TWM259103U - Fluid joint with improved check valve - Google Patents

Description

M259103_ Fourth, creation instructions (1) " a " ~ ----- [Technical field to which this creation belongs] This creation is about a fluid joint with an improved check valve, especially a fluid joint provided inside The check valve is provided with a guide rod that moves upward between the two through holes and passes through the center of the valve body, so that the lower end of the valve body has a larger surface impacted by water flow, making it more stable when moving up and down. The upper end of the guide rod is also provided with a magnetic body, so that when the guide rod moves up and down, the magnetic body and a magnetic induction switch provided on the inner wall of the rotary pipe are controlled to control whether the motor moves or not. [Prior art] As shown in FIG. 1, the conventional fluid joint is mainly provided with an inlet pipe 2 1 and a plurality of outlet pipes 22, wherein an outer diameter of the inlet pipe forms an external thread 2 1 0 If the water inlet pipe is located inside the joint, it will neck down a contact edge 2 π, where the contact edge can resist a valve seat 24, and an O-ring is sandwiched between the valve seat 24 and the contact edge 2 u. 240, and a stopper 23 is set on the top of the valve seat 24. A spacer spring 25 is used between the drill seat 23 and the valve seat 24 to make the valve seat 24 and the O-ring 24 to support the elastic spring 25. And keep it in contact with the abutment edge 2 11 of the water inlet pipe 2 丨 for a long time, and the inside of the stopper 2 3 is provided with a plurality of water outlet holes 230 ′ so that the fluid flowing through the water inlet pipe 21 can be The water outlet hole 23 is output from the outlet 2 3 1 of the stopper 23, and each outlet pipe 22 of the connector i is formed into different sizes according to the different types of pipelines to be connected. Thread 2 2 0 or / 2 2 1 and each outlet pipe 2 2 and the inlet pipe 2 丨 form a path < thereby, when the joint 1 is implemented, its flow system The water inlet pipe 2 1 of the joint 丨 enters and pushes the valve seat 2 4 with the force of the fluid to offset the tension of the spring 25, so that the valve seat 24 together with the O-ring 24 0 moves, so that the fluid can enter the joint separately.

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Page 6 M259103 _____ IV. Creation Instructions (2) 1, and the water outlets 231 of each water outlet pipe 22 and earth stop 23 are output to each pipe. The above-mentioned conventional joint structure is described in the Patent No. 3 3 2 2 3 3. At the current stage, there are many and messy joints in the Tfr field and upper pipeline. Some pipeline joints use the metric screw standard. Some are standard for pod-made screw teeth, which causes inconvenience in assembly. Therefore, the patent case No. 3 3 2 2 3 3 proposes to make each inlet and outlet pipe have internal and external threads respectively to improve its application. Sex. In addition, the patent case No. 2 1 4 8 5 7 proposed the concept of setting a flow detection switch above the check valve integrated with the pump unit 4, and a ring integrated with the check valve is provided at the upper end of the check valve. Type magnet, and then extend a magnetic reed switch from the hole formed in the center of the check valve cover to the bottom of the hole, which is about the center position of a ring magnet. The motor is controlled by the induction of a ring magnet and a reed switch. : However, regardless of the conventional fluid connection proposed in the Patent No. 3 3 3 2 9 3 or the idea proposed in the Patent No. 2 1 4 8 5 7, they have the following defects: 1 pa me A separate O-ring is required to seal the water inlet, but the O-ring is extremely vulnerable to the impact of the water flow, resulting in fatigue fatigue and water leakage. The lower end of the lower seat needs to be provided with several extension feet to insert it into the water inlet to ensure that it can cry; Γ ^ 's stability' The setting of only a few pins not only reduces the area of the lower end of the valve seat which is exposed to water, fracture, and the formation between the feet A variety of runners are turbulent and the feet are easy to age. The A patent No. 2 1 4 8 5 7 has a magnetic spring opening relationship installed in the center of the ring-shaped magnetic / moving path, so that the ring-shaped magnet can only be installed. On the upper end of the valve body, the whole

Page 7 M259103 Fourth, the use of creative instructions (3). In view of this, there is eventually this book [the reason for this creation, the head is designed to be able to move downwards in accordance with the original movement, and the magnetic induction opens the area only by the central flow to promote the area as for This photo is attached to the following [this creation of this creation, the connector of the fluid is connected to the pressure pump to the pump or the adjustment is restricted, can not be timely due to the functional characteristics of the product, the creator is anxious to improve and innovate, after many years The emergence of research creation. Content] The purpose of this creation is to provide a check valve with an improved check valve in response to the function of a pump or other purpose, which can stably move up and down and control the motor or Actor of the pump. This kind of carcass joint with improved anti-earth worm is used to move the guide rod of the check valve through the valve body between the upper and lower through holes to make the whole stable. The off sensor set on one side to control the motor movement is the second purpose of this creation. This kind of fluid joint with improved check valve, because the check valve guide rod moves between the two through holes, the lower end of the valve body has a larger amount of water to move more smoothly, which is another purpose of this creation. The detailed structure, application principle, function and effect of the creation can be fully understood by referring to the description made in the figure. Implementation Mode] The fluid joint with improved check valve is as shown in Figures 2 and 3 & The joint 3 is composed of a joint body 4 and a screw connection pipe 5. Among them, the inside of the T body 4 is hollow, and the surroundings are provided with through pipes 61, 62, 63, pressure switches or other components, and the lower end is a pipe 41 for connection. Hydraulic press, as shown in the figure, the lower end of the connector body 4 is a water inlet

M259103____ Fourth, the description of the creation (4) integrally forms a guide cone seat 4 2 with a slightly conical protrusion. The guide post seat 4 2 has a horizontal seat post 4 3 in the center and a through hole 4 3 in the center of the seat post 4 3. The water flow can pass through both sides of the seat post 43; the internal check valve 7, as shown in the figure, is composed of a rubberized valve body 71 with a metal block 710 inside and a guide running up and down through the center of the valve body Composed of a rod 72, the upper end of the valve body 7 1 is formed with a tapered convex portion 7 1 1 to set a bell-shaped spring 7 3, and the upper end of the guide rod is provided with a receiving slot to receive magnetic bodies 7 4 such as magnets; The guide rod 7 2 passes through the central through hole 4 3 1 of the seat post, a bell spring 7 3 is sleeved on the outside of the guide rod 7 2, and then the screw connection pipe 5 is screwed on the upper end of the joint body 4. The inside of the swivel tube 5 is integrally formed with a cross rod 51, and a through tube 5 2 extending downward is provided in the center of the cross rod 51 for the guide rod 7 2 of the check valve 7 to pass through, and a bell spring is provided. The upper end of 7 3 is fixed, and its cross bar 5 1-is provided with a lateral receptacle 53 which is connected to the outside of the <> so that a magnetic induction switch 54 can be inserted from the outside. The magnetic induction switch 54 can be magnetic The reed switch is also an electronic IC sensing element that operates after sensing with the magnetic body. In the implementation of this creation, as shown in Figure 4, after the water flows through the water inlet of the lower-end nozzle, the rubber valve body 71 is pushed up evenly from both sides of the seat post 43. When the water pressure is greater than the elasticity of the bell spring 73, the rubber valve The body 71 is stably pushed up from the seat post 43, and at the same time, the magnetic body 74 located at the upper end of the guide bar is moved upward due to the synchronous movement away from the sensing range of the magnetic induction switch 54, so that the magnetic induction switch 54 generates a switch Action, the two lines connected to the magnetic induction switch 5 4 transmit signals to the air brake (not shown), and then control the motor action; otherwise, when the water flow at the water inlet stops, the rubber valve body 71 and the guide rod 72 fall, The magnetic body 74 is retracted to the forward sensing position of the magnetic induction switch 54 to return the motor to its original operation. Related to this creation of a fluid joint with an improved check valve ’

Page 9 M259103 ______ IV. Creation instructions (5) The head type is not limited to the body shown in this creative embodiment, such as other adapters 8 丨 which can be screwed to the outlet of the pump (shown in Figure 5) Or the horizontal joint 8 2 (as shown in Fig. 6) installed at the water inlet of the pump can be applied. As shown in Fig. 5, the adapter joint 81 can be equipped with a pressure bucket 83 on its upper end. A pressure switch 8 4 is installed on the other side; a horizontal joint 8 2 as shown in FIG. 6 can be installed at the water inlet of the water pump 85. Even as shown in FIG. 7, a check valve having a pin at the lower end can be used by installing a magnetic body 92 on the upper end of the valve rod 91 and inserting a magnetic induction switch 9 4 into the pipe wall of the screw joint 9 3. The fluid joint with an improved check valve of this creation has a magnetic body on the upper end of the valve stem and a magnetic induction switch provided on one side to be mutually inductive. Because the magnetic induction is on, an electronic IC induction element is used. The reason ^ can be implemented in any position where the j-type IC sensing element can sense with the magnetic body, so the position of the electronic 1C sensing element is not limited to the left and right sides or the upper end. It can be provided with a fixed position. For example, the magnetic induction switch can be installed in the side receiving groove of the rotary pipe as described above, or can be installed in the upper receiving groove of the rotary pipe. β, which can be summed up the characteristics of this creation: 1. The check valve 7 uses a guide rod 72 that is installed on the valve body as the moving axis, and the gel body 7 is attached to the seat in one piece. The upper end of the rod makes the bottom of the valve body except the area covered by the seat rod, and the bottom surface of the valve body can be evenly pushed up by the current, which makes the body more stable and balanced when it moves. f 2. The interposition body is covered with metal blocks by a gel surface, so that it not only has a certain holding weight, but also has good elasticity and maintains a good adhesion effect with the upper end of the seat post. Situation of leakage.

Page 10 M259103__ 4. Creation instructions (6) 3. The magnetic body 7 4 is located at the top of the guide rod, and is screwed to the inner wall of the pipe. It is extremely convenient to install components such as pressure buckets in a timely manner. The movement of the check valve only needs to be enhanced by a position-sensitive magnetic induction switch that is stable and not subject to water flow. It is no doubt that the conventional fluid is effectively improved. Therefore, we ask for your investigation and grant the patent in this case. For those who need to know, the above is a change of the concept of this creation, the spirit covered by the book and illustrations / Dongming. Or the magnetic induction switch is inserted from the outside, and the fluid connector can have practical effects depending on the use position. This kind of fluid joint with improved check valve is supported by the central guide rod. The overall movement will be more affected. In addition, the motor is controlled by the up and down movement of the guide rod. The overall performance can indeed lack the large joint. Its novelty and practicality Sex reviewers encourage Chinese people to create. Detailed review is a better specific embodiment of this creation. If the functional effect produced by it is not exceeded, it should be shared within the scope of this creation.

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Page 11 M259103_ Brief Description of Drawings Figure 1 is a perspective partial sectional view of a conventional joint. Figure 2 is a three-dimensional exploded view of the creation, Figure 3 is a combined sectional view of the creation, and Figure 4 is an implementation view of the creation. Figure 5 is a diagram of another fluid joint implemented in the creation. Fig. 6 is a diagram showing the implementation of the creation at another fluid joint. Figure 7 is a diagram of a check valve implemented with feet. &lt; Comparison of component numbers and names in the figure &gt; 1: connector 21: inlet pipe 22: outlet pipe 210: external thread 2 1 1: abutment edge 24: valve seat 240: 0 ring 23: stopper seat 2 5: interval Spring 2 3 0: Outlet 2 3 1: Outlet 2 3 1 2 2 0: Internal thread 2 2 1: External thread 11 III _ 1 Page 12 M259103 Brief description of the drawing 3: Fluid connection 4: Connection body 5: Swivel pipe 61, 6 2, 6 3: Through pipe 41: Takeover 4 2: Guide post seat 43: Seat post 4 3 1 ·· Through hole 7: Check valve 7 1 0: Metal block 71: Rubber valve body 72: Guide bar 7 11: Conical projection 7 3: Bell spring 74: Magnetic body 51: Cross bar 5 2: Through tube 5 3: Receptacle 5 4: Magnetic induction switch 81: Adapter joint 82: Horizontal Connector 83: Pressure bucket 84: Pressure switch 8 5: Pump

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Claims (1)

M259103 V. Scope of patent application_ 1 · A fluid joint with improved check valve α \ The upper end of the joint body is provided with a swivel joint, and the joint body is provided with a body and a spring shoe ', which is characterized by the upper end of the guide rod of the valve body A magnetic body is arranged at the place, and the magnetic body can interact with a magnetic induction switch provided on the inner wall of the rotary pipe as the guide rod moves up and down to control the start or stop of the motor. 2 · Fluid connector with improved 1 ^ check valve according to item 1 of the scope of patent application, wherein the magnetic body provided on the upper end of the guide rod 'the magnetic system is covered within the guide rod 3 The fluid connection of the improved check valve, wherein the magnetic induction switch is a magnetic reed switch. 4. The fluid joint with an improved check valve according to item 1 of the scope of the patent application, wherein the magnetic induction switch is an electronic IC induction element. Then use 5 of them. • As stated in the fourth item of the patent scope, the change is ~ ~ η ”&lt; Muscle · The electronic IC induction element described in the head can be installed at any position of the screw tube. The movement can be sensed by any person. 6 · As described in the application of the first 2 of the scope of the patent 2 with a modified check valve fluid connection with the valve system described in the inside of the metal body of the rubber valve body. 7 · If the scope of the patent application 1 or 6 fluid connector with improved check valve, wherein the upper end of the valve body is integrally formed with a tapered protrusion to set a fixed bell spring. 7 ping among them · among which the guide rod 8 · as claimed ^ patent scope The fluid joint with the improved check valve of item 1, the guide rod is a body that penetrates the valve body up and down. 9 · The fluid joint with the improved check valve of item 1 of the patent scope of Shenyan, the joint body The water inlet at the inner lower end is integrated into a water inlet Page 15 M259103 __ 5. Scope of patent application. A rod is arranged in the center of the guide rod seat, and a through hole provided in the center of the seat rod is provided for the lower end of the guide rod to pass through. 10 · The fluid joint with an improved check valve as described in item 1 of the scope of the patent application, wherein the spiral connecting tube integrally forms a T-shaped cross rod, and a through tube is provided at the center of the T-shaped cross rod for the upper end of the bell spring to be sleeved. , And provide the wearer of the upper end of the guide. 1 1 · The fluid joint with improved check valve according to item 1 or 10 of the scope of patent application, wherein the screw connection pipe is provided with a groove and a groove connected to the inside of the T-shaped cross-rod near the through pipe. It can be used to set up magnetic induction switches. 1 2. The fluid joint with an improved check valve according to item 1 of the scope of the patent application, wherein the joint body can be formed with a plurality of through pipes around it, and each of the through pipes may have different or the same pipe diameter according to the connected components. . &lt; Page 16