CN109260611B - Fixing device - Google Patents
Fixing device Download PDFInfo
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- CN109260611B CN109260611B CN201811303182.4A CN201811303182A CN109260611B CN 109260611 B CN109260611 B CN 109260611B CN 201811303182 A CN201811303182 A CN 201811303182A CN 109260611 B CN109260611 B CN 109260611B
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- pressure cylinder
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- 239000007788 liquid Substances 0.000 claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000001960 triggered effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001959 radiotherapy Methods 0.000 description 15
- 229920001169 thermoplastic Polymers 0.000 description 9
- 239000004416 thermosoftening plastic Substances 0.000 description 9
- 238000005452 bending Methods 0.000 description 7
- 210000004916 vomit Anatomy 0.000 description 4
- 230000008673 vomiting Effects 0.000 description 4
- 239000002872 contrast media Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 2
- 201000011510 cancer Diseases 0.000 description 2
- 238000002591 computed tomography Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 206010035669 Pneumonia aspiration Diseases 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 201000009807 aspiration pneumonia Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N5/1001—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy using radiation sources introduced into or applied onto the body; brachytherapy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1092—Details
- A61N2005/1097—Means for immobilizing the patient
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Actuator (AREA)
Abstract
The invention relates to a fixing device which is characterized by comprising a pressure cylinder, wherein the pressure cylinder comprises an inlet and at least one outlet, a flow passage is arranged in the pressure cylinder and is used for communicating each outlet with the inlet, a first piston is arranged in the flow passage at the inlet, a second piston is respectively arranged in the flow passage at each outlet, liquid and/or gas are sealed in the flow passage between the first piston and the second piston, the first piston is provided with a connecting rod, the connecting rod is used for connecting a transmission part or a triggering part, the second piston is provided with a push rod, and the push rod is used for unlocking; the unlocking part provided by the invention can realize the unlocking function, has better unlocking synchronism, is compact in structure, is convenient to produce and manufacture, is convenient to integrate and install in the unlocking device or the body frame plate, and is beneficial to modularization of the unlocking device or the body frame plate.
Description
Technical Field
The invention relates to the technical field of radiotherapy equipment, in particular to an unlocking part for an unlocking device and a body frame plate.
Background
Radiotherapy, abbreviated as radiotherapy, is one of the main means for treating malignant tumors at present, and about 2/3 of malignant tumor patients need to receive radiotherapy; the current whole domestic radiotherapy enters an accurate treatment stage, and accurate radiotherapy is completed based on images generated by radiotherapy positioning CT scanning; the radiotherapy positioning CT is to collect the body image of the patient under a unified coordinate system, the doctor delineates the tumor target area based on the image, then the physical engineer carries out the design of the radiotherapy plan, and the radiotherapy can be carried out after the radiotherapy plan passes verification; in radiotherapy, maintaining a fixed patient position is critical to accurate treatment.
Currently, in hospitals, a set of fixation devices is typically used to fix a patient, the fixation devices comprising: thermoplastic film (or be called the locating film) and body frame board (or be called the locating plate), wherein, body frame board is a flat board, and body frame board's both sides edge is provided with a plurality of locating holes respectively, and thermoplastic film's both sides edge is provided with the strake respectively, be provided with the fixed orifices on the strake respectively corresponding the position department of locating hole, be provided with bolt and round pin cover in the fixed orifices respectively, the specific structure of bolt and round pin cover can see chinese patent: CN 201611073892 or CN 201621293392; when the fixing device is used for fixing a patient, the body frame plate is required to be horizontally placed, then the patient is allowed to lie on the body frame plate, then the thermoplastic film is covered on the patient, the pin sleeves on the thermoplastic film are respectively placed in the corresponding positioning holes, finally, medical staff manually presses down the bolts, the lower ends of the bolts extend out of the pin sleeves, the pin sleeves are extruded and expanded, and therefore the side walls of the positioning holes are clamped, and the locking function is realized; after the use is finished, medical staff manually pulls out the bolts in the positioning holes, so that unlocking is finished, a patient can move, and the thermoplastic film can be detached from the frame plate; for patients needing radiotherapy, medical staff need to fix the patients by using the fixing device in the early stage of radiotherapy, such as thermoplastic film manufacturing, positioning CT scanning, position confirmation and the like, or in the process of receiving radiotherapy.
In hospitals, in order to better distinguish tumor target areas from surrounding tissues, it is often necessary to perform a scout enhancement scan using an iodine-containing CT contrast agent (commonly referred to as a contrast agent, requiring the patient to swallow prior to the scan) in order to more accurately delineate the target areas; the common side effect of iodine-containing contrast agents is gastrointestinal reactions, and patients often have symptoms of nausea and vomiting; when the patient is not fixed by the thermoplastic film, the patient can vomit freely when vomit occurs, and the possibility of asphyxia is low; however, under the condition that the thermoplastic film is fixed, the whole head, neck and chest of a patient are usually fixed on the frame plate by the thermoplastic film, the patient cannot deflect the head or the measuring head, in this case, if the patient vomit, vomit cannot be removed, the situations of choking, aspiration pneumonia and the like are extremely easy to occur, even death, and a great potential safety hazard exists.
The body frame plate or the unlocking device with the unlocking function disclosed in the prior art generally comprises an unlocking part, a transmission part and a triggering part, wherein the unlocking part is connected with the triggering part through the transmission part, the triggering part is used for triggering under the action of external force and generating triggering power, the transmission part is used for transmitting the triggering power, and the unlocking part is used for popping up a corresponding bolt under the action of the triggering power, so that single-side unlocking or double-side unlocking can be realized under the emergency.
However, the unlocking part for the unlocking device and the body frame plate disclosed in the prior art is complex in structure, and the unlocking function can be realized by arranging a corresponding auxiliary structure in the unlocking device or the body frame plate, and meanwhile, the existing unlocking part is inconvenient to integrate and install, so that the unlocking device or the body frame plate is not convenient to modularize.
Disclosure of Invention
In order to improve the defects existing in the prior art, the invention adopts the following technical scheme:
The utility model provides an unblock portion for unlocking device and body frame board, includes the pneumatic cylinder, the pneumatic cylinder includes an import and at least one export, is provided with the runner in the pneumatic cylinder, the runner is used for the intercommunication each export with the import, be provided with first piston in the runner of import department, be provided with the second piston in the runner of each exit respectively, sealed in the runner between first piston and the second piston has liquid and/or gas, first piston is provided with the connecting rod, the connecting rod is used for connecting drive portion or trigger portion, the second piston is provided with the ejector pin, the ejector pin is used for the unblock.
Further, the flow channel comprises at least one bending part, and the at least one bending part is used for changing the direction of the outlet, so that the direction of the outlet is a vertical direction.
Further, the hydraulic cylinder further comprises a liquid inlet and an air outlet which are respectively arranged in the pressure cylinder and are respectively communicated with the flow channels in the pressure cylinder, valves are respectively arranged at the liquid inlet and the air outlet, the liquid inlet is used for injecting liquid into the flow channels or discharging liquid in the flow channels, and the air outlet is used for balancing internal pressure and external pressure when the liquid is injected and discharged.
Further, the device also comprises a spring, wherein the spring is sleeved on the ejector rod and is positioned in the flow channel, one end of the spring is fixed on the second piston, the other end of the spring is fixed at the corresponding outlet, and the spring is used for realizing a buffer function when triggering unlocking and realizing an automatic reset function after unlocking.
Further, still include a plurality of lugs, be provided with the through-hole on the lug respectively, the lug is used for realizing the installation and the fixed of pneumatic cylinder.
In a preferred embodiment, the cylinder comprises an inlet and an outlet, and the axis of the inlet is in the horizontal plane and the axis of the outlet is in the vertical direction.
In another preferred scheme, the pressure cylinder comprises a main pipeline and a plurality of auxiliary pipelines, each auxiliary pipeline is respectively communicated with the main pipeline, the inlet is formed in the main pipeline, the outlet is respectively formed in the auxiliary pipelines, and the auxiliary pipelines are respectively used for corresponding to one bolt.
In a preferred scheme, each auxiliary pipeline is a straight pipe and is parallel to each other.
Preferably, the main pipeline is an integrally formed bent pipe.
Preferably, the main pipeline comprises a first main pipe and a second main pipe, wherein each auxiliary pipeline is respectively arranged in the first main pipe, the second main pipe is communicated with the first main pipe, and the inlet is arranged in the second main pipe.
Compared with the prior art, the unlocking part for the unlocking device and the body frame plate can realize the unlocking function, has better unlocking synchronism, is compact in structure, is convenient to produce and manufacture, is convenient to integrate and install in the unlocking device or the body frame plate, and is beneficial to modularization of the unlocking device or the body frame plate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Drawings
Fig. 1 is a schematic structural view of an unlocking portion provided in embodiment 1 of the present invention.
Fig. 2 is a partial cross-sectional view of fig. 1.
Fig. 3 is a schematic structural diagram of an unlocking portion provided in embodiment 2 of the present invention.
Fig. 4 is a schematic structural diagram of an unlocking portion provided in embodiment 3 of the present invention.
Fig. 5 is a schematic structural diagram of a volumetric plate with unlocking function provided in embodiment 3 of the present invention.
Fig. 6 is a view in the A-A direction of fig. 5.
The figure indicates: the pressure cylinder 100, the inlet 101, the first piston 102, the connecting rod 103, the outlet 201, the second piston 202, the ejector rod 203, the spring 204, the bending part 301, the liquid inlet 302, the exhaust port 303, the lug 304, the through hole 305, the liquid 306, the main pipeline 401, the first main pipeline 402, the second main pipeline 403, the auxiliary pipeline 501, the body frame plate 601, the top plate 602, the base 603, the pedal 604, the supporting rod 605, the sliding block 606, the hinge 607, the positioning hole 608 and the sliding groove 609.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
Example 1
As shown in fig. 1 and 2, in this embodiment, an unlocking part for an unlocking device and a body frame plate is provided, and the unlocking part includes a pressure cylinder 100, the pressure cylinder 100 includes an inlet 101 and at least one outlet 201, a flow passage is provided in the pressure cylinder 100, the flow passage is used for communicating each outlet 201 with the inlet 101, a first piston 102 is provided in the flow passage at the inlet 101, a second piston 202 is provided in the flow passage at each outlet 201, a liquid and/or a gas is sealed in the flow passage between the first piston 102 and the second piston 202, the first piston 102 is provided with a connecting rod 103, the connecting rod 103 is used for connecting a transmission part or a triggering part, the second piston 202 is provided with a push rod 203, and the push rod 203 is used for unlocking.
The pressure cylinder 100 has compact structure and is convenient to produce and manufacture; when the first piston 102 moves along the flow channel and is triggered and unlocked under the action of external force, the second piston 202 can be driven to synchronously move by sealed liquid and/or gas, so that the unlocking function can be effectively realized; since the power transmission between the first piston 102 and the second piston 202 relies on the pressure of the liquid and/or gas sealed between the first piston 102 and the second piston 202, and the pressure of the liquid and/or gas in the flow channel is everywhere equal (i.e., isotropic), the plurality of second pistons 202 connected to the first piston 102 have good synchronicity, so that the unlock synchronicity is better when the unlock is triggered.
It will be appreciated that the flow channel may be sealed by a liquid 306, a gas (preferably an incompressible gas, usually air) or a mixture of a gas and a liquid, and only needs to bear pressure and transmit the pressure, and in this embodiment, the liquid 306 is taken as an illustration and will not be described further.
As shown in fig. 1 and 2, further, the flow passage in the present pressure cylinder 100 includes at least one bending portion 301, and at least one bending portion 301 is used to change the direction of the outlet 201, so that the direction of the outlet 201 is a vertical direction. Because in the prior art, after the latch is locked in the body frame plate, the latch is usually in a vertical direction, and when the latch is unlocked, an external force can be applied to the latch in the vertical direction, so that the latch can be ejected out, and the unlocking function can be realized, the direction of the outlet 201 is preferably in the vertical direction, and at this time, the second piston 202 and the ejector rod 203 arranged at the outlet 201 are exactly in the vertical direction.
As shown in fig. 1 and 2, the present pressure cylinder 100 further includes a liquid inlet 302 and an air outlet 303, wherein the liquid inlet 302 and the air outlet 303 are respectively disposed in the pressure cylinder 100 and are respectively communicated with a flow channel in the pressure cylinder 100, and the liquid inlet 302 and the air outlet 303 are respectively provided with a valve for opening and closing the liquid inlet 302 and the air outlet 303; the liquid inlet 302 is used for injecting liquid 306 into the runner or discharging liquid 306 in the runner, and the air outlet 303 is used for balancing internal and external pressure when injecting liquid 306 and discharging liquid 306.
After the assembly of the pressure cylinder 100 is completed, liquid 306 needs to be injected into an internal runner, at the moment, valves at the air outlet 303 and the liquid inlet 302 need to be opened simultaneously, the liquid 306 is injected into the runner through the liquid inlet 302, gas in the runner is discharged through the air outlet 303, and after the injection is completed, the valves at the air outlet 303 and the liquid inlet 302 are closed, so that the liquid 306 in the runner is closed; when the liquid 306 in the internal flow channel needs to be discharged, the valves at the air outlet 303 and the liquid inlet 302 need to be opened at the same time, and at this time, external air needs to enter the flow channel from the air outlet, so that the liquid 306 in the flow channel can be smoothly discharged from the liquid inlet 302.
As shown in fig. 1, in a further scheme, the device further includes a spring 204, where the spring 204 is sleeved on the ejector rod 203 and is located in the flow channel, one end of the spring 204 is fixed on the second piston 202, the other end is fixed at the position corresponding to the outlet 201, and the spring 204 is used to implement a buffering function when triggering unlocking and implement an automatic reset function after unlocking.
As shown in the figure, in a further refinement, the hydraulic cylinder further includes a plurality of lugs 304, through holes 305 are respectively provided on the lugs 304, and the lugs 304 are used for implementing installation and fixation of the hydraulic cylinder 100. For example, pressure tube 100 may be conveniently and securely integrated and installed in a body frame plate or unlocking device by screws, facilitating the modularity of the unlocking device or body frame plate; meanwhile, in the use process, when problems occur, the maintenance or replacement can be conveniently carried out.
As shown, in a preferred embodiment provided in this example, the pressure cylinder 100 includes an inlet 101 and an outlet 201, and the axis of the inlet 101 is located in a horizontal plane, and the axis of the outlet 201 is located in a vertical direction.
In the actual use process, the number of the pressure cylinders 100 can be determined according to the number of the bolts to be unlocked in the body frame plate and the unlocking device, for example, when 6 bolts are required to be unlocked in the body frame plate, 6 pressure cylinders 100,6 are required to be in one-to-one correspondence with the 6 bolts, and the second pistons 202 in the 6 pressure cylinders 100 are respectively connected to the same transmission part or the triggering part through the connecting rods 103, so that synchronous unlocking can be realized.
Example 2
The main difference between this embodiment 2 and the above embodiment 1 is that, in the unlocking portion provided in this embodiment, the pressure cylinder 100 includes a main pipeline 401 and a plurality of auxiliary pipelines 501, each auxiliary pipeline 501 is respectively connected to the main pipeline 401, the inlet 101 is disposed in the main pipeline 401, the outlet 201 is respectively disposed in the auxiliary pipelines 501, and the auxiliary pipelines 501 are respectively used for corresponding to a latch, as shown in fig. 3.
In this embodiment, the pressure cylinder 100 is more compact in structure, and only one pressure cylinder 100 is required to unlock a plurality of bolts synchronously.
In this embodiment, each of the secondary pipes 501 is a straight pipe and is parallel to each other, as shown in fig. 3.
As shown in fig. 3, further, in the present embodiment, the main pipeline 401 includes a first main pipe 402 and a second main pipe 403, where each of the auxiliary pipelines 501 is respectively disposed on the first main pipe 402, and the first main pipe 402 is a curved pipe, so that each of the auxiliary pipelines 501 on the first main pipe 402 can respectively correspond to one pin for unlocking, and in addition, the main function of the first main pipe 402 is to connect each of the auxiliary pipelines 501 together for synchronous unlocking; the second main pipe 403 is in communication with the first main pipe 402, and the inlet 101 is disposed in the second main pipe 403, so that the first piston 102 disposed at the inlet 101 can be more conveniently connected to the transmission part or the trigger part.
As an example, as shown in fig. 3, when 7 pins in the body frame plate need to be unlocked, 7 auxiliary pipelines 501 are needed; therefore, in this embodiment, 7 auxiliary pipelines 501 are disposed on the first main pipe 402, and the 7 auxiliary pipelines 501 are respectively in one-to-one correspondence with 7 bolts to be unlocked, and the connecting rod 103 disposed on the first piston 102 is connected to the transmission portion or the trigger portion, so that synchronous unlocking can be achieved.
Example 3
The main difference between this embodiment 3 and the above-mentioned embodiment 2 is that, in the pressure cylinder 100 provided in this embodiment, the main pipe 401 is an integrally formed bent pipe.
For example, in the prior art, a commonly used body frame plate 601 includes 7 positioning holes 608, and when a patient is fixed, 7 bolts can be respectively inserted into the corresponding positioning holes 608 to fix the patient; when unlocking, 7 bolts locked in the positioning holes 608 of the body frame plate 601 need to be ejected, so 7 auxiliary pipelines 501 are needed; thus, in the present embodiment, as shown in fig. 4, 7 auxiliary pipelines 501 are provided on the main pipeline 401 of the pressure cylinder 100, respectively, and the 7 auxiliary pipelines 501 are made to correspond to 7 bolts (or positioning holes 608) to be unlocked one by bending the main pipeline 401; the other end of the main pipeline 401 can be wound to the position of the trigger part through bending and can be positioned in any direction of the trigger part, so that the trigger part can be more conveniently connected with the first piston 102, and the unlocking function of the trigger part can be more conveniently realized.
As an example, as shown in fig. 5, in the present embodiment, a body frame plate 601 with an unlocking function includes a top plate 602 and a base 603, 7 positioning holes 608 are provided on the top plate 602, and the foregoing pressure cylinder 100 (the pressure cylinder 100 in fig. 4) is fixed to the base 603, so that each sub-pipeline 501 on the pressure cylinder 100 corresponds to a positioning hole 608 one by one; as shown in fig. 5, the body frame plate 601 further includes a triggering portion, the triggering portion includes a pedal 604, a supporting rod 605 and a slide block 606, the pedal 604 is hinged 607 to the top plate 602, one end of the supporting rod 605 is hinged 607 to the pedal 604, the other end is hinged 607 to the slide block 606, the first piston 102 of the pressure cylinder 100 is connected to the slide block 606 through a connecting rod, and the slide block 606 can move along a chute 609 provided in the base 603; as shown in fig. 6, when the unlocking is triggered, the patient only needs to press the pedal 604 with his foot to generate triggering power, so that the pedal 604 rotates to drive the sliding block 606 to move, thereby driving the first piston 102 to squeeze the liquid 306 sealed in the flow channel, and driving the second piston 202 in each auxiliary pipeline 501 to synchronously move upwards through the liquid 306, so that the ejector rod 203 can eject the corresponding plug pin, thereby realizing the unlocking function.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention.
Claims (10)
1. A fixing device is characterized by comprising an unlocking part and a body frame plate with an unlocking function, wherein,
The unlocking part comprises a pressure cylinder, the pressure cylinder comprises an inlet and at least one outlet, a flow passage is arranged in the pressure cylinder and used for communicating each outlet with the inlet, a first piston is arranged in the flow passage at the inlet, a second piston is respectively arranged in the flow passage at each outlet, liquid and/or gas are sealed in the flow passage between the first piston and the second piston, the first piston is provided with a connecting rod, the connecting rod is used for connecting a transmission part or a triggering part, the second piston is provided with a push rod, and the push rod is used for unlocking;
The frame plate comprises a top plate, a base and a trigger part, a positioning hole is formed in the top plate, and the pressure cylinder is fixed on the base; the triggering part comprises a pedal, a supporting rod and a sliding block, wherein the pedal is hinged to the top plate, one end of the supporting rod is hinged to the pedal, the other end of the supporting rod is hinged to the sliding block, a first piston of the pressure cylinder is connected with the sliding block through a connecting rod, and the sliding block can move along a sliding groove arranged on the base; when the unlocking is triggered, the pedal is pressed down by feet to generate triggering power, so that the pedal rotates to drive the sliding block to move, the first pistons are driven to squeeze liquid sealed in the flow channels, and the liquid drives the second pistons to synchronously move upwards, so that the ejector rod ejects out of the bolts in the corresponding positioning holes, and the unlocking function is realized.
2. The fixture of claim 1, wherein the flow channel includes at least one bend and wherein the at least one bend is configured to change the direction of the outlet such that the direction of the outlet is vertical.
3. The fixing device according to claim 1, further comprising a liquid inlet and a gas outlet, wherein the liquid inlet and the gas outlet are respectively arranged on the pressure cylinder and are respectively communicated with the flow channels in the pressure cylinder, valves are respectively arranged at the liquid inlet and the gas outlet, the liquid inlet is used for injecting liquid into the flow channels or discharging liquid in the flow channels, and the gas outlet is used for balancing internal pressure and external pressure when the liquid is injected and discharged.
4. The fixing device according to claim 1, further comprising a spring, wherein the spring is sleeved on the ejector rod and is located in the flow channel, one end of the spring is fixed to the second piston, the other end of the spring is fixed to the corresponding outlet, and the spring is used for realizing a buffering function when unlocking is triggered and is used for realizing an automatic reset function after unlocking.
5. The fixing device according to claim 1, further comprising a plurality of lugs, wherein through holes are respectively formed in the lugs, and the lugs are used for installing and fixing the pressure cylinder.
6. A fastening device according to any one of claims 1-5, wherein the pressure cylinder comprises an inlet and an outlet, and wherein the axis of the inlet is in the horizontal plane and the axis of the outlet is in the vertical direction.
7. The fixture of any one of claims 1-5, wherein the pressure cylinder comprises a main conduit and a plurality of auxiliary conduits, each of the auxiliary conduits being in communication with the main conduit, respectively, the inlet being disposed in the main conduit, the outlet being disposed in the auxiliary conduits, respectively, the auxiliary conduits being for a respective one of the pins.
8. The fixture of claim 7 wherein each of said secondary conduits is straight and parallel to each other.
9. The fixture of claim 7 wherein the main conduit is an integrally formed elbow.
10. The fixture of claim 7, wherein the main conduit comprises a first main conduit and a second main conduit, wherein each of the secondary conduits is disposed in the first main conduit, the second main conduit is in communication with the first main conduit, and the inlet is disposed in the second main conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811303182.4A CN109260611B (en) | 2018-11-02 | 2018-11-02 | Fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811303182.4A CN109260611B (en) | 2018-11-02 | 2018-11-02 | Fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109260611A CN109260611A (en) | 2019-01-25 |
| CN109260611B true CN109260611B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811303182.4A Active CN109260611B (en) | 2018-11-02 | 2018-11-02 | Fixing device |
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| CN (1) | CN109260611B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114984372B (en) * | 2022-06-02 | 2023-10-24 | 龚韦烨 | Uninterrupted syringe |
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| JP3881589B2 (en) * | 2002-02-13 | 2007-02-14 | 株式会社コスメック | Cylinder device |
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| CN101978205A (en) * | 2008-03-26 | 2011-02-16 | 乔治洛德方法研究和开发液化空气有限公司 | Fluid filling and/or extracting connector and assembly comprising a connector and a tap |
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| Publication number | Publication date |
|---|---|
| CN109260611A (en) | 2019-01-25 |
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