically fixed on the third sliding block 53. The liquid supply tank mounting base 55 is adjustable in position and installed on the fourth sliding plate 54. The liquid supply tank 56 is installed on the liquid supply tank mounting base 55.

[0021] A fourth locking screw 531 is installed on the third slider 53; the tail end of the fourth locking screw 531 abuts against the third slide plate 52; a fifth locking screw 541 is installed on the liquid supply tank mounting base 55; the tail end of the fifth locking screw 541 abuts against the fourth slide plate 54. By loosening the fourth locking screw 531, the front and rear position of the third slider 53 can be adjusted, and by loosening the fifth locking screw 541, the vertical height of the liquid supply tank mounting base 55 can be adjusted, thereby controlling the position of the liquid supply tank 56.

[0022] The above description does not limit the technical scope of this invention. Any modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this invention shall still fall within the scope of the technical solution of this invention.

Claims

1. A syringe sliding property tester comprising a cabinet and a control panel, a pressing device, a clamping device and a liquid supply device mounted on the cabinet; characterized in that: The front side of the cabinet has an empty opening; the lower pressing device comprises a lifting driving device, a first sliding plate, a first sliding block, a pressing block connecting seat and a pressing block; the lifting driving device is installed in the cabinet and the power output end is connected with the first sliding plate; the first sliding plate is vertically arranged; the first sliding block is installed on the first sliding plate in an adjustable position; the pressing block connecting seat is fixed on the front side of the first sliding block and the front end extends from the empty opening; the pressing block is installed on the front part of the pressing block connecting seat; the clamping device comprises a pressure sensor, a second sliding plate, a second sliding block, a U-shaped seat and two groups of clamping components; the pressure sensor is fixed in the cabinet and the front end extends from the empty opening; the second sliding plate is vertically fixed on the front end of the pressure sensor; the second sliding block is installed on the second sliding plate in an adjustable position; the U-shaped seat is installed on the front side of the second sliding block with the opening facing forward; the left and right sides of the U-shaped seat are respectively provided with a transversely penetrating first insertion hole; the two groups of clamping components are respectively installed at the positions of the first insertion holes; the clamping component comprises a supporting plate, a first locking screw and an L-shaped clamping block; the supporting plate is inserted in the first insertion hole; the first locking screw is installed on the U-shaped seat and abuts against the supporting plate; one side of the supporting plate extending into the opening of the U-shaped seat is provided with a second insertion hole; the L-shaped clamping block is inserted in the second insertion hole; the bottom of the syringe flange is supported by the supporting plate and the L-shaped clamping block is pressed on the top of the syringe flange; the liquid supply device is installed on the left side of the cabinet.

2. The syringe glide test instrument of claim 1, wherein: The lifting driving device comprises a motor seat, a motor, a driving wheel, a driven wheel, a synchronous belt, a mounting frame, a guide rod, a screw rod and a sliding seat; the motor seat is fixed in the cabinet; the motor is installed on the motor seat and the power output end is connected with the driving wheel; the mounting frame is fixed in the cabinet and located on the front side of the motor seat; the guide rod is arranged in two and distributed on the mounting frame; the screw rod is rotationally connected on the mounting frame and the lower end is connected with the driven wheel; the synchronous belt is connected between the driving wheel and the driven wheel; the sliding seat is slidingly connected with the two guide rods; the sliding seat is drivingly connected with the screw rod through a screw nut; the lower end of the first sliding plate is fixed on the front end of the sliding seat.

3. The syringe glide test instrument of claim 1, wherein: The second locking screw is installed on the first sliding block; the tail end of the second locking screw abuts against the first sliding plate.

4. The syringe glide test instrument of claim 1, wherein: The third locking screw is installed on the second sliding block; the tail end of the third locking screw abuts against the second sliding plate.

5. The syringe glide test instrument of claim 1, wherein: The liquid supply device comprises a connecting frame, a third sliding plate, a third sliding block, a fourth sliding plate, a liquid supply barrel mounting seat and a liquid supply barrel; the connecting frame is fixed on the left side of the cabinet; the third sliding plate is longitudinally installed on the left end of the connecting frame; the third sliding block is installed on the third sliding plate in an adjustable position; the fourth sliding plate is vertically fixed on the third sliding block; the liquid supply barrel mounting seat is installed on the fourth sliding plate in an adjustable position; the liquid supply barrel is installed on the liquid supply barrel mounting seat.

6. The syringe glide test instrument of claim 5, wherein: The fourth locking screw is installed on the third sliding block; the tail end of the fourth locking screw abuts against the third sliding plate; the fifth locking screw is installed on the liquid supply barrel mounting seat; the tail end of the fifth locking screw abuts against the fourth sliding plate.

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