Fluid connector
By using the positioning pins, rolling parts and groove through-hole matching structures of the valve body unit and handle in the fluid connector, the self-locking function is achieved, which solves the problems of leakage, casing and difficulty in operation of the existing fluid connectors, and improves the Reliability and operational ease reduce costs.
Patent Information
- Application Number
- CN202421119185.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-21
AI Technical Summary
Existing fluid connectors have problems such as leakage risk, casing failure, difficulty in operation, and large operating force. Especially when the diameter increases, the cost increases and cannot meet the performance requirements.
A fluid connector is designed, adopting a valve body unit and a handle structure, and the self-locking function is realized through the cooperation of the first positioning pin, the first rolling member and the groove through hole, ensuring that it can only be operated in the state of the fluid connector being connected. Handle to reduce leakage risk and simplify the structure to avoid jamming.
It effectively reduces the leakage risk of fluid connectors, improves reliability and operational convenience, avoids stuck faults, reduces operating force, simplifies the structure, and improves overall performance.
Smart Images
Figure CN222277800U_ABST
Abstract
Description
Technical Field
[0001] The present application is used in the field of connector technology, and in particular relates to a fluid connector. Background Art
[0002] Existing fluid connectors rely on spring force to ensure fluid sealing after separation during operation. Therefore, the number of parts is large, the precision requirements are high, non-standard design is adopted, the structure is complex, and the cost is high. Especially when the diameter becomes larger, the size of the corresponding parts becomes larger, and the cost increases significantly. The conventional fluid connector structure cannot meet the performance requirements of use, and there is a high risk of leakage, jamming and other failures, and the reliability is reduced. In particular, the operating force is large and the operation is difficult. At the same time, in order to ensure the seal, the spring force needs to be increased, resulting in the need for greater operating force during operation, which is inconvenient to operate. Utility Model Content
[0003] The purpose of the present application is to solve at least one of the technical problems existing in the prior art and to provide a fluid connector which can realize a self-locking function.
[0004] The technical solution adopted by this application to solve its technical problem is:
[0005] A fluid connector comprises a valve body unit and a handle, the valve body unit comprising a first positioning pin, the handle being arranged on the outer periphery of the valve body unit along the left-right direction, the valve body unit being provided with a first positioning groove along the left-right direction, the first positioning pin being located in the first positioning groove and being capable of extending and retracting in the left-right direction, a first groove being arranged on the outer side wall of the first positioning pin, a first through hole being arranged on the outer side of the valve body unit and being connected to the first positioning groove, a second groove being arranged on the inner side wall of the handle, a first rolling component being arranged in the first through hole, and in a corresponding state between the first groove and the first through hole, the first rolling component being embedded in the first groove and the first through hole, the handle being capable of moving relative to the valve body unit, and in a staggered state between the first groove and the first through hole, the second groove is arranged corresponding to the first through hole, and the first rolling component being embedded in the second groove and the first through hole.
[0006] In certain embodiments of the present application, the valve body unit includes an inner cavity and a ball valve, the inner cavity penetrates the valve body unit in the left-right direction, the ball valve can open and close the inner cavity, and the handle is connected to the ball valve.
[0007] In certain embodiments of the present application, two valve body units are provided, and the two valve body units are symmetrically arranged on the left and right sides. A clamping portion is provided at one end of the valve body unit along the left and right directions, and a connector for connecting a water pipe is provided at the other end. The two valve body units are detachably connected via the clamping portion, and the first positioning pin is provided on the clamping portion.
[0008] In certain embodiments of the present application, the ball valve is provided with a second through hole that can communicate with the inner cavity, a connecting rod is provided between the handle and the ball valve, the handle, the connecting rod and the ball valve are fixedly connected by bolts, and the connecting rod is coaxially arranged with the ball valve.
[0009] In certain embodiments of the present application, a first spring is disposed in the first positioning groove, and a first mounting groove matching with the first spring is disposed at the end of the first positioning pin.
[0010] In certain embodiments of the present application, the clamping portion is provided with a buckle and a slot that cooperate with each other, and the slots and the buckles of the two valve body units are correspondingly arranged. When the two valve body units are in a cooperative state, the first positioning pin is retracted into the first groove, the first rolling component is embedded in the first groove and the first through hole, and the handle can move relative to the valve body unit; when the two valve body units are separated, the end of the first positioning pin extends out of the first groove, the first groove and the first through hole are in a staggered state, the second groove and the first through hole are correspondingly arranged, and the first rolling component is embedded in the second groove and the first through hole.
[0011] In certain embodiments of the present application, a sealing seat is provided in the inner cavity, the sealing seat is located at the left and right ends of the ball valve, the sealing seat is arranged around the outer circumference of the ball valve, and when the ball valve is in a closed state, the sealing seat closes the second through hole of the ball valve.
[0012] In certain embodiments of the present application, a clamping nut is provided in the inner cavity, the clamping nut presses the sealing seat against the outer periphery of the ball valve, and the clamping nut is threadedly connected to the inner wall of the valve body unit.
[0013] In certain embodiments of the present application, a second positioning groove is provided on the inner wall of the valve body unit, a second positioning pin is provided in the second positioning groove, a retaining position for the second positioning pin is provided in the ball valve, and the second positioning pin is coaxially arranged with the connecting rod.
[0014] In certain embodiments of the present application, a third positioning groove is provided on the handle, a third positioning pin is provided in the third positioning groove, a third groove is provided on the outer wall of the valve body unit, a fourth groove is provided on the third positioning pin, a third through hole connected with the third positioning groove is provided on the inner side of the handle, the third through hole and the third groove are arranged corresponding to each other, a second rolling component is provided in the third through hole, the third positioning pin extends into the third positioning groove, the fourth groove, the third through hole and the third groove are connected, the handle can move relative to the valve body unit, the third positioning pin extends out of the third positioning groove, the fourth groove and the third through hole are staggered, the second rolling component is stuck in the third groove and the third through hole, and the handle cannot move relative to the valve body unit.
[0015] One of the above technical solutions has at least one of the following advantages or beneficial effects: when the fluid connector is not in use, the handle is in a locked state and cannot move. At this time, the second groove and the first through hole are correspondingly set, and the first groove and the first through hole are staggered. Under the obstruction of the first positioning pin, the first rolling component is completely embedded in the second groove and the first through hole; when the fluid connector is in a connected state, the first positioning pin completely enters the first positioning groove. At this time, the first groove and the first through hole are correspondingly set, and the first rolling component falls into the first groove, that is, the first rolling component is completely embedded in the first groove and the first through hole. At this time, the first rolling component is away from the handle, and the handle can move relative to the valve body unit, achieving the effect that the handle operation can be performed only when the fluid connector is in a connected state, thereby reducing the risk of leakage of the fluid connector. The fluid connector has a relatively simple structure, will not have problems such as jamming, has strong reliability, is effortless to operate, and is very convenient.
[0016] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0018] Figure 1 It is one of the cross-sectional views along the left-right direction of an embodiment of the present application;
[0019] Figure 2 This is the second cross-sectional view of an embodiment of the present application along the left-right direction;
[0020] Figure 3 is a cross-sectional view of another embodiment of the present application along the left-right direction;
[0021] Figure 4A cross-sectional view along the inner-outer direction of one embodiment of the present application. DETAILED DESCRIPTION
[0022] This section will describe in detail the specific embodiments of the present application. The preferred embodiments of the present application are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present application, but it cannot be understood as a limitation on the scope of protection of the present application.
[0023] In the present application, if there is a description of directions (up, down, left, right, front and back), it is only for the convenience of describing the technical solution of the present application, and does not indicate or imply that the technical features referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, it cannot be understood as a limitation on the present application.
[0024] In this application, "several" means one or more, "multiple" means more than two, "greater than", "less than", "exceed" and the like are understood to exclude the number itself; "above", "below", "within" and the like are understood to include the number itself. In the description of this application, if there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0025] In this application, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected, detachably connected, or integrally formed; they can be mechanically connected, electrically connected, or able to communicate with each other; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in this application in combination with the specific content of the technical solution.
[0026] in, Figures 1 to 4 The reference direction coordinate system of the embodiment of the present application is given. Figures 1 to 4 The embodiments of the present application are described with reference to the direction shown.
[0027] The embodiment of the present application provides a fluid connector, see Figures 1 to 4, including a valve body unit 100 and a handle 200, the valve body unit 100 includes a first positioning pin 300, the handle 200 is arranged on the outer periphery of the valve body unit 100 along the left-right direction, the valve body unit 100 is provided with a first positioning groove 110 along the left-right direction, the first positioning pin 300 is located in the first positioning groove 110 and can be extended and retracted along the left-right direction, a first groove 310 is provided on the outer side wall of the first positioning pin 300, a first through hole 120 connected to the first positioning groove 110 is provided on the outer side of the valve body unit 100, a second groove 210 is provided on the inner side wall of the handle 200, and a first rolling component 400 is provided in the first through hole 120, see Figure 1 , when the first groove 310 and the first through hole 120 correspond to each other, the first rolling member 400 is embedded in the first groove 310 and the first through hole 120, and the handle 200 can move relative to the valve body unit 100, see Figure 2 , when the first groove 310 and the first through hole 120 are in a staggered state, the second groove 210 and the first through hole 120 are correspondingly arranged, and the first rolling component 400 is embedded in the second groove 210 and the first through hole 120. When the fluid connector is not in use, the handle 200 is in a locked state and cannot be moved. At this time, the second groove 210 and the first through hole 120 are correspondingly arranged. At this time, the first groove 310 and the first through hole 120 are in a staggered state. Under the obstruction of the first positioning pin 300, the first rolling component 400 is completely embedded in the second groove 210 and the first through hole 120; when the fluid connector is in a connected state, the first positioning pin 300 The valve body 100 is completely inserted into the first positioning groove 110. At this time, the first groove 310 and the first through hole 120 are arranged corresponding to each other, and the first rolling component 400 falls into the first groove 310, that is, the first rolling component 400 is completely embedded in the first groove 310 and the first through hole 120. At this time, the first rolling component 400 is away from the handle 200, and the handle 200 can move relative to the valve body unit 100, so that the handle operation can only be performed when the fluid connector is in a connected state, thereby reducing the leakage risk of the fluid connector. The structure of the fluid connector is relatively simple, and there will be no failures such as jamming. It has strong reliability, is effortless to operate, and is very convenient.
[0028] The valve body unit 100 includes an inner cavity 130 and a ball valve 140. The inner cavity 130 penetrates the valve body unit 100 in the left-right direction. The ball valve 140 can open and close the inner cavity 130. The handle 200 is connected to the ball valve 140. The ball valve 140 is controlled by controlling the handle 200 to close and open the inner cavity 130 and control the flow of the fluid.
[0029] In some embodiments, see Figure 3There are two valve body units 100, and the two valve body units 100 are symmetrically arranged on the left and right sides. One end of the valve body unit 100 along the left and right direction is provided with a clamping portion 150, and the other end is provided with a connector 160 for connecting a water pipe. The two valve body units 100 are detachably connected through the clamping portion 150, and the first positioning pin 300 is provided on the clamping portion 150.
[0030] The ball valve 140 is provided with a second through hole 141 which can communicate with the inner cavity 130 , and a connecting rod 210 is provided between the handle 200 and the ball valve 140 . The handle 200 , the connecting rod 210 and the ball valve 140 are fixedly connected by bolts, and the connecting rod 210 and the ball valve 140 are coaxially arranged.
[0031] See also Figure 1 A first spring 111 is disposed in the first positioning groove 110 , and a first mounting groove matching with the first spring 111 is disposed at the end of the first positioning pin 300 .
[0032] See also Figure 1 The clamping portion 150 is provided with a buckle 151 and a slot 152 that cooperate with each other, and the slots 152 and the buckles 151 of the two valve body units 100 are correspondingly arranged. When the two valve body units 100 are in the matched state, the first positioning pin 300 is retracted into the first groove 310, and the first rolling component 400 is embedded in the first groove 310 and the first through hole 120, and the handle 200 can move relative to the valve body unit 100; when the two valve body units 100 are separated, the end of the first positioning pin 300 extends out of the first groove 310, the first groove 310 and the first through hole 120 are in a staggered state, the second groove 210 and the first through hole 120 are correspondingly arranged, and the first rolling component 400 is embedded in the second groove 210 and the first through hole 120.
[0033] See also Figure 1 and Figure 2 A sealing seat 131 is provided in the inner cavity 130 , and the sealing seat 131 is located at the left and right ends of the ball valve 140 . The sealing seat 131 is arranged around the outer circumference of the ball valve 140 . When the ball valve 140 is in the closed state, the sealing seat 131 closes the second through hole 141 of the ball valve 140 .
[0034] In some embodiments, a compression nut 132 is provided in the inner cavity 130 , and the compression nut 132 compresses the sealing seat 131 onto the outer periphery of the ball valve 140 . The compression nut 132 is threadedly connected to the inner wall of the valve body unit 100 .
[0035] See also Figure 1 A second positioning groove 170 is provided on the inner wall of the valve body unit 100 , a second positioning pin 171 is provided in the second positioning groove 170 , a locking position for the second positioning pin 171 is provided in the ball valve 140 , and the second positioning pin 171 is coaxially arranged with the connecting rod 210 .
[0036] As a preferred embodiment of this application, see Figure 4 The handle 200 is provided with a third positioning groove 220, and a third positioning pin 221 is provided in the third positioning groove 220. The outer wall of the valve body unit 100 is provided with a third groove 180, and the third positioning pin 221 is provided with a fourth groove 222. The inner side of the handle 200 is provided with a third through hole 230 connected with the third positioning groove 220, and the third through hole 230 is arranged corresponding to the third groove 180. A second rolling component 500 is provided in the third through hole 230, and the third positioning pin 221 extends into the third positioning groove 220. The fourth groove 222, the third through hole 230 and the third groove 180 are connected, and the handle 200 can move relative to the valve body unit 100. The third positioning pin 221 extends out of the third positioning groove 220, the fourth groove 222 and the third through hole 230 are staggered, and the second rolling component 500 is inserted into the third groove 180 and the third through hole 230. The handle 200 cannot move relative to the valve body unit 100, that is, when the two valve body units 100 are in a connected state and the fluid is in a connected state, the handle 200 cannot be opened, and the third positioning pin 221 needs to be pressed to operate the handle; when the two valve body units 100 are in a disconnected state, the fluid is in a disconnected state, and the handle 200 cannot be opened, and the third positioning pin 221 and the first positioning pin 300 need to be pressed at the same time to operate the handle.
[0037] In the description of this specification, the description with reference to the terms "example", "embodiment" or "some embodiments" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0038] Of course, the invention is not limited to the above-mentioned embodiments, and those skilled in the art may make equivalent modifications or substitutions without violating the spirit of the present application, and these equivalent modifications or substitutions are all included in the scope defined by the claims of the present application.
Claims
1. A fluid connector, characterized in that: The valve body unit comprises a first positioning pin, the handle is arranged on the outer periphery of the valve body unit along the left-right direction, the valve body unit is provided with a first positioning groove along the left-right direction, the first positioning pin is located in the first positioning groove and can be extended and retracted in the left-right direction, a first groove is arranged on the outer side wall of the first positioning pin, a first through hole connected with the first positioning groove is arranged on the outer side of the valve body unit, a second groove is arranged on the inner side wall of the handle, a first rolling component is arranged in the first through hole, when the first groove and the first through hole are in a corresponding state, the first rolling component is embedded in the first groove and the first through hole, the handle can move relative to the valve body unit, when the first groove and the first through hole are staggered, the second groove and the first through hole are arranged correspondingly, and the first rolling component is embedded in the second groove and the first through hole.
2. The fluid connector according to claim 1, characterized in that: The valve body unit comprises an inner cavity and a ball valve, the inner cavity penetrates the valve body unit in the left-right direction, the ball valve can open and close the inner cavity, and the handle is connected to the ball valve.
3. The fluid connector according to claim 2, characterized in that: The valve body units are provided with two, and the two valve body units are symmetrically arranged on the left and right sides. A clamping portion is provided at one end of the valve body unit along the left and right directions, and a joint for connecting a water pipe is provided at the other end. The two valve body units are detachably connected via the clamping portion, and the first positioning pin is provided on the clamping portion.
4. The fluid connector according to claim 3, characterized in that: The ball valve is provided with a second through hole which can communicate with the inner cavity, a connecting rod is provided between the handle and the ball valve, the handle, the connecting rod and the ball valve are fixedly connected by bolts, and the connecting rod and the ball valve are coaxially arranged.
5. The fluid connector according to claim 4, characterized in that: A first spring is arranged in the first positioning groove, and a first installation groove matching with the first spring is arranged at the end of the first positioning pin.
6. The fluid connector according to claim 5, characterized in that: The clamping portion is provided with a buckle and a slot that cooperate with each other, and the slots and the buckles of the two valve body units are arranged correspondingly. When the two valve body units are in a cooperative state, the first positioning pin is retracted into the first groove, the first rolling component is embedded in the first groove and the first through hole, and the handle can move relative to the valve body unit; when the two valve body units are separated, the end of the first positioning pin extends out of the first groove, the first groove and the first through hole are in a staggered state, the second groove and the first through hole are arranged correspondingly, and the first rolling component is embedded in the second groove and the first through hole.
7. The fluid connector according to claim 4, characterized in that: A sealing seat is provided in the inner cavity, and the sealing seat is located at the left and right ends of the ball valve. The sealing seat is arranged around the outer circumference of the ball valve. When the ball valve is in a closed state, the sealing seat closes the second through hole of the ball valve.
8. The fluid connector according to claim 7, characterized in that: A clamping nut is arranged in the inner cavity, and the clamping nut presses the sealing seat onto the outer periphery of the ball valve. The clamping nut is threadedly connected to the inner wall of the valve body unit.
9. The fluid connector according to claim 4, characterized in that: A second positioning groove is provided on the inner side wall of the valve body unit, a second positioning pin is provided in the second positioning groove, a clamping position for the second positioning pin is provided in the ball valve, and the second positioning pin is coaxially arranged with the connecting rod.
10. The fluid connector according to claim 1, characterized in that: The handle is provided with a third positioning groove, and a third positioning pin is provided in the third positioning groove. The outer side wall of the valve body unit is provided with a third groove, and the third positioning pin is provided with a fourth groove. The inner side of the handle is provided with a third through hole connected with the third positioning groove, and the third through hole is arranged corresponding to the third groove. A second rolling component is provided in the third through hole, and the third positioning pin extends into the third positioning groove. The fourth groove, the third through hole and the third groove are connected. The handle can move relative to the valve body unit, and the third positioning pin extends out of the third positioning groove. The fourth groove and the third through hole are staggered. The second rolling component is stuck in the third groove and the third through hole, and the handle cannot move relative to the valve body unit.