CN216009933U - SP and PP type combined C type self-locking quick connector - Google Patents
SP and PP type combined C type self-locking quick connector Download PDFInfo
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- CN216009933U CN216009933U CN202122047877.4U CN202122047877U CN216009933U CN 216009933 U CN216009933 U CN 216009933U CN 202122047877 U CN202122047877 U CN 202122047877U CN 216009933 U CN216009933 U CN 216009933U
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Abstract
The utility model relates to the technical field of C-type self-locking quick connectors, in particular to an SP and PP type combined C-type self-locking quick connector, which comprises a male head and a female head, wherein the male head is assembled inside the female head, and the female head comprises a self-locking ring, a marble positioning ring, a quick connecting main body, a steel ball, a quick connecting tail end, an air sealing column, an air sealing plug, an air sealing ring, a limiting clamp, an upper O-shaped sealing ring, a lower O-shaped sealing ring, an O-shaped sealing ring, a sealing ring and a steel ball limiting ring. Therefore, the problem that the male head of the connection falls off due to the fact that the self-locking ring and the marble positioning ring slide relatively exists.
Description
Technical Field
The utility model relates to the technical field of C-type self-locking quick connectors, in particular to an SP and PP type combined C-type self-locking quick connector.
Background
The C-type self-locking quick connector is a common pneumatic system accessory, the installation and maintenance of a pneumatic system are greatly facilitated by self-locking and quick plugging, and because water or gas connected with the C-type self-locking quick connector flows, larger pressure can be generated, and at the moment, after a steel ball is locked, a self-locking ring is not provided with a positioning and fixing structure of the self-locking ring in the C-type self-locking quick connector, so that the self-locking ring and a marble positioning ring slide relatively to cause the male connector to fall off.
In summary, the present invention solves the existing problems by designing a SP and PP type combined C-type self-locking quick coupling.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an SP and PP type combined C-shaped self-locking quick connector to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
an SP and PP type combined C-shaped self-locking quick connector comprises a male head and a female head, wherein the male head is assembled inside the female head, the female head comprises a self-locking ring, a marble positioning ring, a quick-connection main body, a steel ball, a quick-connection tail end, an air sealing column, an air sealing plug, an air sealing ring, a limiting clamp, an upper O-shaped sealing ring, a lower O-shaped sealing ring, an O-shaped sealing ring, a sealing ring and a steel ball limiting ring, the end part of the male head is provided with a quick-connection tail, the outer wall of the quick-connection main body is provided with an external thread, a positioning nut is sleeved on the outer wall of the quick connection main body and corresponds to the external thread, a self-locking ring is sleeved above the external thread and above the external thread, the quick-connection tail end is fixedly arranged at the center of the bottom of the quick-connection main body, conical heads are arranged at the quick-connection tail end and one end of the quick-connection tail end, and a pressure pipe head is connected to the quick-connection tail and located on the outer side of the conical heads.
As the preferable scheme of the utility model, the outer walls of the quick-connection tail and the quick-connection tail end are both provided with threads, and the quick-connection tail and the pipe pressing head are connected in a threaded manner.
As a preferable scheme of the utility model, the connection mode of the self-locking ring and the quick-connection main body is up-down sliding connection, and the connection mode of the positioning nut and the external thread of the outer wall of the quick-connection main body is threaded connection.
As a preferable scheme of the utility model, a marble positioning ring is assembled on the inner wall of the quick-connection main body and corresponds to the self-locking ring, steel balls are uniformly arranged at the end part of the marble positioning ring and the port part close to the marble positioning ring, an air seal ring is sleeved at the bottom of the marble positioning ring and positioned inside the quick-connection main body, the other end of the air seal ring is sleeved on the outer wall of the seal ring, the other end of the seal ring is sleeved on the outer wall of the air seal column, and an air seal plug is sleeved on the outer wall of the air seal column and positioned inside the quick-connection main body.
As a preferable scheme of the utility model, the bottom of the gas seal column penetrates through the gas seal plug and extends to the other side of the gas seal plug to be sleeved with a lower O-shaped sealing ring, the outer wall of the gas seal plug is provided with a limiting clamp, the outer wall of the gas seal column is sleeved with an upper O-shaped sealing ring at the joint of the gas seal column and the gas seal plug, the O-shaped sealing ring is sleeved below the limiting clamp and at the outer wall of the gas seal plug, the inner wall of the self-locking ring is provided with a steel ball limiting ring in contact with the steel ball, and one side of the steel ball limiting ring is provided with a 45-degree chamfer.
According to the preferable scheme of the utility model, at least eight steel balls are arranged in the steel ball positioning through holes formed in the marble positioning ring at equal angles, the steel balls are in clearance fit with the steel ball positioning through holes, the outer wall of the self-locking ring is subjected to knurling anti-slip treatment, and the outer walls of the self-locking ring, the quick-connection main body and the quick-connection tail end are provided with nickel plating layers.
As a preferable scheme of the utility model, the upper O-shaped sealing ring and the lower O-shaped sealing ring are respectively installed in positioning grooves formed in the outer wall of the gas seal column, the gas seal plug is fixedly connected to the gas seal column through a limiting clamp, the gas seal plug, the gas seal ring and the gas seal column are all assembled inside the quick-connection main body, and the O-shaped sealing ring is sleeved inside a notch formed in the outer wall of the gas seal plug.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the male head in the female head is locked by the balls, and under the effect that the positioning nut is in threaded connection with the external thread on the outer wall of the quick-connection main body, the positioning nut is rotated to screw the positioning nut to the bottom of the self-locking ring for positioning, so that the problem that the male head connected with the C-type self-locking quick connector falls off due to the fact that water or gas connected with the C-type self-locking quick connector generates large pressure during flowing, and at the moment, after the self-locking ring locks the steel balls in the C-type self-locking quick connector, a positioning and fixing structure of the self-locking ring is not arranged, and the self-locking ring and the marble positioning ring slide relatively.
2. According to the C-type self-locking quick connector, the positioning nut is additionally arranged on the original structure of the C-type self-locking quick connector to position the locking ring, so that the advantages of the original structure are guaranteed, the locking stability is improved, the structure is more scientific and reasonable, and the C-type self-locking quick connector is more suitable for being popularized and used in a large range.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the disassembled male and female connectors of the present invention;
FIG. 3 is a schematic bottom view of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of a portion of the structure of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of a portion of the structure of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic view of a portion of the structure of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic view of a portion of FIG. 6 in accordance with the present invention;
FIG. 8 is a schematic view of a portion of the structure of FIG. 7 in accordance with the present invention;
FIG. 9 is a schematic structural view of a quick-connect body according to the present invention;
FIG. 10 is a schematic view of the structure of the gas-sealed column of the present invention;
fig. 11 is a schematic view of the self-locking ring of the present invention.
In the figure: 1. a male head; 2. a female head; 3. quickly connecting the tail; 4. a conical head; 5. pressing the pipe head; 201. a self-locking ring; 202. a marble positioning ring; 203. a quick-connection main body; 204. steel balls; 205. quickly connecting the tail end; 206. a gas seal column; 207. air sealing; 208. air sealing ring; 209. a limiting clamp; 210. an O-shaped sealing ring is arranged; 211. a lower O-shaped sealing ring; 212. an O-shaped sealing ring; 213. a seal ring; 214. a steel ball limiting ring; 215. an external thread; 216. and positioning the nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
While several embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in order to facilitate an understanding of the utility model, the utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed to provide a more complete disclosure of the utility model.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-11, the present invention provides a technical solution:
a SP and PP type combined C-shaped self-locking quick connector comprises a male head 1 and a female head 2, wherein the male head 1 is assembled inside the female head 2, the female head 2 comprises a self-locking ring 201, a marble positioning ring 202, a quick connection main body 203, a steel ball 204, a quick connection tail end 205, an air sealing column 206, an air sealing plug 207, an air sealing ring 208, a limiting clamp 209, an upper O-shaped sealing ring 210, a lower O-shaped sealing ring 211, an O-shaped sealing ring 212, a sealing ring 213 and a steel ball limiting ring 214, the end part of the male head 1 is provided with a quick connection tail 3, the outer wall of the quick connection main body 203 is provided with an external thread 215, the outer wall of the quick connection main body 203 is sleeved with a positioning nut 216 correspondingly to the external thread 215, the self-locking ring 201 is sleeved above the external thread 215 and positioned above the external thread 215, the quick connection tail end 205 is fixedly arranged at the center of the bottom of the quick connection main body 203, the quick connection tail 3 and one end of the quick connection tail end 205 are both provided with conical heads 4, a pressure pipe head 5 is connected to the quick-connection tail 3 and positioned on the outer side of the conical head 4.
As a further preferable scheme of the present invention, the outer walls of the quick connection tail 3 and the quick connection tail end 205 are both provided with threads, and the connection mode of the quick connection tail 3 and the pipe pressing head 5 is threaded connection.
As a further preferable mode of the present invention, the connection mode of the self-locking ring 201 and the quick-connection main body 203 is a vertical sliding connection, and the connection mode of the positioning nut 216 and the external thread 215 of the outer wall of the quick-connection main body 203 is a threaded connection.
As a further preferable scheme of the present invention, a marble positioning ring 202 is assembled on the inner wall of the quick-connection main body 203 and corresponds to the self-locking ring 201, steel balls 204 are uniformly arranged at the end of the marble positioning ring 202 and near the port of the marble positioning ring 202, an air sealing ring 208 is sleeved at the bottom of the marble positioning ring 202 and located inside the quick-connection main body 203, the other end of the air sealing ring 208 is sleeved on the outer wall of a sealing ring 213, the other end of the sealing ring 213 is sleeved on the outer wall of an air sealing column 206, and an air sealing plug 207 is sleeved on the outer wall of the air sealing column 206 and located inside the quick-connection main body 203.
As a further preferable scheme of the present invention, the bottom of the gas seal column 206 penetrates through the gas seal plug 207 and extends to the other side of the gas seal plug 207 to be sleeved with a lower O-ring seal 211, the outer wall of the gas seal plug 207 is provided with a limit clamp 209, the outer wall of the gas seal column 206 and the joint of the gas seal column 206 and the gas seal plug 207 is sleeved with an upper O-ring seal 210, the O-ring seal 212 is sleeved below the limit clamp 209 and on the outer wall of the gas seal plug 207, the inner wall of the self-locking ring 201 and the steel ball 204 are in contact with each other to be provided with a steel ball limit ring 214, and one side of the steel ball limit ring 214 is provided with a 45-degree chamfer so as to facilitate positioning and locking of the steel ball 204.
As a further preferable scheme of the utility model, at least eight steel balls 204 are arranged inside steel ball positioning through holes formed in the marble positioning ring 202 at equal angles, the matching mode of the steel balls 204 and the steel ball positioning through holes is clearance fit, so that effective locking is ensured, the outer wall of the self-locking ring 201 is subjected to knurling anti-slip treatment, so that the friction force between the self-locking ring 201 and a user is increased, and the outer walls of the self-locking ring 201, the quick-connection main body 203 and the quick-connection tail end 205 are all provided with nickel-plated layers, so that the anti-corrosion effect is achieved, and the service life is prolonged.
As a further preferable scheme of the present invention, the upper O-ring 210 and the lower O-ring 211 are respectively installed in positioning grooves formed on the outer wall of the air sealing column 206, the air sealing plug 207 is fixedly connected to the air sealing column 206 through a limiting clamp 209, the air sealing plug 207, the air sealing ring 208 and the air sealing column 206 are all assembled inside the quick connection main body 203, and the O-ring 212 is sleeved inside a notch formed on the outer wall of the air sealing plug 207.
The working process of the utility model is as follows: when the self-locking ring 201 and the quick-connecting main body 203 are connected in a vertical sliding mode, when the male head 1 is inserted into the female head 2 to be locked, the self-locking ring 201 can extrude the steel balls 204 in the marble positioning ring 202, so that the male head 1 in the female head 2 is locked by the steel balls 204, at the moment, under the condition that the positioning nut 216 and the external thread 215 on the outer wall of the quick-connecting main body 203 are connected in a threaded mode, the positioning nut 216 is rotated to screw the positioning nut 216 to the bottom of the self-locking ring 201 to be positioned, in the process, the male head 1 in the female head 2 is locked by the balls 204, under the condition that the positioning nut 216 and the external thread 215 on the outer wall of the quick-connecting main body 203 are connected in a threaded mode, the positioning nut 216 is rotated to screw the bottom of the self-locking ring 201 to be positioned, and water or gas connected by the C-type self-locking quick-connecting joint is solved, when flowing, the great pressure that can produce, the self-locking circle is locking the back to the steel ball in C formula auto-lock quick-operation joint this moment, is not provided with the location fixed knot who self-locks the circle and constructs to there is the relative slip that carries on of self-locking circle and marble position circle, leads to the problem that the public head of connection drops.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a SP and PP type combination formula C formula auto-lock quick-operation joint, includes public head (1) and female head (2), its characterized in that: the male head (1) is assembled inside the female head (2), the female head (2) comprises a self-locking ring (201), a marble positioning ring (202), a quick-connection main body (203), a steel ball (204), a quick-connection tail end (205), an air sealing column (206), an air sealing plug (207), an air sealing ring (208), a limiting clamp (209), an upper O-shaped sealing ring (210), a lower O-shaped sealing ring (211), an O-shaped sealing ring (212), a sealing ring (213) and a steel ball limiting ring (214), the end part of the male head (1) is provided with a quick-connection tail (3), the outer wall of the quick-connection main body (203) is provided with an external thread (215), the outer wall of the quick-connection main body (203) is correspondingly sleeved with a positioning nut (216) and corresponds to the external thread (215), the self-locking ring (201) is sleeved above the external thread (215) and is positioned above the external thread (215), and the quick-connection tail end (205) is fixedly arranged at the center of the bottom of the quick-connection main body (203), the quick-connection tail (3) and one end of the quick-connection tail (205) are both provided with conical heads (4), and the outer side of the conical heads (4) on the quick-connection tail (3) is connected with a pressure pipe head (5).
2. The SP and PP type combined C-shaped self-locking quick connector as claimed in claim 1, wherein: the outer wall of the quick-connection tail (3) and the outer wall of the quick-connection tail (205) are both provided with threads, and the quick-connection tail (3) is in threaded connection with the pressure tube head (5).
3. The SP and PP type combined C-shaped self-locking quick connector as claimed in claim 2, wherein: the self-locking ring (201) is connected with the quick-connection main body (203) in a vertical sliding mode, and the positioning nut (216) is connected with the external thread (215) on the outer wall of the quick-connection main body (203) in a threaded mode.
4. The SP and PP type combined C-shaped self-locking quick connector as claimed in claim 3, wherein: the inner wall of connecing main part (203) soon and correspond with self-locking circle (201) and be equipped with marble position circle (202), the tip of marble position circle (202) evenly is provided with steel ball (204) and the port department that is close to marble position circle (202), the bottom of marble position circle (202) has cup jointed gas seal circle (208) and is located the inside of connecing main part (203) soon, the outer wall at sealing washer (213) is cup jointed to gas seal circle (208) other end, the other end of sealing washer (213) is cup jointed on the outer wall of gas seal post (206), gas seal post (206) on the outer wall and be located the inside of connecing main part (203) soon cup jointed gas seal stopper (207).
5. The SP and PP type combined C-shaped self-locking quick connector as claimed in claim 4, wherein: the bottom of gas seal post (206) runs through gas seal stopper (207) and extends to the opposite side of gas seal stopper (207) and has cup jointed O type sealing washer (211) down, install spacing clamp (209) on the outer wall of gas seal stopper (207), O type sealing washer (210) have been cup jointed to the junction that is located gas seal post (206) and gas seal stopper (207) on the outer wall of gas seal post (206), O type sealing washer (212) have been cup jointed to the below of spacing clamp (209) and the outer wall that is located gas seal stopper (207), the inner wall of self-locking circle (201) is and be provided with steel ball spacing ring (214) with steel ball (204) contact, one side of steel ball spacing ring (214) is provided with 45 degrees chamfers.
6. The SP and PP type combined C-shaped self-locking quick connector as claimed in claim 5, wherein: the steel balls (204) are at least eight, and are arranged inside steel ball positioning through holes formed in the marble positioning ring (202) at equal angles, the steel balls (204) are in clearance fit with the steel ball positioning through holes, the outer wall of the self-locking ring (201) is subjected to knurling anti-skidding treatment, and nickel plating layers are arranged on the outer walls of the self-locking ring (201), the quick-connection main body (203) and the quick-connection tail end (205).
7. The SP and PP type combined C-shaped self-locking quick connector as claimed in claim 6, wherein: go up O type sealing washer (210), lower O type sealing washer (211) and install respectively in the constant head tank that gas seal post (206) outer wall was seted up, gas seal stopper (207) are through spacing clamp (209) fixed connection on gas seal post (206), gas seal stopper (207), gas seal ring (208) and gas seal post (206) all assemble the inside of connecing main part (203) soon, O type sealing washer (212) cup joint inside the notch that gas seal stopper (207) outer wall was seted up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122047877.4U CN216009933U (en) | 2021-08-27 | 2021-08-27 | SP and PP type combined C type self-locking quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122047877.4U CN216009933U (en) | 2021-08-27 | 2021-08-27 | SP and PP type combined C type self-locking quick connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216009933U true CN216009933U (en) | 2022-03-11 |
Family
ID=80533818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122047877.4U Active CN216009933U (en) | 2021-08-27 | 2021-08-27 | SP and PP type combined C type self-locking quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216009933U (en) |
-
2021
- 2021-08-27 CN CN202122047877.4U patent/CN216009933U/en active Active
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