Pluggable water stop joint for cooling and heating pad

Abstract

The utility model relates to a pulling and inserting water stop connector for a cooling and heating pad, which comprises two connector main bodies used for connecting respective connecting pipes, the connecting ends of the two connector main bodies are connected through a movable clamping jaw, and each connector main body is internally provided with a mounting cavity and a water through hole. Sealing balls and compression springs for abutting the sealing balls against the end parts of the water through holes are arranged in the mounting cavities, a movable water through branch pipe is arranged in the water through hole of one of the joint main bodies, and when the two joint main bodies are connected, the two ends of the water through branch pipe abut against the two sealing balls respectively and enable the two sealing balls to be far away from the corresponding water through holes. Through cooperation of the water through branch pipe, the sealing ball body and the compression spring, when the two connector bodies are connected, the water through branch pipe can push the sealing ball body to be away from the water through hole, and normal circulation of water flow is achieved; and when the sealing ball body is pulled out, the sealing ball body automatically resets under the action of the compression spring, the water through hole is quickly blocked, leakage of cold and hot media is effectively prevented, and the use safety and reliability are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe joint technical field, especially relate to a cold and warm pad is with pull -out water stop joint. BACKGROUND

[0002] The cold and warm pad is that uses semiconductor, liquid medium or air etc., carries out heating or refrigeration to various medium through main machine, accesses the pipe in the pad inside through the detour, and the pipe is connected with the mattress, and carries out cold and hot exchange with the human body, thereby reaches the effect of heating refrigeration. The cold and warm pad has gradually replaced the electric heater, the electric heating blanket, the fan etc. refrigeration heating device as people's shopping first choice due to its good refrigeration and heating effect.

[0003] In order to facilitate the replacement of cold and warm pad, the pipe joint between cold and warm pad and main machine is generally set as the structure of pull -out type, but because the cold and hot medium is easy to leak in the pull -out process, thus needs the pipe joint to have the water stop function. The existing pipe joint, for example: the quick pipe joint of the Chinese utility model patent for patent no. CN2451858Y discloses a kind of, just after inserting into end part into sleeve end part, water pipe can be quickly connected, and it has water stop function, after inserting into end part is pulled out from sleeve end part, sleeve end part can be self-sealing under the action of water pressure, prevent water from flowing out, but the joint needs certain water pressure in pipe, when water pressure is too small, sealing element cannot be moved in place and lead to pipe joint cannot be sealed. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of cold and warm pad is with pull -out water stop joint, to solve the problem raised in background art.

[0005] The above-mentioned purpose of the utility model is realized by the following technical scheme: a kind of cold and warm pad is with pull -out water stop joint, including two for connecting respective pipe joint main body, the joint end of two pipe joint main body is connected by movable dog, each pipe joint main body is provided with installation cavity and water hole, the installation cavity is provided with sealing ball and the compression spring of the sealing ball and the water hole end part of the water hole, the water hole of one pipe joint main body is provided with movable water branch pipe, when two pipe joint main body joint, the two ends of water branch pipe are respectively with two sealing balls and make two sealing balls all far from corresponding water hole.

[0006] As preferred, the length of the water branch pipe is greater than the sum of the length of the water hole of the two pipe joint main body.

[0007] As preferred, the two ends of the water branch pipe are respectively provided with notches, and the notches radially penetrate the inside and outside of the water branch pipe.

[0008] Preferably, the sealing ball has a diameter smaller than the inner diameter of the installation cavity and larger than the diameter of the water passage hole.

[0009] Preferably, the inner wall of the water passage hole is provided with an annular limiting groove, and the outer wall of the water passage branch pipe is provided with a stop ring arranged in the limiting groove.

[0010] Preferably, the inner wall of the water passage hole is provided with a sealing ring sleeved on the outer side of the water passage branch pipe.

[0011] Preferably, the movable clamping jaw is arranged at the end of one of the joint bodies, and the end of the other joint body is provided with a stop edge for cooperating with the movable clamping jaw.

[0012] Preferably, the movable clamping jaw is hinged to the joint body, and a return spring is arranged between the movable clamping jaw and the joint body to drive the end of the movable clamping jaw to swing towards the joint body.

[0013] The utility model discloses the beneficial effects of:

[0014] The utility model discloses the cooperation of water passage branch pipe, sealing ball and compression spring, when two joint bodies are connected, water passage branch pipe can push sealing ball away from water passage hole, realizes the normal flow of water flow, and when pulling out, sealing ball is automatically reset under the action of compression spring, and water passage hole is sealed rapidly, effectively prevents cold and hot medium leakage, improves the security and reliability of use,

[0015] The utility model discloses the pipeline connection of cold and warm pad, also can be popularized and applied to other pipeline connection scenes that need to be frequently pulled and plugged and require sealing, has good universality and practicality, can satisfy the use demand under different scenes. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic drawing when the water stop joint of the utility model embodiment is in the pulled out state.

[0017] Figure 2 It is the structure schematic drawing when the water stop joint of the utility model embodiment is in the butt joint state.

[0018] In the drawing: 1-joint body, 1a-joint female head, 1b-joint male head, 101-installation cavity, 102-water passage hole, 103-limiting groove, 104-stop edge, 2-sealing ball, 3-compression spring, 4-water passage branch pipe, 401-slot, 402-stop ring, 5-sealing ring, 6-movable clamping jaw, 7-return spring. DETAILED DESCRIPTION

[0019] The utility model will be further explained in detail below in combination with the drawings.

[0020] The embodiments are only an explanation of the utility model, and are not a limitation of the utility model, and a person skilled in the art can make a modification without creative contribution according to the need after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

[0021] Embodiment: as Figure 1 The utility model discloses a cold and warm pad plug -in water stop joint, including two for connecting respective connector main part 1, respectively connector female head 1a and connector male head 1b, wherein connector female head 1a is connected on the pipeline of host computer, and connector male head 1b is connected on the pipeline of cold and warm pad.

[0022] The end of two connector main parts 1 is connected through movable dog 6, and movable dog 6 is arranged at the end of one connector main part 1, and the end of the other connector main part 1 is provided with a stop edge 104 for cooperating with movable dog 6, and the swing end of movable dog 6 is provided with a protruding claw part, and the claw part is used for hooking the stop edge 104.

[0023] Specifically, the middle part of movable dog 6 is hinged on connector female head 1a, a reset spring 7 is arranged between movable dog 6 and connector female head 1a, one end of reset spring 7 is fixedly connected to the outer wall of connector female head 1a, the other end is fixedly connected to the end of movable dog 6 away from connector male head 1b, and reset spring 7 drives the claw part of the end of movable dog 6 to swing towards the direction of connector main part 1.

[0024] Each connector main part 1 is provided with a mounting cavity 101 and a water passage hole 102, the mounting cavity 101 is provided with a sealing ball 2 and a compression spring 3 for abutting the sealing ball 2 against the end of the water passage hole 102, wherein one end of the compression spring 3 abuts against the end of the connector main part 1 close to the connector, and the other end abuts against the sealing ball 2. The two sealing balls 2 are of the same size and material, and the two compression springs 3 are of the same specification, so that the same elastic force can be applied to the two sealing balls 2 respectively.

[0025] One of the connector main parts 1 is provided with a movable water passage branch pipe 4 in the water passage hole 102, and when the two connector main parts 1 are connected, the two ends of the water passage branch pipe 4 abut against the two sealing balls 2 respectively and make the two sealing balls 2 away from the corresponding water passage holes 102.

[0026] Specifically, the water passage branch pipe 4 is arranged in the water passage hole 102 of connector female head 1a, an annular limiting groove 103 is arranged on the inner wall of the water passage hole 102 of connector female head 1a, a stop ring 402 is arranged on the outer wall of the water passage branch pipe 4, and the stop ring 402 is arranged in the limiting groove 103, so that the water passage branch pipe 4 can move in the axial direction within a certain range relative to connector female head 1a.

[0027] The length of the water passage branch pipe 4 is greater than the sum of the lengths of the water passage holes 102 of the two joint bodies 1, which ensures that the water passage branch pipe 4 can push the two sealing balls 2 a certain distance after being connected.

[0028] The diameter of the sealing ball 2 is smaller than the inner diameter of the installation cavity 101 and greater than the hole diameter of the water passage hole 102.

[0029] A sealing ring 5 is arranged on the inner wall of the water passage hole 102, and the sealing ring 5 is sleeved on the outer side of the water passage branch pipe 4 to prevent the cold and hot medium (water) from flowing out of the joint from the inner wall of the water passage hole 102 and the outer wall of the water passage branch pipe 4.

[0030] The two ends of the water passage branch pipe 4 are respectively provided with notches 401, which radially penetrate the inner and outer sides of the water passage branch pipe 4, so that after the end of the water passage branch pipe 4 abuts against the sealing ball 2, the cold and hot medium can flow through the notches 401 on the inner and outer sides of the water passage branch pipe 4.

[0031] In the connected state, as shown in Figure 2 , the two ends of the water passage branch pipe 4 are respectively inserted into the joint female head 1a and the joint male head 1b, and the two sealing balls 2 are pushed a certain distance, so that the joint female head 1a and the joint male head 1b are connected through the water passage branch pipe 4, and at this time the medium can normally flow.

[0032] After being pulled out, as shown in Figure 1 , the sealing ball 2 in the joint female head 1a and the sealing ball 2 in the joint male head 1b are both pushed by the respective compression springs 3, and the sealing ball 2 is abutted against the end of the water passage hole 102, so as to block the water passage hole 102, at this time the joint female head 1a and the joint male head 1b are both blocked, preventing the medium from flowing out.

Claims

1. A cold and warm pad plug-in water stop joint comprising two joint bodies (1) for connecting respective connecting pipes, characterized in that, Two said joint body (1) of the end by the movable jaw (6) is connected, each said joint body (1) is provided with mounting cavity (101) and water hole (102), the mounting cavity (101) is provided with sealing ball (2) and the pressing spring (3) of the sealing ball (2) against the end of the water hole (102), one of the water hole (102) in the joint body (1) is provided with movable water branch pipe (4), when two said joint body (1) is connected, the both ends of the water branch pipe (4) are respectively with two sealing ball (2) and make two sealing ball (2) are away from the corresponding water hole (102).

2. The plug-in water stop joint for cold and warm pads according to claim 1, characterized in that: The length of the water branch pipe (4) is greater than the sum of the length of the water hole (102) of two said joint body (1).

3. The plug-in water stop joint for cold and warm pads according to claim 2, characterized in that: The both ends of the water branch pipe (4) are respectively provided with notched (401), the notched (401) is radially through the inside and outside of the water branch pipe (4).

4. The plug-in water stop joint for cold and warm pads according to claim 1, characterized in that: The ball diameter of the sealing ball (2) is less than the inner diameter of the mounting cavity (101), and is greater than the hole diameter of the water hole (102).

5. The plug-in water stop joint for cold and warm pads according to claim 1, characterized in that: One of the inner wall of the water hole (102) is provided with annular limit groove (103), the outer wall of the water branch pipe (4) is provided with stop ring (402), the stop ring (402) is arranged in the limit groove (103).

6. The plug-in water stop joint for cold and warm pads according to claim 5, characterized in that: The inner wall of the water hole (102) is provided with sealing ring (5), the sealing ring (5) is sleeved on the outside of the water branch pipe (4).

7. The plug-in water stop joint for cold and warm pads according to claim 1, characterized in that: The movable jaw (6) is arranged in one of the end of the joint body (1), the end of the other joint body (1) is provided with the stop edge (104) for matching the movable jaw (6).

8. The plug-in water stop joint for cold and warm pads according to claim 7, characterized in that: The movable jaw (6) is hinged on the joint body (1), the movable jaw (6) and joint body (1) are provided with reset spring (7), the reset spring (7) drives the end of the movable jaw (6) to swing towards the joint body (1).

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