Isolation negative pressure weighing device for high-activity medicine

Abstract

The utility model discloses an isolation negative pressure weighing device for high-activity drugs, and relates to the technical field of weighing devices, the isolation negative pressure weighing device further comprises a cover body, the top of the cover body is fixedly connected with a static pressure box, a plurality of exhaust holes are formed in the bottom of the front surface of the static pressure box in a penetrating manner, the inner side of the cover body is fixedly connected with a fixing plate, and one side of the front surface of the cover body is hinged with a door body through a hinge; through holes are formed in the two sides of the front face of the fixing plate in a penetrating mode, operating mechanisms are arranged in the through holes and comprise operating gloves, the operating gloves are located in the through holes, the outer sides of the operating gloves are fixedly sleeved with mounting rings, and the mounting rings are located on the front face of the fixing plate. A worker can stretch the hand into the cover body to operate on the outer side of the cover body, the worker is prevented from being hurt due to the fact that the worker makes contact with the high-activity medicine, and then the protection performance for the personal safety of the worker is improved conveniently.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of weighing devices, in particular to an isolated negative pressure weighing device for high-activity medicines. BACKGROUND

[0002] The negative pressure weighing device is mainly used for local air purification equipment in places such as pharmaceutical production, microbiological research and scientific experiments. The device can provide a vertical one-way airflow, circulate part of the clean air in the working area, and discharge part of the clean air to the nearby area, so that a negative pressure environment is generated in the working area of the device, the dust and dust in the working area are controlled from spreading to the operation area, the operating personnel are prevented from inhaling harmful substances such as medicine powder or gas operated by the operating personnel, and a high-cleanliness environment in the working area is ensured.

[0003] The document with the prior art announcement number CN210947922U provides a negative pressure weighing chamber. By arranging the exhaust net, the inside of the negative pressure weighing chamber forms a stable semi-ventilation sealing structure as a whole, which is conducive to forming a complete negative pressure state, facilitating normal use during actual application and use, and enhancing the structural stability. By arranging the unidirectional centrifugal fan and additionally arranging the directional speed regulating fan, the internal air pressure is quickly discharged from the exhaust net through the negative pressure cavity, a stable weighing space is formed, the weighing accuracy of the weighing area is effectively improved, and the overall use effect and working performance are improved.

[0004] Although the device has many beneficial effects, it still has the following problems: when the staff performs the weighing work, the staff is difficult to operate outside the cover body, so that the staff is easily injured by contacting the high-activity medicine, and the protection performance for the personal safety of the staff is easily reduced. In view of this, the application provides an isolated negative pressure weighing device for high-activity medicines. Content of the utility model

[0005] The application provides an isolated negative pressure weighing device for high-activity medicines, which solves the technical problem that in the prior art, when the staff performs the weighing work, the staff is difficult to operate outside the cover body, so that the staff is easily injured by contacting the high-activity medicine, and the protection performance for the personal safety of the staff is easily reduced. When the staff needs to perform the weighing work on the high-activity medicine, the staff can operate by putting the hand into the cover body outside the cover body, the staff is prevented from being injured by contacting the high-activity medicine, and the protection performance for the personal safety of the staff is improved.

[0006] The application provides an isolated negative pressure weighing device for high-activity medicines, which solves the technical problem that in the prior art, when the staff performs the weighing work, the staff is difficult to operate outside the cover body, so that the staff is easily injured by contacting the high-activity medicine, and the protection performance for the personal safety of the staff is easily reduced. When the staff needs to perform the weighing work on the high-activity medicine, the staff can operate by putting the hand into the cover body outside the cover body, the staff is prevented from being injured by contacting the high-activity medicine, and the protection performance for the personal safety of the staff is improved.

[0007] The cover body top is fixedly connected with a static pressure box, a plurality of exhaust holes are arranged on the front bottom of the static pressure box, the cover body inner side is fixedly connected with a fixed plate, the cover body front side is hingedly connected with a door body, the fixed plate front side is provided with through holes, and an operating mechanism is arranged in the through holes.

[0008] The operating mechanism comprises an operating glove, the operating glove is located in the through hole, and an installation ring is fixedly arranged on the outer side of the operating glove.

[0009] By adopting the above technical scheme, when the staff needs to weigh the solid preparation high active substance, the staff can put his hand into the cover body to operate, which avoids the staff from being hurt by contacting the high active medicine, and further improves the protection performance of the staff's personal safety.

[0010] Optionally, the fixed plate front side is fixedly connected with a horizontal plate, the horizontal plate bottom is provided with a sliding groove, the sliding groove is slidably connected with a sliding block, the sliding block bottom is fixedly connected with a sliding plate, the sliding plate side is slidably connected with a sliding rod, one end of the sliding rod is fixedly connected with an abutting ring for abutting the installation ring, and the abutting ring and the sliding plate are fixedly connected with a spring.

[0011] By adopting the above technical scheme, the staff can quickly release the positioning of the installation ring, and when the operating glove is damaged, the staff can quickly disassemble, replace and assemble the installation ring and the operating glove.

[0012] Optionally, the installation ring front side is fixedly connected with a positioning rod, and the abutting ring front side is provided with positioning holes matched with the positioning rod.

[0013] By adopting the above technical scheme, when the staff abuts the abutting ring and the installation ring, the positioning rod can enter the inside of the positioning hole, so that the abutting ring is sleeved on the outside of the positioning rod, and the installation ring and the operating glove are prevented from rotating randomly.

[0014] Optionally, the fixed plate front side is provided with a slot, the installation ring back side is fixedly connected with a grommet, and the grommet is located in the slot.

[0015] By adopting the above technical scheme, when the abutting ring and the installation ring abut, the spring is in an incomplete rebound state, so that the abutting ring can abut and press the grommet, the grommet is deformed and expanded, and the gap between the installation ring and the fixed plate is fully sealed.

[0016] Optionally, one side of the fixed plate is fixedly connected with a gasket for matching the door body, and the gasket has an L-shaped cross section.

[0017] By adopting the above technical scheme, by setting the gasket, when the staff closes the door body, the door body can be overlapped on the gasket, thereby facilitating the sealing treatment of the gap between the door body and the fixed plate.

[0018] Optionally, a ventilation groove is formed through the front bottom of the fixed plate, a connecting groove is formed in the inner wall of the ventilation groove at the top, bottom and one side, and an adjusting plate is slidably connected in the connecting groove.

[0019] By adopting the above technical scheme, by setting the connecting groove and the adjusting plate, the staff can conveniently adjust the air inlet, so that the negative pressure is formed in the cover body.

[0020] Optionally, a supporting frame is fixedly connected to the inner side of the static pressure tank, a fan for air extraction is installed in the supporting frame, an installation groove is formed through the back of the cover body and the front of the static pressure tank, a primary filter is fixedly connected in the installation groove, a medium-efficiency filter is fixedly connected to the inner side of the static pressure tank, the medium-efficiency filter is located on one side of the primary filter, and a high-efficiency filter is fixedly connected to the inner side of the static pressure tank.

[0021] By adopting the above technical scheme, by setting the fan, the primary filter, the medium-efficiency filter and the high-efficiency filter, the gas can be fully filtered.

[0022] Optionally, a fixing groove is formed through the top of the cover body and the inner wall top of the static pressure tank, and a uniform flow film is fixedly connected in the fixing groove.

[0023] By adopting the above technical scheme, after the gas passes through the high-efficiency filter, a small part is discharged through the exhaust hole, and most of the gas passes through the high-efficiency filter and then passes through the uniform flow film to circulate in the cover body, so that the negative pressure is formed in the cover body, and the weighing work of the high-active medicine is facilitated.

[0024] The one or more technical solutions provided in the embodiments have at least the following technical effects or advantages:

[0025] 1. By setting the operating mechanism, when the staff needs to weigh the high-active solid preparation, the staff can put his hand into the cover body to operate outside the cover body, so as to avoid personal contact with the high-active medicine and thus improve the protection performance of personal safety of the staff.

[0026] 2. By setting the sliding block, the sliding groove, the sliding plate, the spring and the abutting ring, the staff can quickly release the positioning of the mounting ring, and when the operating glove is damaged, the staff can quickly disassemble and replace the mounting ring and the operating glove.

[0027] 3. By setting the slot, spacer ring, sliding plate, abutment ring and spring, when the abutment ring abuts with the mounting ring, the spring is in an incomplete rebound state, so that the abutment ring can abut with the mounting ring to extrude the spacer ring, so that the spacer ring is deformed and expanded, thereby fully sealing the gap between the mounting ring and the fixed plate. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a first perspective view of the overall structure of an isolated negative pressure weighing device for high-activity drugs according to an embodiment of the present application.

[0029] Figure 2 It is a second perspective view of the overall structure of an isolated negative pressure weighing device for high-activity drugs according to an embodiment of the present application.

[0030] Figure 3 It is a cross-sectional structure diagram of the cover and static pressure tank of an isolated negative pressure weighing device for high-activity drugs according to an embodiment of the present application.

[0031] Figure 4 It is a connection structure diagram of the mounting ring and the positioning rod of an isolated negative pressure weighing device for high-activity drugs according to an embodiment of the present application.

[0032] Figure 5 It is a connection structure diagram of the sliding rod and the abutment ring of an isolated negative pressure weighing device for high-activity drugs according to an embodiment of the present application.

[0033] Figure 6 It is a cross-sectional structure diagram of the mounting ring and the spacer ring of an isolated negative pressure weighing device for high-activity drugs according to an embodiment of the present application.

[0034] Figure 7 It is a structure diagram of the spacer strip of an isolated negative pressure weighing device for high-activity drugs according to an embodiment of the present application.

[0035] Figure 8 It is a split structure diagram of the adjusting plate and the fixed plate of an isolated negative pressure weighing device for high-activity drugs according to an embodiment of the present application.

[0036] Explanation of reference numerals in the drawing: 1, cover; 2, door body; 3, operating mechanism; 31, mounting ring; 32, operating glove; 33, cross plate; 34, sliding block; 35, sliding plate; 36, sliding rod; 37, abutment ring; 38, positioning rod; 39, spring; 4, fixed plate; 5, static pressure tank; 6, support bracket; 7, adjusting plate; 8, fan; 9, high-efficiency filter; 10, spacer strip; 11, spacer ring; 12, primary efficiency filter; 13, medium efficiency filter; 14, uniform flow membrane. DETAILED DESCRIPTION

[0037] The application will be further described in detail below with reference to the accompanying drawings.

[0038] With reference to Figure 1 , Figure 2 and Figure 3 , the application discloses an isolated negative pressure weighing device for high-activity drugs. The isolated negative pressure weighing device for high-activity drugs comprises a cover body 1.

[0039] A static pressure tank 5 is fixedly connected to the top of the cover body 1, a plurality of air outlet holes are formed in the front bottom of the static pressure tank 5, a fixed plate 4 is fixedly connected to the inner side of the cover body 1, and a door body 2 is hingedly connected to one side of the front of the cover body 1. In the case of maintenance, the staff can open the door body 2 to enter the inner side of the cover body 1, which facilitates the staff to detect and maintain, and through holes are formed in the front of both sides of the fixed plate 4, and an operating mechanism 3 is arranged in the through holes.

[0040] The operating mechanism 3 comprises an operating glove 32, and the operating glove 32 is located in the through hole. An installation ring 31 is fixedly arranged on the outer side of the operating glove 32, and the installation ring 31 is located on the front of the fixed plate 4. Therefore, the staff can stand outside the cover body 1 to perform daily operation by inserting the hand into the inner side of the cover body 1 through the glove on the panel, and the staff can operate without entering the inner side of the cover body 1, so that the staff is prevented from being injured by contacting the high-activity drugs.

[0041] With reference to Figure 1 and Figure 2 , the door body 2 and the fixed plate 4 are made of tempered glass, so that the staff can observe the situation in the inner side of the cover body 1.

[0042] With reference to Figure 2 and Figure 3 , the size of the installation ring 31 is greater than the size of the inner side of the through hole, so that the installation ring 31 is prevented from entering the inner side of the through hole.

[0043] With reference to Figure 2 , Figure 4 and Figure 5 , the fixed plate 4 is fixedly connected with a horizontal plate 33 on the front of both sides, the horizontal plate 33 is provided with a sliding groove in the bottom, a sliding block 34 is slidably connected in the sliding groove, the sliding block 34 is fixedly connected with a sliding plate 35 in the bottom, the sliding plate 35 is slidably connected with a sliding rod 36 on one side, the sliding rod 36 is fixedly connected with an abutting ring 37 for abutting the installation ring 31 on one end, and the abutting ring 37 and the sliding plate 35 are fixedly connected with a spring 39, so that the installation ring 31 is positioned, and the staff can quickly disassemble and assemble the operating glove 32.

[0044] With reference to Figure 2 , Figure 4 and Figure 5The slider 34 and the sliding groove are both in T-shaped cross section, so as to prevent the slider 34 from being separated from the sliding groove.

[0045] Referring to Figure 5 and Figure 6 , the mounting ring 31 is fixedly connected with the positioning rod 38 on the two sides of the front surface, and the abutting ring 37 is provided with the positioning hole on the two sides of the front surface, so as to make the positioning rod 38 enter the positioning hole and prevent the operating glove 32 from rotating with the mounting ring 31.

[0046] Referring to Figure 2 and Figure 5 , the sliding rod 36 is in T-shaped cross section, so as to facilitate the staff to pull the sliding rod 36 to drive the abutting ring 37 to move.

[0047] Referring to Figure 2 and Figure 6 , the front surface of the fixed plate 4 is provided with the groove, and the mounting ring 31 is fixedly connected with the grommet 11 on the back surface, and the grommet 11 is located in the groove, so as to seal the gap between the mounting ring 31 and the fixed plate 4.

[0048] Referring to Figure 6 and Figure 8 , the groove is annular, the cross section of the grommet 11 is isosceles trapezoidal, the size of the side of the grommet 11 close to the mounting ring 31 is greater than the size of the side away from the mounting ring 31, the size of the side of the grommet 11 close to the mounting ring 31 is greater than the size of the inner side of the groove, and the size of the side of the grommet 11 away from the mounting ring 31 is less than the size of the inner side of the groove, so that the grommet 11 cannot completely enter the inner side of the groove, and when the mounting ring 31 is abutted by the abutting ring 37 and the spring 39, the grommet 11 is extruded and expanded, so as to seal the gap between the mounting ring 31 and the fixed plate 4.

[0049] Referring to Figure 1 and Figure 7 , the fixed plate 4 is fixedly connected with the gasket 10 on one side for cooperation with the door body 2, and the cross section of the gasket 10 is L-shaped, so as to seal the gap between the door body 2 and the fixed plate 4.

[0050] Referring to Figure 1 and Figure 7 , the gasket 10 and the grommet 11 are both made of rubber material, so as to ensure the sealing effect of the gasket 10 and the grommet 11.

[0051] Referring to Figure 1 and Figure 8 , the front surface of the fixed plate 4 is provided with the ventilation groove, and the inner wall of the ventilation groove is provided with the connecting groove on the top, the bottom and one side, and the adjusting plate 7 is slidably connected in the connecting groove, so as to adjust the size of the air inlet by the staff, conveniently adjust the air volume, and form negative pressure in the cover body 1.

[0052] With reference to Figure 1 and Figure 8 , the front side of the adjusting plate 7 is fixedly connected with a handle, which facilitates the staff to move the adjusting plate 7.

[0053] With reference to Figure 1 and Figure 3 , the inner side of the static pressure box 5 is fixedly connected with a supporting frame 6, and the inner side of the supporting frame 6 is installed with a fan 8 for air extraction, which is connected with an external controller and a power supply, which is a prior art and will not be described here. The back of the cover body 1 and the front of the static pressure box 5 are both provided with an installation slot, and the installation slot is fixedly connected with a primary filter 12. The inner side of the static pressure box 5 is fixedly connected with a medium filter 13, which is located on one side of the primary filter 12. The inner side of the static pressure box 5 is fixedly connected with a high-efficiency filter 9 at the top, and the bottom of the high-efficiency filter 9 is higher than the top of the inner wall of the exhaust hole, so that the gas can be filtered and partially discharged through the exhaust hole.

[0054] With reference to Figure 1 and Figure 3 , the top of the cover body 1 and the inner wall of the static pressure box 5 are both provided with a fixing slot, and the fixing slot is fixedly connected with a uniform flow film 14. When the staff opens the adjusting plate 7, the gas enters the inner side of the cover body 1 through the ventilation slot, and then passes through the primary filter 12, the medium filter 13 and the high-efficiency filter 9. After the gas passes through the high-efficiency filter 9, a small part of the gas is discharged through the exhaust hole, and most of the gas is circulated in the cover body 1 through the uniform flow film 14 after passing through the high-efficiency filter 9, so that a negative pressure is formed in the cover body 1, which facilitates the weighing of the high-activity medicine.

[0055] With reference to Figure 1 and Figure 2 , the cross section of the static pressure box 5 is in the shape of an inverted L.

[0056] The implementation principle of the isolation negative pressure weighing device for high-activity drugs provided in the embodiment of the application is as follows: when the staff needs to perform a weighing operation, the staff can place the operation glove 32 into the through hole, so that the mounting ring 31 is placed on the front surface of the fixed plate 4, and then the staff inserts the gasket ring 11 away from one side of the mounting ring 31 into the slot, and then the staff can pull the sliding rod 36 to drive the abutting ring 37 to move and extrude the spring 39, so that the spring 39 is in a compressed state, and then the staff moves the sliding plate 35 to drive the sliding rod 36 and the abutting ring 37 to move, and the sliding plate 35 can drive the sliding block 34 to move in the sliding groove when the sliding plate 35 moves, so that the sliding plate 35, the sliding rod 36 and the abutting ring 37 can move along the direction of the sliding groove, and when the sliding block 34 moves to a position abutting against one side of the inner wall of the sliding groove, the staff can release the sliding rod 36, so that the extruded spring 39 rebounds, thereby driving the abutting ring 37 to move towards the mounting ring 31, until the abutting ring 37 abuts against the mounting ring 31, at this time, the positioning rod 38 also enters the positioning hole, and the positioning of the mounting ring 31 is completed, because the abutting ring 37 abuts against the mounting ring 31, at this time, the spring 39 is in an incomplete rebound state and remains in a compressed state, so that the mounting ring 31 can be tightly abutted, so that the gasket ring 11 is extruded to deform, thereby fully sealing the risk between the mounting ring 31 and the fixed plate 4, and then the staff can perform a weighing operation on the high-activity drugs in the cover body 1 outside the cover body 1 through the operation glove 32.

[0057] The embodiment of the application provides a kind of for high-activity drug's isolation negative pressure weighing device, by setting operation mechanism 3, when staff needs to weigh solid preparation high-activity substance, staff can reach into cover body 1 inside and operate outside cover body 1, avoid staff personal contact high-activity drug and be injured, to further facilitate the protection performance of staff personal safety is improved.

[0058] The electrical components in this document are all connected with the main controller and 220V mains electricity, and the main controller can be a conventional known device such as a computer, and by connecting all electrical components in this case with their adapted power supply through wires, and the appropriate controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should be referred to the working order of the above-mentioned working principle to complete the electrical connection, and the detailed connection means is a known technology in the art, so the electrical control is not described.

Claims

1. An isolated negative pressure weighing device for high active drugs, comprising a housing, characterized in that: The utility model relates to a static pressure box of static pressure box type air supply device for the laboratory, including: The fixed plate positive side both sides are equipped with the through -hole, and the through -hole is equipped with operating mechanism; The fixed plate positive side both sides are equipped with the through -hole, and the through -hole is equipped with operating mechanism; 2. The isolated negative pressure weighing device for high active drugs according to claim 1, characterized in that, The fixed plate positive side both sides are equipped with the through -hole, and the through -hole is equipped with operating mechanism; 3. The isolated negative pressure weighing device for high active drugs according to claim 2, characterized in that, The fixed plate positive side both sides are equipped with the through -hole, and the through -hole is equipped with operating mechanism; 4. The isolated negative pressure weighing device for high active drugs according to claim 3, characterized in that: The fixed plate one side is equipped with the gasket strip for the door body cooperation, and the gasket strip section is L shape.

5. The isolated negative pressure weighing device for high active pharmaceuticals as claimed in claim 4, wherein: The fixed plate positive bottom is equipped with the ventilation groove, the ventilation groove inner wall top, bottom and one side are equipped with the connecting groove, and the connecting groove is equipped with the adjusting plate of sliding connection.

6. The isolated negative pressure weighing device for high active pharmaceuticals as claimed in claim 1, wherein: The static pressure box inside fixed connection has the bracket of bearing, the bracket inside installation is used for the fan of the air draft, the cover back and static pressure box positive both sides are equipped with the installation groove, and the installation groove is equipped with the primary filter of fixed connection, the static pressure box inside fixed connection has the medium -efficiency filter, the medium -efficiency filter is located the primary filter one side, the static pressure box inside top fixed connection has the high -efficient filter.

7. The isolated negative pressure weighing device for high active pharmaceuticals as claimed in claim 6, wherein: The cover top and static pressure box inner wall top both sides are equipped with the fixed slot, and the fixed slot is equipped with the uniform flow film of fixed connection.

8. The isolated negative pressure weighing device for high active pharmaceuticals as claimed in claim 7, wherein: ​

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