CN114247492B - Rapidly-fixed detection equipment for chemical engineering inspection and use method thereof - Google Patents
Rapidly-fixed detection equipment for chemical engineering inspection and use method thereof Download PDFInfo
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- CN114247492B CN114247492B CN202111589699.6A CN202111589699A CN114247492B CN 114247492 B CN114247492 B CN 114247492B CN 202111589699 A CN202111589699 A CN 202111589699A CN 114247492 B CN114247492 B CN 114247492B
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- gun
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
- B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
- B01L3/0213—Accessories for glass pipettes; Gun-type pipettes, e.g. safety devices, pumps
Abstract
The invention relates to the technical field of chemical inspection, in particular to a rapidly-fixed detection device for chemical inspection and a using method thereof. The detection equipment capable of being fixed quickly for chemical engineering inspection and the use method thereof are characterized in that a gun head of a liquid transfer gun is covered quickly, the gun head cover of the liquid transfer gun is not required to be pulled out and inserted independently manually, the liquid transfer gun can be placed and fixed through one-hand operation, the use is more flexible and convenient, the whole operation can be realized only by controlling the pressing of a trigger set, a user unlocks an operation part while grasping a handle to take liquid and transfer liquid conveniently, otherwise, when the user does not grasp the handle to start the trigger set, the operation part of the liquid transfer gun is locked, the liquid transfer gun is prevented from being touched by mistake and started under collision impact, the whole operation can be realized only by controlling the pressing of the trigger set, the secondary locking of the trigger set can be realized reversely, and all operations in the effects can not be started.
Description
Technical Field
The invention relates to the technical field of chemical engineering inspection, in particular to a rapidly-fixed detection device for chemical engineering inspection and a using method thereof.
Background
The chemical inspection is to use equipment such as chemical analysis instruments and physical and chemical instruments to inspect, detect, test, monitor and analyze reagent solvents, daily chemicals, chemical fertilizers, chemical pesticides, paint dyes, coal coking, finished products, semi-finished products, raw materials and intermediate processes of chemical products such as cement and gas in a sampling inspection mode, and in actual operation, inspectors generally need to use a liquid transfer gun which is one of pipettors and is commonly used for transferring a small amount of or trace liquid in laboratories, and in the experimental processes of biology, medicine, chemistry and the like, a large amount of liquid transfer guns need to be repeatedly applied.
The prior patent (publication number: CN 109999936B) discloses a high-precision quantitative liquid-transferring gun applied to biological/chemical/medical tests and detection, which comprises a gun shell, wherein a liquid-transferring device for quantitatively taking liquid, a liquid amount adjusting device for adjusting the liquid taking amount of the liquid-transferring device and a limiting device for synchronously changing the limiting distance of the liquid-transferring device according to the data change of the liquid amount adjusting device and quantitatively taking liquid from the liquid-transferring device, a holding hole for holding by a user is formed in the gun shell, a mounting sleeve is further arranged on the gun shell, and three mounting sleeves are sequentially arranged along the length direction of the gun shell, and are a first mounting sleeve, a second mounting sleeve and a third mounting sleeve from the gun head to the gun tail. The inventor finds the following problems in the prior art in the process of implementing the invention: 1. the existing pipette can be used or placed and fixed only by manually pulling and inserting the cover head, is troublesome to operate and cannot be operated by a single hand; 2. it only needs to press the control block to the unblock of pipetting gun operation portion can, its insurance effect is relatively poor, and easy mistake is touched.
In view of this, we propose a fast-fixing detection device for chemical inspection and a method of using the same.
Disclosure of Invention
The invention aims to provide a quick-fixing detection device for chemical engineering inspection and a using method thereof, and aims to solve the problems that the existing pipetting gun needs to be manually plugged and unplugged to be used or placed and fixed, is troublesome to operate and cannot be operated by one hand, only a control block needs to be pressed to unlock an operation part of the pipetting gun, the safety effect is poor, and the pipetting gun is easy to touch by mistake in the background technology. In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a chemical industry inspection is with check out test set that can fix fast, includes pipette, end seat and handle, end seat fixed connection is at the top of handle, and the equal fixedly connected with in left side on end seat and handle surface is used for installing the convex seat of pipette, the pipette is fixed to be pegged graft on the convex seat.
The bottom of the handle is provided with a lower cavity communicated with the outside, the inside of the lower cavity and the surface of the pipette are provided with a continuous control kit capable of sliding along the head of the pipette, and the inside of the end seat is movably connected with a sliding lock part for locking the operation part of the pipette.
An inner cavity is formed in the handle, a self-limiting groove communicated with the inner cavity is formed in the inner ring of the surface of the handle, a trigger set for driving the linkage control external member and the sliding lock portion to run is connected to the inside of the self-limiting groove in a sliding mode, a telescopic air bag used for pushing the trigger set outwards is fixedly connected between the trigger set and the inner cavity, and a secondary safety device for locking the trigger set is connected to the right side of the surface of the handle in a rotating mode.
Preferably, the linkage control external member comprises a first metal short column, the first metal short column is vertically and rotatably inserted into the handle, the upper end and the lower end of the first metal short column extend into the inner cavity and the lower cavity respectively, a notch is formed in the lower side of the surface of the trigger set, a tooth groove is formed in the inner wall of the notch, and a tooth-shaped notch disc meshed with the tooth groove is fixedly connected to the top end of the first metal short column.
The inside in inferior position chamber rotates through the wall ring and is connected with metal short column two, the surface activity of metal short column two has cup jointed elastic spiral wire, and elastic spiral wire's both ends joint respectively on metal short column two and wall ring, the equal fixedly connected with intermeshing's cusp breach conical disk one in the right-hand member of metal short column two and the bottom of metal short column one, and the left end fixedly connected with cusp breach conical disk two of metal short column two.
The inner part of the lower cavity is rotatably connected with a first disc, the surface of the first disc is fixedly connected with a toothed ring which is meshed with a toothed notch conical disc, a toothed opening is formed in the outer ring of the first disc, the inner part of the lower cavity is rotatably connected with a second disc, an amplifying toothed disc which is meshed with the toothed opening is convexly arranged in the middle of the surface of the second disc, and an annular notch is formed in the outer ring of the surface of the second disc.
The surface of the gun head of the liquid-transfering gun is movably sleeved with a gun sleeve, the surface of the gun sleeve is provided with an embedding opening matched with the handle, the surface of the handle is provided with a clamping groove embedded with the embedding opening in a sliding mode, and the gun sleeve slides along the surface of the handle through the clamping groove.
The outside portion of cyclic annular notch is located the inlay mouth, and sets up the transverse groove of stirring with cyclic annular notch intermeshing's inside wall in the inlay mouth.
Preferably, the sliding lock part comprises an inner cavity, the inner cavity is arranged in the upper convex seat and the end seat and contains the liquid-transferring gun operation part, the inner part of the inner cavity is connected with a sliding core in a sliding manner, annular grains are arranged on the surface of the liquid-transferring gun operation part, and a grain groove matched with the liquid-transferring gun operation part is arranged on the end surface of the left side of the sliding core.
An inner through groove is formed in the middle of the surface of the sliding core, an inserting plate is fixedly connected to the top of the inner cavity and located in the inner through groove, and an elastic spiral strip is fixedly connected between the inserting plate and the inner through groove.
Preferably, the trigger set comprises a main trigger, the main trigger is connected in the self-limiting groove in a sliding mode, a clamping groove is formed in the main trigger, a safety piece is connected in the clamping groove in a sliding mode, and the telescopic air bag is fixedly connected with the safety piece.
The safety piece is characterized in that a transverse hole communicated with the inner cavity and the inner bore is formed in the end seat, an L connecting rod is connected to the inside of the transverse hole in a sliding mode, the upper end of the safety piece is fixedly connected with the L connecting rod, and the vertical portion on the left side of the L connecting rod is movably inserted into the inner through groove.
Preferably, the second grade insurance includes the nock, the nock is seted up on the right side on handle surface and is communicated with inner bore and cross bore, and the inside rotation of inner bore is connected with the preforming with the gomphosis mutually, the shell fragment that the upper end fixedly connected with of preforming contradicts with the inner bore inner wall, and the top of preforming establishes to the inclined plane.
End grooves are formed in the front side and the rear side of the inner wall of the transverse hole, clamping pins matched with the inclined planes are connected to the inner portions of the end grooves in a sliding mode, and pin openings embedded with the clamping pins are formed in the lower side of the surface of the L-shaped connecting rod.
Preferably, a bearing is embedded at the joint of the first metal stud and the handle.
Preferably, the surface of the tabletting is provided with anti-skid grains.
A use method of a rapid-fixing detection device for chemical engineering inspection comprises the following steps:
s1, a palm penetrates through a handle and is gripped, the tiger mouth part of the palm of a user firstly contacts a pressing sheet in the process, the pressing sheet is pushed to buckle an elastic sheet to rotate towards an inner bore, the clamping pin is pushed to be released by an inclined surface at the top of the pressing sheet, the clamping pin freely slides downwards in an end groove to be released from being embedded with a pin mouth, and therefore the L-shaped connecting rod is unlocked.
S2, in the process, fingers of a user are synchronously pressed into the trigger set along the handle, the fingers firstly contact with the safety piece and push the safety piece to contract along the clamping groove and compress the telescopic air bag, then the main trigger is pushed to slide along the self-limiting groove, the sliding main trigger pulls the toothed notch disc and the metal short column to rotate through the tooth socket on the lower surface of the sliding main trigger, the two toothed notch discs which are meshed with each other are continuously linked with the metal short column to rotate, the elastic spiral metal wire is tightened by the rotating metal short column to store force, the toothed notch disc is pushed by the rotating metal short column to rotate by the toothed notch disc to push the gear ring and the disc, the amplifying gear disc and the disc are pulled to rotate by the gear mouth on the outer ring of the disc to push the transverse groove upwards through the annular notch, so that the gun case is controlled to slide upwards along the clamping groove, and the gun head of the liquid transfer gun is relatively pushed to be used.
S3, when the trigger set is pressed in the operation, the inward-shrinkage safety piece synchronously pushes the L-shaped connecting rod to slide right along the transverse through hole to unlock the sliding core from the inner through groove, at the moment, the elastic spiral strip pushes the sliding core to slide right by taking the inserting plate as a base point to unlock the embedding of the groove and the ring grain, and the operation part of the liquid transfer gun is unlocked, so that a user can unlock the operation part while gripping the handle to conveniently take and transfer liquid, otherwise, when the trigger set is started without gripping the handle by the user, the operation part of the liquid transfer gun is locked, and the liquid transfer gun is prevented from being started by being touched by mistake, collided and impacted.
S4, when the liquid-transfering gun needs to be placed, the trigger set is directly loosened to push, the compressed telescopic air bag pushes the trigger set to return, the elastic spiral metal wire with stored force pushes the short metal column II to rotate, so that the circular disc II rotates anticlockwise to push the gun sleeve to slide down along the clamping groove and return to the position shown in the figure, the gun head of the liquid-transfering gun is quickly covered, the gun head cover of the liquid-transfering gun is not required to be manually and independently pulled out and inserted, meanwhile, the safety piece of the return pushes back the slide core through the L connecting rod to lock the operation part of the liquid-transfering gun, the liquid-transfering gun cannot be started at the moment, and the whole operation can be realized only by pressing the control trigger set.
S5, after the device is completely separated from a palm of a user, due to the lack of pressing on the pressing piece, the elastic piece pushes the pressing piece to return, and pushes the clamping pin to move upwards along the end groove through the inclined surface at the top of the pressing piece until the clamping pin is embedded into the pin hole to lock the L-shaped connecting rod, so that secondary locking of the trigger set is reversely achieved, namely all operations cannot be started under the condition that the handle is not grabbed to press the pressing piece.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the trigger set is pressed into the trigger set along the handle through the conventional action of grasping the handle, the trigger set is pushed upwards through the annular notch after power transmission to stir the transverse groove, so that the gun sleeve is controlled to slide upwards along the clamping groove to open the head of the liquid-transfering gun, when the liquid-transfering gun is placed, the trigger set is directly loosened, the compressed telescopic air bag pushes the trigger set to return, the elastic spiral metal wire with stored force pushes the short metal column II to rotate, the disc II rotates anticlockwise to push the gun sleeve to slide downwards along the clamping groove to return, so that the head of the liquid-transfering gun is quickly covered, the head cover of the liquid-transfering gun is not required to be manually and independently pulled out and inserted, the liquid-transfering gun can be placed and fixed through single-hand operation, the use is more flexible and convenient, and the whole operation can be realized only by controlling the pressing of the trigger set.
According to the invention, when the trigger set is pressed internally, the inward-contracted safety piece synchronously pushes the L-shaped connecting rod to slide rightwards along the transverse through hole to unlock the sliding core from the internal through groove, at the moment, the elastic spiral strip pushes the sliding core to slide rightwards by taking the inserting plate as a base point to unlock the tabbing groove and the ring striation, and the operation part of the liquid transfer gun is unlocked, so that a user can unlock the operation part while gripping the handle to conveniently take and transfer liquid, otherwise, when the user does not grip the handle to start the trigger set, the operation part of the liquid transfer gun is locked, the liquid transfer gun is prevented from being started by being touched by mistake, collided and impacted, and the whole operation can be realized only by controlling the pressing of the trigger set.
In the invention, the secondary safety is arranged on the handle, after the device is completely separated from the palm of a user, due to the lack of pressing on the pressing sheet, the elastic sheet pushes the pressing sheet to return, and pushes the bayonet lock to move upwards along the end groove through the inclined surface at the top of the elastic sheet until the bayonet lock is embedded in the bayonet lock to lock the L-shaped connecting rod, so that secondary locking of the trigger set is realized in a reverse direction, namely all operations cannot be started under the condition that the handle is not grasped to press the pressing sheet.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front sectional view of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2 according to the present invention;
fig. 4 is a perspective view of the holster of fig. 2 according to the present invention;
FIG. 5 is a front cross-sectional view of the trigger assembly of FIG. 2 according to the present invention;
FIG. 6 is a partial front sectional view of the present invention;
fig. 7 is an enlarged view of fig. 6 at B in the present invention.
In the figure: 1. a liquid transferring gun; 2. an end seat; 3. a handle; 4. a boss; 5. a lower cavity; 6. a linkage control suite; 61. a first metal short column; 62. cutting; 63. a tooth socket; 64. a toothed notch disc; 65. a wall ring; 66. a second metal short column; 67. an elastic helical wire; 68. a first toothed notch conical disc; 69. a second toothed notch conical disc; 610. a first disc; 611. a toothed ring; 612. a tooth mouth; 613. a second disc; 614. amplifying the fluted disc; 615. an annular notch; 616. a holster; 617. embedding; 618. a card slot; 619. poking the transverse groove; 7. a slide lock portion; 71. an inner cavity; 72. a sliding core; 73. ring lines; 74. grooving; 75. an inner through groove; 76. inserting plates; 77. an elastic helical strip; 8. an inner bore; 9. a self-limiting groove; 10. a trigger set; 101. a main trigger; 102. a clamping groove; 103. a safety plate; 104. transversely perforating; 105. an L-shaped connecting rod; 11. a telescopic air bag; 12. secondary insurance; 121. an arc opening; 122. tabletting; 123. a spring plate; 124. an inclined surface; 125. an end slot; 126. a bayonet lock; 127. and (4) a pin opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by workers skilled in the art without any inventive work based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: a fast-fixing detection device for chemical engineering inspection comprises a liquid-transferring gun 1, an end seat 2 and a handle 3, wherein the end seat 2 is fixedly connected to the top of the handle 3, the left sides of the surfaces of the end seat 2 and the handle 3 are fixedly connected with a convex seat 4 for mounting the liquid-transferring gun 1, and the liquid-transferring gun 1 is fixedly inserted on the convex seat 4;
the bottom of the handle 3 is provided with a lower cavity 5 communicated with the outside, the inside of the lower cavity 5 and the surface of the pipette 1 are provided with a continuous control suite 6 capable of sliding along the head of the pipette 1, and the inside of the end seat 2 is movably connected with a sliding lock part 7 for locking the operation part of the pipette 1;
an inner cavity 8 is formed in the handle 3, a self-limiting groove 9 communicated with the inner cavity 8 is formed in the inner ring of the surface of the handle 3, a trigger set 10 for driving the linkage control external member 6 and the sliding lock portion 7 to run is connected to the inside of the self-limiting groove 9 in a sliding mode, a telescopic air bag 11 used for pushing the trigger set 10 outwards is fixedly connected between the trigger set 10 and the inner cavity 8, and a secondary safety 12 for locking the trigger set 10 is connected to the right side of the surface of the handle 3 in a rotating mode.
In this embodiment, as shown in fig. 1, 2, 3 and 4, the coupling control kit 6 includes a first metal short column 61, the first metal short column 61 is vertically and rotatably inserted into the handle 3, upper and lower ends of the first metal short column 61 respectively extend into the inner bore 8 and the lower cavity 5, a notch 62 is formed on a lower side of the surface of the trigger set 10, a tooth socket 63 is formed on an inner wall of the notch 62, and a tooth-shaped notch disc 64 engaged with the tooth socket 63 is fixedly connected to a top end of the first metal short column 61;
the interior of the lower cavity 5 is rotatably connected with a second metal short column 66 through a wall ring 65, an elastic spiral metal wire 67 is movably sleeved on the surface of the second metal short column 66, two ends of the elastic spiral metal wire 67 are respectively clamped on the second metal short column 66 and the wall ring 65, the right end of the second metal short column 66 and the bottom end of the first metal short column 61 are fixedly connected with first toothed notch conical disks 68 which are meshed with each other, a sliding main trigger 101 stirs the toothed notch disks 64 and the first metal short columns 61 to rotate through toothed grooves 63 on the lower surface of the main trigger, the first toothed notch conical disks 68 which are meshed with each other are used for continuously linking the second metal short column 66 to rotate, the left end of the second metal short column 66 is fixedly connected with second toothed notch conical disks 69, and the second rotating metal short column 66 tightens up the elastic spiral metal wire 67 to store force;
a first disk 610 is rotatably connected inside the lower cavity 5, a toothed ring 611 meshed with a second toothed notch conical disk 69 is fixedly connected to the surface of the first disk 610, the second rotating metal short column 66 pushes the toothed ring 611 and the first disk 610 to rotate by using the second toothed notch conical disk 69, a tooth opening 612 is formed in the outer ring of the first disk 610, a second disk 613 is rotatably connected inside the lower cavity 5, an amplifying toothed disk 614 meshed with the tooth opening 612 is convexly arranged in the middle of the surface of the second disk 613, the first disk 610 drives the amplifying toothed disk 614 and the second disk 613 to rotate through the tooth opening 612 of the outer ring, and an annular notch 615 is formed in the outer ring of the surface of the second disk 613;
a gun sleeve 616 is movably sleeved on the surface of the gun head of the pipette 1, an embedding opening 617 matched with the handle 3 is formed in the surface of the gun sleeve 616, a clamping groove 618 in sliding embedding with the embedding opening 617 is formed in the surface of the handle 3, and the gun sleeve 616 slides along the surface of the handle 3 through the clamping groove 618;
the outer side part of the annular notch 615 is located in the embedding opening 617, a poking transverse groove 619 which is meshed with the annular notch 615 is formed in the inner side wall of the embedding opening 617, and the clockwise rotating second disc 613 pushes the poking transverse groove 619 upwards through the annular notch 615 so as to control the gun sleeve 616 to slide upwards along the clamping groove 618.
In this embodiment, as shown in fig. 2 and fig. 6, the slide lock portion 7 includes an inner cavity 71, the inner cavity 71 is opened inside the upper boss 4 and the end seat 2 and includes the operation portion of the pipette 1, the inner cavity 71 is slidably connected with a slide core 72, the surface of the operation portion of the pipette 1 is provided with an annular groove 73, and the end surface on the left side of the slide core 72 is provided with a groove 74 adapted to the operation portion of the pipette 1;
an inner through groove 75 is formed in the middle of the surface of the sliding core 72, an inserting plate 76 is fixedly connected to the top of the inner cavity 71, the inserting plate 76 is located in the inner through groove 75, an elastic spiral strip 77 is fixedly connected between the inserting plate 76 and the inner through groove 75, the sliding core 72 is normally pushed by the elastic spiral strip 77 to move back and forth from the operating part of the liquid-transfering gun 1, the inward-retracted safety piece 103 can synchronously push the L-shaped connecting rod 105 to slide right along the transverse through hole 104 to unlock the sliding core 72 from the inner through groove 75, at the moment, the elastic spiral strip 77 pushes the sliding core 72 to slide right by taking the inserting plate 76 as a base point to unlock the embedding of the thread groove 74 and the annular thread 73, and the operating part of the liquid-transfering gun 1 is unlocked.
In this embodiment, as shown in fig. 1, fig. 2, fig. 5, fig. 6, and fig. 7, the trigger set 10 includes a main trigger 101, the main trigger 101 is slidably connected in the self-limiting groove 9, and a fastening groove 102 is formed inside the main trigger 101, a safety disc 103 is slidably connected inside the fastening groove 102, the telescopic airbag 11 is fixedly connected to the safety disc 103, a finger of a user presses the trigger set 10 into the user along the handle 3, the finger first contacts with the safety disc 103 and pushes the safety disc to retract and compress the telescopic airbag 11 along the fastening groove 102, and then the main trigger 101 is pushed to slide along the self-limiting groove 9;
the inside of end seat 2 is seted up the cross bore 104 of intercommunication inner chamber 71 and bore 8, and the inside sliding connection of cross bore 104 has L connecting rod 105, and the upper end and the L connecting rod 105 fixed connection of rupture disc 103, and the left vertical portion activity of L connecting rod 105 is pegged graft in interior logical groove 75.
In this embodiment, as shown in fig. 1, 2, 6 and 7, the secondary fuse 12 includes an arc port 121, the arc port 121 is disposed on the right side of the surface of the handle 3 and is communicated with the bore 8 and the transverse through hole 104, the interior of the bore 8 is rotatably connected with a pressing sheet 122 embedded with the arc port 121, the upper end of the pressing sheet 122 is fixedly connected with a spring sheet 123 abutting against the inner wall of the bore 8, and the top end of the pressing sheet 122 is provided with an inclined surface 124;
end grooves 125 are formed in the front side and the rear side of the inner wall of the transverse through hole 104, bayonet pins 126 matched with the inclined surfaces 124 are connected to the inner portions of the two end grooves 125 in a sliding mode, pin openings 127 matched with the bayonet pins 126 are formed in the lower side of the surface of the L-shaped connecting rod 105, when a user grasps the handle 3 with a palm, the tiger mouth portion can contact the pressing piece 122 and push the pressing piece 122 to bend the elastic piece 123 to rotate towards the inner bore 8, at the moment, the inclined surfaces 124 in the top of the pressing piece 122 release the pushing of the bayonet pins 126 as shown in the drawing, so that the bayonet pins 126 freely slide down in the end grooves 125 to release the matching with the pin openings 127, and the L-shaped connecting rod 105 is unlocked.
In this embodiment, as shown in fig. 2 and 3, a bearing is embedded at a connection between the first metal stud 61 and the handle 3, and the bearing can effectively reduce a friction coefficient of the first metal stud 61 during a movement process, and can ensure rotation accuracy while limiting.
In this embodiment, as shown in fig. 1, 2, 6 and 7, the surface of the pressing sheet 122 is provided with anti-slip lines for improving the friction force when the palm of the user contacts the pressing sheet 122 in a fitting manner, so as to ensure the unlocking stability.
A use method of a detection device capable of being fixed quickly for chemical engineering inspection comprises the following steps:
s1, a palm penetrates through the handle 3 and is gripped, in the process, the tiger' S mouth part of the palm of a user firstly contacts the pressing sheet 122 and pushes the pressing sheet 122 to buckle the elastic sheet 123 to rotate towards the inner bore 8, at the moment, the inclined surface 124 at the top of the pressing sheet 122 releases the pushing of the clamping pin 126 as shown in the figure, so that the clamping pin 126 freely slides downwards in the end groove 125 to release the embedding with the pin mouth 127, and the L-shaped connecting rod 105 is unlocked;
s2, in the process, a user' S finger synchronously presses the trigger set 10 into the trigger set along the handle 3, the finger firstly contacts with the safety piece 103 and pushes the safety piece to retract along the clamping groove 102 and compress the telescopic air bag 11, then the main trigger 101 is pushed to slide along the self-limiting groove 9, the sliding main trigger 101 drives the tooth-shaped notch disc 64 and the first metal short column 61 to rotate through the tooth groove 63 on the lower surface of the sliding main trigger, the two meshed tooth-shaped notch cone discs 68 are used for continuously linking the second metal short column 66 to rotate, the second rotating metal short column 66 tightens the elastic spiral metal wire 67 to store force, the second rotating metal short column 66 drives the tooth ring 611 and the first disc 610 to rotate through the second tooth-shaped notch cone 69, the first disc 610 drives the amplifying tooth disc 614 and the second disc 613 to rotate through the tooth opening 612 on the outer ring of the first disc 610, the second clockwise rotating disc 613 upwards pushes the shifting transverse groove 619 upwards through the annular notch 615, so that the gun sleeve 616 is controlled to slide upwards along the clamping groove 618, and the liquid-moving gun 1 is relatively pushed to be used;
s3, when the trigger set 10 is pressed in the operation, the inward-contracting safety piece 103 synchronously pushes the L-shaped connecting rod 105 to slide rightwards along the transverse through hole 104 to unlock the sliding core 72 from the inner through groove 75, at the moment, the elastic spiral strip 77 pushes the sliding core 72 to slide rightwards by taking the inserting plate 76 as a base point to unlock the embedding of the thread groove 74 and the annular thread 73, and the operation part of the liquid-transferring gun 1 is unlocked, so that a user unlocks the operation part while gripping the handle 3 to conveniently take liquid and transfer liquid, and on the contrary, when the user does not grip the handle 3 to start the trigger set 10, the operation part of the liquid-transferring gun 1 is locked, and the liquid-transferring gun 1 is prevented from being started by being touched by mistake, collided and impacted;
s4, when the pipette 1 needs to be placed, the trigger set 10 is directly released to be pressed, the compressed telescopic air bag 11 pushes the trigger set 10 to return, the elastic spiral metal wire 67 with stored force pushes the second metal short column 66 to rotate, so that the second disc 613 rotates anticlockwise to push the gun sleeve 616 to slide down along the clamping groove 618 to return to the position shown in the figure, the gun head of the pipette 1 is quickly covered, manual independent plugging and unplugging of the gun head cover of the pipette 1 are not needed, meanwhile, the returned safety piece 103 pushes the sliding core 72 back through the L connecting rod 105 to lock the operation part of the pipette 1, at the moment, the pipette 1 cannot be started, and the whole operation can be realized only by controlling the pressing of the trigger set 10;
s5, after the device is completely separated from the palm of the user, due to the lack of pressing on the pressing sheet 122, the elastic sheet 123 pushes the pressing sheet 122 to return, and pushes the clamping pin 126 to move upwards along the end groove 125 through the inclined surface 124 at the top of the pressing sheet until the clamping pin is embedded into the pin opening 127 to lock the L-shaped connecting rod 105, so that secondary locking on the trigger set 10 is reversely achieved, namely all the operations cannot be started under the condition that the handle 3 is not grasped to press the pressing sheet 122.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a chemical industry inspection is with check out test set that can fix fast, includes pipette (1), end seat (2) and handle (3), its characterized in that: the end seat (2) is fixedly connected to the top of the handle (3), the left sides of the surfaces of the end seat (2) and the handle (3) are fixedly connected with a convex seat (4) for mounting a liquid-transferring gun (1), and the liquid-transferring gun (1) is fixedly inserted on the convex seat (4);
a lower cavity (5) communicated with the outside is formed in the bottom of the handle (3), a continuous control suite (6) capable of sliding along the gun head of the liquid-transferring gun (1) is arranged in the lower cavity (5) and on the surface of the liquid-transferring gun (1), and a sliding lock part (7) for locking the operation part of the liquid-transferring gun (1) is movably connected in the end seat (2);
an inner chamber (8) is formed in the handle (3), a self-limiting groove (9) communicated with the inner chamber (8) is formed in an inner ring on the surface of the handle (3), a trigger set (10) for driving the linkage control external member (6) and the sliding lock part (7) to operate is connected to the inside of the self-limiting groove (9) in a sliding mode, a telescopic air bag (11) for pushing the trigger set (10) outwards is fixedly connected between the trigger set (10) and the inner chamber (8), and a secondary safety device (12) for locking the trigger set (10) is rotatably connected to the right side of the surface of the handle (3);
the linkage control kit (6) comprises a first metal short column (61), the first metal short column (61) is vertically and rotatably inserted into the handle (3), the upper end and the lower end of the first metal short column (61) respectively extend into the inner cavity (8) and the lower cavity (5), a notch (62) is formed in the lower side of the surface of the trigger set (10), a tooth groove (63) is formed in the inner wall of the notch (62), and a tooth-shaped notch disc (64) meshed with the tooth groove (63) is fixedly connected to the top end of the first metal short column (61);
the inner part of the lower cavity (5) is rotatably connected with a second metal short column (66) through a wall ring (65), an elastic spiral metal wire (67) is movably sleeved on the surface of the second metal short column (66), two ends of the elastic spiral metal wire (67) are respectively clamped on the second metal short column (66) and the wall ring (65), the right end of the second metal short column (66) and the bottom end of the first metal short column (61) are fixedly connected with a first toothed notch conical disc (68) which is meshed with each other, and the left end of the second metal short column (66) is fixedly connected with a second toothed notch conical disc (69);
a first disk (610) is rotatably connected inside the lower cavity (5), a toothed ring (611) meshed with the second toothed notch conical disk (69) is fixedly connected to the surface of the first disk (610), a toothed opening (612) is formed in the outer ring of the first disk (610), a second disk (613) is rotatably connected inside the lower cavity (5), an amplifying toothed disk (614) meshed with the toothed opening (612) is convexly arranged in the middle of the surface of the second disk (613), and an annular notch (615) is formed in the outer ring of the surface of the second disk (613);
a gun sleeve (616) is movably sleeved on the surface of a gun head of the liquid transferring gun (1), an embedding opening (617) matched with the handle (3) is formed in the surface of the gun sleeve (616), a clamping groove (618) in sliding embedding with the embedding opening (617) is formed in the surface of the handle (3), and the gun sleeve (616) slides along the surface of the handle (3) through the clamping groove (618);
the outer side part of the annular notch (615) is positioned in the embedding opening (617), and the inner side wall of the embedding opening (617) is provided with a shifting transverse groove (619) which is mutually meshed with the annular notch (615);
the sliding lock part (7) comprises an inner cavity (71), the inner cavity (71) is arranged inside the upper convex seat (4) and the end seat (2) and contains the operation part of the liquid-transferring gun (1), the inner part of the inner cavity (71) is connected with a sliding core (72) in a sliding mode, the surface of the operation part of the liquid-transferring gun (1) is provided with annular grains (73), and the end face of the left side of the sliding core (72) is provided with a grain groove (74) matched with the operation part of the liquid-transferring gun (1);
an inner through groove (75) is formed in the middle of the surface of the sliding core (72), an inserting plate (76) is fixedly connected to the top of the inner cavity (71), the inserting plate (76) is located in the inner through groove (75), and an elastic spiral strip (77) is fixedly connected between the inserting plate (76) and the inner through groove (75);
the trigger set (10) comprises a main trigger (101), the main trigger (101) is connected in a self-limiting groove (9) in a sliding mode, a clamping groove (102) is formed in the main trigger (101), a safety piece (103) is connected in the clamping groove (102) in a sliding mode, and the telescopic air bag (11) is fixedly connected with the safety piece (103);
a transverse through hole (104) for communicating the inner cavity (71) with the inner bore (8) is formed in the end seat (2), an L connecting rod (105) is connected to the inside of the transverse through hole (104) in a sliding mode, the upper end of the safety disc (103) is fixedly connected with the L connecting rod (105), and the vertical portion of the left side of the L connecting rod (105) is movably inserted into the inner through groove (75);
the secondary safety device (12) comprises an arc opening (121), the arc opening (121) is formed in the right side of the surface of the handle (3) and is communicated with the inner chamber (8) and the transverse through hole (104), a pressing sheet (122) which is embedded with the arc opening (121) is rotatably connected to the inner portion of the inner chamber (8), an elastic sheet (123) which is abutted against the inner wall of the inner chamber (8) is fixedly connected to the upper end portion of the pressing sheet (122), and the top end of the pressing sheet (122) is provided with an inclined surface (124);
both sides all seted up end slot (125) around the cross bore (104) inner wall, two the inside sliding connection of end slot (125) has bayonet lock (126) with inclined plane (124) cooperatees, the downside on L connecting rod (105) surface is seted up and is blocked pin mouth (127) with bayonet lock (126) looks gomphosis.
2. The fast-fixing detection device for the chemical engineering inspection as claimed in claim 1, wherein: and a bearing is embedded at the joint of the first metal short column (61) and the handle (3).
3. The fast-fixing detection device for the chemical engineering inspection according to claim 1, characterized in that: the surface of the pressing sheet (122) is provided with anti-skid grains.
4. The use method of the fast-fixing detection device for chemical engineering inspection as claimed in claim 1, comprising the steps of:
s1, a palm penetrates through a handle (3) and is gripped, the tiger' S mouth part of the palm of a user firstly contacts a pressing sheet (122) in the process, the pressing sheet (122) is pushed to press a bent elastic sheet (123) to rotate towards an inner bore (8), at the moment, an inclined surface (124) at the top of the pressing sheet (122) releases the pushing of a clamping pin (126), so that the clamping pin (126) freely slides downwards in an end groove (125) to release the embedding with a pin mouth (127), and the L-shaped connecting rod (105) is unlocked;
s2, in the process, a user' S finger synchronously presses the trigger set (10) into the trigger set along the handle (3), the finger firstly contacts with the safety piece (103) and pushes the safety piece to retract inwards along the clamping groove (102) and compress the telescopic air bag (11), then the main trigger (101) is pushed to slide inwards along the self-limiting groove (9), the sliding main trigger (101) pulls the toothed notch disc (64) and the first metal short column (61) to rotate through the toothed groove (63) on the lower surface of the main trigger, the first metal short column (66) is continuously linked with the second metal short column (66) to rotate through the two meshed toothed notch conical discs (68), the second metal short column (66) pulls the elastic spiral metal wire (67) to store force, the second metal short column (66) pushes the toothed ring (611) and the first disc (610) to rotate through the toothed notch conical disc (69), the first disc (610) pulls the amplifying toothed disc (614) and the second disc (610) to rotate through the toothed hole (612) of the outer ring, the second disc (613) pulls the annular notch (615) clockwise, and the second disc (618) pushes the upper slide gun head (619) upwards so as to control the upper slide gun sleeve (1) to be used;
s3, when the trigger set (10) is pressed in the operation, the inward-contracted safety piece (103) synchronously pushes the L-shaped connecting rod (105) to slide rightwards along the transverse through hole (104) to unlock the sliding core (72) from the inner through groove (75), at the moment, the elastic spiral strip (77) pushes the sliding core (72) to slide rightwards by taking the inserting plate (76) as a base point to unlock the embedding of the thread groove (74) and the annular thread (73), and the operation part of the liquid transfer gun (1) is unlocked, so that a user can conveniently take liquid and transfer liquid by unlocking the operation part while gripping the handle (3), and on the contrary, when the trigger set (10) is started by the user without gripping the handle (3), the operation part of the liquid transfer gun (1) is locked, and the liquid transfer gun (1) is prevented from being mistakenly touched, collided and impacted and started;
s4, when the pipette gun (1) needs to be placed, the trigger set (10) is directly released to be pressed, the compressed telescopic air bag (11) pushes the trigger set (10) to return, the elastic spiral metal wire (67) with stored force pushes the short metal column II (66) to rotate, so that the disc II (613) rotates anticlockwise to push the gun sleeve (616) to slide downwards along the clamping groove (618) to return, the gun head of the pipette gun (1) is quickly covered, manual independent pulling and inserting of the gun head cover of the pipette gun (1) is not needed, meanwhile, the returned safety piece (103) pushes the sliding core (72) back through the L connecting rod (105) to lock the operating part of the pipette gun (1), the pipette gun (1) cannot be started at the moment, and the whole operation can be realized only by controlling the pressing of the trigger set (10);
s5, after the palm of a user is completely separated, due to the lack of pressing on the pressing sheet (122), the elastic sheet (123) pushes the pressing sheet (122) to return, and the clamping pin (126) is pushed to move upwards along the end groove (125) through the inclined surface (124) at the top of the pressing sheet until the clamping pin is embedded into the pin inlet (127) to lock the L-shaped connecting rod (105), so that secondary locking on the trigger set (10) is reversely achieved, namely under the condition that the handle (3) is not grasped to press the pressing sheet (122), all the operations cannot be started.
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| CN202111589699.6A CN114247492B (en) | 2021-12-23 | 2021-12-23 | Rapidly-fixed detection equipment for chemical engineering inspection and use method thereof |
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| CN114247492B true CN114247492B (en) | 2023-02-07 |
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| CN116637669B (en) * | 2023-07-21 | 2023-09-19 | 厦门市第五医院(厦门市同民医院) | Exosome production is with extract liquid rifle that moves |
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| CN114247492A (en) | 2022-03-29 |
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