TWM542102U - Non-return structure of water control valve seat - Google Patents

Description

Inverse structure of water control valve seat

This creation is related to a water control valve seat, and in particular to a reverse structure of a water control valve seat.

The water control valve is one of the indispensable components in the faucet structure, and is commonly used in hot and cold mixed faucets. Among them, in order to avoid the water returning into the water control valve leading to poor water quality, a special anti-reverse structure is generally added to the water control valve, such as the inverse structure of the water control valve seat disclosed by TW509300.

The check valve in the above patent has a circular inlet at one end and a water outlet that is gradually inclined forward from the two side bodies at the other end. When the water enters from the water inlet, the two side edges are opened. When the water is intended to flow back, the two sides are sealed to achieve a back-stop effect. However, since the countercurrent water still has a certain water pressure, when the water pressure of the countercurrent water is greater than the pressure that the two sides of the water outlet can withstand, the two side bodies will be deformed to cause the water outlet to open, thereby losing the back pressure. Features.

Therefore, it is necessary to provide a novel and progressive anti-reverse structure of the water control valve seat to solve the above problems.

The main purpose of the present invention is to provide a control structure of the water control valve seat, which can provide a better supporting force for the non-return member to resist the water pressure to be reversely flowed out, and a better tightness to block water leakage. In addition, it has an excellent effect of preventing water from flowing backwards.

In order to achieve the above object, the present invention provides a check structure of a water control valve seat, which comprises a valve body, at least one body and at least one check member. The valve body is provided with a first surface and a second surface. The valve body is provided with at least one water inlet hole and one water outlet hole. The first surface is provided with at least one ring protrusion extending away from the second surface. Each of the ring tenons defines an inner space, and the inner space communicates with the water inlet hole. The at least one body is respectively disposed in the inner space of the at least one ring, each of the seats includes a first channel of a large diameter, a second channel of a small diameter, and a first joint, the first channel is connected to the a second channel is disposed between the water inlet hole and the second channel, and a step portion is formed between the first and second channels; the at least one check member is respectively located in the at least one body, and each of the stops The reverse member includes a flexible stop portion and a second joint portion. The second joint portion and the first joint portion are coupled to each other, and the stop portion is received in the first passage and is selectively Blocking the first passage to communicate with the second passage, the stop portion is provided with a base portion and a side portion, the side portion is obliquely connected to the base portion to face the first surface, the base portion shields the second portion aisle. Wherein, when the water flow flows from the first surface to the second surface, the blocking portion is deformed by the water flow to form a gap with the wall portion of the first passage, and the first and second passages are connected to each other; When the water flow flows from the second surface to the first surface, the blocking portion is deformed by the impact of the water flow, the base portion abuts against the step portion and the side portion abuts against the wall portion of the first passage portion, thereby blocking the The first passage is connected to the second passage.

The structural features of the present invention and the intended effects thereof will be described by way of example only, but are not intended to limit the scope of the present invention.

Referring to FIG. 1 to FIG. 10, an embodiment of the present invention is shown. The inverse structure of the water control valve seat of the present invention comprises a valve body 1, at least one body 2 and at least one check member 4. .

The valve body 1 is provided with a first surface 11 and a second surface 12, and the valve body 1 is provided with at least one water inlet hole 13 and a water outlet hole 14. The first surface 11 is provided with at least one facing away from the first surface 11 The ring protrusions 15 extending from the two sides 12 define an inner space 16 , and the inner space 16 communicates with the water inlet hole 13 . Preferably, each of the ring tenons 15 is provided with a plurality of reinforcing ribs to strengthen the structure.

The at least one body 2 is respectively disposed in the inner space 16 of the at least one ring tongue 15 , and each of the seat body 2 includes a first channel 21 having a large diameter, a second channel 22 having a small diameter, and a first joint portion 3 . The first passage 21 communicates with the second passage 22 and is interposed between the water inlet hole 13 and the second passage 22, and a step portion 23 is formed between the first and second passages 21, 22. More specifically, each of the internal spaces 16 is divided into a first chamber 161 and a second chamber 162. The first passage 21 is located in the first chamber 161, and the second passage 22 is located in the second chamber 162. The radial dimension of the second chamber 162 is greater than the radial dimension of the first chamber 161. More specifically, the second chambers 162 of the at least one ring-shaped projection 15 are in communication with each other such that a waterproof member 7 can be continuously embedded in the at least one second chamber 162 and sleeved with the at least one second passage. twenty two.

In this embodiment, the at least one water inlet hole 13, the at least one ring tenon 15 and the at least one body 2 are two in number, one water inlet hole 13 for passing cold water, and the other water inlet hole 13 for heating The water passes through, and the water outlet hole 14 passes through the warm water after the cold and hot water are mixed. Specifically, the waterproof member 7 has an "8" shape, and the waterproof member 7 is further provided with a groove 71 on a side facing away from the first surface 11.

The at least one check member 4 is respectively disposed on the at least one body 2, and each of the check members 4 includes a flexible stop portion 41 and a second joint portion 5. The slidable portion 41 can be deformed with an external force, and can return to the original shape when the external force disappears, and the second joint portion 5 is used for binding the first joint portion 3 to each other. In the present embodiment, the stopping portion 41 is received in the first passage 21 and selectively blocks the first passage 21 from communicating with the second passage 22. More specifically, the blocking portion 41 is provided with a a base portion 42 and a side portion 44 that is obliquely coupled to the base portion 42 (the side portion 44 is coupled to the outer periphery of the base portion 42 in this embodiment); more specifically, to face the first surface 11 Observing, the base 42 shields the second passage 22.

In this way, when the water flow flows from the first surface 11 to the second surface 12 (below), the stopper portion 41 is inwardly bent and deformed (general ")" by the impact of the water flow, and further A gap is formed between the wall portions of the first passage 21, and the first and second passages 21, 22 communicate with each other, and the water flow can smoothly pass through the water inlet hole 13. When the water flow flows from the second surface 12 to the first surface 11 (countercurrent), when the stopper portion 41 is deformed by the water flow, the base portion 42 abuts against the step portion 23 and the side portion 44 abuts against the first portion The wall portion of a passage 21 further blocks the first passage 21 from communicating with the second passage 22. Wherein, the step portion 23 can uniformly provide a positive supporting force to the base portion 42 such that the base portion 42 can effectively resist the water pressure of the countercurrent water flow; and, since the side portion 44 is obliquely disposed toward the base portion 42, when When impacted by the countercurrent water pressure, the side portion 44 closely adheres to the wall portion of the first passage 21, and the countercurrent flow can be effectively prevented from laterally impacting the base portion 42 to separate the base portion 42 from the step portion 23. The situation happened.

It can be seen from the above that the base portion 42 and the step portion 23 form a first water blocking mechanism, and the side portion 44 and the wall portion of the first passage 21 form a second water blocking mechanism to form a multiple water blocking prevention mechanism. Inverse mechanism. For example, it is inevitable that there will be fine debris (such as sand) in the water, and the side portion 44 can effectively block if the debris just happens to cause a gap between the step 32 and the base 42. The flow of the countercurrent flow passes, in other words, the side portion 44 can further improve the reliability of the check.

More specifically, the side portion 44 is provided with a first end portion 45 and a second end portion 46. The first end portion 45 is coupled to the base portion 42. The second end portion 46 can selectively abut the first portion The wall portion of the channel 21 has a thickness that is tapered from the first end portion 45 toward the second end portion 46. The thinner second end portion 46 can be deformed more flexibly and rapidly with an external force, and can more reliably adhere to the wall portion of the first passage 21, and has an excellent anti-reverse effect. More specifically, the side portion 44 is further provided with an outer side wall 47 and an inner side wall 48. The outer side wall 47 is closer to the wall portion of the first passage 21 than the inner side wall 48 to vertically face the first surface 11 and the first portion. The extension line of the outer side wall 47 and the extension line of the inner side wall 48 intersect each other to form an angle θ, and the angle of the angle θ is preferably between 5 degrees and 15 degrees. And can have a better deformation effect.

Next, the manner in which the check member 4 is limited to the base body 2 is described in detail. The first joint portion 3 is provided with a limiting hole 33, and the second joint portion 5 is limited to be embedded by the method. a limiting hole 33; in more detail, defining a direction in which the first surface 11 and the second surface 12 are connected in a first direction, each of the second bonding portions 5 includes a head 52 and a connecting base The neck portion 51 of the 42 is inserted into the limiting hole 33. The head portion 52 is connected to the neck portion 51 and abuts against the wall portion surrounding the limiting hole 33 in the first direction. In the embodiment, the first joint portion 3 includes a plurality of ribs 31 and a ring rib 32. The ring ribs 32 define the limiting holes 33. The ribs 31 are radially arranged at intervals to form a plurality of hollow portions. Can be passed by the hollow. In order to have a better degree of assembly, the head 52 and the second channel 22 preferably do not protrude from the ring tenon 15 in the first direction.

It is to be noted that, in an auxiliary section 53 , the head 52 is extended along the first direction. During the assembly of the check component 4 to the base 2 , the auxiliary section 53 is disposed. After the limiting hole 33 is passed, the external portion is biased to drive the head 52 and the neck portion 51 to be embedded in the first joint portion 3. After the assembly is completed, the auxiliary segment 53 is removed from the head portion 52. . It can be seen from the above that the head 52 is inserted into the limiting hole 33 and then the wall portion of the limiting hole 33 is engaged with each other. Therefore, it is preferable that the head 52 is away from the wall at an angle of 60 degrees. The direction of the base portion 42 is tapered to facilitate the smooth insertion of the limiting hole 33. Similarly, each of the non-returning members 4 preferably has flexibility. In the present embodiment, each of the non-returning members 4 is made of a rubber material and has a hardness of between 40 and 80 degrees.

In addition, in order to further improve the stability of the deformation of the blocking portion 41, the anti-reverse structure of the water control valve seat preferably further includes an abutting mechanism 6, the abutting mechanism 6 is provided with a transverse rib 61 and an abutting member. 62. The transverse rib 61 is positioned across the water inlet hole 13. The abutting member 62 is disposed on the lateral rib 61 and extends away from the second surface 12 to the inner space 16, and the abutting member 62 abuts against the side of the second joint portion 5 facing away from the stopper portion 41. In this embodiment, each of the blocking portions 41 is further provided with an abutting portion 43 abutting against the abutting member 62. The abutting portion 43 and the second joint portion 5 are respectively disposed on the opposite side of the base portion 42. Side and coaxial configuration.

In summary, the anti-reverse structure of the water control valve seat of the present invention can effectively achieve the purpose of anti-reverse by the way that the flexible stop portion follows the deformation direction with different water flow directions. Moreover, the step can directly provide a positive force to the base to improve the resistance of the base against the countercurrent water pressure. In addition, the laterally inclined base is designed to prevent countercurrent flow from impacting the base laterally to further improve the reliability of the check.

1‧‧‧ valve body

11‧‧‧ first side

12‧‧‧ second side

13‧‧‧ water inlet

14‧‧‧Water outlet

15‧‧‧ ring crown

16‧‧‧Internal space

161‧‧‧First room

162‧‧‧Second room

2‧‧‧ body

21‧‧‧First Passage

22‧‧‧second channel

23‧‧‧

3‧‧‧ First Joint Department

31‧‧‧ Ribs

32‧‧‧ ribs

41‧‧‧stops

42‧‧‧ base

43‧‧‧Abutment

44‧‧‧ side

45‧‧‧First end

46‧‧‧second end

47‧‧‧Outer side wall

48‧‧‧ inner side wall

5‧‧‧Second junction

51‧‧‧ neck

52‧‧‧ head

53‧‧‧Auxiliary section

6‧‧‧The topping mechanism

61‧‧‧ transverse ribs

62‧‧‧After the top piece

7‧‧‧Waterproof parts

33‧‧‧Limited holes

4‧‧‧Reversal parts

71‧‧‧ trench

Θ‧‧‧ angle

1 is a perspective view of an embodiment of the present invention. Figure 2 is an exploded view of Figure 1. Figure 3 is a perspective view of the valve body. Figure 4 is a cross-sectional view of Figure 1. 5 to FIG. 7 is a step diagram of the reverse member provided on the seat body. Figure 8 is a cross-sectional view of the creation of the water control valve seat. Figure 9 is a schematic view of the creation of water flow into the water control valve seat. Fig. 10 is a schematic view showing the reverse of the reverse of the creation.

1‧‧‧ valve body

11‧‧‧ first side

14‧‧‧Water outlet

15‧‧‧ ring crown

3‧‧‧ First Joint Department

31‧‧‧ Ribs

7‧‧‧Waterproof parts

71‧‧‧ trench

Claims (10)

The anti-reverse structure of the water control valve seat comprises: a valve body having a first surface and a second surface; at least one water inlet hole and one water outlet hole are disposed, and at least one of the first surface is provided a ring-shaped ridge extending away from the second surface, each of the ring-shaped ridges defining an inner space, the inner space communicating with the water inlet hole; at least one body respectively received in the inner space of the at least one ring-shaped ridge Each of the seats includes a first passage of a large diameter, a second passage of a small diameter, and a first joint, the first passage communicating with the second passage and being interposed between the water inlet and the second passage Between the first and second passages, a step portion is formed; at least one check member is respectively disposed on the at least one body, and each of the check members includes a flexible stop portion and a second portion The second joint portion and the first joint portion are coupled to each other, and the stop portion is received in the first passage and selectively blocks the first passage from communicating with the second passage. The portion is provided with a base portion and a side portion, the side portion is obliquely connected to the base portion to face the first surface The base portion shields the second passage; wherein when the water flow flows from the first surface to the second surface, the blocking portion is deformed by the water flow to generate a gap between the wall portion of the first passage and the first passage The first and second passages are in communication with each other; when the water flow flows from the second surface to the first surface, the blocking portion is deformed by the impact of the water flow, the base portion abuts against the step portion and the side portion abuts against the first portion a wall portion of the passage, thereby blocking the first passage from communicating with the second passage. The anti-reverse structure of the water control valve seat according to claim 1, wherein the side portion is provided with a first end portion and a second end portion, the first end portion is connected to the base portion, and the second end portion is selectively The ground portion abuts against the wall portion of the first passage, and the thickness of the side portion is gradually thinned from the first end portion toward the second end portion. The anti-reverse structure of the water control valve seat according to claim 2, wherein the side portion is further provided with an outer side wall and an inner side wall, the outer side wall being closer to the wall portion of the first passage than the inner side wall to vertically one side And the connection direction of the second surface, the extension line of the outer sidewall and the extension line of the inner sidewall intersect each other and form an angle, the angle of the angle is between 5 degrees and 15 degrees. The anti-reverse structure of the water control valve seat according to claim 1, wherein the first joint portion is provided with a limiting hole, and the second joint portion is limited to the limiting hole. The inverse structure of the water control valve seat according to claim 4, wherein the connection direction of the first surface and the second surface is defined as a first direction, and each of the second joint portions includes a head and a The neck portion is connected to the base portion, and the neck portion is inserted into the limiting hole, and the head portion connects the neck portion and abuts against the wall portion surrounding the limiting hole in the first direction. The anti-reverse structure of the water control valve seat according to claim 5, wherein an auxiliary section is disposed in the first direction and extends in the first direction, and the auxiliary component is assembled in the base body, the auxiliary After the segment is inserted through the limiting hole, the external force is applied to drive the head and the neck to be embedded in the first joint portion, and the auxiliary segment is removed from the head after the assembly is completed. The anti-reverse structure of the water control valve seat according to claim 1, further comprising an abutting mechanism, wherein the abutting mechanism is provided with a transverse rib and an abutting member, the transverse rib is positioned across the water inlet hole, The abutting member is disposed on the lateral rib and extends away from the second surface to the inner space, and the abutting member abuts against the side of the second joint portion. The anti-reverse structure of the water control valve seat according to claim 7, wherein each of the blocking portions is further provided with an abutting portion abutting against the abutting member, wherein the abutting portion and the second joint portion are respectively disposed on The base is disposed on opposite sides and coaxially. The anti-reverse structure of the water control valve seat according to any one of claims 1 to 8, wherein each of the internal spaces is divided into a first chamber and a second chamber, the first passage being located in the first chamber. The second passage is located in the second chamber, and the second chamber has a radial dimension greater than a radial dimension of the first chamber; The second chambers of the at least one ring are connected to each other, and a waterproof member is continuously embedded in the at least one second chamber and sleeves the at least one second passage. The anti-reverse structure of the water control valve seat according to claim 6, wherein the at least one water inlet hole, the at least one ring protrusion and the at least one body are two in number; each of the non-return members has flexibility; Each of the non-return members is made of a rubber material having a hardness of between 40 and 80 degrees; the head is tapered at a 60 degree angle away from the base; the first joint The plurality of ribs and a ring rib are defined, the ring rib defines the limiting hole, and the ribs are arranged at equal intervals to form a plurality of hollow portions; each of the ring ridges is provided with a plurality of reinforcing ribs; the head, the second The channel does not protrude from the ring crown in the first direction; the side portion is provided with a first end portion and a second end portion, the first end portion is connected to the base portion, and the second end portion is selectively resistable The thickness of the side portion is gradually thinned from the first end portion toward the second end portion; the side portion is further provided with an outer side wall and an inner side wall, and the outer side wall is opposite to the inner side wall Adjacent to the wall portion of the first passage, perpendicular to the direction of the connection between the first surface and the second surface, the extension of the outer sidewall The extension line and the extension line of the inner side wall intersect with each other to form an angle, the angle of the angle is between 5 degrees and 15 degrees; the anti-reverse structure of the water control valve seat further includes an abutting mechanism, the abutting mechanism a transverse rib is disposed, and the cross rib is positioned across the water inlet hole. The abutting member is disposed on the transverse rib and extends away from the second surface to the inner space, and the ridge is further The top member abuts against the side of the second joint portion; the block portion is further provided with an abutting portion abutting the abutting member, the abutting portion and the second joint portion It is not disposed on two sides of the base and is coaxially disposed; each of the internal spaces is divided into a first chamber and a second chamber, the first passage is located in the first chamber, and the second passage is located in the second chamber The radial dimension of the second chamber is greater than the radial dimension of the first chamber; the second chambers of the at least one ring are interconnected, and a waterproof member is continuously embedded in the at least one second The chamber is sleeved with the at least one second passage; the waterproof member is further provided with a groove on a side facing away from the first surface; the waterproof It was "8" shape.