Quick connector

Abstract

The utility model provides a quick connector which comprises a first valve body, a second valve body and a valve element, the first valve body is detachably connected with the second valve body, a first valve cavity, a second valve cavity and a communicating valve cavity are formed in the second valve body, the communicating valve cavity is communicated with the first valve cavity and the second valve cavity, and an adjusting hole is formed in the communicating position of the first valve cavity and the communicating valve cavity. The adjusting hole is in a circular truncated cone shape, the valve element is provided with a boss matched with the adjusting hole, and the boss is in a circular truncated cone shape. According to the valve, due to the fact that the valve element is adjustably connected with the second valve body, the flow flowing through the first valve cavity and the second valve cavity can be adjusted by adjusting the gap between the outer circumferential wall of the boss and the inner circumferential wall of the adjusting hole.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve body technical field especially relates to a quick connector. BACKGROUND

[0002] The water vapor quick connector of the dental unit is an important component of the dental unit equipment, and is usually used for connecting the dental unit with a water source or an air source. A user can quickly connect a water pipe and an air pipe to the dental unit through the water vapor quick connector, and can also quickly disconnect the water pipe and the air pipe after use, thereby saving a large amount of time.

[0003] Most of the existing water vapor quick connectors do not have an adjusting valve, and the flow rate is constant, so the flow rate cannot be controlled by adjusting the opening of the valve. CONTENT OF THE UTILITY MODEL

[0004] Therefore, the utility model aims to provide a quick connector, which aims to solve the problem that most of the water vapor quick connectors in the prior art do not have an adjusting valve, the flow rate is constant, and the flow rate cannot be controlled by adjusting the opening of the valve.

[0005] The utility model provides a quick connector, which comprises a first valve body, a second valve body and a valve core, the first valve body is detachably connected with the second valve body, a first valve cavity, a second valve cavity and a communication valve cavity are formed in the second valve body, the communication valve cavity communicates the first valve cavity and the second valve cavity, an adjusting hole is arranged at the communication position of the first valve cavity and the communication valve cavity, the adjusting hole is in the shape of a circular truncated cone, the valve core is provided with a boss which is matched with the adjusting hole, the boss is in the shape of a circular truncated cone, the valve core is used for adjustably connecting with the second valve body, so as to adjust the gap between the outer peripheral wall of the boss and the inner peripheral wall of the adjusting hole, and then the flow rate through the first valve cavity and the second valve cavity is adjusted.

[0006] Further, the valve core is threadedly connected with the second valve body.

[0007] Further, the second valve body comprises a valve seat and a connecting seat, the valve seat is threadedly connected with the connecting seat, and the valve core is threadedly connected with the connecting seat.

[0008] Further, an annular groove is formed in the valve core, the annular groove is used for placing a sealing ring, and the sealing ring abuts against the inner peripheral wall of the connecting seat and the outer peripheral wall of the groove respectively.

[0009] Further, the valve core is provided with a screw cap, the outer peripheral wall of the screw cap is provided with a plurality of serrations, and the screw cap can be screwed to drive the valve core to be threadedly connected with the second valve body.

[0010] Further, a plug connector is threadedly connected with the second valve cavity, and the plug connector is used for connecting with a water inlet end.

[0011] Further, the second valve body is hinged with a push piece, the second valve body is provided with a spring, the push piece comprises a clamping end and a pressing end connected with each other, the first valve body is provided with a clamping ring, the spring is used for driving the clamping end to clamp with the clamping ring, and the pressing end can be pressed to drive the clamping end to rotate around the hinge point, thereby driving the clamping end to separate from the clamping ring.

[0012] Further, the clamping ring is provided with a guide inclined surface and a clamping surface, the clamping surface is arranged adjacent to the guide inclined surface, the guide inclined surface is used for abutting with the clamping end to drive the pressing end to rotate around the hinge point, and the clamping surface is used for abutting with the clamping surface to clamp the first valve body on the second valve body.

[0013] Further, the clamping end is provided with an arc-shaped notch, and the arc-shaped notch is matched with the outer peripheral wall of the first valve body.

[0014] Further, the push piece is provided with a supporting protrusion, the supporting protrusion abuts with the second valve body, and the position of the supporting protrusion corresponds to the position of the hinge point.

[0015] Beneficial effects: the utility model provides a quick connector, including first valve body, second valve body and valve core, first valve body and second valve body can detachable connection, the first valve cavity, second valve cavity and communicating valve cavity are seted up in second valve body, communicating valve cavity links first valve cavity and second valve cavity, and the communicating place of first valve cavity and communicating valve cavity is equipped with adjusting hole, adjusting hole is circular truncated cone, and the valve core is equipped with the boss matched with adjusting hole, and the boss is circular truncated cone, in the application, because the valve core is adjustable connection with second valve body, therefore can pass through the clearance between the outer peripheral wall of boss and the inner peripheral wall of adjusting hole, and then the flow size of first valve cavity and second valve cavity is adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the structure schematic drawing of quick connector of the utility model;

[0017] Fig. 2 It is the internal structure schematic drawing of quick connector of the utility model;

[0018] Fig. 3 It is the internal structure schematic drawing of second valve body;

[0019] Fig. 4 It is the structure schematic drawing of push piece.

[0020] In the figure: 1, first valve body; 11, clamping ring; 111, guide inclined surface; 112, clamping surface; 2, second valve body; 21, first valve cavity; 22, second valve cavity; 23, communication valve cavity; 24, adjusting hole; 25, valve seat; 26, connecting seat; 27, plug; 28, push piece; 281, clamping end; 282, pressing end; 283, arc-shaped notch; 284, supporting protrusion; 29, spring; 3, valve core; 31, boss; 32, annular groove; 33, sealing ring; 34, screw cap. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figs. 1 to 4 The utility model provides a quick connector, including first valve body 1, second valve body 2 and valve core 3, first valve body 1 with second valve body 2 is detachable connection, the first valve cavity 21, second valve cavity 22 and the communication valve cavity 23 are seted up in second valve body 2, the communication valve cavity 23 is communicated with first valve cavity 21 and second valve cavity 22, the first valve cavity 21 with the communication valve cavity 23 is equipped with adjusting hole 24 at the communication, adjusting hole 24 is circular truncated cone shape, valve core 3 is equipped with the boss 31 of with adjusting hole 24 is adapted, boss 31 is circular truncated cone shape, valve core 3 is used for with second valve body 2 is adjustable connection, with the clearance between the outer peripheral wall of boss 31 and the inner peripheral wall of adjusting hole 24 is adjusted, and then the flow size of through first valve cavity 21 and second valve cavity 22 is adjusted.

[0023] Specifically, first valve cavity 21 and second valve cavity 22 are arranged along the horizontal direction, first valve cavity 21 is located above second valve cavity 22, first valve cavity 21 is used as the water outlet, and second valve cavity 22 is used as the water inlet. The communication valve cavity 23 is arranged along the vertical direction, the upper end of the communication valve cavity 23 is communicated with the first valve cavity 21, and the side of the communication valve cavity 23 is communicated with the second valve cavity 22. When the valve core 3 is pushed to approach the adjusting hole 24 along the vertical direction, the gap between the outer peripheral wall of the boss 31 and the inner peripheral wall of the adjusting hole 24 becomes smaller, so the flow through the first valve cavity 21 and the second valve cavity 22 becomes smaller; when the valve core 3 drives the boss 31 to move away from the adjusting hole 24 along the vertical direction, the gap between the outer peripheral wall of the boss 31 and the inner peripheral wall of the adjusting hole 24 becomes larger, so the flow through the first valve cavity 21 and the second valve cavity 22 becomes larger.

[0024] Specifically, the valve core 3 is threadedly connected with the second valve body 2. Due to the thread connection, the valve core 3 can drive the boss 31 to move upward or downward. The valve core 3 is formed with external threads, and the second valve body 2 is formed with internal threads which are engaged with the external threads of the valve core 3.

[0025] In an available embodiment, the second valve body 2 comprises a valve seat 25 and a connecting seat 26, the valve seat 25 is threadedly connected with the connecting seat 26, and the valve core 3 is threadedly connected with the connecting seat 26. In this embodiment, the valve seat 25 and the connecting seat 26 can be detachably connected due to the thread connection. When the connecting seat 26 needs to be replaced, the connecting seat 26 can be detached and replaced by screwing the connecting seat 26.

[0026] In an available embodiment, the valve core 3 is formed with an annular groove 32 for placing a sealing ring 33, and the sealing ring 33 abuts against the inner circumferential wall of the connecting seat 26 and the outer circumferential wall of the groove, respectively. The sealing ring 33 in this embodiment can ensure that the fluid does not leak from the gap between the inner circumferential wall of the connecting seat 26 and the outer circumferential wall of the groove when the fluid flows through the communication valve cavity 23.

[0027] In an available embodiment, the valve core 3 is provided with a screw cap 34, the outer circumferential wall of the screw cap 34 is provided with a plurality of serrations, and the screw cap 34 can be screwed to drive the valve core 3 to be threadedly connected with the second valve body 2. The serrations increase the friction between the screw cap 34 and the hand, prevent the fingers from slipping during adjustment, and further increase the convenience of use.

[0028] In an available embodiment, the second valve cavity 22 is threadedly connected with a plug 27, and the plug 27 is used to connect with a water inlet end.

[0029] In an available embodiment, the second valve body 2 is hingedly connected with a tab 28, the second valve body 2 is provided with a spring 29, the tab 28 comprises a clamping end 281 and a pressing end 282 which are connected with each other, the first valve body 1 is provided with a clamping ring 11, the spring 29 is used to drive the clamping end 281 to be clamped with the clamping ring 11, and the pressing end 282 can be pressed to drive the clamping end 281 to rotate around the hinge point, thereby driving the clamping end 281 to be separated from the clamping ring 11. In this embodiment, the spring 29 can be arranged between the pressing end 282 and the second valve body 2, and the spring 29 is in a compressed state. Under the elastic force of the spring 29, the clamping end 281 abuts against the second valve body 2. Due to the arrangement of the clamping ring 11, the separation between the first valve body 1 and the second valve body 2 is effectively prevented.

[0030] In an embodiment, the clamping ring 11 is provided with a guide slope 111 and a clamping surface 112, the clamping surface 112 is arranged next to the guide slope 111, the guide slope 111 is used to abut against the clamping end 281 to drive the pressing end 282 to rotate around the hinge point, and the clamping surface 112 is used to abut against the clamping surface 112 to clamp the first valve body 1 to the second valve body 2. Specifically, when it is needed to connect the first valve body 1 to the second valve body 2, the guide slope 111 first abuts against the clamping end 281, the clamping end 281 slides on the guide slope 111, the guide slope 111 drives the clamping end 281 to rotate, and the spring 29 is compressed; when the clamping end 281 passes the joint between the guide slope 111 and the clamping surface 112, the clamping end 281 returns to the original position under the elastic force of the spring 29, and the clamping surface 112 abuts against the clamping ring 11. When it is needed to disassemble the first valve body 1 and the second valve body 2, the pressing end 282 is pressed to drive the clamping end 281 to rotate, the spring 29 is further compressed, the clamping end 281 is separated from the clamping ring 11, and then the first valve body 1 and the second valve body 2 are disassembled.

[0031] In an embodiment, the clamping end 281 is provided with an arc-shaped notch 283, and the arc-shaped notch 283 is matched with the outer peripheral wall of the first valve body 1. The arc-shaped notch 283 can increase the contact area between the clamping end 281 and the first valve body 1, thereby improving the stability during connection.

[0032] In an embodiment, the pressing piece 28 is provided with a supporting protrusion 284, the supporting protrusion 284 abuts against the second valve body 2 and corresponds to the position of the hinge point. In this embodiment, the supporting protrusion 284 can be used as a supporting point, when the pressing part is pressed, the pressure can be applied to the second valve body 2, so that the hinge point is not subjected to excessive pressure, thereby improving the service life of the quick connector.

[0033] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and not limiting, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to include all changes falling within the meaning and scope of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

[0034] The above-described embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A quick connector characterized by: The utility model provides a valve, including first valve body (1), second valve body (2) and valve core (3), first valve body (1) is detachably connected with second valve body (2), the first valve cavity (21) of being seted up in second valve body (2), second valve cavity (22) and communicating valve cavity (23) are communicated, communicating valve cavity (23) is communicated first valve cavity (21) with second valve cavity (22) communication, the communicating place of first valve cavity (21) with communicating valve cavity (23) is equipped with adjusting hole (24), adjusting hole (24) is circular truncated cone, valve core (3) is equipped with the boss (31) of being adapted with adjusting hole (24), boss (31) is circular truncated cone, valve core (3) is used for with second valve body (2) adjustable connection to adjust the clearance between the outer peripheral wall of boss (31) and the inner peripheral wall of adjusting hole (24), in turn adjust the flow size of passing through first valve cavity (21) and second valve cavity (22).

2. The quick connector of claim 1, wherein: The valve core (3) is threadedly connected with the second valve body (2).

3. The quick connector of claim 2, wherein: The second valve body (2) comprises a valve seat (25) and a connecting seat (26), the valve seat (25) is threadedly connected with the connecting seat (26), and the valve core (3) is threadedly connected with the connecting seat (26).

4. The quick coupling of claim 3, wherein: An annular groove (32) is formed in the valve core (3), the annular groove (32) is used for placing a sealing ring (33), and the sealing ring (33) abuts against the inner peripheral wall of the connecting seat (26) and the outer peripheral wall of the groove, respectively.

5. The quick connector of claim 2, wherein: The valve core (3) is provided with a rotating cap (34), the outer peripheral wall of the rotating cap (34) is provided with a plurality of serrations, and the rotating cap (34) can be screwed to drive the valve core (3) to be threadedly connected with the second valve body (2).

6. The quick connector of claim 1, wherein: A plug (27) is threadedly connected to the second valve cavity (22), and the plug (27) is used for being connected with a water inlet end.

7. The quick connector of claim 1, wherein: A push piece (28) is hingedly connected to the second valve body (2), a spring (29) is arranged on the second valve body (2), the push piece (28) comprises a clamping end (281) and a pressing end (282) connected with each other, a clamping ring (11) is arranged on the first valve body (1), the spring (29) is used to drive the clamping end (281) to be clamped with the clamping ring (11), and the pressing end (282) can be pressed to drive the clamping end (281) to rotate around the hinge point, so that the clamping end (281) is separated from the clamping ring (11).

8. The quick connector of claim 7, wherein: The clamping ring (11) is provided with a guide inclined surface (111) and a clamping surface (112), the clamping surface (112) is arranged adjacent to the guide inclined surface (111), the guide inclined surface (111) is used to abut against the clamping end (281) to drive the pressing end (282) to rotate around the hinge point, and the clamping surface (112) is used to abut against the clamping surface (112) to clamp the first valve body (1) on the second valve body (2).

9. The quick connector of claim 7, wherein: An arc-shaped notch (283) is formed in the clamping end (281), and the arc-shaped notch (283) is adapted to the outer peripheral wall of the first valve body (1).

10. The quick connector of claim 7, wherein: The dial piece (28) is provided with a supporting protrusion (284) which abuts against the second valve body (2) and corresponds to the position of the hinge point.

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