阅读说明：本技术 一种快速接头及喷雾装置 (Quick-operation joint and atomizer ) 是由 刘维东 于 2019-09-29 设计创作，主要内容包括：本案为一种快速接头,包括：公接头和母接头,母接头包括底座、设于底座上的本体；还包括通过第一弹性部件连接在本体前端的单向阀阀体,单向阀阀体包括挡水座,通水圈,通水圈的侧面上具有若干个贯穿孔,挡水座与通水圈之间设有单向阀密封圈；本体前端与本体后端连接处内部设有限位挡水座的一圈凸台,当母接头未连接公接头时,挡水座与一圈凸台之间通过单向阀密封圈密封；本体后端的侧壁上具有若干个滚珠锁孔,每个滚珠锁孔内设置滚珠；本体后端的侧壁外围设有限制滚珠活动范围的滚珠套,滚珠套通过第二弹性部件可滑动的连接本体后端；本体后端的侧壁上设有用于限制所述滚珠套滑动范围的限位凸起,滚珠套上具有与限位凸起相对应的限位槽。(The present case is a quick-operation joint, includes: the male connector and the female connector are arranged on the base, and the female connector comprises a base and a body arranged on the base; the check valve further comprises a check valve body connected to the front end of the body through a first elastic component, the check valve body comprises a water blocking seat and a water passing ring, a plurality of through holes are formed in the side surface of the water passing ring, and a check valve sealing ring is arranged between the water blocking seat and the water passing ring; a circle of bosses of a limiting water retaining seat are arranged in the connection part of the front end of the body and the rear end of the body, and when the female joint is not connected with the male joint, the water retaining seat and the circle of bosses are sealed through a one-way valve sealing ring; the side wall of the rear end of the body is provided with a plurality of ball lock holes, and a ball is arranged in each ball lock hole; the periphery of the side wall of the rear end of the body is provided with a ball sleeve for limiting the moving range of the balls, and the ball sleeve is connected with the rear end of the body in a sliding manner through a second elastic part; the side wall of the rear end of the body is provided with a limiting bulge used for limiting the sliding range of the ball sleeve, and the ball sleeve is provided with a limiting groove corresponding to the limiting bulge.)

1. A quick coupling, comprising:

the connector comprises a male connector and a female connector, wherein the female connector comprises a base and a body arranged on the base, and an accommodating cavity capable of accommodating the male connector is formed in the body in a hollow mode;

the check valve further comprises a check valve body connected to the front end of the body through a first elastic component, the check valve body comprises a water blocking seat and a water passing ring, a plurality of through holes are formed in the side surface of the water passing ring, and a check valve sealing ring is arranged between the water blocking seat and the water passing ring;

a circle of bosses for limiting the water retaining seat are arranged in the connection part of the front end of the body and the rear end of the body, and when the female joint is not connected with the male joint, the water retaining seat and the circle of bosses are sealed through a one-way valve sealing ring;

the side wall of the rear end of the body is provided with a plurality of ball lock holes, and a ball is arranged in each ball lock hole;

the periphery of the side wall of the rear end of the body is provided with a ball sleeve for limiting the moving range of the balls, and the ball sleeve is connected with the rear end of the body in a sliding manner through a second elastic part;

the side wall of the rear end of the body is provided with a limiting bulge used for limiting the sliding range of the ball sleeve, and the ball sleeve is provided with a limiting groove corresponding to the limiting bulge.

2. The quick connector of claim 1, wherein a groove is provided between said water stop and said water passage ring, and said check valve seal ring is disposed in said groove.

3. The quick coupling of claim 1, wherein the rear end of the body has a connecting portion having the same diameter as the front end of the body and a locking portion having a diameter larger than the front end of the body, and the ball locking hole is formed in a side wall of the locking portion.

4. The quick connector of claim 3, wherein the locking portion and the connecting portion have a transition ramp therebetween, and wherein the male connector has a male connector seal that presses against the transition ramp to seal the connecting portion when the female connector is connected to the male connector.

5. The quick coupling according to claim 3, wherein a stopper for limiting the moving range of the ball is provided inside the ball sleeve, and when the ball sleeve moves to one end in the direction of the front end of the body, the stopper leaves the position for limiting the ball, and the ball can move freely into the space formed by the locking part and the ball sleeve.

6. The quick connector according to claim 5, wherein when the female connector is connected to the male connector, the ball sleeve is restored by the second elastic member, and the stopper is located at a position for stopping the ball so that the ball is pressed against an outer wall of the male connector.

7. The quick coupling of claim 1, wherein the through holes are four in number and are uniformly distributed on the side of the water passage ring, and/or the ball locking holes are four in number and are uniformly distributed on the side wall of the rear end of the body.

8. A spraying device, which is characterized by comprising a water tank and a water outlet pipe, wherein one end of the water outlet pipe is connected with a base of a female joint in the quick joint as claimed in claim 1.

9. The spraying device of claim 8, wherein the other end of the water outlet pipe is connected with an outlet of a water pump of the spraying device, and the contact part of the water outlet pipe and the spraying device is connected through a pipe locking cap and a rubber sheath.

10. The spraying apparatus as claimed in claim 8, wherein the female connector of the quick connector is connected to a male connector provided in a dust removing device, a cement cutting device or a water spraying device.

Technical Field

The invention relates to the field of quick connectors, in particular to a quick connector and a spraying device using the quick connector.

Background

The electric sprayer is composed of liquid storage barrel, filter screen, connecting head, electric pump, connecting pipe, spray pipe and spray head which are connected and communicated in turn, the electric pump is electrically connected with battery by means of wire and switch, the battery box is mounted in the bottom portion of liquid storage barrel, the liquid storage barrel can be made into a recessed groove for mounting battery. But its function is limited to spraying and sprinkling liquid and cannot be used in combination with some other devices that require dust removal.

The existing connector for liquid is generally complex in connection mode, does not have the function of one-way conduction, is not enough in sealing performance, can generate the conditions of water leakage and the like, is not suitable for being used on a spraying device, realizes the combined use of the spraying device and other dust removing equipment, and limits the application range of the spraying device.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a quick connector and a spraying device which can realize the function of quick connection or disconnection and effectively prevent liquid leakage.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a quick connector comprising:

the connector comprises a male connector and a female connector, wherein the female connector comprises a base and a body arranged on the base, and an accommodating cavity capable of accommodating the male connector is formed in the body in a hollow mode;

the check valve further comprises a check valve body connected to the front end of the body through a first elastic component, the check valve body comprises a water blocking seat and a water passing ring, a plurality of through holes are formed in the side surface of the water passing ring, and a check valve sealing ring is arranged between the water blocking seat and the water passing ring;

a circle of bosses for limiting the water retaining seat are arranged in the connection part of the front end of the body and the rear end of the body, and when the female joint is not connected with the male joint, the water retaining seat and the circle of bosses are sealed through a one-way valve sealing ring;

the side wall of the rear end of the body is provided with a plurality of ball lock holes, and a ball is arranged in each ball lock hole;

the periphery of the side wall of the rear end of the body is provided with a ball sleeve for limiting the moving range of the balls, and the ball sleeve is connected with the rear end of the body in a sliding manner through a second elastic part;

the side wall of the rear end of the body is provided with a limiting bulge used for limiting the sliding range of the ball sleeve, and the ball sleeve is provided with a limiting groove corresponding to the limiting bulge.

Preferably, the quick coupling, wherein a circle of groove is arranged between the water blocking seat and the water passing ring, and the check valve sealing ring is arranged in the groove.

Preferably, the quick coupling, wherein the rear end of the body has a connecting portion with the same diameter as the front end of the body and a locking portion with a diameter larger than the front end of the body, and the ball locking hole is formed in a side wall of the locking portion.

Preferably, the quick coupling has a circle of transition inclined surface between the locking portion and the connecting portion, and when the female coupling is connected to the male coupling, a male coupling sealing ring of the male coupling is pressed against the transition inclined surface to seal the connecting portion.

Preferably, the quick coupling further includes a stopper disposed inside the ball sleeve to limit a moving range of the ball, and when the ball sleeve moves to one end of the front end of the body, the stopper leaves a position of the ball, and the ball can move freely into a space formed by the locking portion and the ball sleeve.

Preferably, when the female joint is connected with the male joint, when the ball sleeve is reset through the second elastic component, the limiting block is located at the position of limiting the ball, so that the ball is pressed against the outer wall of the male joint.

Preferably, the number of the through holes is four, and the through holes are evenly distributed on the side surface of the water passing ring, and/or the number of the ball lock holes is four, and the ball lock holes are evenly distributed on the side wall of the rear end of the body.

The scheme also provides a spraying device which is provided with a water tank and a water outlet pipe, wherein one end of the water outlet pipe is connected with the base of the female joint in the quick joint.

Preferably, the other end of the water outlet pipe is connected with an outlet of a water pump of the spraying device, and the contact part of the water outlet pipe and the spraying device is connected through a pipe locking cap and a rubber sheath.

Preferably, the spraying apparatus, wherein the female connector of the quick connector is connected to a male connector provided in a dust removing device, a cement cutting device or a water spraying device.

The beneficial effect of present case: the quick-operation joint of present case can be arranged in connecting some equipment that need the water, for example, some dust collecting equipment etc, it is sealed to utilize the check valve sealing washer between manger plate seat and the round boss, when female joint is not connected the male joint, manger plate seat can stop shelves water, prevent to leak water (or other liquid), only when male joint connects female joint, the ball cover slides to body front end direction, ball free activity, male joint inserts this moment, also can make the male joint unblock, can realize quick-operation connection or split function, a plurality of through-hole has on the side of utilizing logical water circle, this quick-operation joint reaches the connected state, utilize the sealing washer on the male joint, also can play the effect that prevents leaking.

Drawings

FIG. 1 is a schematic cross-sectional view of a female coupling in a quick coupling according to an embodiment of the present invention;

FIG. 2 is a cross-sectional schematic view of a quick connector according to an embodiment of the present invention;

FIG. 3 is a schematic view of a spray device according to an embodiment of the present invention;

fig. 4 is a schematic view of a quick-connect sprayer according to one embodiment of the invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments and the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.

As shown in fig. 1-2, a quick connector 100 includes:

the connector comprises a male connector 20 and a female connector 10, wherein the female connector 10 comprises a base 11 and a body 12 arranged on the base 11, and an accommodating cavity 13 capable of accommodating the male connector 20 is formed in the body 12 in a hollow manner;

the check valve further comprises a check valve body 15 connected to the front end 121 of the body through a first elastic component 14, wherein the check valve body 15 comprises a water retaining seat 151 and a water passing ring 152, a plurality of through holes 153 are formed in the side surface of the water passing ring 152, and a check valve sealing ring 154 is arranged between the water retaining seat 151 and the water passing ring 152;

a circle of bosses 1211 for limiting the water retaining seat 151 are arranged inside the joint of the front end 121 of the body and the rear end 122 of the body, and when the female connector 10 is not connected with the male connector 20, the water retaining seat 151 and the circle of bosses 1211 are sealed through a one-way valve sealing ring 154;

a plurality of ball locking holes 1221 are formed in the side wall of the rear end 122 of the body, and a ball 1222 is arranged in each ball locking hole 1221;

the periphery of the side wall of the rear end 122 of the body is provided with a ball sleeve 16 for limiting the moving range of the balls 1222, and the ball sleeve 16 is slidably connected with the rear end 122 of the body through a second elastic part 17;

the side wall of the rear end 122 of the body is provided with a limiting protrusion 161 for limiting the sliding range of the ball sleeve 16, and the ball sleeve 16 is provided with a limiting groove 162 corresponding to the limiting protrusion 161.

The quick connector 100 of the present application can be used for connecting some devices requiring water, such as some dust removing devices, etc., and is sealed by the check valve sealing ring 154 between the water blocking seat 151 and the circle of boss 1211, when the female connector 10 is not connected to the male connector 20, the water blocking seat 151 can stop water to prevent water leakage (or other liquid), only when the male connector 20 is connected to the female connector 10, the ball sleeve 16 slides towards the front end 121 of the body, the ball 1222 freely moves, at this time, the male connector 20 is connected, and the male connector 20 can be unlocked, so that the quick connection or disconnection function can be realized, and the quick connector 100 reaches a connection state by having a plurality of through holes 153 on the side surface of the water passing ring 152, and the sealing ring 21 on the male connector 20 can also play a role of preventing water leakage.

A circle of groove 1511 is arranged between the water blocking seat 151 and the water passing ring 152, and the one-way valve sealing ring 154 is arranged in the groove 1511. The check valve packing 154 performs a function of preventing water leakage.

The rear body end 122 has a connecting portion 1223 having the same diameter as the front body end 121 and a locking portion 1224 having a larger diameter than the front body end 121, and the ball locking hole 1221 is provided in a side wall of the locking portion 1224.

A ring of transition chamfers 1225 is provided between the locking portion 1224 and the connecting portion 1223, and when the female connector 10 is connected to the male connector 20, the male connector 20 has a male connector seal 21 pressed against the transition chamfers 1225 to seal the connecting portion 1223. The male connector 20 has a male connector sealing ring 21 just pressed on the inclined transition inclined surface 1225, the male connector 20 also has a locking groove 22, the locking groove 22 is used for enabling the female connector 10 to be connected and locked with the male connector 20, the male connector 20 adopts the male connector 20 in the prior art, the improvement of the scheme is in the structure of the female connector 10, particularly in the structure of the one-way valve body 15, therefore, the male connector 20 of the scheme is suitable for the existing male connector 20 on the market, is convenient to match with the existing male connector 20, and has a wide application range.

The ball sleeve 16 has a stopper 163 for limiting the moving range of the ball 1222, when the ball sleeve 16 moves to one end of the front end 121 of the body, the stopper 163 is separated from the position of the ball 1222, and the ball 1222 can move freely to the space formed by the locking part 1224 and the ball sleeve 16. When the ball sleeve 16 moves to one end of the front end 121 of the body, the limiting block 163 leaves the position of the limiting ball 1222, and the male connector 20 can be connected or taken out, so that the quick connection or the quick connection and the quick disconnection are realized.

When the female connector 10 is connected to the male connector 20, when the ball sleeve 16 is restored by the second elastic member 17, the stopper 163 is located at the position of the stopping ball 1222, so that the ball 1222 is pressed against the outer wall of the male connector 20. When the ball sleeve 16 is naturally elastically pressed by the second elastic member 17, and is forced to limit the position between the limiting protrusions 161 and the corresponding limiting grooves 162, the second elastic member 17 can only release a certain length, and keep a certain elastic pressing, so as to position the ball sleeve 16, so that the limiting block 163 is located at the periphery of the ball 1222, and limit the movement of the ball 1222, so that the female joint 10 is in a locked state.

The number of the through holes 153 is four, and the through holes 153 are uniformly distributed on the side surface of the water passing ring 152, and the number of the through holes 153 is four, so that the water inlet efficiency is not influenced. The ball lockholes 1221 are four in number and evenly distributed on the side wall of the rear end 122 of the body, the ball lockholes 1221 are symmetrical in pairs, the male connector 20 can be locked, and the grabbing force is strong.

As shown in fig. 3 to 4, the present disclosure further provides a spraying apparatus 200, where the spraying apparatus 200 includes a water tank 30 and a water outlet pipe 40, and one end of the water outlet pipe 40 is connected to the base 11 of the female connector 10 in the quick connector 100. The spraying device 200 may be a spraying device 200 in the prior art, and includes a water tank 30 for storing water, a cover is covered on the water tank 30, and the water outlet of the water tank is connected with water through a water outlet pipe 40.

The other end of the water outlet pipe 40 is connected with the outlet of a water pump 43 of the spraying device 200, and the contact part of the water outlet pipe 40 and the spraying device 200 is connected through a pipe locking cap 41 and a rubber sheath 42, so that the sealing performance is good. The water pump 43 is used to transport the liquid. The water outlet pipe 40 can be reserved with a certain length, so that the spraying device 200 is more flexible to use.

The female connector 10 of the quick connector 100 is connected to a male connector provided in a dust removing device, a cement cutting device, or a water spraying device, or may be a device for wiping glass or the like having the male connector and requiring a liquid. The multifunctional spraying device is suitable for various occasions needing liquid, the application range is wide, only one end of the male connector is connected into the female connector 10 of the scheme, the spraying device 200 is connected to the female connector 10, and equipment provided with the male connector 20 can be quickly connected to the female connector 10 of the scheme, so that the multifunctional spraying device 200 is achieved, and more use scenes are provided. The water spraying device comprises a spraying pipe, a spraying joint and the like, and realizes a spraying function.

In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.