Quick-change type pipe fitting connecting device

Abstract

A quick-change type pipe fitting connecting device comprises a connector base with a first channel and a connector with a second channel, the connector is installed in the channel of the connector base, a limiting sleeve capable of being pushed is arranged on the outer wall of the connector base, a circle of taper holes are formed in the peripheral wall of the outer wall of the connector base, and limiting stainless steel balls are correspondingly arranged in the taper holes respectively. The stainless steel ball freely enters and exits from the taper hole and further enters and exits in a limiting manner through the limiting sleeve; the limiting stainless steel balls and the limiting grooves are arranged on the connector base and the connector respectively, the movable limiting stainless steel balls are arranged on the inner wall of the first channel, and the movable limiting stainless steel balls and the limiting grooves are arranged on the circumference of the connector base. The joint seat and the joint are matched with or separated from the limiting stainless steel balls and the limiting grooves by pushing the limiting sleeve, and are assembled and disassembled in cooperation with plugging and unplugging actions, the whole process is easy to operate, and quick assembly and disassembly can be realized; and the coating type sealing ring inside has the characteristic of corrosion resistance. Different liquids in the pipeline can be sealed, and the device is suitable for environments with different liquids.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pipe fitting connecting device technical field, specifically relates to a quick detach quick assembly type pipe fitting connecting device. BACKGROUND

[0002] In prior art, the connecting mode of pipe fitting is various, mainly divided into fixed connection and detachable movable connection, the fixed connection has welding, bonding or hot melting etc., but this kind of connecting mode is not conducive to dismounting, the movable connection mode has screwing, clamping, sleeving etc., can be repeatedly dismounted, and is flexible and convenient to use, such as the connection between the water supply pipe and the water outlet terminal (such as faucet, shower etc.), but the current operation is more complex, and the use environment is more single, even if the simple screwing mode, it also needs to rotate many circles to realize dismounting, and the dismounting efficiency is relatively poor.

[0003] Therefore, the utility model comes into being. CONTENT OF UTILITY MODEL

[0004] The utility model discloses a kind of simple operation, and the purpose is to provide a wide range of application environment, and the installation and dismounting of connecting device are realized by sliding outer sleeve.

[0005] To achieve the above object, the utility model provides the following technical scheme: a quick-change type pipe fitting connecting device, including the joint seat with first passageway and the joint with second passageway, the joint is installed in the passageway inside of joint seat, characterized by, the outer wall of joint seat is provided with the limit sleeve that can be pushed, the outer wall peripheral wall of joint seat is provided with a circle of taper hole, and the taper hole is correspondingly limited with stainless steel ball, and stainless steel ball is freely in and out in taper hole further through limit sleeve and is limited in and out.

[0006] The outer wall peripheral circle of the joint is provided with the limit groove that is matched with the recess of stainless steel ball.

[0007] The passageway inside of the joint seat and the joint is limitedly installed with ladder shaft assembly by C-type clasp spring.

[0008] The ladder shaft assembly is composed of ladder shaft, backing plate, cladding type sealing ring, spring and check ring.

[0009] The cladding type sealing ring is composed of transparent material outside cladding sealing ring, with the advantages of corrosion resistance and elastic deformation.

[0010] The taper hole on the joint seat and the limit groove provided on the joint are opposite after being connected, and the included angle is 90 degrees.

[0011] The cladding type sealing ring is installed between the contact surface between the joint and the joint seat after the joint is inserted into the passageway inside the joint seat, and the inner wall of the joint seat is also provided with three-element ethylene-propylene sealing ring, for secondary sealing.

[0012] Compared with the prior art, the utility model discloses the beneficial effects are: the utility model discloses the limit stainless steel ball and limit groove are set up respectively in the joint seat and joint respectively, and the first passageway inner wall has the movable limit stainless steel ball, and the movable limit stainless steel ball and limit groove are set up on the circumference of joint seat, make the joint seat and joint complete the cooperation or separation of limit stainless steel ball and limit groove through the limit sleeve of pushing, and cooperate the plug -in action and complete the disassembly, whole process operation is simple, can realize quick dismounting, the inside cover type sealing ring has the characteristics of corrosion resistance. The sealing of different liquids in the pipeline can be realized, and it is suitable for different liquid environment. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the section assembly drawing of the utility model.

[0014] Figure 2 It is the three -dimensional installation schematic drawing of the utility model.

[0015] Figure 3 It is the exploded schematic drawing in Figure 1 .

[0016] Figure 4 It is the joint passageway inner installation component exploded schematic drawing in the utility model.

[0017] Figure 5 It is the joint seat passageway inner wall installation component exploded schematic drawing in the utility model.

[0018] In the drawing: 1, joint;2, joint seat;3, stepped shaft assembly;201, C type limit snap ring;202, limit sleeve;203, spring;204, EPDM sealing ring;205, cover type sealing ring;206, stainless steel ball;301, C type snap spring;302, check ring;303, spring;304, pad;305, cover type sealing ring;306, stepped shaft.

[0019] 1A, limit groove;2A, taper hole. DETAILED DESCRIPTION

[0020] The technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings in the utility model embodiment, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment;Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0021] The utility model is directed to the improvement of the defects of the complex dismounting structure and low dismounting efficiency of all the connecting devices between the present existing pipeline and pipeline.

[0022] Please refer to Figures 1 to 3 As shown in the drawings, a quick-change pipe fitting connecting device comprises a connector seat 2 with a first channel and a connector 1 with a second channel, the connector 1 is installed inside the channel of the connector seat 2, a pushable limiting sleeve 202 is sleeved on the outer wall of the connector seat 2, a spring 203 is installed inside the limiting sleeve 202, the front end is limited to move through a C-shaped limiting ring 201, and the limiting sleeve 202 is ensured not to fall off from the connector seat 2, the limiting sleeve 202 limits the stainless steel ball 206 in the normal state, and the stainless steel ball 206 enters the active state when the limiting sleeve 202 is pushed backward, and the limiting sleeve 202 limits the stainless steel ball 206 in the active state from falling out.

[0023] The inner wall of the connector seat 2 is further provided with a clamping groove for installing a cladding sealing ring 205 and an EPDM sealing ring 204; a circle of tapered holes 2A is arranged on the outer wall of the connector seat 2, and a limiting stainless steel ball 206 is correspondingly installed in each tapered hole 2A, and the stainless steel ball 206 freely enters and exits the tapered hole 2A and is further limited to enter and exit by the limiting sleeve 202.

[0024] The outer wall of the connector 1 is provided with a limiting groove 1A matching the recessed stainless steel ball, the connector 1 is inserted into the first channel of the connector seat by pushing the limiting sleeve 202, and the limiting groove 1A is moved to the position of the stainless steel ball 206, and the assembly of the connector seat 2 and the connector 1 is completed by loosening the limiting sleeve 202.

[0025] The stainless steel ball 206 is deep into the inner wall of the connector seat 2 through the tapered hole 2A, and the direction is from the outer wall of the connector seat 2 to the axis of the connector seat 2; the outer wall of the connector 1 is provided with a limiting groove matching the limiting stainless steel ball, the limiting sleeve 202 of the outer wall of the connector seat 2 is pushed to the bottom end, the connector 1 is installed into the connector seat 2, the limiting groove 1A of the connector 1 and the stainless steel ball 206 of the connector seat 2 reach the tight matching position, and the inner wall of the limiting sleeve 202 tightly presses on the stainless steel ball 206, and the connector 1 cannot be pulled out of the connector seat 2; the limiting sleeve 202 on the connector seat 2 is loosened, the limiting sleeve 202 moves upward, at this time, the stainless steel ball 206 is separated from the limiting groove A1 of the connector 1, that is, the connector 1 can be easily disassembled from the connector seat 2.

[0026] The channel inside the connector seat 2 and the connector 1 is limited to install a stepped shaft assembly through a C-shaped clamp spring 301, and the stepped shaft assembly is further sealed by a cladding type sealing ring and an inner inclined surface.

[0027] The stepped shaft assembly is composed of a stepped shaft 306, a backing plate 304, a cladding type sealing ring 305, a spring 303 and a stop ring 302.

[0028] The package type sealing ring is composed of a transparent material wrapped outside the sealing ring, and has the advantages of corrosion resistance and elastic deformation.

[0029] The taper hole 2A on the joint seat 2 is opposite to the limiting groove 1A on the joint 1, and the included angle is 90 degrees, that is, the included angle between the stainless steel ball 206 and the limiting groove 1A on the joint is 90 degrees.

[0030] The number of the taper holes 2A on the outer wall of the joint seat 2 is eight, that is, the number of the stainless steel balls is eight, and a set of stepped shaft assemblies is respectively installed in the joint seat and the joint, and the contact surfaces of the joint seat and the joint are both provided with a package type sealing ring, that is, the number of the package type sealing rings is three, so that the connection device does not produce water leakage after connecting two pipe fittings, and water or liquid can only flow out from the first channel and the second channel.

[0031] The package type sealing ring is composed of a transparent material wrapped outside the sealing ring, and has the advantages of corrosion resistance and elastic deformation.

[0032] When the utility model is in the installation state, the stainless steel ball 206 is in the limiting groove 1A of the joint 1, so as to limit the loosening of the joint 1 and achieve the purpose of firm installation.

[0033] The utility model completes the sealing in the dismounting and installation states through the package type sealing rings on the joint seat 2 and the joint 1 respectively, and the internal spring ensures the reset operation of the stepped shaft assembly and the limiting sleeve during the dismounting and mounting process; the package type sealing ring also ensures the environment used by the device, and whether it is clean water or corrosive liquid, it can be applied.

[0034] The utility model mainly solves the problems of quick installation and quick dismounting between two pipe fittings, and guarantees the safety sealing performance of the joint.

Claims

1. A quick connect pipe fitting assembly comprising a fitting body having a first passageway and a fitting having a second passageway, the fitting being mounted within the passageway of the fitting body, characterized in that, The outer wall of the joint seat is provided with a pushable limiting sleeve, a circle of tapered holes is arranged on the peripheral wall of the outer wall of the joint seat, and the tapered holes are respectively corresponded to limiting stainless steel beads. The stainless steel beads are freely in and out of the tapered holes and are further limited in and out by the limiting sleeve.

2. A quick connect coupling device according to claim 1, wherein, The peripheral circle of the outer wall of the joint is provided with a limiting groove which is matched with the recessed stainless steel beads.

3. A quick connect coupling device according to claim 1, wherein, The channel inside the joint seat and the joint is both provided with a stepped shaft assembly which is limited and installed by a C-shaped clamp spring.

4. A quick connect coupling device according to claim 3, wherein, The stepped shaft assembly is composed of a stepped shaft, a backing plate, a cladding type sealing ring, a spring and a check ring.

5. A quick connect coupling device according to claim 4, wherein, The cladding type sealing ring is composed of a transparent material cladded on the outside of the sealing ring, and has the advantages of corrosion resistance and elastic deformation.

6. A quick connect coupling device according to claim 2, wherein, The angle between the tapered hole on the joint seat and the limiting groove arranged on the joint is 90 degrees after they are connected.

7. A quick connect coupling device in accordance with claim 1, wherein, The contact surface between the joint and the joint seat after the joint is inserted into the channel of the joint seat is provided with a cladding type sealing ring, and a three-element ethylene-propylene sealing ring is further installed on the inner wall of the joint seat for secondary sealing.

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