CN202048270U - Structure for fixing waterway of faucet body set of widespread faucet - Google Patents

Abstract

The utility model discloses a waterway fixing structure for a faucet body group, in particular to a fixing structure between the faucet body group and a water supply pipeline in a separate water faucet, including a flange, a metal sleeve, a valve core, a plastic valve seat, The water inlet pin, the water outlet pin and the cut-off piece are organically matched between the metal sleeve and the cut-off piece to fix the radial and axial displacement of the cut-off piece, and then fix the cut-off piece. Live water pipes. It has the following characteristics: First, the bolt parts in the prior art are omitted, which makes the product structure simple and can ensure the effect of pipeline connection; second, it simplifies the locking operation of the cut-off piece and the faucet body group, making the product easy to assemble The third is that there is no need to consider the fitting space of the bolts, so that the volume of the faucet body group is further reduced to achieve the miniaturization of the product.

Description

The waterway fixing structure of the faucet body group in the separate faucet

technical field

The utility model relates to a matching structure between a faucet body group and a water supply pipeline, in particular to a fixing structure between the faucet body group and the water supply pipeline of a separate type water faucet.

Background technique

As in US2010/0170577A1, the faucet body group in the separate faucet includes a control valve made of plastic material, the control valve is respectively connected to the water supply pipe and the water outlet pipe, and the control valve is connected to a handle that can adjust the water volume ; In order to strengthen the strength of the plastic control valve, a metal sleeve is placed on its outer periphery. The above-mentioned control valve is respectively provided with a joint hole corresponding to the water inlet pipe and the water outlet pipe, and the joint hole is extended from the inside to pass through the control valve; and the water inlet pipe and the water outlet pipe are respectively provided with a joint corresponding to the control valve, The joint corresponding to the joint hole of the control valve has a joint section with a circular or non-circular section, and the joint section is sleeved with more than one seal, and one end of the joint adjacent to the pipe body has a stop In addition, there is a metal cut-off sheet with a notch only for the passage of the inlet and outlet pipes, the cut-off sheet is adjacent to the cut-off surface of the joint, and the control valve is on the side that passes through the joint hole A screw hole is provided for locking the cut-off piece with a bolt. Therefore, the fixed structure between the faucet body group and the water supply pipeline in the separate water faucet is realized.

However, in the fixing structure of the waterway of the faucet body group, not only the cut-off piece but also the bolts are required, so the components are relatively complicated; in addition, because the bolts are required for locking, the faucet body group must reserve a space for the bolts to fit, and the As a result, the volume of the faucet body group is larger, thereby increasing the volume of the entire faucet.

Utility model content

The purpose of the utility model is to provide a waterway fixing structure of the faucet body group in the separated faucet which has small manufacturing volume, simple structure, convenient assembly and can ensure the effect of pipeline combination.

For achieving the above object, the solution of the present utility model is:

A waterway fixing structure for a faucet body group in a separate faucet, including a valve seat made of plastic material, a valve core is placed inside the valve seat, a metal sleeve is placed on the outer periphery of the valve seat, and the bottom of the valve seat corresponds to the inlet. The water pipe and the water outlet pipe respectively have a joint hole, and the joint hole extends through the valve seat from the inside; and the water inlet pipe and the water outlet pipe respectively have a joint corresponding to the valve seat, and the joint corresponds to the valve seat. The joint hole of the valve seat has a joint section, and the joint section is sleeved with more than one sealing member to keep the joint section and the joint hole sealed, and the end of the joint adjacent to the pipe body has a cut-off surface ; Wherein: it also includes a cut-off piece abutting against and clamping the cut-off surface, on which there is a gap for the passage of the water inlet and outlet pipes; the bottom of the metal sleeve forms a support step for installing the cut-off piece The top of the metal sleeve is locked together with the plastic valve seat through a flange, so that the radial displacement of the cut-off piece is limited by the inner diameter of the metal sleeve, and the axial displacement is limited by the supporting step surface, Therefore, the fixed structure between the faucet body group and the water supply pipeline in the separate water faucet is realized.

The valve core and the valve seat can also be integrated, and the upper part of the valve core is connected with a handle that can adjust the water volume;

The metal sleeve is a cylinder with threads on its outer peripheral surface.

The stop piece is made of metal material, and its outer diameter is slightly smaller than the inner diameter of the metal sleeve and larger than the inner diameter of the supporting step.

There are one or more notches on the cut-off piece, and the inlet and outlet pins can be locked simultaneously or separately when snapped in.

A waterway fixing structure for a faucet body group in a separate faucet, including a valve seat made of plastic material, a valve core is placed inside the valve seat, a metal sleeve is placed on the outer periphery of the valve seat, and the bottom of the valve seat corresponds to the inlet The water pipe and the water outlet pipe respectively have a joint hole, and the joint hole extends through the valve seat from the inside; and the water inlet pipe and the water outlet pipe respectively have a joint corresponding to the valve seat, and the joint corresponds to the valve seat. The joint hole of the valve seat has a joint section, and the joint section is sleeved with more than one sealing member to keep the joint section and the joint hole sealed, and the end of the joint adjacent to the pipe body has a cut-off surface ; Wherein: it also includes a cut-off piece that abuts against and clamps the cut-off surface, on which there is a cut-off piece that only allows the passage of the inlet and outlet pipes; the middle and lower part of the valve seat has a neck, and the adjacent Then the bottom of the valve seat of the constriction is formed with straight flanges expanding outward on both sides of the constriction, the width between the two flanges is smaller than the outer diameter of the valve seat, and at least one Inwardly bent hook, the hook is buckled on the flange, and the cut-off piece is installed in the metal sleeve, and then the top of the metal sleeve is locked with the plastic valve seat through a flange Together, the radial displacement of the cut-off piece is limited by the inner diameter of the metal sleeve, and the axial displacement is limited by the inwardly bent hook that is buckled on the flange, thereby realizing a split-type faucet. The fixed structure between the faucet body group and the water supply pipe.

The valve core and the valve seat can also be integrated, and the upper part of the valve core is connected with a handle that can adjust the water volume;

The metal sleeve is a cylinder with threads on its outer peripheral surface.

The cut-off piece is made of metal material, and its outer diameter is slightly smaller than the inner diameter of the metal sleeve.

There is only one notch on the cut-off piece, which can block the inlet and outlet pipe pins at the same time when radially inserted.

After adopting the above scheme, the utility model fixes the radial and axial displacement of the cut-off piece through the organic cooperation between the metal sleeve and the cut-off piece, and then fixes the water inlet and outlet pipes stuck by the cut-off piece, thereby The function of locking the water inlet and outlet pins with the plastic valve seat is realized. First, the bolt parts in the prior art are omitted, which makes the product structure simple and can ensure the effect of pipeline connection; second, the cut-off valve is simplified. The locking operation of the piece and the faucet body group makes the assembly of the product simple and easy; the third is that there is no need to consider the matching space of the bolts, which further reduces the volume of the faucet body group and achieves the miniaturization of the product.

Description of drawings

Figure 1 is a three-dimensional exploded view of the entire faucet used in the utility model;

Fig. 2A is a three-dimensional exploded view of the waterway fixing structure of the faucet body group of the utility model [cut-off piece 6 (with hook), metal sleeve 2 (without supporting steps)];

Figure 2B is a three-dimensional exploded view of the waterway fixing structure of the faucet body group of the utility model [cut-off piece 6' (compared with 6 without hook) or 6" (compared with 6 without hook and slotted on both sides), metal sleeve 2' (with support steps at the bottom compared to 2)];

Fig. 3A is a combined action diagram of the waterway fixing structure of the faucet body group of the utility model [cut-off piece 6 (with hook), metal sleeve 2 (without supporting steps)];

Fig. 3B is a combined action diagram of the waterway fixing structure of the faucet body group of the utility model [cut-off piece 6' (compared with 6 without hook) or 6" (compared with 6 without hook and slotted on both sides), metal sleeve 2' (with support steps at the bottom compared to 2)];

Figure 4A is a combined state diagram of the waterway fixing structure of the faucet body group of the utility model [cut-off piece 6 (with hook), metal sleeve 2 (without supporting steps)];

Figure 4B is a combined state diagram of the waterway fixing structure of the faucet body group of the utility model [cut-off piece 6" (compared with 6 without hooks and slots on both sides), metal sleeve 2' (compared with 2, there is a supporting step at the bottom) ];

Fig. 5 is an exploded schematic view of the faucet body group and the body shell of the utility model;

Fig. 6 is a schematic diagram of the combination of the faucet body group and the body shell of the utility model;

Fig. 7 is a combined sectional view of the faucet of the present invention.

Detailed ways

As shown in Fig. 1, 2A, 2B, 3A, 3B, 4A, 4B, 5 to Fig. 7, the utility model discloses a split-type faucet faucet body group waterway fixing structure, the faucet body group waterway fixing structure mainly includes Valve core 3, plastic valve seat 1, metal sleeve 2, water inlet pin 4, water outlet pin 5, cut-off piece 6 and flange 7, as shown in Fig. In the valve seat 1, a flow-adjustable handle (not shown) is connected to the upper part of the valve core 3. In a specific embodiment, the valve core 3 and the plastic valve seat 1 can be integrated. The fixing of the spool here is not the focus of this case, and will not be described in detail here.

The plastic valve seat 1 is a cylinder made of plastic, and its upper end is formed with a threaded joint 11 and a flange positioning step 8. The flange 7 is stuck on the flange positioning step 8, and then screwed on the metal sleeve. 2 on the thread 22 of the outer circumference, thereby locking the plastic valve seat 1, the flange 7 and the metal sleeve 2 together; the bottom of the plastic valve seat 1 corresponds to the water inlet pin 4 and the water outlet pin 5 respectively There is an engaging hole 12, which can be all circular, or can be composed of a circular portion and a non-circular portion (such as a regular hexagon), and the engaging hole extends through the plastic valve from the inside seat, and when the joint hole contains a non-circular part (such as a regular hexagon), the position of the non-circular part should be located at one end passing through the plastic valve seat.

The metal sleeve 2 is a cylinder with threads 22 on the outer circumference, and the inner diameter of the metal sleeve is slightly larger than the external dimension of the cut-off piece 6 .

The water inlet pin 4 is a metal rod or a hard rod, its lower end is connected to the water inlet pipe, and its upper end has a joint 42 corresponding to the valve seat 1, and the joint 42 has a joint corresponding to the joint hole 12 of the valve seat 1. Segment 421, the cross section of the joint section is circular, and the cross section of the joint section can also be composed of a circular part and a non-circular part (such as a regular hexagon), and the outer edge of the joint section 421 whose cross section is a circular part At least one annular groove is formed on the top to cover the sealing member 422, so as to keep the seal between the joint section 421 and the circular part of the joint hole 12. Here, two annular grooves are provided to cooperate with the two sealing members respectively. 422 to achieve a better sealing fit, and the joint 42 is provided with a cutoff surface 423 adjacent to the end of the water inlet pipe shaft 41 .

Similarly, the water outlet pin 5 is a metal rod or a hard rod, the lower end of which is connected to the water outlet pipe, and the upper end has a joint 52 corresponding to the valve seat 1, and the joint 52 has an engaging hole 12 corresponding to the valve seat 1. Segment 521, the cross section of the joint section is circular, the cross section of the joint section can also be composed of a circular part and a non-circular part (such as a regular hexagon), and the outer edge of the joint section 521 whose cross section is a circular part At least one annular groove is formed on the upper surface for the sleeve of the seal 522, so that the joint section 521 and the circular part of the joint hole 12 are kept sealed. Here, two annular grooves are provided to cooperate with the two seals respectively. 522 to achieve a better sealing fit, and the joint 52 is provided with a cut-off surface 523 adjacent to one end of the outlet pipe shaft 51 . In addition, another annular groove 424 can be added at the end of the cut-off surface 423 of the water inlet joint 42 adjacent to the water inlet pipe shaft 41 to limit the cut-off piece 6 described below, and vice versa can also be arranged on the water outlet joint 52, or All do not add this annular groove.

As shown in Figure 2A, 3A, 4A when there is a hook on the cut-off piece or shown in Figure 2B, 3B, 4B when there is no hook on the cut-off piece, the key points of the utility model are the plastic valve seat 1 and the water inlet pin 4, the water outlet pipe The pin 5 connection is fixed. They are described as follows:

As shown in Figures 2A, 3A, and 4A when there is a hook on the cut-off piece, the outer contour of the middle and lower end of the plastic valve seat 1 forms a constricted portion 13, and a constricted portion 13 is formed at the bottom of the plastic valve seat 1. The flanges 14 on both sides of the portion 13 are formed as straight sides, and the width between the two flanges 14 is smaller than the outer diameter of the plastic valve seat 1 . As shown in Figures 2A and 4A, the cut-off piece 6 is adjacent to and stuck on the cut-off surfaces 423 and 523, and there are holes on it as shown in Figures 2A and 3A for the passage of the water inlet and outlet pipes 4 and 5. Notch 61; at least one inwardly bent hook 62 extends upwards on both sides of the stop piece 6 opposite to the opening, the hook 62 is radially inserted and buckled on the above-mentioned flange 14, and the hook width of the hook 62 is greater than or equal to The thickness of the above-mentioned flange 14; as shown in Figure 4A, then the metal sleeve 2 is inserted from bottom to top, and the matching flange 7 is locked with the plastic valve seat 1. The metal sleeve in this embodiment Can be the metal sleeve 2 that is not provided with the support step 21 for installing the cut-off piece 6 at the bottom as shown in Figure 2A, or it can be provided with the support step 21 for installing the cut-off piece 6 as shown in Figure 2B 'The Metal Sleeve 2'.

As shown in Figures 2B, 3B, and 4B when there is no hook on the cut-off piece, the outer contour of the middle and lower end of the plastic valve seat 1 does not need to form a constricted portion 13 and a flange expanding outward on both sides of the constricted portion 13 14. As shown in Figures 2B and 4B, the cut-off piece 6' or 6" abuts against and is stuck on the cut-off surfaces 423 and 523, on which only the water inlet and outlet pipes 4 and 5 pass through as shown in Figure 2B, The gaps 61', 61" and 62" shown in 3B; as shown in Figure 4B, the metal sleeve 2' is inserted from bottom to top, and the matching flange 7 is locked with the plastic valve seat 1, The metal sleeve in this embodiment is as shown in Figure 2B, 3B, 4B and is provided with the metal sleeve 2 ' of the supporting step 21 ' that described cut-off piece 6 ' or 6 " is installed.

The key of the utility model is: use the metal sleeve 2' with the support step 21' at the bottom to simultaneously limit the axial and radial displacement of the cut-off piece 6, and then fix the water inlet pipe 4 and the water outlet pipe 5 stuck by the cut-off piece 6 In this case, the cut-off piece can be 6 (with hooks) or 6' (without hooks compared with 6) or 6" (with no hooks compared with 6) as shown in Figures 2A to 4B grooves on both sides), preferably the cut-off piece 6 (at this time, the bottom of the plastic valve seat 1 is formed with flanges 14 expanding outward on both sides of the constricted portion 13).

Or use the metal sleeve 2 without supporting step 21 at the bottom to limit the radial displacement of the cut-off piece 6, while the axial displacement of the cut-off piece is inserted and buckled by the said expansion on both sides of the constricted portion 13 hook 62 on the flange 14 to limit.

In summary, the utility model fixes the radial and axial displacement of the cut-off piece through the organic cooperation between the metal sleeve 2 and the cut-off piece 6, and then fixes the water inlet pipe 4 stuck by the cut-off piece 6 and the water outlet pipe 5, thus realizing the function of locking the water inlet pin 4 and the water outlet pin 5 with the plastic valve seat 1, one is to save the bolt parts in the prior art, so that the product structure is simple; the other is to simplify the The locking operation of the cut-off piece 6 and the plastic valve seat 1 makes the assembly of the product simple and easy; the third is that there is no need to consider the matching space of the bolts, so that the volume of the plastic valve seat 1 is further reduced to achieve miniaturization of the product.

Claims (10)

1. A waterway fixing structure for the faucet body group in a separate faucet, including a valve seat made of plastic material, a valve core is placed inside the valve seat, a metal sleeve is placed on the outer periphery of the valve seat, and the bottom of the valve seat Corresponding to the water inlet pipe and the water outlet pipe, there is a joint hole respectively, and the joint hole extends from the inside to pass through the valve seat; and the water inlet pipe and the water outlet pipe respectively have a joint corresponding to the valve seat, and the joint There is an engaging section corresponding to the engaging hole of the valve seat, and the engaging section is covered with more than one sealing member for sealing between the engaging section and the engaging hole, and the end of the joint adjacent to the pipe body has a cut-off surface; It is characterized in that: it also includes a cut-off piece abutting against and clamping the cut-off surface, on which there is a gap for the passage of the water inlet and outlet pipes; the bottom of the metal sleeve forms a support for installing the cut-off piece step; then lock the top of the metal sleeve with the plastic valve seat through a flange, that is, the radial displacement of the cut-off piece is limited by the inner diameter of the metal sleeve, and the axial displacement is limited by the supporting step Surface restrictions. 2. The waterway fixing structure of the faucet body group in the separate faucet according to claim 1, characterized in that: the valve core and the valve seat can be integrated. 3 . The waterway fixing structure of the faucet body group in the separate faucet according to claim 1 , wherein the metal sleeve is cylindrical and has threads on its outer peripheral surface. 4 . 4. The waterway fixing structure of the faucet body group in the separate faucet according to claim 1, characterized in that: the cut-off piece is made of metal material, its outer diameter is slightly smaller than the metal sleeve and its inner diameter is larger than the supporting step inner diameter. 5. The waterway fixing structure of the faucet body group in the separate faucet as claimed in claim 1, characterized in that: there are one or more notches on the cut-off piece, and the inlet and outlet pipes can be blocked simultaneously or separately when snapping in. foot. 6. A waterway fixing structure for the faucet body group in a separate faucet, including a valve seat made of plastic material, a valve core is placed inside the valve seat, a metal sleeve is placed on the outer periphery of the valve seat, and the bottom of the valve seat Corresponding to the water inlet pipe and the water outlet pipe, there is a joint hole respectively, and the joint hole extends from the inside to pass through the valve seat; and the water inlet pipe and the water outlet pipe respectively have a joint corresponding to the valve seat, and the joint There is an engaging section corresponding to the engaging hole of the valve seat, and the engaging section is sheathed with more than one sealing member to keep the seal between the engaging section and the engaging hole, and one end of the joint adjacent to the pipe body has a stop surface; it is characterized in that: it also includes a cut-off piece abutting against and clamping the cut-off surface, on which there is a cut-off piece only for the passage of the inlet and outlet pipes; the middle and lower part of the valve seat has a neck, The bottom of the valve seat adjacent to the constriction is formed with straight flanges expanding outward on both sides of the constriction, the width between the two flanges is smaller than the outer diameter of the valve seat, and the two sides of the cut-off piece that are opposite to the opening extend upward There is at least one inwardly bent hook, the hook is buckled on the flange, and the cut-off piece is installed in the metal sleeve, and then the top of the metal sleeve passes through a flange and the plastic valve The seats are locked together, so that the radial displacement of the cut-off piece is limited by the inner diameter of the metal sleeve, and the axial displacement is limited by the inwardly bent hook buckled on the flange. 7. The waterway fixing structure of the faucet body group in the separate faucet according to claim 6, wherein the valve core and the valve seat can be integrated. 8 . The waterway fixing structure of the faucet body group in the separate faucet according to claim 6 , wherein the metal sleeve is cylindrical and has threads on its outer peripheral surface. 9 . 9. The water channel fixing structure of the faucet body group in the separate faucet according to claim 6, wherein the cut-off piece is made of metal material, and its outer diameter is slightly smaller than the inner diameter of the metal sleeve. 10. The water channel fixing structure of the faucet body group in the separate faucet according to claim 6, characterized in that there is only one notch on the cut-off piece, which can simultaneously block the inlet and outlet pins when radially inserted.

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