CN218863298U - Gate valve - Google Patents

Abstract

A gate valve comprises a valve body arranged at the bottom, a valve cover arranged at the top end of the middle part of the valve body, a valve rod screwed in the middle part of the valve body, a hand wheel arranged at the top end of the valve rod, a locking assembly and an adjusting assembly, wherein the locking assembly is arranged between the hand wheel and the valve body, and the adjusting assembly is arranged between the hand wheel and the valve rod; locking Assembly is including connecting the arc piece, insert ring, check lock lever, inserting a section of thick bamboo and spacing dish, connects the arc piece welding on the hand wheel, and the middle part embedding welding of connecting the arc piece has an insert ring, and it has the check lock lever to peg graft on the insert ring, and the top of valve body corresponds check lock lever position department welding and has an insert a section of thick bamboo, and the top of check lock lever is provided with spacing dish, the utility model discloses novel structure thinks about ingeniously, is convenient for when the valve plate is opened completely, locks the adversary's wheel, and locking structure is simple, can carry out altitude mixture control to the adversary's wheel simultaneously, adjusts the back location effectually, and is difficult not hard up.

Description

Gate valve

Technical Field

The utility model relates to a gate valve specifically is a gate valve.

Background

A gate valve is the most common type of open and close valve, and a gate plate is used to open or close a medium in a pipeline. It is not allowed to be used as a shut-off, and the use of the valve plate should avoid slight opening or incomplete opening, because the erosion of the medium flowing at high speed can accelerate the damage of the sealing surface. The gate valve generally controls the opening and closing of the valve plate by rotating the valve rod, but the valve plate is often not completely opened, so that media in a pipeline impact a sealing surface of the valve plate to influence the service life of the gate valve, and the gate valve in the prior art is also lack of a mechanism for locking the valve plate in a completely opened state.

For this purpose, application numbers of: 202220194064.X a gate valve can be better solve above-mentioned technical problem, but the locking structure of the valve plate of current gate valve is comparatively complicated, and the operation is inconvenient, owing to support tightly through the screw rod and fasten after the hand wheel altitude mixture control simultaneously, the hand wheel easily takes place to slide from top to bottom, and positioning effect is poor.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming prior art's defect, the utility model provides a gate valve, the effectual locking structure who has solved the valve plate of current gate valve is comparatively complicated, operates inconveniently, owing to support tightly through the screw rod and fasten after the hand wheel altitude mixture control simultaneously, slides about the hand wheel easily takes place, problem that positioning effect is poor.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model comprises a valve body arranged at the bottom, a valve cover arranged at the top end of the middle part of the valve body, a valve rod screwed at the middle part of the valve body, and a hand wheel arranged at the top end of the valve rod, and also comprises a locking component and an adjusting component, wherein the locking component is arranged between the hand wheel and the valve body, and the adjusting component is arranged between the hand wheel and the valve rod;

the locking assembly comprises a connecting arc-shaped block, an inserting ring, a locking rod, an inserting cylinder and a limiting disc, the connecting arc-shaped block is welded on the hand wheel, the inserting ring is welded in the middle of the connecting arc-shaped block in an embedded mode, the locking rod is inserted into the inserting ring in an inserted mode, the position, corresponding to the locking rod, of the top end of the valve body is welded with the inserting cylinder, and the limiting disc is arranged on the top end of the locking rod.

Preferably, the surface of the hand wheel is provided with anti-skid grains.

Preferably, when the hand wheel drives the valve rod to rotate to the highest position of the valve plate, the insert ring and the insert cylinder are in the same vertical direction.

Preferably, the adjusting part includes the inserted bar, goes up the disc, inserts the post down, disc, clamping screw, fixing nut, side channel and jack down, and the top of inserted bar is fixed on the hand wheel, and the middle part of inserted bar is provided with the disc, and the top at the valve rod is fixed to lower inserted bar, and the top of inserting the post down is provided with down the disc, goes up the disc and is provided with clamping screw down between the disc, and the fixing screw is located the bottom of disc and the both sides of inserting the post down and all has connect fixing nut soon, goes up the disc and corresponds the inserted bar position department with lower inserted bar and has seted up the jack.

Preferably, the cross sections of the jack and the plug rod are both square structures.

Preferably, the two sides of the upper disc and the lower inserting column are provided with side grooves corresponding to the positions of the fixing screws.

Preferably, the height of the insert cylinder is greater than that of the fixing screw.

Has the advantages that: the utility model discloses during the use, turn to the highest point at the hand wheel, when the hand wheel drives valve rod and valve plate and reachs the complete open mode promptly, peg graft the check lock lever in insert ring and insert a section of thick bamboo, the spacing dish of setting is located the insert ring top and carries on spacingly, can carry on spacingly to the hand wheel through the check lock lever, avoid the hand wheel to be touched the rotation, simultaneously when using, can adjust the hand wheel height, when the hand wheel altitude mixture control location, the loosening fixation nut, take out fixation screw by the side inslot, adjust the jack of inserted bar under the inserted bar, adjust and accomplish the back, the both sides of revolving the last disc of fixation screw with the fixation nut on the fixation screw and lower disc, cup joint the side inslot on last disc and lower disc with fixation screw, and the fixation nut of inserted bar and inserted bar can be accomplished to screw, accomplish the regulation of hand wheel height promptly.

The utility model discloses novel structure thinks about ingeniously, is convenient for when the valve plate is opened completely, locks the adversary's wheel, and locking simple structure can carry out altitude mixture control to the adversary's wheel simultaneously, and it is effectual to adjust the back location, difficult not hard up.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the hand wheel of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the locking rod of the present invention;

FIG. 4 is a schematic diagram of the structure of A in FIG. 1 according to the present invention;

FIG. 5 is a top view of the lower disc of the present invention;

fig. 6 is a bottom view of the upper disc of the present invention;

reference numbers in the figures: 1. a valve body; 2. a valve cover; 3. a valve stem; 4. a hand wheel; 5. a locking assembly; 51. connecting the arc-shaped blocks; 52. inserting a ring; 53. a locking lever; 54. inserting a cylinder; 55. a limiting disc; 6. an adjustment assembly; 61. inserting a rod; 62. an upper disc; 63. inserting a column downwards; 64. a lower disc; 65. fixing the screw rod; 66. fixing a nut; 67. a side groove; 68. and (7) inserting the jack.

Detailed Description

The following describes the present invention in further detail with reference to fig. 1-6.

In the first embodiment, as shown in fig. 1 to 6, the utility model provides a gate valve, which comprises a valve body 1 arranged at the bottom, a valve cover 2 arranged at the top end of the middle part of the valve body 1, a valve rod 3 screwed to the middle part of the valve body 1, a hand wheel 4 arranged at the top end of the valve rod 3, a locking component 5 and an adjusting component 6, wherein the locking component 5 is arranged between the hand wheel 4 and the valve body 1, and the adjusting component 6 is arranged between the hand wheel 4 and the valve rod 3;

the locking assembly 5 comprises a connecting arc-shaped block 51, an inserting ring 52, a locking rod 53, an inserting cylinder 54 and a limiting disc 55, the connecting arc-shaped block 51 is welded on the hand wheel 4, the inserting ring 52 is embedded and welded in the middle of the connecting arc-shaped block 51, the locking rod 53 is inserted and connected on the inserting ring 52 in an inserting mode, the inserting cylinder 54 is welded at the position, corresponding to the locking rod 53, of the top end of the valve body 1, and the limiting disc 55 is arranged at the top end of the locking rod 53.

When in specific use: the utility model discloses during the use, 4 the highest point that rotates at the hand wheel, when the hand wheel 4 drives valve rod 3 and valve plate arrival complete opening state promptly, peg graft the check lock lever 53 in insert ring 52 and insert a 54, spacing dish 55 that sets up is located insert ring 52 top and carries on spacingly, can carry on spacingly to the hand wheel 4 through the check lock lever 53, avoid the hand wheel 4 to be touched the rotation, simultaneously when using, can highly adjust hand wheel 4, when the high regulation location of hand wheel 4, loosen fixation nut 66, take out fixation screw 65 in by the side channel 67, adjust the inserted bar 61 in the jack 68 of inserting post 63 down, adjust the completion back, the both sides of fixing nut 66 on the fixation screw 65 revolve supreme disc 62 and lower disc 64, cup joint fixation screw 65 in the side channel 67 on last disc 62 and lower disc 64, and the fixed of inserted bar 61 and lower inserted post 63 can be accomplished to the fixation nut 66 of screwing, accomplish the regulation of 4 heights of hand wheel promptly.

Has the beneficial effects that: the utility model discloses novel structure, it is ingenious to think about, is convenient for when the valve plate is opened completely, locks adversary's wheel 4, and locking simple structure can carry out altitude mixture control to hand wheel 4 simultaneously, and it is effectual to adjust the back location, difficult not hard up.

Example two

Referring to fig. 1, as another preferred embodiment, the difference between the first embodiment and the second embodiment is that the surface of the hand wheel 4 is provided with anti-skid threads, so that the hand wheel 4 has better anti-skid performance.

EXAMPLE III

In the first embodiment, the insertion ring 52 and the insertion cylinder 54 are not convenient to match, and referring to fig. 1, as another preferred embodiment, the difference from the first embodiment is that when the hand wheel 4 drives the valve rod 3 to rotate until the valve plate rises to the highest position, the insertion ring 52 and the insertion cylinder 54 are in the same vertical direction, so that the insertion ring 52 and the insertion cylinder 54 can be conveniently matched for use.

Example four

In the first embodiment, the height of the hand wheel 4 is not conveniently adjusted and fixed, referring to fig. 1, as another preferred embodiment, the difference from the first embodiment is that the adjusting assembly 6 includes an insert rod 61, an upper disc 62, a lower insert column 63, a lower disc 64, a fixing screw 65, a fixing nut 66, a side groove 67 and an insertion hole 68, the top end of the insert rod 61 is fixed on the hand wheel 4, the middle part of the insert rod 61 is provided with the upper disc 62, the lower insert column 63 is fixed on the top end of the valve rod 3, the top end of the lower insert column 63 is provided with the lower disc 64, a fixing screw 65 is arranged between the upper disc 62 and the lower disc 64, the fixing nut 66 is screwed at the bottom of the upper disc 62 and at both sides of the lower insert column 63 by the fixing screw 65, the upper disc 62 and the lower insert column 63 are provided with the insertion hole 68 at positions corresponding to the insert rod 61, when the height of the hand wheel 4 is adjusted and positioned, the fixing nut 66 is screwed, the fixing screw 65 is taken out from the side groove 67, the adjusting screw 61 is screwed in the lower insert hole 66 in the upper disc 62 and the lower insert hole 64, and the fixing nut 64, and the fixing screw 64 on both sides of the upper insert rod 61 are screwed after the adjustment is completed.

EXAMPLE five

In the fourth embodiment, the insertion hole 68 is not convenient to be matched with the insertion rod 61, and referring to fig. 1, as another preferred embodiment, the difference from the fourth embodiment is that the sections of the insertion hole 68 and the insertion rod 61 are both square structures, so that the insertion hole 68 and the insertion rod 61 can be conveniently matched for use.

EXAMPLE six

Referring to fig. 1, the difference between the fourth preferred embodiment and the fourth preferred embodiment is that side grooves 67 are formed at positions on both sides of the upper disc 62 and the lower insert column 63 corresponding to the fixing screws 65, so as to facilitate the use of the fixing screws 65.

EXAMPLE seven

In the fourth embodiment, the hand wheel 4 is inconvenient to limit, and referring to fig. 1, as another preferred embodiment, the difference from the fourth embodiment is that the height of the insertion cylinder 54 is greater than that of the fixing screw 65, and when the hand wheel 4 is adjusted to the highest position, the insertion rod 61 can still be inserted into the insertion cylinder 54.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a gate valve, includes valve body (1) that the bottom set up, valve rod (3) and hand wheel (4) of valve rod (3) top installation that valve gap (2) and valve body (1) middle part that the top at valve body (1) middle part set up connect soon, its characterized in that: the valve is characterized by further comprising a locking assembly (5) and an adjusting assembly (6), wherein the locking assembly (5) is arranged between the hand wheel (4) and the valve body (1), and the adjusting assembly (6) is arranged between the hand wheel (4) and the valve rod (3);

locking Assembly (5) are including connecting arc piece (51), insert ring (52), check lock lever (53), insert a section of thick bamboo (54) and spacing dish (55), connect arc piece (51) and weld on hand wheel (4), the middle part embedding welding of connecting arc piece (51) has insert ring (52), it has check lock lever (53) to peg graft on insert ring (52), the top of valve body (1) corresponds check lock lever (53) position department welding has insert a section of thick bamboo (54), the top of check lock lever (53) is provided with spacing dish (55).

2. Gate valve according to claim 1, characterised in that the surface of the hand wheel (4) is provided with anti-slip threads.

3. A gate valve according to claim 1, characterized in that the hand wheel (4) drives the valve rod (3) to rotate until the valve plate is lifted to the highest position, the insert ring (52) and the insert cylinder (54) are in the same vertical direction.

4. The gate valve according to claim 1, wherein the adjusting assembly (6) comprises an insert rod (61), an upper disc (62), a lower insert column (63), a lower disc (64), a fixing screw rod (65), a fixing nut (66), a side groove (67) and an insertion hole (68), the top end of the insert rod (61) is fixed on the hand wheel (4), the upper disc (62) is arranged in the middle of the insert rod (61), the lower insert column (63) is fixed on the top end of the valve rod (3), the lower disc (64) is arranged on the top end of the lower insert column (63), the fixing screw rod (65) is arranged between the upper disc (62) and the lower disc (64), the fixing nuts (66) are screwed on the bottom of the upper disc (62) and the two sides of the lower insert column (63) of the fixing screw rod (65), and the insertion holes (68) are formed in positions, corresponding to the insert rod (61), of the upper disc (62) and the lower insert column (63).

5. A gate valve according to claim 4, characterised in that the cross-sections of the socket (68) and the plug stem (61) are of square configuration.

6. The gate valve of claim 4, wherein the upper disc (62) and the lower insert column (63) are provided with side grooves (67) at positions corresponding to the fixing screws (65) on both sides.

7. A gate valve according to claim 4, characterised in that the insert (54) has a height greater than the height of the fixing screw (65).

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