Fluid connector and first connector thereof

Abstract

The utility model discloses a kind of fluid connector and its first connector, and the first connector includes first body, stop valve cover, locking sleeve and locking piece located in locking sleeve. The inside of first body has first passage, locking sleeve is sleeved on the lateral wall of first body, lateral through-hole is opened on the lateral wall of first body, and locking piece is also located in lateral through-hole;Stop valve cover is installed in first passage and its inside has second passage, and stop valve cover can also slide relative to first body and at least have blocking position and release blocking position;Pusher is fixed in second passage in first passage;When stop valve cover switches to blocking position, stop valve cover blocks locking piece to move to the center line of first passage, and pusher makes second passage in closed state;When stop valve cover switches to release blocking position, stop valve cover is released from the blocking of locking piece, and pusher makes second passage in open state;To simplify manufacturing process and one-hand operation.

Description

Technical Field

[0001] This utility model relates to connectors used in cooling systems for servers, new energy charging piles, energy storage, etc., and particularly to a fluid connector and its first connector. Background Technology

[0002] As is well known, connectors are indispensable in cooling systems such as servers, new energy charging piles, and energy storage. By plugging and unplugging the male and female ends of the connector, the pipeline can be quickly connected or disconnected.

[0003] Currently, existing connectors include male and female terminals that engage in a plug-in / plug-out process. The male terminal comprises a one-piece male terminal body, a flow-stop valve core assembled within the male terminal body, a spring located within the male terminal body, and an inner retaining ring secured within the male terminal body. The spring abuts against the flow-stop valve core and the inner retaining ring. A locking groove is provided on the outer wall of the male terminal body, and an inner stop structure is provided on the inner wall of the male terminal body for blocking and limiting the movement of the flow-stop valve core.

[0004] The female end includes an integral female end cylinder, a locking sleeve fitted on the female end cylinder, a stop valve sleeve assembled in the female end cylinder, a valve core rod fixed in the female end cylinder, and a ball located in the locking sleeve; a countersunk hole communicating with the female end cylinder is opened on the side wall of the female end cylinder, and the ball is also located in the countersunk hole, and is limited by the countersunk hole and the inner side wall of the locking sleeve.

[0005] Because the radial movement of the balls in the countersunk hole is limited by the inner walls of the countersunk hole and the locking sleeve, the balls in the female end are always in the locked position before being inserted into the male end. Therefore, each time the female end is inserted into the male end, the operator needs to slide the locking sleeve relative to the female end cylinder to a preset position so that the locking sleeve in this position can provide clearance for the balls in the locked position in the countersunk hole, in order to meet the requirement that "the balls are first lifted to the unlocked state by the male end cylinder during the insertion of the male end and the female end, and then move to the locked position where they are locked into the locking groove of the male end cylinder".

[0006] However, this operation requires both hands and cannot be performed with one hand, so the locking between the male and female terminals cannot achieve the purpose of quick connection.

[0007] In addition, the female terminals in existing connectors also suffer from drawbacks such as complex assembly processes, complex manufacturing processes, and high manufacturing costs.

[0008] Furthermore, since the spring of the male terminal in the existing connector is installed and limited by an inner retaining ring and an inner retaining ring, the male terminal has the disadvantages of complex assembly process and high manufacturing cost.

[0009] Therefore, there is an urgent need for a fluid connector and its first connector to overcome one or more of the above-mentioned defects. Utility Model Content

[0010] One objective of this invention is to provide a first connector for a fluid connector, which simplifies the manufacturing process and enables one-handed operation.

[0011] Another objective of this invention is to provide a fluid connector that simplifies the manufacturing process and allows for one-handed operation.

[0012] To achieve the above objectives, the first connector of the fluid connector of this utility model includes a first body, a stop valve sleeve, a locking sleeve, and a locking member located within the locking sleeve. The first body has a first channel inside. The locking sleeve is fitted onto the side wall of the first body and can slide along the side wall in a first direction. A lateral through hole communicating with the first channel is opened at the position on the side wall of the first body fitted by the locking sleeve. The locking member is also located in the lateral through hole. The flow-stop valve sleeve is fitted into the first channel in a sealing fit. The flow-stop valve sleeve has a second channel inside. The flow-stop valve sleeve can also slide relative to the first body in the first direction and has at least a blocking position and a releasing position. A pusher is fixed in the first channel and inserted into the second channel. When the flow-stop valve sleeve is switched to the blocking position, the flow-stop valve sleeve prevents the locking member from moving towards the center line of the first channel, and the pusher keeps the second channel in a closed state. When the flow-stop valve sleeve is switched to the releasing position, the flow-stop valve sleeve disengages from blocking the locking member, and the pusher keeps the second channel in an open state.

[0013] Compared with the prior art, because the stop valve sleeve prevents the locking member from moving towards the center line of the first channel when it is in the blocking position, thus prohibiting the locking member from moving to the locked state; when the stop valve sleeve is in the releasing position, it releases its obstruction of the locking member, allowing the locking member to move to the locked state. This allows the stop valve sleeve to maintain the blocking state of the locking member before the first connector and the second connector of this utility model are inserted, thus keeping the locking member in the unlocked state. As a result, the operator does not need to slide the locking sleeve during the insertion of the first connector and the second connector of this utility model, thus allowing the insertion of the first connector and the second connector of this utility model to be performed with one hand; and because the locking member is limited by the stop valve sleeve and the locking sleeve, the manufacturing process of the first connector of this utility model is simplified.

[0014] Preferably, when the stop valve sleeve is in the blocking position, it covers the lateral through hole and abuts against the locking member; when the stop valve sleeve is in the releasing position, it exposes the lateral through hole and separates from the locking member.

[0015] Preferably, the side wall of the first body is provided with a limiting structure protruding towards the locking sleeve, and the limiting structure is arranged on the opposite side of the pusher body with the lateral through hole as the center in the first direction; when the stop valve sleeve is switched to the blocking position, the locking member abuts against the locking sleeve in the first direction and is limited; when the stop valve sleeve is switched to the releasing position, the locking sleeve drives the locking member to move towards the center line of the first channel to the locking state, and the limiting structure abuts against the locking sleeve in the first direction and is limited.

[0016] Preferably, the first connector of this utility model further includes a first reset member for driving the stop valve sleeve to slide and reset to the blocking position, and a second reset member for driving the locking sleeve to slide and reset to the limiting structure. The second reset member is disposed between the locking sleeve and the first body, and the first reset member is located in the first channel. Alternatively, the first reset member is disposed between the stop valve sleeve and the first body; the limiting structure is a retaining ring that engages with the side wall of the first body.

[0017] Preferably, the locking members are a plurality of spaced apart from each other in the circumferential direction of the locking sleeve, and each locking member corresponds to a lateral through hole; the locking members are ball bearings; the side wall of the locking sleeve is provided with a protruding structure protruding into the interior of the locking sleeve, the end face of the protruding structure facing the locking member has an inclined surface that is inclined relative to the first direction, and the inclined surface is also arranged opposite to the side wall of the locking sleeve; the outer side wall of the end of the stop valve sleeve is provided with a chamfered structure that is inclined relative to the first direction.

[0018] Preferably, the first connector of this utility model further includes a first sealing ring, a second sealing ring, and a third sealing ring. The first sealing ring is located in the first channel and abuts against the side wall of the first body and the side wall of the stop valve sleeve. The second sealing ring is located in the second channel and abuts against the side wall of the stop valve sleeve. The third sealing ring is sleeved on the pusher body. When the third sealing ring is in the blocking position, it seals against the side wall of the stop valve sleeve. When the third sealing ring is in the releasing position, it gap-fits against the side wall of the stop valve sleeve.

[0019] Preferably, the first body includes a first connecting seat and a first connecting valve sleeve. The first end of the first connecting valve sleeve is threadedly connected or sleeved to the first end of the first connecting seat in a sealing fit. The first channel passes through both the first connecting valve sleeve and the first connecting seat. The pusher is located in the first channel of the first connecting valve sleeve and clamps between the first connecting valve sleeve and the first connecting seat in the first direction. The check valve sleeve is fitted in the first channel of the first connecting valve sleeve. The lateral through hole is located on the first connecting valve sleeve. The first channel of the first connecting valve sleeve has a blocking shoulder near the lateral through hole to prevent the check valve sleeve from sliding out of the first connecting valve sleeve in a direction away from the first connecting seat.

[0020] To achieve the above objectives, the fluid connector of this utility model includes the aforementioned first connector and a second connector that mates with and connects to the first connector.

[0021] Preferably, the second connector includes a second body, a check valve core, and a return member. The second body includes a second connecting seat, a second connecting valve sleeve, and a third channel passing through both the second connecting seat and the second connecting valve sleeve. The first end of the second connecting seat is threadedly connected to or sleeved with the first end of the second connecting valve sleeve in a sealing fit. The check valve core is fitted in a sealing fit within the third channel of the second connecting valve sleeve. The check valve core can also slide relative to the second connecting valve sleeve to have at least a sealed position and an open position. The outer side wall of the second connecting valve sleeve is provided with a locking structure that cooperates with the locking member, and the inner side wall of the second connecting valve sleeve is provided with a structure that prevents the check valve core from moving away. The limiting shoulder of the second connecting valve sleeve slides out of the direction of the second connecting seat. The side wall of the second connecting seat is provided with an arched structure protruding into the third channel. The return member is located in the third channel and is also provided between the stop valve core and the arched structure. During the connection process between the first connector and the second connector, the second connecting valve sleeve pushes the stop valve sleeve from the blocking position to the releasing position, and the pushing body pushes the stop valve core from the sealing position to the opening position. Then, the locking sleeve drives the locking member to lock with the matching locking structure to realize the locking connection between the first connector and the second connector.

[0022] Preferably, the locking structure has a pushing slope that is inclined relative to the first direction and engages with the locking member; the return member is a spring that abuts against the flow stop valve core and the arched structure.

[0023] Compared with the prior art, since the stop valve sleeve prevents the locking member from moving towards the center line of the first channel when it is in the blocking position, thus prohibiting the locking member from moving to the locked state, and releases the stop valve sleeve from blocking the locking member when it is in the releasing position, allowing the locking member to move to the locked state, the stop valve sleeve keeps the locking member in the blocking state before the first connector and the second connector of this utility model are inserted, thus keeping the locking member in the unlocked state. Therefore, the operator does not need to slide the locking sleeve during the insertion of the first connector and the second connector of this utility model, thus enabling the insertion of the first connector and the second connector of this utility model to be operated with one hand. Furthermore, since the locking member is limited by the stop valve sleeve and the locking sleeve, the manufacturing process of the first connector of this utility model is simplified. Attached Figure Description

[0024] Figure 1 This is a plan view of the fluid connector of this utility model after the first connector and the second connector are mated together.

[0025] Figure 2 It is along Figure 1 Internal view of the section cut along the BB line.

[0026] Figure 3 yes Figure 2 Enlarged view of section C.

[0027] Figure 4 This is a plan view of the first connector in the fluid connector of this utility model.

[0028] Figure 5 It is along Figure 4 Internal view of the section cut along the DD line.

[0029] Figure 6 yes Figure 5 Enlarged view of section E in the middle.

[0030] Figure 7 This is a plan view of the second connector in the fluid connector of this utility model.

[0031] Figure 8 It is along Figure 7 Internal view of the section cut along the FF line. Detailed Implementation

[0032] To explain the technical content and structural features of this utility model in detail, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0033] Please see Figure 1 and Figure 2The fluid connector 1000 of this utility model includes a first connector 100 and a second connector 200 that mates with the first connector 100. The state of the second connector 200 after mating with the first connector 100 is shown in the figure. Figure 1 and Figure 2 As shown. Furthermore, the specific structures of both the first connector 100 and the second connector 200 are described below: Combination Figure 4 and Figure 5 As an example, the first connector 100 includes a first body 10, a check valve sleeve 20, a locking sleeve 30, and a locking member 40 located within the locking sleeve 30. The first body 10 has a first channel 11 internally, which can optionally be... Figure 5 In this example, the first channel 11 is a straight channel to facilitate its manufacturing and processing on the first body 10. Obviously, depending on actual needs, the first channel 11 can also be an "L" channel, etc., so it is not considered... Figure 5 The above is the limit.

[0034] The locking sleeve 30 is fitted onto the side wall 12 of the first body 10. The locking sleeve 30 can slide along the side wall 12 in a first direction (see the direction indicated by arrow A and the opposite direction) to meet the need for the locking sleeve 30 to provide clearance for the switching of the locking member 40 to the unlocking state during the sliding process in the direction indicated by arrow A, and to meet the need for the locking sleeve 30 to drive the locking member 40 closer to the center line of the first channel 11 during the sliding process in the opposite direction indicated by arrow A (see the center line 12). Figure 5 The need for movement at the center line (in the middle); in addition, a lateral through hole 13 communicating with the first channel 11 is provided at the position where the locking sleeve 30 is fitted on the side wall 12 of the first body 10, and the locking member 40 is also located in the lateral through hole 13; alternatively, in Figure 5 In this example, the locking elements 40 are multiple units spaced apart from each other in the circumferential direction of the locking sleeve 30, and each locking element 40 corresponds to a lateral through hole 13. This design increases the reliability of the locking connection between the first connector 100 and the second connector 200. Obviously, depending on actual needs, there can also be only one locking element 40, so it is not considered as such. Figure 5 The above is the limit.

[0035] The check valve sleeve 20 is fitted in a sealing manner into the first channel 11 to prevent leakage at the fit between the check valve sleeve 20 and the first body 10; the check valve sleeve 20 has a second channel 21 inside, which can optionally be used to... Figure 5 In this example, the centerline of the second channel 21 is a straight line, but this is not a limitation. Additionally, the stop valve sleeve 20 can also slide relative to the first body 10 along the first direction to at least have... Figure 5 The blocking position shown and Figure 2The release position is shown. A pusher 50 is fixed inside the first channel 11 and inserted into the second channel 21.

[0036] Therefore, when switching the flow stop valve sleeve 20 to Figure 5 When the stop valve sleeve 20 is in the blocking position shown, while the locking member 40 moves towards the center line of the first channel 11, the pusher 50 closes the second channel 21. At this time, external fluid cannot pass through the first connector 100; when the stop valve sleeve 20 switches to... Figure 2 When the valve is in the released position as shown, the stop valve sleeve 20 disengages from the locking member 40, and the pusher 50 opens the second channel 21, allowing external fluid to pass through the first connector 100. A more detailed description of the structure of the first connector 100 is provided below: like Figure 5 As shown, as an example, when the stop valve sleeve 20 is in the blocking position, it covers the lateral through hole 13 and abuts against the locking member 40. This prevents the locking sleeve 30 from moving the locking member 40 towards the centerline of the first channel 11 before the stop valve sleeve 20 switches from the blocking position to the releasing position. This ensures that the locking member 40 is in an unlocked state before the second connector 200 and the first connector 100 are mated, thus facilitating the mating operation of the second connector 200 and the first connector 100 and improving the convenience of one-handed operation. Additionally, as... Figure 2 As shown, as an example, when the stop valve sleeve 20 is in the released position, the lateral through hole 13 is exposed and separated from the locking member 40, as shown in the diagram. Figure 3 As shown, this design ensures that the locking sleeve 30 only drives the locking member 40 to move closer to the center line of the first channel 11 when the second connector 200 and the first connector 100 are inserted into the preset position, thereby achieving the purpose of locking the second connector 200 and the first connector 100 together by the locking member 40.

[0037] Combination Figure 2 , Figure 3 and Figure 5 As an example, the side wall 12 of the first body 10 is provided with a limiting structure 14 for a protruding locking sleeve 30. The limiting structure 14 is arranged on the opposite side of the pusher body 50 with the lateral through hole 13 as the center in the first direction. For example, in Figure 2 and Figure 5In this example, the limiting structure 14 is located to the left of the lateral through hole 13, and the pusher 50 is located to the right of the lateral through hole 13. Therefore, when the stop valve sleeve 20 is switched to the blocking position, the locking member 40 abuts against the locking sleeve 30 in the first direction to ensure that the locking member 40 is in an unlocked state before the first connector 100 is engaged with the second connector 200, thus facilitating the operator to engage the first connector 100 and the second connector 200 with one hand. Furthermore, when the stop valve sleeve 20 is switched to the unblocking position, the locking sleeve 30 moves the locking member 40 towards the center line of the first channel 11 to the locked state. At this time, the limiting structure 14 abuts against the locking sleeve 30 in the first direction to effectively prevent the locking sleeve 30 from accidentally falling off the first body 10. In addition, in... Figure 2 , Figure 3 and Figure 5 As an example, the side wall 31 of the locking sleeve 30 is provided with a protruding structure 32 protruding from the interior of the locking sleeve 30. The end face of the protruding structure 32 facing the locking member 40 has an inclined surface 321 that is inclined relative to the first direction. The inclined surface 321 is also arranged opposite to the side wall 31 of the locking sleeve 30. Therefore, with the help of the inclined surface 321, the locking sleeve 30 can more smoothly and reliably drive the locking member 40 to move towards the center line of the first channel 11 to the locked state when the stop valve sleeve 20 is switched to the release position. This allows the locking member 40 in the locked state to move laterally (see...) Figure 3 The first connector 100 and the second connector 200 are securely locked together by the protruding structure 32 and the push-up slope 2126 described below (in the vertical direction).

[0038] like Figure 2 , Figure 5 and Figure 6 As shown, as an example, the outer side wall 22a at the end of the stop valve sleeve 20 is provided with a chamfered structure 221 that is inclined relative to the first direction. Optionally, in Figure 6 In this example, the chamfered structure 221 is a right-angled structure. Obviously, it can also be a rounded corner structure depending on actual needs. Therefore, with the help of the chamfered structure 221, it is easier for the stop valve sleeve 20 to push the locking member 40 towards the side wall 31 of the locking sleeve 30 to the unlocked state during the process of switching from the release position to the blocking position. This better meets the need for the stop valve sleeve 20 to block the locking member 40 when switching to the blocking position, and more effectively ensures the convenience of the first connector 100 to be inserted into the second connector 200 next time. In order to further improve the smoothness of the movement of the locking sleeve 30 and the stop valve sleeve 20 pushing the locking member 40, the locking member 40 can be selected as a ball, so that the locking member 40 rolls under the push of the locking sleeve 30 or the stop valve sleeve 20.

[0039] like Figure 2 and Figure 5 As shown, as an example, the first connector 100 also includes a first reset member 60 for driving the stop valve sleeve 20 to slide and reset towards the blocking position, and a second reset member 70 for driving the locking sleeve 30 to slide and reset towards the limiting structure 14. The second reset member 70 is disposed between the locking sleeve 30 and the first body 10, so that the locking sleeve 30 can automatically reset towards the second connector 200 during the insertion of the first connector 100 and the second connector 200, further improving the convenience of one-handed operation and the speed of locking connection. The first reset member 60 is located in the first channel 11, and is disposed between the stop valve sleeve 20 and the pusher body 50. The first reset member 60 provides the reset force for the automatic reset of the stop valve sleeve 20. Obviously, according to actual needs, the first reset member 60 can also be disposed between the stop valve sleeve 20 and the first body 10, so it is not considered as such. Figure 2 and Figure 5 As shown, this is a limited description. Specifically, at... Figure 2 and Figure 5 In this example, the first reset member 60 is a compression spring that is sleeved on the side wall 12 of the first body 10. This compression spring is also located inside the locking sleeve 30 and elastically abuts against both the locking sleeve 30 and the side wall 12 of the first body 10. This design simplifies the assembly relationship between the first reset member 60 and the first body 10 and the locking sleeve 30, respectively. Similarly, the second reset member 70 is also a compression spring that elastically abuts against the stop valve sleeve 20 and the pusher body 50, further simplifying the assembly relationship between the second reset member 70 and the pusher body 50 and the stop valve sleeve 20, respectively. Obviously, depending on actual needs, the first reset member 60 and the second reset member 70 can also be reset members that are reset by magnetic force; therefore, this is not considered a separate design. Figure 2 and Figure 5 As shown, the limit is limited. In addition, the limiting structure 14 is a retaining ring that engages with the side wall 12 of the first body 10, so that the locking sleeve 30 can be easily installed and removed from the side wall 12 of the first body 10 through the design of the retaining ring.

[0040] like Figure 2 and Figure 5As shown, as an example, the first connector 100 further includes a first sealing ring 80a, a second sealing ring 80b, and a third sealing ring 80c. The first sealing ring 80a is located in the first channel 11 and abuts against the side wall 12 of the first body 10 and the side wall 22 of the check valve sleeve 20, so as to achieve lateral sealing between the check valve sleeve 20 and the side wall 12 of the first body 10 when in the blocking position by means of the first sealing ring 80b. The second sealing ring 80b is located in the second channel 21 and abuts against the side wall 22 of the check valve sleeve 20, so that after the second connector 200 and the first connector 100 are inserted, the second sealing ring 80b provides lateral sealing between the side wall 22 of the check valve sleeve 20 and the second body 210 (specifically the second connecting valve sleeve 212) described below. The third sealing ring 80c is fitted over the pusher body 50 and, when in the blocking position, seals against the side wall 22 of the check valve sleeve 20. This achieves the purpose of keeping the second channel 12 of the check valve sleeve 20 closed when the pusher body 50 is in the blocking position. (See attached image for details.) Figure 5 As shown; when the third sealing ring 80c is in the release position, it is in clearance fit with the side wall 22 of the check valve sleeve 20, so as to achieve the purpose of keeping the second channel 12 of the check valve sleeve 20 in the open state when the pusher body 50 is in the release position, as shown in the figure. Figure 2 As shown.

[0041] like Figure 5 As shown, as an example, the first body 10 includes a first connecting seat 10a and a first connecting valve sleeve 10b. The first end 10b1 of the first connecting valve sleeve 10b is threadedly connected to the first end 10a1 of the first connecting seat 10a in a sealing fit. Obviously, depending on actual needs, the first end 10b1 of the first connecting valve sleeve 10b can also be sleeved to the first end 10a1 of the first connecting seat 10a in a sealing fit. Therefore, it is not considered... Figure 5 As shown, the first channel 11 simultaneously penetrates the first connecting valve sleeve 10b and the first connecting seat 10a. The pusher 50 is located in the first channel 11 of the first connecting valve sleeve 10b and clamped between the first connecting valve sleeve 10b and the first connecting seat 10a in the first direction. The stop valve sleeve 20 is assembled in the first channel 11 of the first connecting valve sleeve 10b. The lateral through hole 13 is located on the first connecting valve sleeve 10b. The first channel 11 of the first connecting valve sleeve 10b has a blocking shoulder 10c near the lateral through hole 13 to prevent the stop valve sleeve 20 from sliding out of the first connecting valve sleeve 10b in a direction away from the first connecting seat 10a. This design makes the assembly operation of the stop valve sleeve 20 and the pusher 50 at the first body 10 very convenient, thus simplifying the assembly process and reducing costs. Specifically, in Figure 5 In this design, the first end 10b1 of the first connecting valve sleeve 10b and the first end 10a1 of the first connecting seat 10a are sealed by a connecting sealing ring 10d, which effectively improves the reliability of the seal at this point.

[0042] like Figure 1 , Figure 2 , Figure 7 and Figure 8 As shown, as an example, the second connector 200 includes a second body 210, a check valve core 220, and a return member 230. The second body 210 includes a second connecting seat 211, a second connecting valve sleeve 212, and a third channel 213 that passes through both the second connecting seat 211 and the second connecting valve sleeve 212. The first end 2111 of the second connecting seat 211 and the first end 2121 of the second connecting valve sleeve 212 are connected in a threaded, sealing fit. Obviously, depending on actual needs, the first end 2111 of the second connecting seat 211 and the first end 2121 of the second connecting valve sleeve 212 can also be connected in a sleeved, sealing fit. Therefore, it is not considered as a separate connection. Figure 8 The diagram shows a limit. The check valve core 220 is fitted in a sealing fit within the third channel 213 of the second connecting valve sleeve 212. The check valve core 220 can also slide relative to the second connecting valve sleeve 212 to at least have... Figure 8 The sealing position shown and Figure 2 The open position is shown. The outer wall 2122 of the second connecting valve sleeve 212 is provided with a locking structure 2123 that cooperates with the locking member 40. The inner wall 2124 of the second connecting valve sleeve 212 is provided with a limiting shoulder 2125 that prevents the stop valve core 220 from sliding out of the second connecting seat 211. The side wall 2112 of the second connecting seat 211 is provided with an arched structure 2113 protruding into the third channel 213. The return member 230 is located in the third channel 213 and is also located between the stop valve core 220 and the arched structure 2113. The return member 230 provides a reset force for the automatic reset of the stop valve core 220, thus facilitating the automatic reset of the stop valve core 220.

[0043] Therefore, during the connection (insertion) of the first connector 100 and the second connector 200, while the second connecting valve sleeve 212 pushes the stop valve sleeve 20 from the blocking position to the releasing position, the pushing body 50 pushes the stop valve core 220 from the sealing position to the open position. This causes the locking sleeve 30 to engage with the locking member 40 and the locking structure 2123, thus achieving the purpose of locking the first connector 100 and the second connector 200 together. (See the attached diagram for details.) Figure 2 As shown.

[0044] When needed Figure 2When the first connector 100 and the second connector 200 are separated in the state shown, the operator slides the locking sleeve 30 to a preset position in the direction indicated by arrow A, that is, the protrusion 32 on the locking sleeve 30 disengages from the position of lateral contact with the locking member 40, thereby allowing the locking member 40 to move towards the side wall 31 of the locking sleeve 30 to the unlocked state; then, the second connector 200 is pulled out from the first connector 100 in the opposite direction indicated by arrow A, and during the pulling process, the stop valve sleeve 20 is reset from the release position to the blocking position under the reset force provided by the second reset member 70, thereby the reset stop valve sleeve 20 prevents the locking member 40 from moving towards the center line of the first channel 11 to the locked state, so the locking member 40 limits the locking sleeve 30 of the first connector 100, thereby facilitating the insertion operation of the first connector 100 and the second connector 100 again.

[0045] The design of the second body 210, which includes a second connecting seat 211, a second connecting valve sleeve 212, and a third channel 213 passing through both the second connecting seat 211 and the second connecting valve sleeve 212, facilitates the assembly of the stop valve core 220 and the return member 230 at the second body 210, thus simplifying the assembly process and reducing costs. For a more detailed description of the structure of the second connector 200, please refer to the following description.

[0046] Combination Figure 2 , Figure 3 and Figure 8 As an example, the locking structure 2123 has a pushing slope 2126 that is inclined relative to the first direction and engages with the locking member 40. With the help of the pushing slope 2126, the second body 210 can more easily push the locking member 40 towards the locking sleeve 20 to the unlocked state during the separation of the second connector 200 from the first connector 100. This improves the smoothness of the flow stop valve sleeve 20 continuing to push the locking member 40 towards the locking sleeve 20 to the unlocked state during the transition from the release position to the blocking position. Furthermore, the return member 230 is a spring that abuts against both the flow stop valve core 220 and the arched structure 2113. This design simplifies the assembly relationship between the return member 230 and the flow stop valve core 220 and the arched structure 2113 respectively. Obviously, depending on actual needs, the return member 230 can also be a return member that resets by magnetic force; therefore, it is not considered... Figure 2 , Figure 3 and Figure 8 The above is limited. Furthermore, regarding... Figure 8 In this design, the first end 2121 of the second connecting valve sleeve 212 and the first end 2111 of the second connecting seat 211 are sealed by a connecting sealing ring 214, which effectively improves the reliability of the seal at this point.

[0047] Compared with the prior art, since the stop valve sleeve 20 prevents the locking member 40 from moving towards the center line of the first channel 11 when it is in the blocking position, and prohibits the locking member 40 from moving to the locked state, the stop valve sleeve 20 releases the blocking of the locking member 40 when it is in the releasing position, allowing the locking member 40 to move to the locked state. This allows the stop valve sleeve 20 to maintain the blocking state of the locking member 40 before the first connector 100 and the second connector 200 are inserted, thus keeping the locking member 40 in the unlocked state. As a result, the operator does not need to slide the locking sleeve 30 during the insertion of the first connector 100 and the second connector 200, and the insertion of the first connector 100 and the second connector 200 can be performed with one hand. Furthermore, since the locking member 40 is limited by the stop valve sleeve 20 and the locking sleeve 30, the manufacturing process of the first connector 100 is simplified.

[0048] It should be noted that the fluid connector 1000 of this utility model can be applied to liquid applications or gas applications; that is to say, the fluid can be either liquid or gas.

[0049] The above-disclosed examples are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Therefore, any equivalent variations made in accordance with the claims of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A first connector of a fluid connector, comprising a first body, a check valve sleeve, a locking sleeve, and a locking member located within the locking sleeve, wherein the first body has a first channel inside, the locking sleeve is fitted over a side wall of the first body and is slidable along a first direction on the side wall, a lateral through hole communicating with the first channel is provided at the position on the side wall of the first body fitted by the locking sleeve, the locking member is also located in the lateral through hole, the check valve sleeve is sealed and fitted in the first channel, the check valve sleeve has a second channel inside, the check valve sleeve is also slidable relative to the first body along the first direction and has at least a blocking position and a releasing position, and a pusher body inserted into the second channel is fixed in the first channel; characterized in that, When the stop valve sleeve is switched to the blocking position, the stop valve sleeve prevents the locking member from moving toward the center line of the first channel, and the pusher keeps the second channel closed; when the stop valve sleeve is switched to the releasing position, the stop valve sleeve disengages from blocking the locking member, and the pusher keeps the second channel open.

2. The first connector according to claim 1, characterized in that, When the stop valve sleeve is in the blocking position, it covers the lateral through hole and abuts against the locking member; when the stop valve sleeve is in the releasing position, it exposes the lateral through hole and separates from the locking member.

3. The first connector according to claim 1, characterized in that, The first body has a limiting structure protruding towards the locking sleeve on its side wall. The limiting structure is arranged on the opposite side of the pusher body with the lateral through hole as the center in the first direction. When the stop valve sleeve is switched to the blocking position, the locking member abuts against the locking sleeve in the first direction and is limited. When the stop valve sleeve is switched to the release position, the locking sleeve drives the locking member to move towards the center line of the first channel to the locked state, and the limiting structure abuts against the locking sleeve in the first direction and is limited.

4. The first connector according to claim 3, characterized in that, It also includes a first reset member for driving the stop valve sleeve to slide and reset to the blocking position, and a second reset member for driving the locking sleeve to slide and reset to the limiting structure. The second reset member is disposed between the locking sleeve and the first body, and the first reset member is located in the first channel. Alternatively, the first reset member is disposed between the stop valve sleeve and the first body; the limiting structure is a retaining ring that engages with the side wall of the first body.

5. The first connector according to claim 1, characterized in that, The locking components are a plurality of spaced apart from each other in the circumferential direction of the locking sleeve, and each locking component corresponds to a lateral through hole; the locking components are ball bearings; the side wall of the locking sleeve is provided with a protruding structure protruding into the interior of the locking sleeve, and the end face of the protruding structure facing the locking component has an inclined surface that is inclined relative to the first direction, and the inclined surface is also arranged opposite to the side wall of the locking sleeve; the outer side wall of the end of the stop valve sleeve is provided with a chamfered structure that is inclined relative to the first direction.

6. The first connector according to claim 1, characterized in that, It also includes a first sealing ring, a second sealing ring, and a third sealing ring. The first sealing ring is located in the first channel and abuts against the side wall of the first body and the side wall of the stop valve sleeve. The second sealing ring is located in the second channel and abuts against the side wall of the stop valve sleeve. The third sealing ring is sleeved on the pusher body. When the third sealing ring is in the blocking position, it seals against the side wall of the stop valve sleeve. When the third sealing ring is in the releasing position, it gap-fits against the side wall of the stop valve sleeve.

7. The first connector according to claim 1, characterized in that, The first body includes a first connecting seat and a first connecting valve sleeve. The first end of the first connecting valve sleeve is threadedly connected or sleeved to the first end of the first connecting seat in a sealing fit. The first channel passes through both the first connecting valve sleeve and the first connecting seat. The pusher is located in the first channel of the first connecting valve sleeve and is clamped between the first connecting valve sleeve and the first connecting seat in the first direction. The check valve sleeve is fitted in the first channel of the first connecting valve sleeve. The lateral through hole is located on the first connecting valve sleeve. The first channel of the first connecting valve sleeve has a blocking shoulder near the lateral through hole to prevent the check valve sleeve from sliding out of the first connecting valve sleeve in a direction away from the first connecting seat.

8. A fluid connector, characterized in that, It includes a first connector as described in any one of claims 1 to 7 and a second connector that mates with the first connector.

9. The fluid connector according to claim 8, characterized in that, The second connector includes a second body, a check valve core, and a return member. The second body includes a second connecting seat, a second connecting valve sleeve, and a third channel passing through both the second connecting seat and the second connecting valve sleeve. The first end of the second connecting seat is threadedly connected to or sleeved with the first end of the second connecting valve sleeve in a sealing fit. The check valve core is fitted in a sealing fit within the third channel of the second connecting valve sleeve. The check valve core can also slide relative to the second connecting valve sleeve to have at least a sealed position and an open position. The outer side wall of the second connecting valve sleeve is provided with a locking structure that cooperates with the locking member. The inner side wall of the second connecting valve sleeve is provided with a structure that prevents the check valve core from moving away from the locking member. The second connecting seat slides out of the limiting shoulder of the second connecting valve sleeve in the direction described above. The side wall of the second connecting seat is provided with an arched structure protruding into the third channel. The return member is located in the third channel and is also provided between the stop valve core and the arched structure. During the connection process between the first connector and the second connector, the second connecting valve sleeve pushes the stop valve sleeve from the blocking position to the releasing position, and the pushing body pushes the stop valve core from the sealing position to the opening position. Then, the locking sleeve drives the locking member to lock with the matching locking structure to realize the locking connection between the first connector and the second connector.

10. The fluid connector according to claim 9, characterized in that, The locking structure has a pushing slope that is inclined relative to the first direction and engages with the locking member; the return member is a spring that abuts against the flow stop valve core and the arched structure.

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