CN210135357U

CN210135357U - Rubber tube valve joint

Info

Publication number: CN210135357U
Application number: CN201920651625.2U
Authority: CN
Inventors: 张强
Original assignee: Nanjing Azman Electronic Technology Co ltd
Current assignee: Nanjing Azman Electronic Technology Co ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-03-10
Anticipated expiration: 2029-05-08

Abstract

The utility model discloses a rubber tube valve connects, including parent subassembly, rotating assembly and daughter subassembly three. The parent assembly comprises a parent piece, a parent bolt arranged at the end part of the parent piece, a parent movable rod arranged at the inner side of the parent piece, a parent guide plate arranged at one end of the parent movable rod, and a parent guide rod end arranged at the other end of the parent movable rod; the rotating assembly comprises a rotating piece arranged at the end part of the parent body, a rotating spring arranged on the inner wall of the rotating piece, a ball seat arranged at the end part of the rotating piece and a steel ball arranged on the ball seat; the daughter subassembly includes daughter spare, sets up at the inboard daughter movable rod of daughter spare, sets up at the daughter guide bar end of daughter movable end one end, sets up the daughter guide plate at the daughter movable rod other end. The utility model is used for the switching of rubber tube valve still can smoothly transport under the high pressure, has also guaranteed outstanding gas tightness simultaneously.

Description

Rubber tube valve joint

Technical Field

The utility model relates to a pipe valve connection technology, concretely relates to rubber tube valve joint.

Background

In the commonly used rubber pipeline connecting piece, need often be dismantled and maintain, the switching connecting piece that needs this moment still need keep tight gas tightness when satisfying nimble dismantlement, guarantee the stability of transmission, prevent that the liquid in the pipeline from flowing with gas in a large number, cause unnecessary loss and serious consequence.

In the prior art, a switching device for connecting two pipelines with the same nominal diameter is usually a movable joint, a main switch needs to be turned off when the joint is changed, so that the operation can be realized, and meanwhile, a large amount of raw materials still remain in the pipelines, so that unnecessary waste is easily caused.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model provides a rubber tube valve connects, has solved the above-mentioned problem that prior art exists.

The technical scheme is as follows: a rubber tube valve joint comprises a parent assembly, a rotating assembly and a sub-assembly.

The parent assembly comprises a parent piece, a parent bolt arranged at the end part of the parent piece, a parent movable rod arranged on the inner side of the parent piece, a parent guide plate arranged at one end of the parent movable rod, a parent guide rod end arranged at the other end of the parent movable rod, a parent spring coaxially contained on the parent movable rod, and a parent limit ring arranged at the end part of the guide plate;

the rotating assembly comprises a rotating piece arranged at the end part of the parent piece, a rotating spring arranged on the inner wall of the rotating piece, a ball seat arranged at the end part of the rotating piece, a steel ball arranged on the ball seat, a first O-shaped ring arranged at one end of the rotating piece and arranged on the inner side of the rotating piece, and a second O-shaped ring arranged at the other end of the rotating piece and arranged on the inner side of the rotating piece;

the daughter subassembly, including daughter spare, set up at the inboard daughter movable rod of daughter spare, set up the daughter guide plate of daughter movable rod one end sets up the daughter guide rod end of the daughter movable rod other end, coaxial containing set up the daughter spring on the parent movable rod, set up the daughter spacing ring at daughter guide plate tip.

In a further embodiment, the end of the female piece is further provided with female parent threads, and the end of the female piece is further provided with female body threads for connecting a rubber tube. The parent internal thread and the daughter internal thread are respectively connected with the rubber tube to be connected in a rotating and sealing mode, and operation is convenient.

In a further embodiment, the female member and rotating member connection portion is provided with a 90 degree step for retaining the first O-ring. The rotating piece is sleeved on the mother piece to realize sliding, and the first O-shaped ring plays a role in compressing and sealing while effectively realizing sliding, so that the rotating piece is prevented from loosening.

In a further embodiment, a rotating groove is arranged in the middle of the rotating part, and diamond-shaped knurls are arranged on two sides of the groove. The diamond knurls increase friction, operation is convenient, the grooves are used for reducing mass, and the function of rotary sealing can be realized in the state of meeting the integral hardness.

In a further embodiment, a sub body groove is arranged in the middle of the sub body part; when the socket is inserted, the sub body groove is matched with the steel ball. When the joint is used, the steel ball is lubricated and is connected with the parent part under the pressure of the pipeline, so that the parent part and the child part can be easily and conveniently connected.

In a further embodiment, the parent guide plate and the daughter guide plate are arranged in a three-blade shape, and can also play an effective supporting role under the function of flow guiding.

In a further embodiment, the mother movable rod is movably sleeved on the guide plate, the mother movable rod slides in the guide plate under the mutual action pressure of the end of the mother guide rod and the end of the daughter guide rod, the mother movable rod can return under the action of the mother spring, and the mother limit ring is clamped at the position in contact with the mother thread to provide a certain supporting force for the guide plate.

In a further embodiment, the contact part of the rotating piece and the steel ball is provided with a slope, the contact part of the rotating piece and the parent piece is in threaded fit, when the parent piece is clamped with the child piece, the rotating piece can rotate, the pressing force between the steel ball and the ball seat can be regulated and controlled under the action of the slope, the gap allowance caused by damage of the steel ball is prevented, the sealing performance of the whole transmission process is improved, and the rotating piece can return under the pressure of a rotating spring.

Has the advantages that: the utility model is used for the switching of rubber tube valve, in the use of vulnerable part steel ball, utilize the gas tightness between revolving part fastening steel ball and the ball seat, the outside utilizes O shape sealing washer to carry out the secondary seal simultaneously, in steel ball cooperation process, can effectively solve the stress that radial rotation brought, can guarantee still can smoothly transport under high pressure, outstanding gas tightness has also been guaranteed simultaneously, and need not to turn off the master switch and consider intraductal residue when the change-over head, can directly carry out the plug, improve the efficiency of whole operation.

Drawings

Fig. 1 is a schematic sectional view of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic view of a partial structure of the present invention.

The figures are numbered: the female part comprises a female part 1, a female bolt 101, female threads 102, a female retainer ring 103, a female deflector 104, a female spring 105, a female movable rod 106, a female guide rod end 107, a female part 2, a female bolt 201, a female groove 202, a female movable rod 203, a female guide rod end 204, female threads 205, a female deflector 206, a female retainer ring 207, a female spring 208, a rotating part 3, diamond knurls 301, a rotating groove 302, a steel ball 303, a ball seat 304, a first O-shaped ring 305, a rotating spring 306 and a second O-shaped ring 307.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, fig. 2 and fig. 3, the utility model discloses a rubber tube valve joint, including parent subassembly, rotating assembly and daughter subassembly three.

The parent assembly comprises a parent body 1, a parent bolt 101, parent internal threads 102, a parent limit ring 103, a parent guide plate 104, a parent spring 105, a parent movable rod 106 and a parent guide rod end 107.

The rotating assembly comprises a rotating piece 3, a diamond-shaped knurl 301, a rotating groove 302, a steel ball 303, a ball seat 304, a first O-shaped ring 305, a rotating spring 306 and a second O-shaped ring 307.

The sub-body assembly comprises a sub-body part 2, a sub-body bolt 201, a sub-body groove 202, a sub-body movable rod 203, a sub-body guide rod end 204, a sub-body internal thread 205, a sub-body guide plate 206, a sub-body limiting ring 207 and a sub-body spring 208.

Among the parent subassembly, including parent spare 1, parent bolt 101 is fixed to be set up at the link with the rubber tube, and parent internal thread 102 sets up at the link with the rubber tube, and parent spacing ring 103 sets up at parent internal thread 102's tip, and spacing in parent internal thread 102 tip, and parent guide plate 104 sets up parent spacing ring 103 tip, parent movable rod 106 are coaxial cup jointed in parent guide plate 104 middle part, and parent spring 105 cup joints parent movable rod 106, parent guide rod end 107 fixed connection be in parent movable rod 106 tip.

In the rotating assembly, a rotating member 3 is coaxially sleeved on a parent member 1, a rotating groove 302 is formed in the outer surface of the middle of the rotating member 3, diamond-shaped knurls 301 are arranged on two sides of the rotating groove 302, a ball seat 304 is coaxially arranged on the inner side of the rotating member 3, a steel ball 303 is arranged between the ball seat 304 and the rotating member 3, a first O-shaped ring 305 is arranged at one end of the rotating member 3 and is arranged on the inner side of the rotating member 3, a second O-shaped ring 307 is arranged at the other end of the rotating member 3 and is arranged on the inner side of the rotating member 3, and a rotating spring 306 is arranged on the inner wall of the rotating member 3.

In the daughter subassembly, daughter spare 2 can be coaxial cup jointed in mother spare 1, daughter bolt 201 is fixed to be set up at the link with the rubber tube, daughter internal thread 205 sets up at the link with the rubber tube, and daughter spacing ring 207 sets up at daughter internal thread 205's tip, and spacing in daughter internal thread 205 tip, daughter guide plate 206 sets up daughter spacing ring 207 tip, daughter movable rod 203 coaxial cup joints in daughter guide plate 206 middle part, and daughter spring 208 cup joints daughter movable rod 203, daughter guide rod end 204 fixed connection are in mother movable rod 106 tip, daughter recess 202 sets up in daughter spare 2 middle part, can cooperate with steel ball 303.

The specific working process is as follows: the daughter piece 2 and the rubber connecting end are respectively screwed through the daughter bolt 201, the mother piece 1 and the rubber connecting end are respectively screwed through the mother bolt 101, the daughter piece 2 drives the rubber tube to move towards the inner side of the mother piece 1, the daughter guide rod end 204 and the mother guide rod end 107 are mutually contacted to generate an interaction force, the mother movable rod 106 and the daughter movable rod 203 are respectively pushed to axially move to the hollow positions of the mother guide plate 104 and the daughter guide plate 206, and axial movement is realized, under the return action of the parent spring 105 and the sub spring 208, the automatic opening and closing of the valve can be realized, when the parent rod end 107 and the daughter rod end 204 are separated from the respective supports, a cavity is formed, the valve is opened, the liquid or gas in the tube flows, when the son body part 2 is separated from the mother body part 1, the valve is automatically closed, the liquid or gas in the pipe stops flowing, wherein the daughter baffle 206 and the mother baffle 104 can perform a certain diversion function. When the daughter groove 202 of the daughter piece 2 is in fit contact with the steel ball 303, when the steel ball 303 is excessively worn, the rotating piece 3 is screwed, the slope inside the rotating piece 3 can push the steel ball 303 to be fastened, the fatigue loosening of the rotating piece 3 can be effectively prevented under the return pressure of the rotating spring 306, and the first O-shaped ring 305 and the second O-shaped ring 307 can play a role in sealing protection at the moment.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A rubber tube valve joint is characterized by comprising:

the parent assembly comprises a parent piece, a parent bolt arranged at the end part of the parent piece, a parent movable rod arranged at the inner side of the parent piece, a parent guide plate arranged at one end of the parent movable rod, a parent guide rod end arranged at the other end of the parent movable rod, a parent spring coaxially contained on the parent movable rod, and a parent limit ring arranged at the end part of the guide plate;

the rotating assembly comprises a rotating piece arranged at the end part of the parent piece, a rotating spring arranged on the inner wall of the rotating piece, a ball seat arranged at the end part of the rotating piece, a steel ball arranged on the ball seat, a first O-shaped ring arranged at one end of the rotating piece and arranged at the inner side, and a second O-shaped ring arranged at the other end of the rotating piece and arranged at the inner side;

2. A rubber tube valve joint as defined in claim 1, wherein: the female member tip still is provided with the parent internal thread, the son piece tip still is provided with the son internal thread for connect the rubber tube.

3. A rubber tube valve joint as defined in claim 1, wherein: the connecting part of the female piece and the rotating piece is provided with a 90-degree step for limiting the first O-shaped ring.

4. A rubber tube valve joint as defined in claim 1, wherein: the middle part of the rotating part is provided with a rotating groove, and two sides of the groove are provided with diamond knurls.

5. A rubber tube valve joint as defined in claim 1, wherein: a sub-body groove is formed in the middle of the sub-body part; when the socket is inserted, the sub body groove is matched with the steel ball.

6. A rubber tube valve joint as defined in claim 1, wherein: the parent guide plate and the daughter guide plate are arranged in a three-blade shape.