CN111664158A - Thread fixing quick connector and method for connecting quick connector and transmitter - Google Patents
Thread fixing quick connector and method for connecting quick connector and transmitter Download PDFInfo
- Publication number
- CN111664158A CN111664158A CN202010513995.7A CN202010513995A CN111664158A CN 111664158 A CN111664158 A CN 111664158A CN 202010513995 A CN202010513995 A CN 202010513995A CN 111664158 A CN111664158 A CN 111664158A
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- China
- Prior art keywords
- guide pin
- nut
- clamp
- transmitter
- quick connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 230000007704 transition Effects 0.000 claims description 10
- 229920000459 Nitrile rubber Polymers 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 11
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/04—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
Abstract
The invention discloses a thread-fixed quick connector and a method for connecting the quick connector with a transmitter, wherein the quick connector comprises a base, a fixing nut, a fixing ring and a clamp are sequentially sleeved on the base from inside to outside, the fixing nut comprises two nut components which are oppositely arranged, the two nut components are connected through an elastic piece, the nut components are connected with one end of a guide pin through hole interference fit, the other end of the guide pin penetrates through the fixing ring and is positioned on the inner side of the clamp, a cam for pushing the guide pin is fixed on the inner wall of the clamp, a groove is formed in the base, and a sealing ring is arranged in the groove. The pressure transmitter is clamped or loosened by the rotary clamp, the transmitter is not required to be screwed on the quick connector male head in a rotating manner, and then the quick connector male head is inserted into the quick connector female head.
Description
Technical Field
The invention belongs to the technical field of quick connectors, and particularly relates to a thread-fixed quick connector and a method for connecting the quick connector and a transmitter.
Background
The quick connector is a connector which can realize the connection or disconnection of pipelines without tools. As shown in figures 1a and 1b, the conventional quick connector consists of a male head 9 and a female head 10, wherein the male head 9 is in threaded connection with a transmitter, the female head 10 is connected with a testing tool, and the male head is inserted into the female head, so that the transmitter can be produced and tested. The transmitters with different thread specifications can be compatible with a system by replacing the male head of the quick connector, so that the quick switching of different product production is realized. Quick connectors have found wide application in transmitter manufacturing and testing.
In the prior art, when the quick coupling is used for production or test of a transmitter, the transmitter needs to be screwed to the male head of the quick coupling in a rotating manner, and then the male head of the quick coupling is inserted into the female head of the quick coupling, so that the transmitter is connected with the quick coupling. When the transmitter is screwed on the male head of the quick connector, the transmitter needs to rotate for several circles and be screwed in place, and the sealing and fastening requirements can be met. The operation wastes time and labor, and the efficiency is low.
Disclosure of Invention
The invention aims to provide a quick connector device and a quick connector method, which aim to solve the problem of low assembly and disassembly efficiency of a transmitter on a quick connector.
In order to achieve the purpose, the thread fixing quick connector comprises a base, wherein a fixing nut, a fixing ring and a clamp are sequentially sleeved on the base from inside to outside, the fixing nut comprises two nut components which are oppositely arranged, the two nut components are connected through an elastic part, the nut components are connected with one end of a guide pin through shaft hole interference fit, the other end of the guide pin penetrates through the fixing ring and extends into a sliding groove in the inner wall of the clamp, and two side walls of the sliding groove along the circumferential direction are respectively a first rotation limiting surface and a second rotation limiting surface; when the guide pin is contacted with the first rotation limiting surface, the bottom surface of the sliding groove is not contacted with the guide pin, namely, the pressure is not applied to the guide pin; when the guide pin contacts with the bottom surface of the sliding groove, the bottom surface of the sliding groove exerts radial pressure on the guide pin to enable the guide pin to drive the nut assembly to move, and when the guide pin contacts with the second rotation limiting surface, the bottom surface of the sliding groove exerts radial pressure on the guide pin to stop moving the nut assembly.
Furthermore, the bottom surface of the sliding chute comprises a first section bottom surface, a transition section bottom surface and a second section bottom surface which are sequentially connected, the depth of the second section bottom surface is smaller than that of the first section bottom surface, and the depth of the transition section bottom surface is gradually reduced from the first section bottom surface to the second section bottom surface; when the guide pin is positioned on the inner side of the first bottom surface, the guide pin is not contacted with the first bottom surface, when the guide pin is positioned on the inner side of the second bottom surface, the second bottom surface applies pressure to the guide pin, and the included angle alpha between the bottom surface of the first section and the bottom surface of the transition section is 30-45 degrees.
Furthermore, one end of the guide pin extending into the sliding groove is hemispherical.
Furthermore, a groove is formed in the base, and a sealing ring is arranged in the groove.
Furthermore, two grooves are formed in the base.
Further, the sealing ring is made of butadiene acrylonitrile rubber.
Furthermore, a clamping groove is formed in the fixing ring, a check ring is installed in the clamping groove, and the check ring is used for limiting the axial movement of the clamp.
Furthermore, the outer surface of the hoop is provided with anti-skidding knurls.
Further, the elastic member is a spring.
According to the connection method of the quick connector and the transmitter fixed through the threads, the pressure transmitter is inserted into the quick connector along the base in the state that the clamp is loosened, the clamp is rotated, the bottom surface of the sliding groove pushes the guide pin, the guide pin drives the two nut components to move relatively, the spring is compressed, when the clamp rotates to the second rotation limiting surface, the two nut components are combined into the fixing nut, the threads of the transmitter are clamped through the threads of the fixing nut, and the quick connector is connected with the transmitter.
Compared with the prior art, the invention has at least the following beneficial technical effects:
the clamp is matched with the nut to realize quick connection with the transmitter, when the transmitter is required to be connected, the clamp is rotated to enable the bottom surface of the chute in the clamp to apply pressure on the guide pin, so that the two oppositely arranged guide pins move relatively to drive the two nut components to move relatively until the two nut components are combined into a complete fixed nut, and internal threads on the fixed nut are contacted with external threads of the transmitter to finish the connection; when the transmitter needs to be loosened, the clamp only needs to be rotated in the opposite direction, and the operation is convenient no matter connection or separation, so that the labor intensity is reduced, and the working efficiency is improved.
Furthermore, the bottom surface of the sliding chute comprises a first section bottom surface, a transition section bottom surface and a second section bottom surface which are sequentially connected, the depth of the second section bottom surface is smaller than that of the first section bottom surface, and the depth of the transition section bottom surface is gradually reduced from the first section bottom surface to the second section bottom surface; when the guide pin is positioned on the inner side of the bottom surface of the first section, the guide pin is not in contact with the bottom surface of the first section, when the guide pin is positioned on the inner side of the bottom surface of the second section, the bottom surface of the second section applies pressure to the guide pin, the included angle alpha between the bottom surface of the first section and the bottom surface of the transition section is 30-45 degrees, and the design of the bottom surface ensures that the pushing chute is more labor-saving and the connecting speed is improved.
Furthermore, one end of the guide pin extending into the sliding groove is hemispherical, so that when the sliding groove slides, the guide pin can be smoothly pushed to move inwards, and the operation is convenient and labor-saving.
Besides providing the guide for the guide pin, the fixing ring can limit the upward movement of the fixing nut through the guide pin when the transmitter is tested and the fixing nut is pulled upwards after a test system is pressurized.
Furthermore, the invention is sealed radially by two sealing rings, the sealing pressure test reaches 20MPa without leakage, the sealing is reliable, and the requirement is completely met aiming at the common air pressure compensation test. The sealing ring can be scratched in the assembling process, the damage probability of the sealing ring can be reduced by two sealing rings, the replacement period of the sealing ring is shortened, and the sealing reliability is improved.
Furthermore, the sealing ring is made of butadiene-acrylonitrile rubber, and the butadiene-acrylonitrile rubber is wear-resistant and low in cost.
Furthermore, the clamp surface is provided with anti-skidding annular knurl, increase frictional force, convenient to use.
The connection method of the quick connector and the transmitter based on the thread fixing is convenient to operate, the transmitter and the quick connector can be connected or separated through the rotating clamp, and the connection quality and the working efficiency are greatly improved.
Drawings
Figure 1a is an exploded view of a prior art quick adapter;
figure 1b is a schematic diagram of a conventional quick-change adapter;
FIG. 2 is a schematic elevation view of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic top view of the present invention;
fig. 5 is a schematic view of the installation of the present invention.
Wherein: 1-a fixed ring, 2-a sealing ring, 3-a retainer ring, 4-a fixed nut, 5-a guide pin, 6-a hoop, 7-a base, 8-a spring, 9-a male head, 10-a female head, 11-a threaded fixed quick joint, 12-a pressure transmitter, 61-a sliding groove, 62-a first rotation limiting surface and 63-a second rotation limiting surface.
Detailed Description
In order to make the objects and technical solutions of the present invention clearer and easier to understand. The present invention will be described in further detail with reference to the following drawings and examples, wherein the specific examples are provided for illustrative purposes only and are not intended to limit the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. 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.
Following the above technical solution, as shown in fig. 2 to 4, this example provides a quick coupling and an operation method thereof, which are used for quick assembly and disassembly in the manufacturing and testing processes of a transmitter, and improve efficiency. Fig. 5 is a schematic view of the assembly of the device.
The invention discloses a thread fixing quick connector 11 which comprises a fixing ring 1, a sealing ring 2, a retainer ring 3, a fixing nut 4, a guide pin 5, a hoop 6, a base 7 and a spring 8.
The base 7 is a four-step shaft, the first step is a thread, and the base is fixed on a test tool. The fixed ring 1 is sleeved outside the third step of the base 7, the clamp 6 is sleeved outside the fixed ring 1, the lower ends of the fixed ring 1 and the clamp 6 are connected with the upper end face of the second step of the base 7, the upper end face of the bottom plate of the fixed ring 1 is flush with the upper end face of the third step of the base 7, the fixed nut 4 is sleeved outside the fourth step of the base 7, and the lower end face of the fixed nut 4 is contacted with the upper end faces of the third step and the bottom plate of the fixed ring 1. The first guide pin 5 passes through a guide hole formed in the fixing ring 1 and the fixing nut 4, and the second guide pin 5 passes through another guide hole formed in the fixing ring 1 and the fixing nut 4. The function of the fixing ring 1 is two: firstly, the guide pin 5 slides in the guide hole to provide guidance; and when the transmitter is tested, the transmitter generates upward pulling force on the fixing nut 4 under the hydraulic or pneumatic pressure applied by the testing system, and the fixing ring 1 limits the upward movement of the fixing nut 4 through the guide pin 5.
The fixed nut 4 is divided into two halves and is respectively connected with two oppositely arranged guide pins 5 in an interference fit manner through a shaft hole; two sliding grooves 61 are oppositely arranged on the inner wall of the hoop 6, the sliding grooves 61 are in a cam shape, and two side walls of the sliding grooves along the circumferential direction are rotation limiting surfaces 62; when the guide pin 5 contacts the first rotation-restricting surface 62, the bottom surface of the slide groove 61 does not contact the guide pin 5, i.e., does not apply pressure to the guide pin 5; when the guide pin 5 contacts with the bottom surface of the sliding groove 61, the bottom surface of the sliding groove 61 exerts radial pressure on the guide pin 5, so that the guide pin 5 drives the nut component to move, and when the guide pin 5 contacts with the second rotation limiting surface 63, the bottom surface of the sliding groove 61 exerts radial pressure on the guide pin 5, and at the moment, the nut component stops moving. . Two O-shaped sealing rings 2 are assembled on a base 7, and a transmitter is inserted into the base 7 to compress the two sealing rings 2 to form radial sealing; the retainer ring 3 is arranged in a clamping groove of the fixing ring 1 and used for limiting the axial movement of the clamp 6; two guide holes are symmetrically formed in the side wall of the fixing ring 1, and the two guide pins 5 axially move in the two guide holes respectively.
Preferably, the shape of spout 61 is the gradual change structure, the bottom surface of spout 61 is including the first section bottom surface that connects gradually, changeover portion bottom surface and second section bottom surface, first section bottom surface and the first spacing face 62 of rotation meet, second section bottom surface and the rotatory spacing face 63 of second meet, the degree of depth of second section bottom surface is less than the degree of depth of first section bottom surface, when uide pin 5 is located first section bottom surface inboard, uide pin 5 and first section bottom surface contactless, when uide pin 5 is located the second bottom surface inboard, the second section bottom surface exerts pressure to uide pin 5, contained angle alpha value between first section bottom surface and the changeover portion bottom surface is 30 ~ 45, chamfer has between first section bottom surface and the changeover portion bottom surface, the degree of depth of transition portion bottom surface reduces from first section bottom surface to second section bottom surface gradually.
Preferably, the end of the guide pin 5 that extends into the chute is hemispherical.
Preferably, the O-shaped sealing ring is made of butadiene-acrylonitrile rubber, is used in a room temperature environment, is wear-resistant and is low in cost.
Preferably, the outer surface of the clamp 6 is provided with anti-slip knurls.
The base 7 is provided with two grooves, the sealing rings 2 are arranged in the grooves, the transmitter is inserted into the base 7, the two sealing rings are compressed to form radial sealing, and the effect of sealing the quick connector and the transmitter is achieved; the fixing nut 4 is composed of two nut components which are oppositely arranged, the nut components are half nuts, four spring mounting holes are formed in the end portions of the nut components, and 4 springs 8 are symmetrically mounted. In the clamping state, the internal threads on the two nut components form a complete internal thread to clamp the external thread of the transmitter. Under the loosening state, the two halves of the fixing nut 4 are bounced off by the spring 8, the thread of the fixing nut 4 is separated from the thread of the transmitter, and the transmitter can be taken down from the quick connector; the guide pin 5 is connected with the fixing nut 4 through hole interference fit to drive the fixing nut 4 to move axially; the inner wall of the hoop 6 is provided with a sliding groove 61, and the hoop 6 can be rotated to push the guide pin 5 to move along the guide hole of the fixing ring 1. The clamp 6 rotates to a clamping or loosening rotation limit, namely the clamping or loosening state is reached; the retaining ring 3 is arranged in a clamping groove of the fixing ring 1 to limit the axial movement of the hoop 6.
A method for connecting the quick coupling with the transmitter comprises the following steps:
the base 7 of the screw-fixed quick connector 11 is installed on the existing test system tool through screw threads, and the base 7 can also be fixed on the test system through welding or other assembling methods.
Referring to fig. 4, pressure transmitter 12 is inserted into the quick connector along base 7 in the unclamped state. Anticlockwise rotation clamp 6 promotes uide pin 5 through the cam-shaped spout 61 of 6 inner walls of clamp, makes uide pin 5 drive two nut component relative movement, and compression spring 8, clamp 6 are rotatory when pressing from both sides tight spacing department, and 4 screw clamp of fixation nut press from both sides tight changer screw, can press from both sides tight changer.
The clamp 6 is rotated clockwise, the pressure of the clamp 6 on the guide pin 5 is gradually reduced, the spring 8 is bounced off to push the fixing nut 4 to be opened, and when the clamp 6 rotates to the position where the limiting position is loosened, the thread of the fixing nut 4 is separated from the thread of the transmitter, so that the pressure transmitter can be loosened and taken out.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. The screw thread fixing quick connector is characterized by comprising a base (7), wherein a fixing nut (4), a fixing ring (1) and a clamp (6) are sequentially sleeved on the base (7) from inside to outside, the fixing nut (4) comprises two oppositely arranged nut components, the two nut components are connected through an elastic piece in a compression mode, the nut components are connected with one end of a guide pin (5), the other end of the guide pin (5) penetrates through the fixing ring (1) and extends into a sliding groove (61) in the inner wall of the clamp (6), and two side walls of the sliding groove (61) in the circumferential direction are respectively a first rotation limiting surface (62) and a second rotation limiting surface (63); when the guide pin (5) is in contact with the first rotation limiting surface (62), the bottom surface of the sliding groove (61) is not in contact with the guide pin (5), namely, pressure is not applied to the guide pin (5); when the guide pin (5) is in contact with the bottom surface of the sliding groove (61), the bottom surface of the sliding groove (61) exerts radial pressure on the guide pin (5) to enable the guide pin (5) to drive the nut component to move, and when the guide pin (5) is in contact with the second rotation limiting surface (63), the bottom surface of the sliding groove (61) exerts radial pressure on the guide pin (5) and the nut component stops moving.
2. The threaded quick connector according to claim 1, wherein the bottom surface of the sliding groove (61) comprises a first section bottom surface, a transition section bottom surface and a second section bottom surface which are connected in sequence, the depth of the second section bottom surface is less than that of the first section bottom surface, and the depth of the transition section bottom surface is gradually reduced from the first section bottom surface to the second section bottom surface; when the guide pin (5) is positioned on the inner side of the first bottom surface, the guide pin (5) is not contacted with the first bottom surface, when the guide pin (5) is positioned on the inner side of the second bottom surface, the second bottom surface applies pressure to the guide pin (5), and the included angle alpha between the first section bottom surface and the transition section bottom surface is 30-45 degrees.
3. A screw fast joint according to claim 1, characterized in that the end of the guiding pin (5) extending into the sliding groove (61) is hemispherical.
4. A screw fixation quick coupling according to claim 1, characterized in that said base (7) is provided with a groove in which a sealing ring (2) is arranged.
5. A threaded quick coupling according to claim 4, characterized in that said base (7) is provided with two grooves.
6. A screw-threaded quick coupling according to claim 1, characterized in that said sealing ring (2) is made of nitrile rubber.
7. A threaded quick connector according to claim 1, characterized in that said fixing ring (1) has a slot, said slot having a retaining ring (3) mounted therein, said retaining ring (3) being adapted to limit the axial movement of said clamp (6).
8. A screw-threaded quick coupling according to claim 1, characterized in that the outer surface of said collar (6) is provided with anti-slip knurling.
9. A screw-threaded quick coupling according to claim 1, wherein said elastic element is a spring (8).
10. A method for connecting a quick coupling and a transmitter with a screw thread fixed according to claim 1, characterized in that a pressure transmitter (12) is inserted into the quick coupling along a base (7) in a state that the clamp (6) is loosened, the clamp (6) is rotated to push the guide pin (5) by the bottom surface of the sliding groove (61), the guide pin (5) drives the two nut components to move relatively and compress the spring (8), when the clamp (6) rotates to the second rotation limiting surface (63), the two nut components are combined into a fixing nut (4), the screw thread of the fixing nut (4) clamps the transmitter screw thread, and the quick coupling and the transmitter are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010513995.7A CN111664158B (en) | 2020-06-08 | 2020-06-08 | Thread fixing quick connector and method for connecting quick connector and transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010513995.7A CN111664158B (en) | 2020-06-08 | 2020-06-08 | Thread fixing quick connector and method for connecting quick connector and transmitter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111664158A true CN111664158A (en) | 2020-09-15 |
| CN111664158B CN111664158B (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010513995.7A Active CN111664158B (en) | 2020-06-08 | 2020-06-08 | Thread fixing quick connector and method for connecting quick connector and transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111664158B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB332463A (en) * | 1929-09-26 | 1930-07-24 | Paul Rosset | Improvements relating to nuts |
| DE4011414A1 (en) * | 1990-04-09 | 1991-02-21 | Herbert Hummel | Metal or plastic threaded nut in two threaded half shells - has a sleeve surrounding its inner thread, and flexible hinge strip, and cylindrical pin |
| US5755544A (en) * | 1995-10-12 | 1998-05-26 | Muller Bem | Device for rapid securement on a screw-threaded rotatable drive shaft |
| CN201723552U (en) * | 2010-06-03 | 2011-01-26 | 上海轩安环保科技有限公司 | Novel fast nut |
| CN103207044A (en) * | 2013-03-27 | 2013-07-17 | 株洲南车时代电气股份有限公司 | Pressure transmitter with waterproof and ventilating membrane |
| CN203500238U (en) * | 2013-08-09 | 2014-03-26 | 成霖企业股份有限公司 | Rapid assembling-disassembling screw cap |
| CN107477071A (en) * | 2017-10-13 | 2017-12-15 | 襄阳五二五泵业有限公司 | A kind of quick locknut |
| CN208330957U (en) * | 2018-06-25 | 2019-01-04 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of Quick Release loading nut of simple structure |
-
2020
- 2020-06-08 CN CN202010513995.7A patent/CN111664158B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB332463A (en) * | 1929-09-26 | 1930-07-24 | Paul Rosset | Improvements relating to nuts |
| DE4011414A1 (en) * | 1990-04-09 | 1991-02-21 | Herbert Hummel | Metal or plastic threaded nut in two threaded half shells - has a sleeve surrounding its inner thread, and flexible hinge strip, and cylindrical pin |
| US5755544A (en) * | 1995-10-12 | 1998-05-26 | Muller Bem | Device for rapid securement on a screw-threaded rotatable drive shaft |
| CN201723552U (en) * | 2010-06-03 | 2011-01-26 | 上海轩安环保科技有限公司 | Novel fast nut |
| CN103207044A (en) * | 2013-03-27 | 2013-07-17 | 株洲南车时代电气股份有限公司 | Pressure transmitter with waterproof and ventilating membrane |
| CN203500238U (en) * | 2013-08-09 | 2014-03-26 | 成霖企业股份有限公司 | Rapid assembling-disassembling screw cap |
| CN107477071A (en) * | 2017-10-13 | 2017-12-15 | 襄阳五二五泵业有限公司 | A kind of quick locknut |
| CN208330957U (en) * | 2018-06-25 | 2019-01-04 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of Quick Release loading nut of simple structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111664158B (en) | 2021-07-13 |
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