CN216050466U - Interface structure for detecting sealing performance of injection glass container - Google Patents
Interface structure for detecting sealing performance of injection glass container Download PDFInfo
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- CN216050466U CN216050466U CN202121598718.7U CN202121598718U CN216050466U CN 216050466 U CN216050466 U CN 216050466U CN 202121598718 U CN202121598718 U CN 202121598718U CN 216050466 U CN216050466 U CN 216050466U
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Abstract
The utility model relates to an interface structure for detecting the sealing performance of an injection glass container, which comprises a KF vacuum joint I and a KF vacuum joint II which are hermetically connected through a KF vacuum clamp, wherein the free end of the KF vacuum joint I is used for hermetically connecting an exhaust tube of detection equipment, a sealant joint correspondingly attached to the hole wall of the KF vacuum joint II is arranged in an inner hole of the KF vacuum joint II, a container connecting groove matched with the bottle mouth of the injection glass container to be detected is concavely arranged on the end surface of the outer end of the sealant joint, a penetrating gas channel is arranged on the sealant joint to communicate the outer end with the inner end of the container connecting groove, and the outer end of the gas channel is positioned in the middle position of the bottom surface of the container connecting groove. The utility model is connected with the bottle mouth of the injection glass container to be tested in a sealing way through the container connecting groove on the sealing glue joint, the operation is simple and easy, and the sealing effect is good; the sealing rubber joint and the corresponding KF vacuum joint II are simple to replace, can be quickly adapted to injection glass containers of different specifications, and improve the detection speed.
Description
Technical Field
The utility model belongs to the technical field of medicine package detection, and particularly relates to an interface structure for detecting the sealing property of an injection glass container.
Background
It is common in the pharmaceutical industry to use a bottle-shaped glass container to contain the injection, and the glass container can isolate the injection from the outside to maintain the efficacy; when a hole or a crack exists on the glass container, bacteria can enter the glass container through the hole or the crack to pollute the injection, so that the sealing performance of the injection glass container needs to be detected before the injection glass container leaves a factory.
At present, the tightness of an injection glass container is generally detected in a vacuum leak detection mode, and during detection, a bottle mouth of the injection glass container to be detected needs to be in sealed connection with an exhaust pipe of detection equipment; the sealing performance of the connection between the injection glass container and the bottle cap directly influences the detection accuracy, the types and specifications of the injection glass containers are various, and the shapes and the outer diameter sizes of bottle mouths of the injection glass containers are different, so that the sealing performance of the sealing connection between the injection glass containers and the bottle cap and the quick connection performance of the injection glass containers with different specifications have higher requirements.
At present, the bottle mouth of an injection glass container to be detected and an exhaust tube of detection equipment are generally in sealing connection in a clamp locking or end face butt joint mode; the clamp locks the bottle mouth of the injection glass container to be detected and the exhaust tube of the detection equipment to be directly connected through the vacuum clamp, the connection mode has the problems of troublesome operation and low efficiency, and the glass bottle mouth is easy to crack due to overlarge pressure; the end face flush is to be closely contacted with the end face of the bottle mouth of the injection glass container to be detected and the end face of the exhaust tube of the detection equipment (generally realized by pressing), although the mode is simple in operation and high in efficiency, the sealing performance is greatly influenced by the end faces due to the adoption of end face pressing sealing, leakage is easy to occur, and the detection accuracy is poor.
Disclosure of Invention
Aiming at the defects in the prior art, the technical problem to be solved by the utility model is to provide an interface structure for detecting the sealing property of an injection glass container, solve the problems of troublesome operation and poor sealing property of the existing mode of sealing and connecting the bottle mouth of the injection glass container to be detected and an exhaust pipe of detection equipment, obtain the injection glass containers which can be rapidly adapted to different specifications and improve the detection speed and accuracy.
In order to solve the technical problems, the utility model adopts the following technical scheme:
an interface structure for detecting the sealing performance of an injection glass container comprises a KF vacuum joint I and a KF vacuum joint II;
the KF vacuum joint I and the KF vacuum joint II are in sealing connection through a KF vacuum clamp, and the free end of the KF vacuum joint I is used for being in sealing connection with an exhaust tube of the detection equipment;
the KF vacuum joint II is provided with an inner hole which penetrates along the axial direction, the inner diameter of the free end of the KF vacuum joint II is larger than that of the end of the KF vacuum joint II connected with the KF vacuum clamp, and the two ends are transited through an inner diameter reducing section;
a sealing rubber joint is arranged in an inner hole of the KF vacuum joint II, the side wall of the sealing rubber joint corresponds to and is attached to the hole wall of the inner hole of the KF vacuum joint II, and the side wall of the sealing rubber joint at least has a side wall diameter-changing section corresponding to the inner diameter-changing section;
the sealing glue joint is provided with a through gas channel to communicate the outer end and the inner end of the sealing glue joint, a container connecting groove is concavely arranged on the end face of the outer end of the sealing glue joint, the inner side wall of the container connecting groove is matched with the outer side wall of the bottle mouth of the injection glass container to be detected, and the outer end of the gas channel is located in the middle of the bottom surface of the container connecting groove.
In the utility model, the sealant joint is provided with the container connecting groove matched with the bottle mouth of the injection glass container to be detected, when in detection, only the bottle mouth of the injection glass container to be detected needs to be inserted into the container connecting groove, and the bottle mouth of the injection glass container to be detected is primarily connected with the sealant joint in a sealing way, so the operation is simple and easy; after the detection equipment is started, the injection glass container to be detected is in a negative pressure state, the bottle mouth of the injection glass container to be detected is in close contact with the sealing rubber joint under the action of external pressure, the sealing performance between the bottle mouth and the sealing rubber joint is gradually improved along with the increase of the negative pressure in the injection glass container to be detected, and meanwhile, the sealing rubber joint is pressed by the injection glass container to be detected, so that the sealing rubber joint is more tightly attached to the KF vacuum joint II under the matching and guiding of the inner diameter reducing section and the side wall reducing section, the sealing performance is better, and the detection is more accurate and reliable;
when the size change of the bottle mouths of the injection glass containers with different specifications is small, only the sealant joint with the matched container connecting groove needs to be replaced, and when the size change of the bottle mouths of the injection glass containers with different specifications is large, only the KF vacuum clamp needs to be unscrewed, and meanwhile, the KF vacuum joint II and the corresponding sealant joint need to be replaced; the interface structure has better universality, can be quickly adapted to injection glass containers of different specifications, and improves the detection speed.
Furthermore, the bottom surface of the container connecting groove is provided with an annular boss which is coaxial with the container connecting groove, the outer diameter of the annular boss is matched with the inner diameter of the bottle mouth of the injection glass container to be measured, and the gas channel extends out of the annular boss and is communicated with the container connecting groove.
Therefore, the bottleneck of the injection glass container to be tested is clamped between the container connecting groove and the annular boss, so that the contact area between the bottleneck of the injection glass container to be tested and the sealing rubber joint is increased, and the sealing effect is improved; meanwhile, the stability of the injection glass container to be detected is improved, and the injection glass container to be detected can be prevented from inclining and falling to a certain extent.
Furthermore, the sealing rubber joint is made of elastic materials, and the inner diameter reducing section is a gradual taper transition section or a step transition section.
Like this, conveniently impress and take out the sealed gluey joint, also can improve the leakproofness that sealed gluey joint and KF vacuum joint II laminated.
Further, the outer end that the joint was glued in the sealing is connected the free end parallel and level with KF vacuum joint II, the free end of KF vacuum joint II has the reaming, the reaming degree of depth is less than the degree of depth of container spread groove.
Therefore, a gap exists between the inner wall of the KF vacuum joint II close to the end part and the sealing glue joint, so that the position of the container connecting groove on the sealing glue joint has a certain deformation space, and the bottle mouth of the injection glass container to be detected is inserted into the container connecting groove more smoothly.
Furthermore, the interface structure further comprises a horizontal workbench, the KF vacuum joint II vertically penetrates through the workbench and is detachably connected with the workbench, the free end of the KF vacuum joint II is positioned above the workbench, and the KF vacuum hoop and the KF vacuum joint I are positioned below the outside of the workbench;
be equipped with vertical lead screw guide rail on the workstation, the top of lead screw guide rail's screw rod is connected with the hand wheel, is connected with supplementary clamp plate on lead screw guide rail's the nut seat, supplementary clamp plate is parallel with the workstation, KF vacuum joint II is located the projection range of supplementary clamp plate on vertical.
After the bottle mouth of the injection glass container to be detected is inserted into the container connecting groove in an inverted mode, the hand wheel can be rotated, and the auxiliary pressing plate is driven by the lead screw guide rail to press the injection glass container to be detected; on the other hand, the device has a limiting effect on the injection glass container to be detected, and the injection glass container to be detected is prevented from inclining and falling.
Further, the auxiliary pressing plate is fixedly connected with a rubber cushion on the surface facing the KF vacuum joint II, and the rubber cushion is also paved on the workbench.
Like this, the rubber cushion is comparatively soft, has the cushioning effect, can avoid the injection glass container that awaits measuring to take place stronger rigidity collision and breakage with supplementary clamp plate and workstation.
Compared with the prior art, the utility model has the following beneficial effects:
1. in the utility model, the sealing connection with the bottle mouth of the injection glass container to be tested is realized through the container connecting groove on the sealing glue joint, and the operation is simple and easy; under the cooperation and the guide of interior footpath reducing section and lateral wall reducing section, sealed joint of gluing is inseparabler with KF vacuum joint II's laminating, and the leakproofness is better for detect more accurate reliable.
2. The sealing rubber joint and the corresponding KF vacuum joint II are simple to replace, can be quickly adapted to injection glass containers of different specifications, and improve the detection speed.
3. In the utility model, under the matching of the container connecting groove of the sealant joint and the annular boss, the contact area between the bottle mouth of the injection glass container to be tested and the sealant joint is increased, thereby improving the sealing effect; meanwhile, the glass container of the injection to be tested can be prevented from inclining and falling to a certain extent.
4. In the utility model, a gap exists between the inner wall of the KF vacuum joint II close to the end part and the sealant joint, so that a certain deformation space is reserved at the position of the container connecting groove on the sealant joint, and the bottle mouth of the injection glass container to be tested is inserted into the container connecting groove more smoothly.
Drawings
FIG. 1 is a schematic perspective view of an interface structure according to an embodiment (without a stage);
FIG. 2 is a front cross-sectional view of FIG. 1;
FIG. 3 is a schematic perspective view of an exemplary interface structure;
FIG. 4 is a schematic diagram of the connection state of the interface structure and the glass container to be tested;
FIG. 5 is a front partial cross-sectional view of FIG. 4;
wherein, KF vacuum joint I1, KF vacuum joint II 2, KF vacuum clamp 3 presss from both sides 31 soon, central positioning ring 32, sealing washer 33, exhaust tube 4, the injection glass container 5 that awaits measuring, sealed adapter 6, container connecting groove 61, annular boss 62, gas passage 63, reaming 64, workstation 7, lead screw guide 71, hand wheel 72, supplementary clamp plate 73.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1 and 2, an interface structure for detecting the sealing performance of an injection glass container comprises a KF vacuum connector i 1 and a KF vacuum connector ii 2;
KF vacuum joint I1 and KF vacuum joint II 2 between through KF vacuum clamp 3 sealing connection, KF vacuum joint I1's free end is used for sealing connection check out test set's exhaust tube 4, KF vacuum joint II 2's free end be used for with the injection glass container 5's that awaits measuring bottleneck sealing connection.
Wherein, the KF vacuum joint and the KF vacuum clamp 3 are both the prior art; the KF vacuum joint is a tubular structure, and the edge of at least one end is provided with an outward annular flange to prevent the KF vacuum clamp 3 from being separated when in sealing connection; the KF vacuum hoop 3 comprises a quick clamp 31 (similar to a hoop), a central positioning ring 32 and a sealing ring 33, wherein the sealing ring 33 is sleeved on the central positioning ring 32; KF vacuum joint I1 and KF vacuum joint II 2 have the one end of cyclic annular flange be located the ring cavity of quick clamp 31, and center positioning ring 32 and sealing washer 33 are located KF vacuum joint I1 and KF vacuum joint between II 2, when screwing up the adjusting bolt who presss from both sides on 31 soon, press from both sides 31 soon and tighten up, sealing washer 33 receives the axial extrusion to realize sealing connection with KF vacuum joint I1 and KF vacuum joint II 2's terminal surface in close contact with.
The inner wall of the free end of the KF vacuum joint II 2 is provided with a taper, and the inner diameter of the free end of the KF vacuum joint II 2 is gradually increased towards the direction far away from the KF vacuum hoop 3; in this embodiment, KF vacuum joint II 2 uses reducing KF vacuum joint, and KF vacuum joint II 2's both ends diameter varies promptly, passes through the toper transition.
The intussuseption of KF vacuum joint II 2's free end is equipped with sealed adapter 6, the shape phase-match of sealed adapter 6's outer wall and KF vacuum joint II 2's inner wall, sealed adapter 6 is the round platform form promptly, sealed adapter 6 is elastic material, sealed adapter 6's outer wall and KF vacuum joint II 2's inner wall sealed cooperation, in this embodiment, sealed adapter 6's size slightly is greater than KF vacuum joint II 2's inside dimension, during both assembles, in KF vacuum joint II 2 is impressed to sealed adapter 6, sealed adapter 6 is under self elastic action, make its outer wall closely laminate with KF vacuum joint II 2's inner wall, in order to guarantee sealed adapter 6 and KF vacuum joint II 2 sealed complex reliability.
A container connecting groove 61 is arranged on the end face, away from the KF vacuum hoop 3, of the sealant joint 6, the inner side wall of the container connecting groove 61 is matched with the outer side wall of the bottle mouth of the injection glass container 5 to be detected, an annular boss 62 coaxial with the container connecting groove 61 is arranged on the bottom surface of the container connecting groove 61, and the outer diameter of the annular boss 62 is matched with the inner diameter of the bottle mouth of the injection glass container 5 to be detected; in this embodiment, the size of the inner wall of the container connecting groove 61 is slightly smaller than the size of the outer wall of the bottle mouth of the injection glass container 5 to be tested, and the outer diameter of the annular boss 62 is slightly larger than the inner diameter of the bottle mouth of the injection glass container 5 to be tested, so that when the bottle mouth of the injection glass container 5 to be tested is inserted into the container connecting groove 61, the bottle mouth of the injection glass container 5 to be tested and the sealant joint 6 have good sealing performance.
The inside of sealed glue joint 6 is equipped with the gas passage 63 that runs through, gas passage 63 is coaxial with container connecting groove 61, and the one end and the container connecting groove 61 intercommunication of gas passage 63 extend KF vacuum joint II 2 out of the other end of gas passage 63.
The outer end of the sealant joint 6 is flush with the free end of the KF vacuum joint II 2, the free end of the KF vacuum joint II 2 is provided with a reaming hole 64, and the depth of the reaming hole 64 is smaller than that of the container connecting groove 61; that is, a gap exists between the inner wall of the KF vacuum joint II 2 close to the end part and the sealant joint 6, so that the sealant joint 6 is provided with a certain deformation space at the position of the container connecting groove 61, and the bottle mouth of the injection glass container 5 to be tested is inserted into the container connecting groove 61 more smoothly.
Referring to fig. 3, the interface structure further includes a horizontal workbench 7, and the KF vacuum connector i 1, the KF vacuum connector ii 2, and the KF vacuum clamp 3 are vertically mounted on the workbench 7; in the embodiment, a KF vacuum joint II 2 vertically penetrates through the workbench 7 and is detachably connected with the workbench 7, the free end of the KF vacuum joint II 2 is positioned above the workbench 7, and the KF vacuum hoop 3 and the KF vacuum joint I1 are positioned below the workbench 7;
a vertical lead screw guide rail 71 is arranged on the workbench 7, the tail end of a screw of the lead screw guide rail 71 is connected with a hand wheel 72, an auxiliary pressure plate 73 is connected to a nut seat of the lead screw guide rail 71, the auxiliary pressure plate 73 is parallel to the workbench 7, and the KF vacuum joint II 2 is positioned in the projection range of the auxiliary pressure plate 73 in the vertical direction; the auxiliary pressure plate 73 is fixedly connected with a rubber cushion on the side face facing the KF vacuum joint II 2, and the workbench 7 is also paved with the rubber cushion.
Referring to fig. 4 and 5, in use, the KF vacuum connector i 1 is hermetically connected with the exhaust tube 4 of the detection device, the bottleneck of the injection glass container 5 to be detected is inversely inserted into the container connecting groove 61 to form a preliminary sealing connection, after the detection device is started, negative pressure is formed in the interface structure and the injection glass container 5 to be detected, so that the injection glass container 5 to be detected is tightly pressed on the interface structure by external pressure, and the sealing performance between the bottleneck of the injection glass container 5 to be detected and the interface structure is better as the negative pressure increases; simultaneously sealed glue joint 6 receives the pressure of the injection glass container 5 that awaits measuring, under the guide of the toper inner wall of KF vacuum joint II 2, is the trend of downward movement to make sealed glue joint 6 and KF vacuum joint II 2's inner wall inseparabler laminating, guarantee sufficient leakproofness.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. An interface structure for detecting the tightness of an injection glass container is characterized in that: the KF vacuum joint I is in sealing connection with the KF vacuum joint II through a KF vacuum clamp, and the free end of the KF vacuum joint I is used for being in sealing connection with an exhaust tube of detection equipment;
the KF vacuum joint II is provided with an inner hole which penetrates along the axial direction, the inner diameter of the free end of the KF vacuum joint II is larger than that of the end of the KF vacuum joint II connected with the KF vacuum clamp, and the two ends are transited through an inner diameter reducing section;
a sealing rubber joint is arranged in an inner hole of the KF vacuum joint II, the side wall of the sealing rubber joint corresponds to and is attached to the hole wall of the inner hole of the KF vacuum joint II, and the side wall of the sealing rubber joint at least has a side wall diameter-changing section corresponding to the inner diameter-changing section;
the sealing glue joint is provided with a through gas channel to communicate the outer end and the inner end of the sealing glue joint, a container connecting groove is concavely arranged on the end face of the outer end of the sealing glue joint, the inner side wall of the container connecting groove is matched with the outer side wall of the bottle mouth of the injection glass container to be detected, and the outer end of the gas channel is located in the middle of the bottom surface of the container connecting groove.
2. An interface structure for use in leak testing of an injection glass container as defined in claim 1, wherein: the bottom surface of the container connecting groove is provided with an annular boss which is coaxial with the container connecting groove, the outer diameter of the annular boss is matched with the inner diameter of the bottle mouth of the injection glass container to be detected, and the gas channel extends out of the annular boss and is communicated with the container connecting groove.
3. An interface structure for use in leak testing of an injection glass container as defined in claim 1, wherein: the sealing rubber joint is made of elastic materials, and the inner diameter reducing section is a gradual taper transition section or a step transition section.
4. An interface structure for use in leak testing of an injection glass container as defined in claim 1, wherein: the outer end of the sealing rubber joint is flush with the free end of the KF vacuum joint II, the free end of the KF vacuum joint II is provided with a hole expanding hole, and the depth of the hole expanding hole is smaller than that of the container connecting groove.
5. An interface structure for use in leak testing of an injection glass container as defined in claim 1, wherein: the interface structure further comprises a horizontal workbench, the KF vacuum joint II vertically penetrates through the workbench and is detachably connected with the workbench, the free end of the KF vacuum joint II is located above the workbench, and the KF vacuum hoop and the KF vacuum joint I are located below the work part;
be equipped with vertical lead screw guide rail on the workstation, the top of lead screw guide rail's screw rod is connected with the hand wheel, is connected with supplementary clamp plate on lead screw guide rail's the nut seat, supplementary clamp plate is parallel with the workstation, KF vacuum joint II is located the projection range of supplementary clamp plate on vertical.
6. An interface structure for use in leak testing of an injection glass container as defined in claim 5, wherein: the auxiliary pressing plate is fixedly connected with a rubber cushion on the surface facing the KF vacuum joint II, and the rubber cushion is also laid on the workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121598718.7U CN216050466U (en) | 2021-07-14 | 2021-07-14 | Interface structure for detecting sealing performance of injection glass container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121598718.7U CN216050466U (en) | 2021-07-14 | 2021-07-14 | Interface structure for detecting sealing performance of injection glass container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216050466U true CN216050466U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121598718.7U Active CN216050466U (en) | 2021-07-14 | 2021-07-14 | Interface structure for detecting sealing performance of injection glass container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216050466U (en) |
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2021
- 2021-07-14 CN CN202121598718.7U patent/CN216050466U/en active Active
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