Quick insertion type structure

Abstract

The utility model belongs to the technical field of valves, and discloses a quick insertion type structure. The quick-inserting type structure comprises a valve body, connectors and a plug pin, the two ends of the valve body are provided with connecting ends respectively, each connecting end is matched with the corresponding connector in an inserted mode, a limiting groove is formed in the outer side wall of one of the connecting ends and the connectors in the circumferential direction, an inserting hole is formed in the other one of the connecting ends and the connectors, and the plug pin is arranged in the inserting hole in a penetrating mode in the horizontal direction. And meanwhile, the limiting grooves are limited in the limiting grooves. According to the quick insertion type structure, the plug pin is horizontally installed, compared with a vertical installation mode, interference between the plug pin and an opening and closing component above the valve can be prevented, and disassembly and assembly are more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field especially relates to a quick -plug formula structure. BACKGROUND

[0002] In the waterway system such as town water supply and drainage system, domestic water system, air conditioner, heating system, threaded connection mode is more common in pipeline connection, in order to ensure the sealing effect, usually need to wind raw material belt at threaded connection when installing, raw material belt winding is too thick, two connecting pipelines can not be docked, raw material belt winding is too thin, then easily appear leakage, the whole installation process is tedious, and inconvenient maintenance.

[0003] In order to solve the above problems, in the prior art, quick plug structure is usually used, that is, the valve and the joint are connected quickly by using a latch. However, in the prior art, the latch is vertically installed, which is easy to interfere with the opening and closing device above the valve during installation, resulting in inconvenience in disassembly and assembly.

[0004] Therefore, it is urgent to provide a quick plug structure to solve the above problems. INVENTION CONTENTS

[0005] The utility model discloses a quick plug structure, the latch is horizontally installed, can prevent the interference with the opening and closing component of valve, more convenient disassembly and assembly.

[0006] To achieve this purpose, the utility model adopts the following technical scheme:

[0007] A quick plug structure, comprising a valve body, a joint and a latch, both ends of the valve body are respectively provided as connecting ends, each connecting end is inserted and matched with a corresponding joint, a limiting groove is formed on the outer side wall of one of the connecting end and the joint along the circumference, and a plug hole is formed on the other one, the latch is arranged in the plug hole along the horizontal direction and is limited in the limiting groove.

[0008] As an optional scheme, the two connecting ends are respectively a connecting male end and / or a connecting female end, the two joints are respectively a male joint and / or a female joint, the connecting male end is inserted in the female joint, the male joint is inserted in the connecting female end, the limiting groove is formed on the outer side wall of the connecting male end and the male joint, and the plug hole is formed on the connecting female end and the female joint.

[0009] As an optional scheme, the latch is a single latch, one plug hole is formed on the connecting female end and the female joint respectively, part of the single latches is arranged in the plug hole and is limited in the limiting groove, and part of the single latches is exposed outside the plug hole.

[0010] As an optional scheme, the threaded hole is provided on one end of each of the insertion hole of the connecting female end and the female joint, the threaded hole is communicated with the insertion hole, and the outer thread is arranged on part of the outer wall of the single pin, and the single pin is connected with the threaded hole through the outer thread.

[0011] As an optional scheme, the threaded hole is provided on one end of each of the insertion hole of the connecting female end and the female joint, the threaded hole is communicated with the insertion hole, and the outer thread is arranged on part of the outer wall of the single pin, and the single pin is connected with the threaded hole through the outer thread.

[0012] As an optional scheme, the threaded hole is provided on one end of each of the insertion hole of the connecting female end and the female joint, the threaded hole is communicated with the insertion hole, and the outer thread is arranged on part of the outer wall of the single pin, and the single pin is connected with the threaded hole through the outer thread.

[0013] As an optional scheme, the threaded hole is provided on one end of each of the insertion hole of the connecting female end and the female joint, the threaded hole is communicated with the insertion hole, and the outer thread is arranged on part of the outer wall of the single pin, and the single pin is connected with the threaded hole through the outer thread.

[0014] As an optional scheme, the threaded hole is provided on one end of each of the insertion hole of the connecting female end and the female joint, the threaded hole is communicated with the insertion hole, and the outer thread is arranged on part of the outer wall of the single pin, and the single pin is connected with the threaded hole through the outer thread.

[0015] As an optional scheme, the threaded hole is provided on one end of each of the insertion hole of the connecting female end and the female joint, the threaded hole is communicated with the insertion hole, and the outer thread is arranged on part of the outer wall of the single pin, and the single pin is connected with the threaded hole through the outer thread.

[0016] As an optional scheme, the threaded hole is provided on one end of each of the insertion hole of the connecting female end and the female joint, the threaded hole is communicated with the insertion hole, and the outer thread is arranged on part of the outer wall of the single pin, and the single pin is connected with the threaded hole through the outer thread.

[0017] As an optional scheme, the threaded hole is provided on one end of each of the insertion hole of the connecting female end and the female joint, the threaded hole is communicated with the insertion hole, and the outer thread is arranged on part of the outer wall of the single pin, and the single pin is connected with the threaded hole through the outer thread.

[0018] As an optional scheme, the threaded hole is provided on one end of each of the insertion hole of the connecting female end and the female joint, the threaded hole is communicated with the insertion hole, and the outer thread is arranged on part of the outer wall of the single pin, and the single pin is connected with the threaded hole through the outer thread.

[0019] The utility model discloses beneficial effect:

[0020] The utility model provides a quick plug formula structure, when installing, first install the joint on the connecting end, the jack is to horizontal direction, then the bolt is along the horizontal direction from the jack and inserts, the bolt is equipped with in the jack, and is limited to the limiting groove, realizes the axial fixed connection of joint and connecting end, thereby guaranteeing that the joint and connecting end do not occur relative displacement in the axial direction, when disassembling, only need to pull out the bolt outward, and it is convenient and fast to dismount, the utility model provides a quick plug formula structure, and the bolt adopts horizontal installation, compared with the vertical installation mode, can prevent the interference with the opening and closing part on the valve top, is more convenient to dismount. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structure schematic drawing of quick plug formula structure provided by the utility model embodiment one;

[0022] Figure 2 It is the explosion drawing of quick plug formula structure provided by the utility model embodiment one;

[0023] Figure 3 It is the first sectional view of quick plug formula structure provided by the utility model embodiment one;

[0024] Figure 4 It is the second sectional view of quick plug formula structure provided by the utility model embodiment one;

[0025] Figure 5 It is the explosion drawing of quick plug formula structure provided by the utility model embodiment two;

[0026] Figure 6 It is the sectional view of quick plug formula structure provided by the utility model embodiment two.

[0027] In the drawing:

[0028] 1, valve body;11, connecting end;111, connecting male end;112, connecting female end;

[0029] 2, joint;21, male joint;211, limiting groove;212, first sealing groove;213, second sealing groove;22, female joint;221, jack;222, threaded hole;223, convex base;

[0030] 3, bolt;31, single bolt;311, external thread;32, U-shaped bolt;

[0031] 4, first sealing ring;5, second sealing ring;6, third sealing ring. DETAILED DESCRIPTION

[0032] The utility model will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model and not limit the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description, not all the structures.

[0033] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0035] In the description of the embodiment, the terms "up", "down", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0036] Embodiment one

[0037] The embodiment provides a quick plug structure, specifically, as shown in the figure, the quick plug structure comprises a valve body 1, a joint 2 and a plug 3, both ends of the valve body 1 are provided as connecting ends 11, each connecting end 11 is inserted and matched with the corresponding joint 2, the joints 2 at both ends are used for being connected with pipelines respectively to realize mutual flow of internal medium, a limiting groove 211 is formed on the outer side wall of one of the connecting end 11 and the joint 2 in the circumferential direction, a plug hole 221 is formed on the other one, the plug 3 is arranged in the plug hole 221 along the horizontal direction and is limited in the limiting groove 211 simultaneously. Figures 1 to 3 ​

[0038] When installing, first install the connector 2 on the connecting end 11, with the insertion hole 221 facing the horizontal direction, then insert the insertion pin 3 into the insertion hole 221 along the horizontal direction, and the insertion pin 3 is arranged in the insertion hole 221 and limited in the limiting groove 211, thereby achieving axial fixed connection of the connector 2 and the connecting end 11, so as to ensure that the connector 2 and the connecting end 11 cannot be relatively displaced in the axial direction. When disassembling, only the insertion pin 3 needs to be pulled out, which is convenient and fast. The quick insertion structure provided in the embodiment adopts horizontal installation of the insertion pin 3, which can prevent interference with the opening and closing part (for example, the hand wheel of the gate valve) above the valve, and is more convenient to disassemble.

[0039] It should be noted that the valve body 1 can be a valve body of a ball valve, a gate valve, a pressure reducing valve, a check valve or a stop valve, and is not specifically limited here. In the embodiment, only the gate valve is illustrated, and other types of valves are not illustrated one by one in the application. The specific structure and working principle of the gate valve are both prior art, and will not be described again in the application. The connector 2 can be a connector of a pipeline or a connector of a valve, that is, the quick insertion structure can realize connection between the valve and the pipeline, or connection between the valve and the valve.

[0040] In the embodiment, as shown in Figure 1 and Figure 2 , the two connecting ends 11 are a connecting male end 111 and a connecting female end 112, and the two connectors 2 are a male connector 21 and a female connector 22. The connecting male end 111 is inserted into the female connector 22, and the male connector 21 is inserted into the connecting female end 112. The outer side walls of the connecting male end 111 and the male connector 21 are both provided with a limiting groove 211, and the connecting female end 112 and the female connector 22 are both provided with an insertion hole 221. One of the insertion pins 3 is inserted into the insertion hole 221 of the connecting female end 112, and the other insertion pin 3 is inserted into the insertion hole 221 of the female connector 22. The limiting groove 211 is circumferentially arranged, and the connector 2 can be rotated 360° after installation to facilitate connection of the pipeline.

[0041] In another alternative embodiment, the two connecting ends 11 can also be connecting male ends 111, and the two connectors 2 can be female connectors 22, which can also achieve the effect of quick insertion connection. In another alternative embodiment, the two connecting ends 11 can also be connecting female ends 112, and the two connectors 2 can be male connectors 21, which can also achieve the effect of quick insertion connection, and are not specifically limited here.

[0042] As shown in Figure 2As shown, the connecting male end 111 and the male connector 21 are both stepped shaft structures, the smaller-diameter part of the connecting male end 111 is inserted into the female connector 22, and the larger-diameter part is located outside the female connector 22 and is in butt joint with the female connector 22; similarly, the smaller-diameter part of the male connector 21 is inserted into the connecting female end 112, and the larger-diameter part is located outside the connecting female end 112 and is in butt joint with the connecting female end 112.

[0043] In this embodiment, as shown in Figure 2 and Figure 3 , the latch 3 is a single latch 31, the connecting female end 112 and the female connector 22 are each provided with a insertion hole 221, part of the single latch 31 is inserted into the insertion hole 221 and is simultaneously limited in the limiting groove 211, and part of the single latch 31 is exposed outside the insertion hole 221.

[0044] Specifically, the insertion hole 221 on the connecting female end 112 is parallel to the tangent direction of the connecting female end 112 and simultaneously penetrates the inner wall of the connecting female end 112, and intersects with the limiting groove 211 on the male connector 21; similarly, the insertion hole 221 on the female connector 22 is parallel to the tangent direction of the female connector 22 and simultaneously penetrates the inner wall of the female connector 22, and intersects with the limiting groove 211 on the connecting male end 111. When each single latch 31 is inserted into the insertion hole 221, part of the single latch 31 is naturally limited in the limiting groove 211, thereby realizing the axial fixed connection between the male connector 21 and the connecting female end 112 and the axial fixed connection between the female connector 22 and the connecting male end 111, and the installation is convenient, and the part of the single latch 31 exposed outside the insertion hole 221 is used for hand holding, facilitating disassembly. The single latch 31 is preferably a straight rod, but can also be other shapes. It should be noted that, Figure 3 only the schematic diagram of the connection between the connecting male end 111 and the female connector 22 through the single latch 31 is shown, the structure of the connection between the connecting female end 112 and the male connector 21 through the single latch 31 is Figure 3 exactly the same, and therefore is not shown.

[0045] In this embodiment, as shown in Figure 3 , the side walls of the connecting female end 112 and the female connector 22 are each provided with a tangential boss 223, the insertion hole 221 is formed in the boss 223, the insertion hole 221 is a blind hole, and the other end of the single latch 31 does not penetrate the insertion hole 221. In another alternative embodiment, the insertion hole 221 can also be a through hole, and the single latch 31 can completely pass through the insertion hole 221, to further enhance the reliability of the connection.

[0046] In an alternative embodiment, as shown in Figure 3As shown, the threaded hole 222 is provided at one end of the insertion hole 221 connecting the female end 112 and the female joint 22, the threaded hole 222 is in communication with the insertion hole 221, and the outer thread 311 is arranged on the outer wall of the single pin 31, and the single pin 31 is connected with the threaded hole 222 through the outer thread 311. In this way, the risk of falling of the single pin 31 can be reduced through the threaded fastening connection.

[0047] Further, with reference to Figure 3 , the aperture of the threaded hole 222 is larger than that of the insertion hole 221, the third sealing ring 6 is embedded at the bottom of the threaded hole 222, and the third sealing ring 6 is sleeved on the single pin 31. The third sealing ring 6 can be selected as a rectangular sealing ring, which can first play a role of preventing loosening to prevent the single pin 31 from falling and losing, and secondly play a role of sealing and dustproof.

[0048] As shown in Figure 2 , the outer circumferential surface of the part of the single pin 31 exposed outside the threaded hole 222 is provided with an anti-skid structure, which can play an anti-skid role when the single pin 31 is screwed, and improve the screwing efficiency. In the embodiment, the anti-skid structure is a dense convex tooth formed on the outer circumferential surface of the single pin 31, and in other embodiments, the anti-skid structure can also be an anti-skid line arranged on the outer circumferential surface of the single pin 31, or a rubber pad or other component sleeved on the single pin 31, which is not specifically limited here.

[0049] In the embodiment, as shown in Figure 2 and Figure 4 , the outer side wall of the connecting male end 111 is provided with a first sealing groove 212 surrounding along the circumferential direction, the first sealing groove 212 is located between the end face of the insertion end of the connecting male end 111 and the limiting groove 211, and the first sealing groove 212 is provided with the first sealing ring 4 sealingly matched with the female joint 22. Similarly, the outer side wall of the male joint 21 is also provided with a first sealing groove 212 surrounding along the circumferential direction, the first sealing groove 212 is located between the end face of the insertion end of the male joint 21 and the limiting groove 211, and the first sealing groove 212 is provided with the first sealing ring 4 sealingly matched with the connecting female end 112. The first sealing ring 4 can be selected as an O-shaped sealing ring, the first sealing ring 4 has a relatively thick diameter, and is closer to the end face of the male joint 21 and the connecting male end 111, and is mainly used for sealing between the male joint 21 and the side wall of the connecting female end 112 and sealing between the connecting male end 111 and the side wall of the female joint 22, to prevent liquid from leaking from the gap.

[0050] Further, as shown in Figure 2 and Figure 4As shown, the outer side wall of the connecting male end 111 and the male connector 21 is also provided with a circumferentially surrounding second sealing groove 213, the second sealing groove 213 and the first sealing groove 212 are arranged on the two sides of the limiting groove 211, and the second sealing groove 213 is provided with a second sealing ring 5. The second sealing ring 5 has a smaller diameter than the first sealing ring 4, which provides a second protection for the sealing between the male connector 21 and the connecting female end 112 and the sealing between the connecting male end 111 and the female connector 22, mainly playing a dustproof role.

[0051] It should be noted that, since the structure of the small-diameter end of the connecting male end 111 and the male connector 21 is the same, in order to express more simply, the limiting groove 211, the first sealing groove 212, the second sealing groove 213, the first sealing ring 4, and the second sealing ring 5 on the connecting male end 111 and the limiting groove 211, the first sealing groove 212, the second sealing groove 213, the first sealing ring 4, and the second sealing ring 5 on the male connector 21 use the same reference numerals.

[0052] Embodiment Two

[0053] The quick plug-in structure provided in this embodiment is basically the same as the quick plug-in structure provided in Embodiment One, and the same parts will not be described again. The difference mainly lies in that: Figure 5 and Figure 6 In this embodiment, the latch 3 is a U-shaped latch 32, and the connecting female end 112 and the female connector 22 are each provided with two parallel insertion holes 221, the two free ends of the U-shaped latch 32 are respectively arranged in the corresponding insertion holes 221 and are simultaneously limited in the limiting groove 211, and part of the U-shaped latch 32 is exposed outside the insertion hole 221, and the U-shaped latch 32 is also horizontally installed. In this way, the axial fixed connection between the male connector 21 and the connecting female end 112 and the axial fixed connection between the female connector 22 and the connecting male end 111 can also be achieved, and the part of the U-shaped latch 32 exposed outside the insertion hole 221 can be used as a force application position when pulling out, which is convenient and fast for disassembly and assembly.

[0054] It should be noted that, Figure 6 Only a schematic view of the connection between the connecting male end 111 and the female connector 22 through the U-shaped latch 32 is shown, and the structure of the connection between the connecting female end 112 and the male connector 21 through the U-shaped latch 32 is Figure 6 exactly the same, so no further illustration is given.

[0055] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the present application. Here, it is not necessary and also impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application claim.

Claims

1. A quick-attach structure, characterized by comprising: The utility model provides a valve body (1), joint (2) and bolt (3), both ends of the valve body (1) are equipped with the connecting end (11) respectively, each connecting end (11) is inserted with the joint (2) of corresponding, the outer side wall of one of connecting end (11) and joint (2) is equipped with the limiting slot (211) along the circumference, and the other is equipped with the insertion hole (221), the bolt (3) is inserted in the insertion hole (221) along the horizontal direction, and is located in the limiting slot (211) simultaneously.

2. The quick-plug structure of claim 1, wherein, Two connecting ends (11) are connecting male end (111) and / or connecting female end (112) respectively, two joints (2) are male joint (21) and / or female joint (22) respectively, the connecting male end (111) is inserted in the female joint (22), the male joint (21) is inserted in the connecting female end (112), the outer side wall of connecting male end (111) and male joint (21) is equipped with the limiting slot (211), and the outer side wall of connecting female end (112) and female joint (22) is equipped with the insertion hole (221).

3. The quick-plug structure of claim 2, wherein, The bolt (3) is a single bolt (31), the connecting female end (112) and the female joint (22) are each equipped with one insertion hole (221), part of the single bolt (31) is inserted into the insertion hole (221) and is located in the limiting slot (211) simultaneously, and part of the single bolt (31) is exposed outside the insertion hole (221).

4. The quick-plug structure of claim 3, wherein, The connecting female end (112) and the female joint (22) are equipped with a threaded hole (222) at one end of the respective insertion hole (221), the threaded hole (222) is communicated with the insertion hole (221), and part of the outer wall of the single bolt (31) is provided with external threads (311), and the single bolt (31) is connected with the threaded hole (222) through the external threads (311).

5. The quick-plug structure of claim 4, wherein, The aperture of the threaded hole (222) is larger than the aperture of the insertion hole (221), a third sealing ring (6) is embedded at the bottom of the threaded hole (222), and the third sealing ring (6) is sleeved on the single bolt (31).

6. The quick-plug structure of claim 2, wherein The bolt (3) is a U-shaped bolt (32), the connecting female end (112) and the female joint (22) are each equipped with two parallel insertion holes (221), two free ends of the U-shaped bolt (32) are respectively inserted into the corresponding insertion holes (221) and are located in the limiting slot (211) simultaneously, and part of the U-shaped bolt (32) is exposed outside the insertion hole (221).

7. The quick-plug structure of claim 2, wherein A first sealing groove (212) is formed on the outer side wall of the connecting male end (111) and surrounds the circumference of the connecting male end (111), the first sealing groove (212) is located between the end face of the insertion end of the connecting male end (111) and the limiting slot (211), and a first sealing ring (4) that is in sealing cooperation with the female joint (22) is arranged in the first sealing groove (212). And, a first sealing groove (212) is also formed on the outer sidewall of the male connector (21) and circumferentially surrounds the male connector (21), the first sealing groove (212) is located between the end face of the insertion end of the male connector (21) and the limiting groove (211), and a first sealing ring (4) that sealingly cooperates with the female end (112) is arranged in the first sealing groove (212).

8. The quick-plug structure of claim 7, wherein, A second sealing groove (213) is also formed on the outer sidewall of the male connector (21) and circumferentially surrounds the male connector (21), the second sealing groove (213) and the first sealing groove (212) are arranged on the two sides of the limiting groove (211), and a second sealing ring (5) is arranged in the second sealing groove (213).

9. The quick-plug structure of claim 2, wherein, The insertion hole (221) on the female end (112) is parallel to the tangent direction of the female end (112) and intersects with the limiting groove (211) on the male connector (21). The insertion hole (221) on the female connector (22) is parallel to the tangent direction of the female connector (22) and intersects with the limiting groove (211) on the male end (111).

10. The quick-plug structure of claim 9, wherein, The sidewall of the female end (112) and the female connector (22) is provided with a tangential boss (223), and the insertion hole (221) is formed in the boss (223).

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