CN217542258U - Positive pressure sealing property testing system for injector - Google Patents

Abstract

The utility model relates to an injector test technical field discloses an injector malleation driving fit test system, including test machine and injection tube, the notch has been seted up on the test machine, the catch bar is installed to the inner chamber left end of notch, the last fixedly connected with L type catch bar of catch bar, the support column is installed to the inner chamber of L type catch bar, the push rod motor is installed to the rear end of L type catch bar. The utility model discloses an otic placode of injection tube is pegged graft in the spill fixture block, then will Ruhr cone joint about both ends be connected with injection tube and pick-up plate respectively, then the catch bar laminating is on L type catch bar, thereby L type catch bar and spill fixture block imitate the staff and promote the catch bar and detect, extrusion ring is established in the outside of catch bar through the breach cover simultaneously and is whole with L type catch bar, thereby cooperation push rod motor and catch bar can test the yawing force and the axial force of syringe simultaneously, further efficiency of improvement syringe test.

Description

Positive pressure sealing property testing system for injector

Technical Field

The utility model relates to an injector test technical field specifically is an injector malleation driving fit test system.

Background

The disposable sterile syringe is a device commonly used for clinical medical treatment, drugs needing to be injected are sucked into the syringe in advance and are applied to subcutaneous injection, national standards have strict and definite regulations on the product, and the body tightness of the disposable sterile syringe needs to be detected so as to ensure the product quality and the medication safety.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: the existing detection instrument is very complicated in fixing the injector, and cannot simultaneously test the lateral force and the axial force of the injector when the injector is tested, so that the efficiency of the injector test is low, and therefore, a positive pressure tightness test system of the injector is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injector malleation driving fit test system has solved the problem that provides among the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an injector malleation driving fit test system, includes test machine and injection tube, the notch has been seted up on the test machine, the catch bar is installed to the inner chamber left end of notch, the last fixedly connected with L type catch plate of catch bar, the push rod motor is installed to the rear end of L type catch plate, the output fixedly connected with extrusion ring of push rod motor, the front end of extrusion ring is the breach setting, the pick-up plate is installed to the inner chamber of notch, two the same spill fixture blocks are installed to the inner chamber bottom of notch, peg graft of the otic placode of injection tube is two between the spill fixture block, the peg graft has the catch bar in the interpolation, the right-hand member of injection tube is connected with luer taper joint.

As an optimal implementation mode of the utility model, U type fixture block is installed to the inner chamber bottom of notch, U type fixture block cover is established in the outside of injection tube.

As a preferred embodiment of the utility model, the spout has been seted up to the inner chamber bottom of notch, the inner chamber swing joint of spout has two-way lead screw, the outside turnbuckle of two-way lead screw is equipped with the movable block, two the equal swing joint of movable block is in the spout, two the movable block respectively with two spill fixture block fixed connection, the guide way has been seted up to the inner chamber bottom of notch, swing joint has one-way lead screw between the both ends about the inner chamber of guide way, the outside spiral of one-way lead screw has cup jointed the guide block, guide block and pick-up plate fixed connection.

As a preferred embodiment of the utility model, the bottom fixedly connected with threaded rod of U type fixture block, the outside movable sleeve of threaded rod is equipped with the sleeve, the inner chamber bottom fixed connection of sleeve and notch, the threaded rod outside screwed connection of sleeve upside has the nut.

As an embodiment of the present invention, the limiting groove, two, has all been seted up at telescopic front and back both ends the equal swing joint of limiting groove has the gag lever post, two the gag lever post all with telescopic threaded rod fixed connection.

As a preferred embodiment of the present invention, the bidirectional screw rod runs through the chute and is arranged in the front side of the testing machine, and the front end of the bidirectional screw rod is fixedly connected with the handheld disk.

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

the utility model relates to a syringe malleation driving fit test system, through the test machine, the injection tube, L type catch plate, the push rod motor, the extrusion ring, the pick-up plate, the spill fixture block, catch bar and the setting of luer conical joint, the otic placode through the injection tube is pegged graft in the spill fixture block, then will luer conical joint about both ends be connected with injection tube and pick-up plate respectively, then the catch bar laminating is on L type catch plate, thereby L type catch plate and spill fixture block emulation hand promote the catch bar and detect, the extrusion ring is established in the outside of catch bar and is whole with L type catch plate through the breach cover simultaneously, thereby cooperation push rod motor and catch bar can test the yawing force and the axial force of syringe simultaneously, further improvement syringe test's efficiency.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the overall structure of a positive pressure tightness testing system of the present invention;

fig. 2 is a top view of the positive pressure tightness testing system of the present invention;

fig. 3 is a front view of the threaded rod and the sleeve connection of the positive pressure sealing performance testing system of the injector of the present invention.

In the figure: 1. a testing machine; 2. a pressure lever; 3. an L-shaped push plate; 4. a guide groove; 5. an extrusion ring; 6. a sleeve; 7. a push rod motor; 8. a chute; 9. a U-shaped fixture block; 10. a luer taper joint; 11. detecting a plate; 12. an injection tube; 13. a moving block; 14. a bidirectional screw rod; 15. a hand-held disc; 16. a concave fixture block; 17. a push rod; 18. a threaded rod; 19. a nut; 20. a limiting groove; 21. a limiting rod; 22. a notch; 23. a one-way screw rod; 24. and a guide block.

Detailed Description

Referring to fig. 1-3, the present invention provides a technical solution: a positive pressure sealing performance testing system of an injector comprises a testing machine 1 and an injection tube 12, wherein a notch 22 is formed in the testing machine 1, a pressure rod 2 is installed at the left end of an inner cavity of the notch 22, an L-shaped push plate 3 is fixedly connected to the upper portion of the pressure rod 2, a push rod motor 7 is installed at the rear end of the L-shaped push plate 3, an extrusion ring 5 is fixedly connected to the output end of the push rod motor 7, the front end of the extrusion ring 5 is provided with a notch, a detection plate 11 is installed in the inner cavity of the notch 22, two identical concave fixture blocks 16 are installed at the bottom end of the inner cavity of the notch 22, an ear plate of the injection tube 12 is inserted between the two concave fixture blocks 16, a push rod 17 is inserted in the injection tube 12, a luer taper joint 10 is connected to the right end of the injection tube 12, the left end and the right end of the luer taper joint 10 of the injection tube is connected with the testing machine 1, the L-shaped push plate 3, the push rod motor 7, the extrusion ring 5, the concave fixture blocks 16, the push rod 17 and the luer taper joint 10 are arranged, the push rod 17 are connected with the testing machine 12, the push rod 3 and the push rod 17 are fitted with the push rod 17, and the push rod 17, so as a hand push rod testing efficiency testing machine is improved, and the push rod testing efficiency of the push rod is improved.

In this embodiment (please refer to fig. 2), the U-shaped fixture block 9 is installed at the bottom end of the inner cavity of the notch 22, the U-shaped fixture block 9 is sleeved on the outer side of the injection tube 12, and the injection tube 12 is supported by the U-shaped fixture block 9, thereby increasing the stability of the injection tube 12.

In this embodiment (please refer to fig. 2), a chute 8 is formed in the bottom end of an inner cavity of the notch 22, the inner cavity of the chute 8 is movably connected with a bidirectional screw 14, moving blocks 13 are spirally sleeved on the outer side of the bidirectional screw 14, the two moving blocks 13 are both movably connected in the chute 8, the two moving blocks 13 are respectively and fixedly connected with the two concave fixture blocks 16, a guide groove 4 is formed in the bottom end of the inner cavity of the notch 22, a unidirectional screw 23 is movably connected between the left end and the right end of the inner cavity of the guide groove 4, a guide block 24 is spirally sleeved on the outer side of the unidirectional screw 23, the guide block 24 is fixedly connected with the detection plate 11, the distance between the two concave fixture blocks 16 is adjusted by screwing the bidirectional screw 14, and the distance between the detection plate 11 and the concave fixture blocks 16 can be adjusted by screwing the unidirectional screw 23, so that the syringes with different sizes can be limited.

In this embodiment (please refer to fig. 3), a threaded rod 18 is fixedly connected to the bottom of the U-shaped fixture block 9, a sleeve 6 is movably sleeved outside the threaded rod 18, the sleeve 6 is fixedly connected to the bottom end of the inner cavity of the notch 22, a nut 19 is spirally connected to the outside of the threaded rod 18 on the upper side of the sleeve 6, and the length of the threaded rod 18 outside the sleeve 6 can be adjusted by screwing the nut 19, so that the height of the U-shaped fixture block 9 can be adjusted to keep the syringe 12 horizontal.

In this embodiment (see fig. 3), the front end and the rear end of the sleeve 6 are both provided with limiting grooves 20, the two limiting grooves 20 are movably connected with limiting rods 21, the two limiting rods 21 are fixedly connected with the threaded rod 18 in the sleeve 6, and the threaded rod 18 is guided to move in the limiting grooves 20 through the limiting rods 21, so that the stability of the threaded rod 18 inserted in the sleeve 6 is improved.

In this embodiment (please refer to fig. 2), the bidirectional screw 14 penetrates through the chute 8 and is disposed at the front side of the testing machine 1, and a handheld disc 15 is fixedly connected to the front end of the bidirectional screw 14, and the bidirectional screw 14 is conveniently screwed by a hand through the handheld disc 15.

It should be noted that the present invention relates to a system for testing positive pressure tightness of an injector, which comprises a testing machine 1, a pressure rod 2, an L-shaped push plate 3, a guide groove 4, a squeeze ring 5, a sleeve 6, a push rod motor 7, a sliding groove 8, a U-shaped fixture block 9, a luer taper joint 10, a detection plate 11, an injection tube 12, a moving block 13, a bidirectional screw 14, a hand-held disk 15, a concave fixture block 16, a push rod 17, a threaded rod 18, a nut 19, a limiting groove 20, a limiting rod 21, a notch 22, a unidirectional screw 23, a guide block 24, all of which are universal standard parts or parts known by those skilled in the art, the structure and principle of which are known by technical manuals or conventional experimental methods, in operation, first, the distance between two concave fixture blocks 16 is adjusted by screwing a bidirectional screw 14 according to the size of the injection tube 12, the fixture block 14, the unidirectional screw 23 can adjust the distance between the concave fixture block 11 and the concave fixture block 16, then the ear plate of the syringe 12 is inserted into the concave fixture block 16, then the left and right of the fixture block 10 are respectively connected with the push rod 12 and the push rod 12, then the push rod 11, the push rod 9 is connected with the push rod 13, the push rod 17, the push rod can be placed on the push rod 17, the push rod can be adjusted horizontally attached to the push rod, thereby enabling the push rod to be pushed by the push rod 3, the push rod 17, the push rod to be tested, the push rod 17, the efficiency of syringe test is further improved.

Claims (6)

1. A syringe positive pressure adhesion test system, includes test machine (1) and injection cylinder (12), its characterized in that: the testing machine is characterized in that a notch (22) is formed in the testing machine (1), a pressure rod (2) is installed at the left end of an inner cavity of the notch (22), an L-shaped push plate (3) is fixedly connected to the upper portion of the pressure rod (2), a push rod motor (7) is installed at the rear end of the L-shaped push plate (3), an extrusion ring (5) is fixedly connected to the output end of the push rod motor (7), the front end of the extrusion ring is arranged in a notch mode, a detection plate (11) is installed in the inner cavity of the notch (22), two identical concave fixture blocks (16) are installed at the bottom end of the inner cavity of the notch (22), an ear plate of the injection cylinder (12) is inserted between the two concave fixture blocks (16), a push rod (17) is inserted in the injection cylinder (12), and a luer conical connector (10) is connected to the right end of the injection cylinder (12).

2. The system of claim 1, wherein: u-shaped fixture blocks (9) are installed at the bottom ends of the inner cavities of the notches (22), and the U-shaped fixture blocks (9) are sleeved on the outer side of the injection cylinder (12).

3. The system of claim 1, wherein: spout (8) have been seted up to the inner chamber bottom of notch (22), the inner chamber swing joint of spout (8) has two-way lead screw (14), the outside spiral shell of two-way lead screw (14) is equipped with movable block (13), two equal swing joint of movable block (13) is in spout (8), two movable block (13) respectively with two spill fixture block (16) fixed connection, guide way (4) have been seted up to the inner chamber bottom of notch (22), swing joint has one-way lead screw (23) between the both ends about the inner chamber of guide way (4), guide block (24) have been cup jointed to the outside spiral of one-way lead screw (23), guide block (24) and pick-up plate (11) fixed connection.

4. The system of claim 2, wherein the positive pressure tightness test system comprises: the bottom fixedly connected with threaded rod (18) of U type fixture block (9), the outside activity cover of threaded rod (18) is equipped with sleeve (6), the inner chamber bottom fixed connection of sleeve (6) and notch (22), threaded rod (18) outside screwed connection of sleeve (6) upside has nut (19).

5. The system of claim 4, wherein the positive pressure tightness test system comprises: spacing groove (20), two equal swing joint has gag lever post (21) in spacing groove (20), two gag lever post (21) all with threaded rod (18) fixed connection in sleeve (6) around sleeve (6).

6. The system of claim 3, wherein the positive pressure tightness test system comprises: the bidirectional screw rod (14) penetrates through the sliding groove (8) and is arranged on the front side of the testing machine (1), and a handheld disc (15) is fixedly connected to the front end of the bidirectional screw rod (14).

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