CN111003479A - Feeding slide block and full-automatic sample feeding device - Google Patents
Feeding slide block and full-automatic sample feeding device Download PDFInfo
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- CN111003479A CN111003479A CN201911341558.5A CN201911341558A CN111003479A CN 111003479 A CN111003479 A CN 111003479A CN 201911341558 A CN201911341558 A CN 201911341558A CN 111003479 A CN111003479 A CN 111003479A
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- feeding
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- sealing ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
本发明提供了一种进料滑块及全自动进样装置，涉及进样器技术领域，本发明提供的进料滑块包括滑块本体、驱动机构以及设于驱动机构端面的密封圈，滑块本体具有第一进料通道以及移动槽，密封圈位于移动槽内，驱动机构与滑块本体滑动连接，以带动密封圈靠近或远离移动槽的开口。本发明提供的进料滑块中封圈的位置并不是固定的，可以根据需要移动密封圈，使得密封圈与密封面之间没有摩擦力，提高密封圈的寿命。
The invention provides a feeding slider and an automatic sample feeding device, which relate to the technical field of sample injectors. The feeding slider provided by the invention includes a slider body, a driving mechanism and a sealing ring arranged on the end face of the driving mechanism. The block body has a first feeding channel and a moving groove, the sealing ring is located in the moving groove, and the driving mechanism is slidably connected with the slider body to drive the sealing ring close to or away from the opening of the moving groove. The position of the sealing ring in the feeding slider provided by the present invention is not fixed, and the sealing ring can be moved as required, so that there is no friction between the sealing ring and the sealing surface, and the service life of the sealing ring is improved.
Description
Technical Field
The invention relates to the technical field of sample injectors, in particular to a feeding slide block and a full-automatic sample injection device.
Background
The sample injector in the market at present adopts manual lofting or ball valve sealing ring sample injection. The manual lofting efficiency is low, the manual operation is needed, and automatic sample introduction cannot be realized; the ball valve seals and advances the appearance and can realize autoinjection, but the sealing washer often takes place the friction with slider body guide rail in the use, and the sealing washer loss is too fast.
Therefore, how to provide a feeding slide block and a full-automatic sample feeding device capable of effectively reducing the loss of a sealing ring is one of the technical problems to be solved by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a feeding sliding block and a full-automatic sampling device, which can ensure that no friction force exists between a sealing ring and a sealing surface, and prolong the service life of the sealing ring.
In order to achieve the purpose, the invention provides the following technical scheme:
in a first aspect, the invention provides a feeding sliding block, which includes a sliding block body, a driving mechanism, and a sealing ring disposed on an end surface of the driving mechanism, wherein the sliding block body has a first feeding channel and a moving groove, the sealing ring is located in the moving groove, and the driving mechanism is slidably connected to the sliding block body to drive the sealing ring to approach or be away from an opening of the moving groove.
Further, the driving mechanism includes a moving plug and an elastic member;
the elastic piece is clamped between the moving plug and the sliding block body;
the sealing ring is connected with the end face of the movable plug, an air inlet cavity is formed between the movable plug and the movable groove, the movable plug is provided with an air hole communicated with the air inlet cavity, and the air hole is used for ventilating the air inlet cavity so that the movable plug can overcome the elasticity of the elastic piece and slide relative to the sliding block body.
Further, the elastic member is a spring.
Furthermore, the slider body still has the elastic component installation cavity, elastic component one end with elastic component installation cavity bottom offsets, the other end with the removal stopper body is kept away from the one end of sealing washer offsets.
Further, remove the stopper including removing stopper body and locating part, the sealing washer with the terminal surface that removes the stopper body is connected, the locating part with remove the stopper body and keep away from the one end of sealing washer is connected, the elastic component with the tip of locating part offsets.
Further, the slider body includes the slide and with the apron that the slide is connected, the apron with form between the slide the elastic component installation cavity.
Further, a sealing element is arranged between the sliding seat and the cover plate.
In a second aspect, the invention further provides a full-automatic sample introduction device, which comprises a first driver, a material purging mechanism and the feeding slide block;
the sliding block body is connected with the material purging mechanism in a sliding mode, an opening of the moving groove faces the material purging mechanism, and the material purging mechanism is used for receiving the material in the first feeding channel and purging inert gas to the material;
the first driver is connected with the sliding block body and used for driving the sliding block body to slide relative to the material purging mechanism.
Further, the material blowing mechanism comprises a feeding slide block guide rail and a blanking receiving assembly;
the slider body is connected with the feeding slider guide rail in a sliding mode, and the feeding slider guide rail is provided with a second feeding channel and a gas carrying port used for blowing inert gas to the second feeding channel;
the blanking receiving assembly is connected with the feeding slide block guide rail and used for receiving or releasing the materials in the second feeding channel.
Furthermore, the blanking receiving assembly comprises a blanking separation blade and a second driver, the blanking separation blade is in sliding connection with the feeding slide block guide rail, the second driver is connected with the blanking separation blade, and the second driver is used for driving the blanking separation blade to slide relative to the feeding slide block guide rail so as to release or block the discharge hole of the second feeding channel.
The feeding slide block and the full-automatic sample feeding device provided by the invention can have the following beneficial effects:
when using above-mentioned feeding slider, at first feed channel receives the material, removes the slider body afterwards to in changeing the material and arranging to other mechanisms, before removing, the opening of shifting chute is kept away from to actuating mechanism drive sealing washer, avoids sealing washer and the outer mechanism of shifting chute to take place the friction, realizes when the slider body that the material is transported and is returned to initial position static back, and actuating mechanism drive sealing washer is close to the opening of shifting chute, makes the sealing washer offset with the outer mechanism of shifting chute, realizes that the gas circuit is sealed.
Compared with the prior art, the position of the sealing ring in the feeding sliding block provided by the first aspect of the invention is not fixed, when the sliding block body moves, the sealing ring can be driven by the driving mechanism to be away from the opening of the moving groove, so that the sealing ring is prevented from being worn, when the air channel needs to be sealed, the sealing ring is driven by the driving mechanism to be close to the opening of the moving groove, so that no friction force exists between the sealing ring and the sealing surface, the sealing ring is not influenced by the friction force in the process of moving the sliding block body back and forth, and the service life of the sealing ring is prolonged.
The full-automatic sampling device provided by the second aspect of the invention comprises a first driver, a material purging mechanism and the feeding slide block. When the material purging device is used, the driving mechanism drives the sealing ring to be not abutted to the material purging mechanism, then the first driver drives the slider body to slide relative to the material purging mechanism, the material is discharged in a rotating mode, after the material is discharged to the material purging mechanism in a rotating mode, the material purging mechanism purges inert gas towards the material, the slider body returns to the initial position after purging is finished, then the driving mechanism drives the sealing ring to be abutted to the material purging mechanism, and therefore the gas circuit is sealed. Compared with the prior art, the full-automatic sampling device can prolong the service life of the sealing ring, and effectively protects the sealing ring.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of an internal structure of a feeding block when a driving mechanism provided by an embodiment of the present invention is at a first limit position;
FIG. 2 is a schematic view of the internal structure of the feeding slide block when the driving mechanism is at the second limit position according to the embodiment of the present invention;
FIG. 3 is a schematic three-dimensional structure diagram of the full-automatic sample injection device provided by the invention;
fig. 4 is a schematic view of an internal structure of the full-automatic sample injection device provided by the invention.
Icon: 1-a slider body; 11-a first feed channel; 12-a spring mounting cavity; 13-a slide; 14-a cover plate; 2-a drive mechanism; 21-a mobile plug; 211-air holes; 212 — moving the plug body; 213-a limit stop; 22-an elastic member; 3-sealing ring; 4-an air inlet cavity; 5-a seal; 6-a first driver; 61-a first cylinder; 62-a first piston; 63-a first air inlet; 64-a second air inlet; 7-a material purging mechanism; 71-a feed slide guide; 711-a second feed channel; 712-a carrier port; 72-a blanking receiving assembly; 721-blanking blocking sheet; 722-a second driver; 7221-a second cylinder; 7222-a second piston; 7223-a third air inlet; 7224-a fourth air inlet; 8-screw.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
FIG. 1 is a schematic diagram of an internal structure of a feeding block when a driving mechanism provided by an embodiment of the present invention is at a first limit position; FIG. 2 is a schematic view of the internal structure of the feeding slide block when the driving mechanism is at the second limit position according to the embodiment of the present invention; FIG. 3 is a schematic three-dimensional structure diagram of the full-automatic sample injection device provided by the invention; fig. 4 is a schematic view of an internal structure of the full-automatic sample injection device provided by the invention.
An embodiment of the first aspect of the present invention provides a feeding slider, as shown in fig. 1 and fig. 2, including a slider body 1, a driving mechanism 2, and a sealing ring 3 disposed on an end surface of the driving mechanism 2, where the slider body 1 has a first feeding channel 11 and a moving groove, the sealing ring 3 is located in the moving groove, and the driving mechanism 2 is slidably connected to the slider body 1 to drive the sealing ring 3 to approach or depart from an opening of the moving groove.
When using above-mentioned feeding slider, at first inlet channel 11 receives the material, remove slider body 1 afterwards to in changeing the material and arranging to other mechanisms, before removing, the opening of shifting chute is kept away from to actuating mechanism 2 drive sealing washer 3, avoid sealing washer 3 and the mechanism outside the shifting chute to take place the friction, realize that the material transports and return to initial position static back when slider body 1, actuating mechanism 2 drive sealing washer 3 is close to the opening of shifting chute, make sealing washer 3 offset with the mechanism outside the shifting chute, realize that the gas circuit is sealed.
Compared with the prior art, the position of the sealing ring in the feeding sliding block provided by the embodiment of the first aspect of the invention is not fixed, when the sliding block body moves, the driving mechanism can drive the sealing ring to be away from the opening of the moving groove, so that the sealing ring is prevented from being worn, when the air channel needs to be sealed, the driving mechanism can drive the sealing ring to be close to the opening of the moving groove, so that no friction force exists between the sealing ring and the sealing surface, the sealing ring is not influenced by the friction force in the process of moving the sliding block body back and forth, and the service life of the sealing ring is prolonged.
It should be noted that any structure capable of driving the sealing ring 3 to approach or depart from the opening of the moving groove may be the driving mechanism 2 mentioned in the above embodiment. The driving mechanism 2 may be a linear motion mechanism such as a pneumatic cylinder, a hydraulic cylinder, a linear motor, etc., or a combination of a rotary motion mechanism such as a motor, etc. and a rod set, so as to convert the rotary motion of the motor into linear motion.
In some embodiments, as shown in fig. 1 and 2, in order to make the structure of the above-described drive mechanism simpler, the drive mechanism 2 includes a moving plug 21 and an elastic member 22; the elastic member 22 is interposed between the moving plug 21 and the slider body 1 for applying an elastic force to the moving plug 21; the seal ring 3 is connected with the end face of the movable plug 21, an air inlet cavity 4 is formed between the movable plug 21 and the movable groove, the movable plug 21 is provided with an air hole 211 communicated with the air inlet cavity 4, and the air hole 211 is used for ventilating the air inlet cavity 4 so that the movable plug 21 slides relative to the slider body 1 against the elastic force of the elastic piece 22.
When the movable plug 21 needs to move, air can be introduced into the air inlet cavity 4 through the air hole 211, at the moment, the air pressure in the air inlet cavity 4 is increased, the pressure of the air overcomes the elasticity of the elastic piece 22 to push the movable plug 21 to move, and the movement of the movable plug 21 is realized; when the plug 21 needs to be moved to return to the initial state, the air hole 211 is in a pressure relief state, the air pressure in the air inlet cavity 4 is reduced, and the plug 21 is moved to return to the initial state under the action of the elastic force of the elastic element 22. The driving mechanism 2 and the slider body 1 form the air inlet cavity 4 together, and the driving mechanism 2 does not need to be additionally provided with a cavity for containing air, so that the structure of the driving mechanism 2 is simplified.
Specifically, in order to make air intake chamber 4 have better sealed effect, be equipped with the sealing strip on removing stopper 21, the sealing strip can compensate the clearance of removing between stopper 21 and the slider body 1, guarantees air intake chamber 4's leakproofness.
Wherein, the elastic component can be a spring, an elastic bag coated with elastic materials and other structures.
In at least one embodiment, in order to enable the elastic member 22 to forcefully move the moving plug 21, the elastic member 22 is a spring, and may be a coil spring.
In some embodiments, the slider body 1 further has an elastic element installation cavity 12, and one end of the elastic element 22 abuts against the bottom of the elastic element installation cavity 12, and the other end abuts against one end of the movable plug 21 away from the sealing ring 3.
The elastic member 22 is sleeved on one end of the moving plug 21 away from the sealing ring 3, as shown in fig. 1, a certain distance is provided between the sealing ring 3 and the opening of the moving groove under the support of the elastic member 22; when the air path sealing is needed, air is introduced into the air inlet cavity 4 through the air hole 211, at the moment, the air pressure in the air inlet cavity 4 is increased, as shown in fig. 2, the pressure of the air overcomes the elastic force of the elastic piece 22 to push the movable plug 21 downwards, so that the elastic piece 22 on the movable plug 21 can be abutted against a mechanism outside the movable groove, and the air path sealing is realized.
It should be noted that, as shown in fig. 1, one end of the moving plug 21 is located in the elastic member installation cavity 12, the other end of the moving plug is located in the air intake cavity 4, and a channel for the moving plug 21 to pass through is formed between the elastic member installation cavity 12 and the air intake cavity 4, so that the elastic member installation cavity 12 is communicated with the air intake cavity 4, and therefore, the elastic member installation cavity 12 needs to have a good sealing effect to ensure that the gas in the air intake cavity 4 does not leak out.
On the basis of the above embodiment, optionally, the movable plug 21 includes a movable plug body 212 and a limiting member 213, the sealing ring 3 is connected to an end surface of the movable plug body 212, the limiting member 213 is connected to an end of the movable plug body 212 far away from the sealing ring 3, the elastic member 22 abuts against an end of the limiting member 213, and the limiting member 213 limits the spring, so that the spring can be stably sleeved outside the movable plug body 212.
Specifically, the limiting member 213 and the moving plug body 212 may be connected by a screw, a snap, a screw, or the like.
In some embodiments, as shown in fig. 1, the slider body 1 includes a sliding seat 13 and a cover plate 14 connected to the sliding seat 13, and the elastic component mounting cavity 12 is formed between the cover plate 14 and the sliding seat 13, so that the elastic component mounting cavity 12 has better sealing performance.
The cover plate 14 and the sliding base 13 may be connected by a screw, a snap, a screw, or the like.
In at least one embodiment, in order to make the seal of the spring mounting chamber 12 better, a seal 5 is provided between the sliding seat 13 and the cover plate 14, the seal 5 being able to compensate for a slight clearance between the cover plate 14 and the sliding seat 13.
Specifically, the seal 5 may be a rubber packing, a plastic packing, or the like.
An embodiment of the second aspect of the present invention provides a full automatic sample introduction device, as shown in fig. 3 and fig. 4, the full automatic sample introduction device provided by the embodiment of the second aspect of the present invention includes a first driver 6, a material purging mechanism 7, and the above feeding slide block; the slider body 1 is connected with the material purging mechanism 7 in a sliding mode, the opening of the moving groove faces the material purging mechanism 7, and the material purging mechanism 7 is used for receiving materials in the first feeding channel 11 and purging inert gases to the materials; the first driver 6 is connected with the slider body 1, and the first driver 6 is used for driving the slider body 1 to slide relative to the material purging mechanism 7.
The embodiment of the second aspect of the present invention provides a full automatic sample introduction device, which includes a first driver 6, a material purging mechanism 7, and the above feeding slide block. When using, actuating mechanism 2 drives earlier sealing washer 3 and does not sweep mechanism 7 counterbalance with the material, and 6 drive slider body 1 of first driver afterwards sweeps mechanism 7 for the material and slides, realizes changeing of material and arranges, and the material changes to arrange to the material sweeps mechanism 7 after, and material sweeps mechanism 7 and sweeps inert gas to the material, sweeps slider body 1 and returns to initial position that finishes, and actuating mechanism 2 drives the sealing washer afterwards and material and sweeps mechanism 7 counterbalance, realizes that the gas circuit is sealed. Compared with the prior art, the full-automatic sampling device can prolong the service life of the sealing ring, and effectively protects the sealing ring.
It should be noted that all the structures capable of driving the slider body 1 to slide relative to the material purging mechanism 7 may be the first driver 6 mentioned in the above embodiments. The first driver 6 may be a linear motion mechanism such as a pneumatic cylinder, a hydraulic cylinder, a linear motor, or a combination of a rotary motion mechanism such as a motor and a rod set to convert the rotary motion of the motor into linear motion.
In at least one embodiment, facing the direction of fig. 4, the first driver 6 includes a first cylinder 61, a first piston 62, a first air inlet 63, and a second air inlet 64, one end of the first piston 62 is located in the first cylinder 61, and the other end of the first piston 62 is connected with the slider body 1 through a screw 8; the first air inlet 63 is positioned on the first cylinder 61, and when the first air inlet 63 is filled with air, the first piston 62 pushes the slider body 1 to move rightwards; the second air inlet 64 is located on the first piston 62, and when the second air inlet 64 is filled, the first piston 62 pulls the slider body 1 to move leftward.
In some embodiments, as shown in fig. 4, in order to make the automation capability of the above-mentioned full-automatic sample feeding device stronger, the material purging mechanism 7 includes a feeding slide rail 71 and a blanking receiving assembly 72; the slider body 1 is connected with the feeding slider guide rail 71 in a sliding manner, when in use, the first driver 6 drives the slider body 1 to slide relative to the feeding slider guide rail 71, and the feeding slider guide rail 71 is provided with a second feeding channel 711 and a carrier gas port 712 for blowing inert gas to the second feeding channel 711 so as to blow away air in the material; the blanking receiving assembly 72 is connected to the feeding slide rail 71 for receiving or releasing the material in the second feeding channel 711.
When in use, the driving mechanism 2 firstly drives the sealing ring 3 not to be abutted against the feeding slide block guide rail 71; then the first driver 6 drives the slider body 1 to slide relative to the feeding slider guide rail 71 until the material falls into the second feeding channel 711, and the blanking receiving assembly 72 receives the material in the second feeding channel 711; then, the carrier gas port 712 blows inert gas to the second feed channel 711, and the first driver 6 drives the slider body 1 to return to the initial position after the blowing is finished; then, the driving mechanism 2 drives the sealing ring to abut against the feeding slide block guide rail 71, and at the moment, the end face of the driving mechanism 2 and the sealing ring are buckled above the second feeding channel 711 to realize air path sealing; finally the drop receiving assembly 72 releases the material in the second feed channel 711.
Specifically, as shown in fig. 3, the feeding slider rail 71 is provided with a sliding slot, and the first driver 6 drives the slider body 1 to move in the sliding slot.
In some embodiments, as shown in fig. 4, the blanking receiving assembly 72 includes a blanking baffle 721 and a second driver 722, the blanking baffle 721 is slidably connected to the feeding slider rail 71, the second driver 722 is connected to the blanking baffle 721, and the second driver 722 is used for driving the blanking baffle 721 to slide relative to the feeding slider rail 71 to release or block the discharge opening of the second feeding channel 711.
When the blanking receiving assembly 72 is required to receive the material in the second feeding channel 711, the second driver 722 drives the blanking blocking piece 721 to move below the second feeding channel 711; when the material receiving assembly 72 needs to release the material in the second feeding channel 711, the second driver 722 drives the blanking blocking piece 721 to be away from the second feeding channel 711, so that the material can smoothly fall into the combustion environment. The blanking receiving assembly 72 does not need manual operation, can automatically receive materials and release the materials, and improves the working efficiency.
It should be noted that the blanking receiving assembly 72 is not limited to the above manner, and in other embodiments, the blanking receiving assembly 72 may also include a rotating plate rotatably connected to the feeding slider rail 71 and a rotating motor connected to the rotating plate, and the rotating motor drives the rotating plate to rotate relative to the feeding slider rail 71 to close or release the discharge opening of the second feeding channel 711.
It should be noted that all the structures capable of driving the blanking stopper 721 to slide relative to the feeding slider guide 71 may be the second driver 722 mentioned in the above embodiments. The second driver 722 may be a linear motion mechanism such as a pneumatic cylinder, a hydraulic cylinder, or a linear motor, or may be a combination of a rotary motion mechanism such as a motor and a rod set to convert the rotary motion of the motor into a linear motion.
In at least one embodiment, facing the direction of fig. 4, the second actuator 722 includes a second cylinder 7221, a second piston 7222, a third air inlet 7223, and a fourth air inlet 7224, the second piston 7222 having one end located within the second cylinder 7221 and the other end of the second piston 7222 connected to the feed slide rail 71; a third air inlet 7223 is formed in the second cylinder 7221, and when the third air inlet 7223 is filled with air, the second piston 7222 pushes the feed slider guide 71 to move rightward; the fourth air inlet 7224 is located on the second piston 7222, and when the fourth air inlet 7224 is filled, the second piston 7222 pulls the feed slider rail 71 to the left.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
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| CN201911341558.5A CN111003479A (en) | 2019-12-20 | 2019-12-20 | Feeding slide block and full-automatic sample feeding device |
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| CN201911341558.5A CN111003479A (en) | 2019-12-20 | 2019-12-20 | Feeding slide block and full-automatic sample feeding device |
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| CN2566881Y (en) * | 2002-04-19 | 2003-08-20 | 钮静江 | Constant-current pressure reducing valve for air respirator |
| US20030222104A1 (en) * | 2002-06-03 | 2003-12-04 | Chia-Chiung Chuang | Continuously shooting pneumatic grease gun structure |
| CN101225897A (en) * | 2007-01-20 | 2008-07-23 | 马莉 | Aid blowing valve for pneumatic handling opening and closing automatically |
| CN201784612U (en) * | 2010-08-24 | 2011-04-06 | 上海奕洁汽车科技有限公司 | High-pressure booster |
| CN201872746U (en) * | 2010-10-22 | 2011-06-22 | 宋书新 | Relay valve |
| CN103362782A (en) * | 2013-08-07 | 2013-10-23 | 四川金星压缩机制造有限公司 | Compressor static sealing device |
| CN104122406A (en) * | 2014-07-30 | 2014-10-29 | 长沙开元仪器股份有限公司 | Sample dropping head and furnace door stopper assembly thereof |
| CN104698206A (en) * | 2015-03-24 | 2015-06-10 | 中国科学院寒区旱区环境与工程研究所 | Gas constant-pressure automatic sampling device of injector type sample tube |
| CN106958686A (en) * | 2017-05-16 | 2017-07-18 | 眉山中车制动科技股份有限公司 | A kind of gas control air bleeding valve |
| CN207728658U (en) * | 2017-12-05 | 2018-08-14 | 富泰华工业（深圳）有限公司 | Clamping device and its driving cylinder |
| CN108828131A (en) * | 2018-05-28 | 2018-11-16 | 湖南三德科技股份有限公司 | Blanking mechanism and blanking method for elemental analyser |
| CN209303547U (en) * | 2018-10-25 | 2019-08-27 | 无锡雄伟精工科技有限公司 | A kind of pneumatic type stamping die |
| CN209097079U (en) * | 2018-11-02 | 2019-07-12 | 龙海市思博工业设计有限公司 | A kind of edible bread is packed for air charging system |
| CN211520874U (en) * | 2019-12-20 | 2020-09-18 | 济南海能仪器股份有限公司 | Feeding slide block and full-automatic sample feeding device |
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Application publication date: 20200414 |