CN215487751U - Manual blowoff valve - Google Patents

Abstract

The utility model provides a manual blowoff valve which comprises a valve body, a valve seat, a valve cover and a valve core. The valve body encloses along its length direction and establishes and form first cavity, the lateral wall of valve body has seted up respectively into water end and play water end, it is said that the end of intaking with it is said that the play water end communicates with first cavity respectively. The valve seat is accommodated in the first cavity, and a first through hole is formed in the center of the valve cover. The side wall of the valve core is in sealing butt joint with the side wall of the valve seat, and one side, far away from the water inlet end, of the valve core penetrates through the first through hole and is in sealing connection with the valve cover. One side of the valve core, which is close to the water inlet end, is surrounded to form a water containing cavity, and the side wall of the valve core, which is arranged on the water containing cavity, is provided with first water through holes at intervals. The non-pressure sleeve pressure-connection valve seat of the manual blowoff valve increases the blowoff capability, is not easy to block impurities, and has the advantages of compact structure, good sealing performance, high reliability and prolonged service life.

Description

Manual blowoff valve

Technical Field

The utility model relates to the technical field of sewage discharge equipment, in particular to a manual sewage discharge valve.

Background

The blowoff valve is generally used in a high-pressure water descaling system and is used as an unloading blowoff function valve of a high-pressure gas tank. In a descaling system, scale and sludge in a gas tank are discharged by opening a blowdown valve, so that the gas tank is protected, and the valve is an extremely important protection function valve for the high-pressure gas tank.

Although the blowoff valve of prior art has realized the sealed effect of soft or hard two valve ports structurally, still adopt structurally pressing the cover crimping disk seat form, like this when mud and impurity flow into out the water cavity from the intake antrum, need pass through disk seat inner chamber and pressing the cover intercommunicating pore, and more mud impurity can be throttled in limited pressing the cover intercommunicating pore space, can not make the timely unblocked discharge of mud impurity, lead to piling up the mud impurity destruction valve's of valve port department leakproofness when the valve is opened and close, make the quick inefficacy of valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a manual blowoff valve which comprises a valve body, a valve seat, a valve cover and a valve core, wherein the valve core is surrounded to form a water containing cavity, a first water through hole is formed in the side wall of the valve core at the position corresponding to the water containing cavity, the valve seat is in press connection without a pressure sleeve, the blowoff capacity is improved, impurities are not easy to block, the structure is compact, the sealing performance is good, the reliability is high, and the service life is prolonged.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

according to one aspect of the present invention, a manual waste valve is provided. The manual blowoff valve comprises a valve body, a valve seat, a valve cover and a valve core. The valve body encloses along its length direction and establishes and form first cavity, the lateral wall of valve body has seted up respectively into water end and play water end, it is said that the end of intaking with it is said that the play water end communicates with first cavity respectively. The valve seat is accommodated in the first cavity and is positioned between the water inlet end and the water outlet end, and the valve seat is connected with the valve body in a sealing mode. The valve cover is connected with one side, far away from the water inlet end, of the valve body in a sealing mode, and a first through hole is formed in the center of the valve cover. The side wall of the valve core is in sealing butt joint with the side wall of the valve seat, and one side, far away from the water inlet end, of the valve core penetrates through the first through hole and is in sealing connection with the valve cover. One side of the valve core, which is close to the water inlet end, is surrounded to form a water containing cavity, and the side wall of the valve core, which is arranged on the water containing cavity, is provided with first water through holes at intervals.

According to an embodiment of the utility model, the manual blowoff valve further comprises a control assembly, and the control assembly is connected with one side of the valve core, which is far away from the water inlet end, and is used for controlling the valve core to reciprocate along the length direction of the valve body.

According to an embodiment of the present invention, the control assembly includes a carrier seat and a carrier body, the carrier seat is connected to the valve body, the carrier seat is provided with a second through hole, the valve core is inserted into the second through hole, and the carrier body is sleeved on the valve core and movably connected to the carrier seat.

According to an embodiment of the present invention, the carrier head seat is provided with at least two screws circumferentially and equally spaced, and the screws are sequentially inserted into the carrier head seat and the valve body.

According to an embodiment of the present invention, the control assembly further includes a wrench, and the wrench is sleeved on the wrench head body and used for controlling the wrench head body.

According to an embodiment of the present invention, the manual blowoff valve further includes a sealing assembly, wherein a first groove is opened on the side wall of the valve seat close to the valve core, and the sealing assembly is accommodated in the first groove and is in sealing abutment with the valve core.

According to an embodiment of the utility model, the sealing assembly comprises a support ring, an O-ring and a rectangular ring, the O-ring is abutted with the valve seat, the rectangular ring is sleeved on one side of the O-ring and is abutted with the valve seat, and the support ring is arranged on one side of the rectangular ring far away from the water inlet end and is respectively abutted with the valve core and the valve seat.

According to an embodiment of the present invention, the valve core and the valve cover are enclosed to form a valve cover upper cavity, and the valve core is provided with a second water through hole communicating the valve cover upper cavity and the water containing cavity.

According to an embodiment of the present invention, the side wall of the valve core close to the valve body includes a first guide surface and a second guide surface, the first guide surface transitions to the second guide surface to form a first conical valve surface, the valve seat transitions to form a second conical valve surface at a corresponding position of the first conical valve surface, and the first conical valve surface and the second conical valve surface cooperate to form a sealing pair.

According to an embodiment of the utility model, the manual blowoff valve further comprises a gasket, a second groove is formed in one side, away from the water inlet end, of the valve cover, and the gasket is accommodated in the second groove and is connected with the valve cover and the valve core in a sealing manner.

One embodiment of the present invention has the following advantages or benefits:

the manual blowoff valve comprises a valve body, a valve seat, a valve cover and a valve core, wherein the valve core is surrounded to form a water containing cavity, the side wall of the valve core at the position corresponding to the water containing cavity is provided with a first water through hole, and the valve seat is in pressure connection without a pressure sleeve, so that the blowoff capability is improved, impurities are not easily blocked, the structure is compact, the sealing performance is good, the reliability is high, and the service life is prolonged.

Drawings

The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

FIG. 1 is a cross-sectional view of a manual waste valve shown in accordance with an exemplary embodiment.

FIG. 2 is an enlarged view of portion A of FIG. 1, shown in accordance with an exemplary embodiment.

Wherein the reference numerals are as follows:

1. a valve body; 11. a water inlet end; 12. a water outlet end; 13. a first cavity; 2. a valve seat; 21. a second tapered valve surface; 3. a valve cover; 31. a first through hole; 32. the valve cover upper cavity; 4. a valve core; 41. a water containing cavity; 42. A first water passage hole; 43. a second water through hole; 44. a first guide surface; 45. a first conical valve face; 46. a second guide surface; 5. a control component; 51. a carrier head seat; 511. a second through hole; 52. a moving head body; 53. A wrench; 54. a screw; 6. a seal assembly; 61. a support ring; 62. a rectangular ring; 63. an O-shaped ring; 7. a gasket.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

The terms "a," "an," "the," "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

Referring to fig. 1 and 2, fig. 1 is a sectional view illustrating a manual waste valve provided in the present invention. Fig. 2 shows an enlarged view of a portion a of fig. 1 provided by the present invention.

The manual blowoff valve of the embodiment of the utility model comprises a valve body 1, a valve seat 2, a valve cover 3 and a valve core 4. The valve body 1 is surrounded along the length direction to form a first cavity 13, the side wall of the valve body 1 is respectively provided with a water inlet end 11 and a water outlet end 12, and the water inlet end 11 and the water outlet end 12 are respectively communicated with the first cavity 13. The valve seat 2 is accommodated in the first cavity 13 and is positioned between the water inlet end 11 and the water outlet end 12, and the valve seat 2 is connected with the valve body 1 in a sealing mode. The valve cover 3 is connected with the valve body 1 at the side far away from the water inlet end 11 in a sealing manner, and a first through hole 31 is formed in the center of the valve cover 3. The side wall of the valve core 4 is in sealing butt joint with the side wall of the valve seat 2, and one side of the valve core 4, which is far away from the water inlet end 11, penetrates through the first through hole 31 and is in sealing connection with the valve cover 3. Wherein, the valve core 4 is surrounded on one side near the water inlet end 11 to form a water containing cavity 41, and the valve core 4 is provided with first water through holes 42 at intervals on the side wall of the water containing cavity 41.

Wherein, the water inlet end 11 of the valve body 1 is communicated with the water inlet pipe, the water outlet end 12 of the valve body 1 is communicated with the water outlet pipe, the valve seat 2 is in threaded connection with the valve body 1 in the first cavity 13 and is positioned between the water outlet end 12 and the water inlet end 11, the lower end side wall of the valve core 4 and the upper end side wall of the valve seat 2 are provided with an overlapping part which are in sealing butt joint, the upper end of the valve core 4 is in sealing butt joint with the valve cover 3 when passing through the first through hole 31, the valve core 4 passes through the first through hole 31 and then extends upwards to the upper part of the valve cover 3, the valve core 4 is convenient to manually operate to reciprocate up and down relative to the valve body 1, thereby the valve core 4 and the valve seat 2 are in sealing butt joint or are released to control the opening and closing of the blow-off valve, the lower part of the valve core 4 is surrounded to form a water containing cavity 41 which can reduce the weight of the valve core 4 to a certain extent, meanwhile, the valve core 4 is provided with first water through holes 42 at intervals along the circumferential direction on the side wall corresponding to the water containing cavity 41, the medium can enter the water outlet end 12 through the first water passage hole 42.

During blowdown, case 4 moves up and removes the butt with disk seat 2, a small amount of medium flows out through the slot between case 4 and the disk seat 2, in order to reduce system pressure gradually, can avoid big impact, case 4 continues to move up, make first limbers 42 aim at with the end 11 of intaking gradually, the through-flow area constantly is linear progressively increasing progressively, more medium flows out smoothly by first limbers 42 and play water end 12 after the restriction of holding water cavity 41, when first limbers 42 and play water end 12 align completely, the blowoff valve is in the full open state, medium pressure greatly reduced, a large amount of impurity can directly be arranged to the outlet pipe from first limbers 42.

In a preferred embodiment of the present invention, the manual blowoff valve further includes a control assembly 5, and the control assembly 5 is connected to a side of the valve core 4 away from the water inlet end 11 and is used for controlling the valve core 4 to reciprocate along the length direction of the valve body 1.

As shown in FIG. 1, after the valve core 4 extends out of the valve cover 3, the control assembly 5 is arranged at the upper end of the valve core 4, and the stress surface of the valve core 4 is increased through the control assembly 5, so that the up-and-down position of the valve core 4 can be conveniently adjusted manually.

In a preferred embodiment of the present invention, the control assembly 5 includes a carrier seat 51 and a carrier body 52, the carrier seat 51 is connected to the valve body 1, the carrier seat 51 is provided with a second through hole 511, the valve core 4 is inserted into the second through hole 511, and the carrier body 52 is sleeved on the valve core 4 and movably connected to the carrier seat 51.

As shown in fig. 1, the wrench head seat 51 is disposed above the valve cap 3, and the wrench head seat 51 is fixed to the valve body 1 and simultaneously presses the valve cap 3 against the valve body 1, so as to further ensure the sealing property at the joint between the valve cap 3 and the valve body 1, a second through hole 511 is formed in the wrench head seat 51, the wrench head body 52 is sleeved on the upper portion of the valve element 4 and fixed to the valve element 4, an external thread is disposed on the periphery of the wrench head body 52, an internal thread is disposed at the second through hole 511 of the wrench head seat 51, the wrench head body 52 is in threaded connection with the wrench head seat 51, and the wrench head body 52 is driven by the rotary valve element 4 to rotate up and down along the thread, so as to accurately control the up-and-down displacement of the valve element 4.

In a preferred embodiment of the present invention, the carrier head seat 51 is provided with at least two screws 54 at equal intervals along the circumference thereof, and the screws 54 are sequentially inserted through the carrier head seat 51 and the valve body 1.

As shown in fig. 1, the screws 54 are disposed at equal intervals in the circumferential direction of the carrier head seat 51, and completely fix the outer circumference of the carrier head seat 51 and the valve body 1, so that the carrier head seat 51 and the valve body 1 are uniformly stressed in the circumferential direction, and the connection stability of the carrier head seat 51 and the valve body 1 is increased.

In a preferred embodiment of the present invention, the control assembly 5 further includes a wrench 53, and the wrench 53 is sleeved on the wrench head body 52 for controlling the wrench head body 52.

As shown in fig. 1, the wrench 53 is disposed at the upper end of the wrench body 52, the rotation direction of the wrench 53 is the same as the rotation direction of the wrench body 52, that is, the wrench 53 is disposed perpendicular to the wrench body 52, the wrench 53 is sleeved at the upper end of the wrench body 52, the valve element 4 passes through the upper end of the wrench body 52 and then fixes the upper end of the valve element 4 through a nut, a washer and the like, and then fixes the wrench 53, the wrench body 52 and the valve element 4 at the same time, the wrench 53 increases the length of the force arm for rotating the valve element 4, so that the position of the valve element 4 can be adjusted manually with more effort.

Preferably, the wrench 53 is a straight wrench 53, and the center of the straight wrench 53 is sleeved on the wrench head body 52, so that when the blowoff valve is manually adjusted, force is applied from two ends of the straight wrench 53, and further, labor is saved when the blowoff valve is adjusted.

In a preferred embodiment of the present invention, the manual blowoff valve further comprises a sealing assembly 6, wherein a first groove is formed on the side wall of the valve seat 2 close to the valve core 4, and the sealing assembly 6 is accommodated in the first groove and is in sealing abutment with the valve core 4.

As shown in fig. 1 and 2, the inner side wall of the valve seat 2 and the valve core 4 have an overlapping portion, the first groove is arranged at a position corresponding to the overlapping portion on the valve seat 2, the outer side and the inner side of the sealing assembly 6 are respectively abutted against the valve seat 2 and the valve core 4, the sealing assembly 6 plays a role in sealing a gap between the valve seat 2 and the valve core 4, and in the process that the valve core 4 moves up and down, it is ensured that a medium cannot leak out from between the valve core 4 and the valve seat 2.

In a preferred embodiment of the present invention, the sealing assembly 6 includes a support ring 61, an O-ring 63, and a rectangular ring 62, the O-ring 63 abuts against the valve seat 2, the rectangular ring 62 is sleeved on one side of the O-ring 63 and abuts against the valve seat 2, and the support ring 61 is disposed on one side of the rectangular ring 62 away from the water inlet end 11 and abuts against the valve core 4 and the valve seat 2, respectively.

As shown in fig. 1 and 2, the support ring 61 is abutted against the top wall of the first groove of the valve seat 2 to support the O-ring 63, the rectangular ring 62 is sleeved on the circumference of the first O-ring to expose the outer edge of the first O-ring, the outer edge of the O-ring 63 and the outer edge of the rectangular ring 62 are respectively abutted against the valve seat 2 at corresponding positions, and the rectangular ring 62 plays a role in protecting and sealing, so that the O-ring 63 is in a relatively static environment, impurities are not easily wrapped, and the service life of the O-ring 63 is prolonged.

In a preferred embodiment of the present invention, the valve core 4 and the valve cover 3 are enclosed to form a valve cover upper chamber 32, and the valve core 4 is provided with a second water through hole 43 communicating the valve cover upper chamber 32 and the water containing chamber 41.

As shown in fig. 1, the lower part of the valve core 4 reciprocates up and down in the valve cover 3, when the valve core 4 is located at the lower part of the valve cover 3, the valve core 4 and the valve cover 3 are enclosed to form a valve cover upper cavity 32, the water containing cavity 41 and the valve cover upper cavity 32 are communicated through the second water through hole 43, when the blowoff valve operates, most of hydraulic pressure at the upper end and the lower end of the valve core 4 can be offset mutually, the self-balancing purpose is achieved, and the blowoff valve can be conveniently opened and closed.

In a preferred embodiment of the present invention, the sidewall of the valve core 4 close to the valve body 1 comprises a first guiding surface 44 and a second guiding surface 46, the first guiding surface 44 transitions to the second guiding surface 46 to form a first conical valve surface 45, the valve seat 2 transitions to form a second conical valve surface 21 at a position corresponding to the first conical valve surface 45, and the first conical valve surface 45 and the second conical valve surface 21 cooperate to form a sealing pair.

As shown in fig. 1 and 2, the first guide surface 44 is located on the outer side wall of the valve element 4 on the side far from the water inlet end 11, the second guide surface 46 is located on the outer side wall of the valve element 4 on the side near the water inlet end 11, the second guide surface 46 abuts against the valve seat 2, the first guide surface 44 extends obliquely downward to the second guide surface 46 on the side near the central axis to form a first conical valve surface 45, the valve seat 2 forms a second conical valve surface 21 inclined obliquely downward to the central axis on the inner side at the position corresponding to the first conical valve surface 45, and the first conical valve surface 45 and the second conical valve surface 21 form surface-to-surface matching, so that excellent sealing effect is achieved.

In a preferred embodiment of the present invention, the manual blowoff valve further includes a gasket 7, a second groove is opened on a side of the valve cover 3 away from the water inlet end 11, and the gasket 7 is accommodated in the second groove and is connected with the valve cover 3 and the valve core 4 in a sealing manner.

As shown in fig. 1, the bonnet 3 and the valve core 4 have an overlapping portion, and they are hermetically connected by a sealing member at a position corresponding to the overlapping portion, and in order to facilitate the installation of the sealing member between the bonnet 3 and the valve core 4, a second groove is provided at the top of the bonnet 3, a gasket 7 is accommodated in the second groove, and the gasket 7 is press-fixed to the bonnet 3 by a carrier head seat 51.

The manual blowoff valve comprises a valve body 1, a valve seat 2, a valve cover 3 and a valve core 4, wherein the side wall of the valve core 4 is in sealing butt joint with the side wall of the valve seat 2, one side of the valve core 4 close to a water inlet end 11 is surrounded to form a water containing cavity 41, the valve core 4 is provided with first water through holes 42 at intervals on the side wall of the water containing cavity 41, the valve seat 2 is in pressure joint without a pressure sleeve, a medium can directly enter the water outlet end 12 from the water containing cavity 41 through the first water through holes 42, the blowoff capability is improved, impurities are not easy to block, the structure is compact, the sealing performance is good, the reliability is high, and the service life is prolonged. The tightness between the poppet 4 and the seat 2 is increased by the support ring 61, the rectangular ring 62 and the O-ring 63 in the seal assembly 6. The carrier head base 51 further increases the stability of the connection of the bonnet 3 and the valve body 1.

In embodiments of the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or units must have a specific direction, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the embodiments of the present invention.

In the description herein, the appearances of the phrase "one embodiment," "a preferred embodiment," or the like, are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present embodiment by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.

Claims (10)

1. A manual waste valve, comprising:

the water-saving valve comprises a valve body (1), wherein a first cavity (13) is formed by enclosing the valve body (1) along the length direction of the valve body, a water inlet end (11) and a water outlet end (12) are respectively formed in the side wall of the valve body (1), and the water inlet end (11) and the water outlet end (12) are respectively communicated with the first cavity (13);

the valve seat (2) is accommodated in the first cavity (13) and is positioned between the water inlet end (11) and the water outlet end (12), and the valve seat (2) is connected with the valve body (1) in a sealing mode;

the valve cover (3), the valve cover (3) is connected with one side, far away from the water inlet end (11), of the valve body (1) in a sealing mode, and a first through hole (31) is formed in the center of the valve cover (3); and

the side wall of the valve core (4) is in sealing butt joint with the side wall of the valve seat (2), and one side, far away from the water inlet end (11), of the valve core (4) penetrates through the first through hole (31) and is in sealing connection with the valve cover (3);

one side of the valve core (4) close to the water inlet end (11) is surrounded to form a water containing cavity (41), and the valve core (4) is provided with first water through holes (42) at intervals on the side wall of the water containing cavity (41).

2. The manual blowdown valve of claim 1, further comprising a control assembly (5), wherein the control assembly (5) is connected with one side of the valve core (4) away from the water inlet end (11) and is used for controlling the valve core (4) to reciprocate along the length direction of the valve body (1).

3. The manual blowoff valve of claim 2, wherein the control assembly (5) comprises a carrier seat (51) and a carrier body (52), the carrier seat (51) is connected with the valve body (1), a second through hole (511) is formed in the carrier seat (51), the valve core (4) is inserted into the second through hole (511), and the carrier body (52) is sleeved on the valve core (4) and movably connected with the carrier seat (51).

4. A manual waste valve according to claim 3, wherein the carrier head seat (51) is provided with at least two screws (54) circumferentially and annularly at equal intervals, and the screws (54) are sequentially arranged through the carrier head seat (51) and the valve body (1).

5. The manual waste valve as claimed in claim 3, wherein the control assembly (5) further comprises a wrench (53), the wrench (53) being sleeved on the wrench head body (52) for controlling the wrench head body (52).

6. The manual waste drain valve according to claim 1, further comprising a sealing assembly (6), wherein a first groove is opened on the side wall of the valve seat (2) close to the valve core (4), and the sealing assembly (6) is accommodated in the first groove and is in sealing abutment with the valve core (4).

7. The manual waste drain valve according to claim 6, wherein the sealing assembly (6) comprises a support ring (61), an O-ring (63) and a rectangular ring (62), the O-ring (63) abuts the valve seat (2), the rectangular ring (62) is sleeved on one side of the O-ring (63) and abuts the valve seat (2), and the support ring (61) is arranged on one side of the rectangular ring (62) far away from the water inlet end (11) and abuts the valve core (4) and the valve seat (2) respectively.

8. The manual blowoff valve of any one of claims 1 to 7, wherein said valve core (4) and said valve cover (3) are enclosed to form a valve cover upper chamber (32), and said valve core (4) is provided with a second water through hole (43) communicating said valve cover upper chamber (32) and said water containing chamber (41).

9. A manual sewage valve according to any one of the claims 1-7, characterised in that the side wall of the valve core (4) close to the valve body (1) comprises a first guide surface (44) and a second guide surface (46), the first guide surface (44) is transited to the second guide surface (46) to form a first conical valve surface (45), the valve seat (2) is transited to form a second conical valve surface (21) at the corresponding position of the first conical valve surface (45), and the first conical valve surface (45) and the second conical valve surface (21) are matched to form a sealing pair.

10. The manual blowoff valve of any one of claims 1 to 7, further comprising a gasket (7), wherein a second groove is formed in a side of said valve cover (3) away from said water inlet end (11), and said gasket (7) is accommodated in said second groove and is sealingly connected with said valve cover (3) and said valve core (4).

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