CN212900070U - Fire hydrant with valve rod abrasion-proof protection structure - Google Patents

Fire hydrant with valve rod abrasion-proof protection structure Download PDF

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Publication number
CN212900070U
CN212900070U CN202021679028.XU CN202021679028U CN212900070U CN 212900070 U CN212900070 U CN 212900070U CN 202021679028 U CN202021679028 U CN 202021679028U CN 212900070 U CN212900070 U CN 212900070U
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China
Prior art keywords
valve rod
fire hydrant
external member
semicircle external
protective sleeve
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CN202021679028.XU
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Chinese (zh)
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窦龙
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Tianwei Fire Extinguishing Equipment Co ltd Wuxi City
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Tianwei Fire Extinguishing Equipment Co ltd Wuxi City
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Abstract

The utility model discloses a fire hydrant with valve rod anti-abrasion protection structure, which comprises a fire hydrant body and a valve rod arranged in the fire hydrant body, wherein the top end of the valve rod is provided with a valve rod joint, a protective sleeve is arranged between the valve rod and the fire hydrant body, the protective sleeve comprises a left semi-circle external member and a right semi-circle external member, and the left semi-circle external member and the right semi-circle external member are rotatably connected and can be sleeved on the valve rod in a matching way; the valve rod is provided with a concave part, the bottom of the concave part is provided with a positioning column, the left and right semicircular external members are provided with positioning holes for the positioning column to be inserted in, the protective sleeve is arranged in the concave part and can slide along the valve rod and position the left and right semicircular external members through the positioning column, the top of the concave part is provided with a limiting telescopic member, and the limiting telescopic member is connected with the valve rod in a sliding manner and can radially stretch along the valve rod to limit the movement of the protective; and sealing rings used for being tightly matched with the protective sleeve are arranged on the valve rod and the fire hydrant body. The utility model discloses can play protection and abrasionproof damage effect to the valve rod, only need change the protective sheath can, easy operation, it is with low costs.

Description

Fire hydrant with valve rod abrasion-proof protection structure
Technical Field
The utility model relates to a fire hydrant with valve rod abrasionproof decreases protection architecture.
Background
As everyone knows, the valve rod sets up and is used for driving the important part that the valve clack goes up and down in order to control rivers circulation in the fire hydrant body, can produce the friction between the valve rod use and the fire hydrant body, takes place wearing and tearing easily after using for a long time, influences the normal use of fire hydrant, and present way can only be solved through changing whole root valve rod, complex operation wastes time and energy, has also increased use and maintenance cost.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a fire hydrant with valve rod abrasionproof decreases protection architecture, aim at solving among the prior art valve rod easy wear, change whole valve rod complex operation, waste time and energy, and with high costs technical problem.
The technical scheme of the utility model is that: a fire hydrant with a valve rod abrasion-proof protection structure comprises a fire hydrant body and a valve rod arranged in the fire hydrant body, wherein a valve rod connector used for driving the valve rod to lift is arranged at the top end of the valve rod, a protective sleeve is arranged between the valve rod and the fire hydrant body and comprises a left semicircle sleeve and a right semicircle sleeve, the left semicircle sleeve and the right semicircle sleeve are rotatably connected and can be sleeved outside the valve rod in a matched mode so as to separate the valve rod from the fire hydrant body; the valve rod is provided with a concave part which is inwards concave along the radial direction of the valve rod, the bottom of the concave part is respectively provided with a positioning column corresponding to the left semicircle external member and the right semicircle external member, the left semicircle external member and the right semicircle external member are respectively provided with a positioning hole for the corresponding positioning column to be inserted, the protective sleeve is arranged in the concave part and can slide along the valve rod and respectively position the left semicircle external member and the right semicircle external member through the corresponding positioning column, the top of the concave part is also respectively provided with a limiting telescopic member corresponding to the left semicircle external member and the right semicircle external member, and the limiting telescopic member is connected with the valve rod in a sliding way and can radially stretch along the valve rod to limit the protective sleeve to move up and down; still be equipped with respectively on valve rod, the fire hydrant body be used for with first sealing washer, the second sealing washer of protective sheath closely complex.
Further, in the utility model discloses in rotate through the dwang between left side semicircle external member and the right semicircle external member and be connected, left side semicircle external member, right semicircle external member can wind respectively the dwang rotates in order to realize opening and shutting of protective sheath.
Further, in the utility model discloses in correspond on the valve rod corresponding to left semicircle external member and right semicircle external member are equipped with the bead that extends along valve rod length direction respectively, be equipped with the gliding recess of bead embedding that supplies to correspond on left semicircle external member, the right semicircle external member respectively.
Furthermore, in the present invention, the top of the positioning column is a semispherical structure.
Further, in the utility model discloses in be equipped with on the valve rod and supply the gliding spout of spacing extensible member, spacing extensible member passes through the spring mounting and is in the spout.
Further, the utility model discloses in first sealing washer, second sealing washer inlay respectively and establish inside valve rod, the fire hydrant body.
Furthermore, in the present invention, the protective sheath is made of copper material.
Compared with the prior art, the utility model has the following advantage:
1) the utility model discloses a protective sheath that specific design can open and shut for install on the valve rod and separate valve rod and fire hydrant body, thereby play the effect that the valve rod abrasionproof decreases, realize relatively fixed and high-speed joint through reference column and spacing extensible member between protective sheath and the valve rod, the dismouting of protective sheath is simple and convenient, can play protection and the abrasionproof effect to the valve rod on the one hand, and on the other hand can avoid changing whole valve rod, only need with the protective sheath take off change can, reduced use cost.
2) The utility model discloses in, the bead and the recess of specific design can play the guide effect to the motion of protective sheath for during the locating hole that the reference column can accurate insert the protective sheath when the protective sheath slides, need not manual alignment repeatedly.
3) The utility model discloses in, reference column top design is the hemispherical structure, is favorable to inserting fast in the locating hole of protective sheath.
4) The utility model discloses in, the sealing washer of design on valve rod and the fire hydrant body can closely laminate with the protective sheath, guarantees the leakproofness.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the protective sheath of the present invention.
Wherein: 1. a fire hydrant body; 2. a valve stem; 2a, ribs; 2b, a sliding chute; 3. a valve stem fitting; 4. a protective sleeve; 4a, a left semicircle kit; 4b, a right semicircular sleeve; 4c, rotating the rod; 5. a positioning column; 6. positioning holes; 7. a limiting telescopic piece; 8. a groove; 9. a spring; 10. and a second seal ring.
Detailed Description
The following description will specifically explain embodiments of the present invention with reference to the accompanying drawings.
Example (b):
it is shown in the accompanying drawings that the utility model relates to a fire hydrant with valve rod abrasionproof decreases protection architecture's embodiment, it mainly includes fire hydrant body 1 and locates valve rod 2 in the fire hydrant body 1, and the top of valve rod 2 is equipped with the valve rod joint 3 that is used for driving valve rod 2 and goes up and down.
Be equipped with protective sheath 4 between valve rod 2 and the fire hydrant body 1, protective sheath 4 includes left semicircle external member 4a, right semicircle external member 4b, rotates between left semicircle external member 4a and the right semicircle external member 4b to be connected and can cooperate the cover to establish in order to separate valve rod 2 and fire hydrant body 1 in the outside of valve rod 2. Specifically, in this embodiment, the left semicircle suite 4a and the right semicircle suite 4b are rotatably connected through the rotating rod 4c, and the left semicircle suite 4a and the right semicircle suite 4b can respectively rotate around the rotating rod 4c to rotate so as to realize the opening and closing of the protection sleeve 4.
The valve rod 2 is provided with a concave part which is inwards concave along the radial direction, the bottom of the concave part is provided with positioning columns 5 corresponding to the left semicircle sleeve piece 4a and the right semicircle sleeve piece 4b respectively, and in the embodiment, the top of each positioning column 5 is of a hemispherical structure. The left semicircle external member 4a and the right semicircle external member 4b are respectively provided with a positioning hole 6 for the corresponding positioning column 5 to be inserted, and the protection sleeve 4 is arranged in the concave part and can slide along the valve rod 2 and respectively position the left semicircle external member 4a and the right semicircle external member 4b through the corresponding positioning column 5.
Further, the top of the concave part is provided with a limiting telescopic piece 7 corresponding to the left semicircle sleeve 4a and the right semicircle sleeve 4b respectively, and the limiting telescopic piece 7 is connected with the valve rod 2 in a sliding manner and can stretch out and draw back along the radial direction of the valve rod 2 to limit the up-and-down movement of the protection sleeve 4. Specifically, the valve rod 2 is provided with a sliding groove 2b for the sliding of the limiting telescopic piece 7, and the limiting telescopic piece 7 is installed in the sliding groove 2b through a spring 9.
In this embodiment, the valve rod 2 is further provided with a rib 2a extending along the length direction of the valve rod 2 corresponding to the left semicircle kit 4a and the right semicircle kit 4b, and the left semicircle kit 4a and the right semicircle kit 4b are provided with a groove 8 for the corresponding rib 2a to be embedded into and slide.
In addition, still be equipped with respectively on valve rod 2, the fire hydrant body 1 and be used for closely cooperating first sealing washer, second sealing washer 10 with protective sheath 4, first sealing washer, second sealing washer 10 inlay respectively and establish inside valve rod 2, fire hydrant body 1.
In this embodiment, the protective sheath 4 is made of a copper material.
The concrete during operation of this embodiment, during the installation of protective sheath 4, at first inwards press spacing extensible member 7, aim at the bead 2a of valve rod 2 respectively with the recess 8 of left semicircle external member 4a and right semicircle external member 4b after, the closed suit is in the concave part of valve rod 2, the downward sliding protective sheath 4, two reference columns 5 insert respectively in two locating holes 6, two spacing extensible members 7 at concave part top this moment pop out automatically under the effect of spring 9, it restricts its motion to offset with protective sheath 4 top, after the installation of protective sheath 4 is accomplished, install valve rod 2 to fire hydrant body 1 in, the first sealing washer (not drawn) on protective sheath 4 inboard and the valve rod 2 closely laminates, the outside closely laminates with the second sealing washer 10 in the fire hydrant body 1, guarantee the leakproofness. When the fire hydrant uses, valve rod joint 3 drives 2 downstream of valve rod, produces between protective sheath 4 and the fire hydrant body 1 and slides and rub, and protective sheath 4 has played the antifriction effect to valve rod 2, during the maintenance, only need press spacing extensible member 7, with protective sheath 4 upwards slide to break away from with reference column 5, open left semicircle external member 4a and right semicircle external member 4b and can take off and change, dismouting simple and convenient. The utility model discloses an aspect can play protection and the abrasionproof damage effect to valve rod 2, and on the other hand can avoid changing whole valve rod 2, only need with protective sheath 4 take off change can, greatly reduced use cost.
The above-mentioned embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which should not be construed as limiting the scope of the present invention. All modifications made according to the spirit of the main technical scheme of the present invention shall be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a fire hydrant with valve rod abrasionproof decreases protection architecture, includes fire hydrant body (1) and locates valve rod (2) in fire hydrant body (1), its characterized in that: a valve rod connector (3) used for driving the valve rod (2) to lift is arranged at the top end of the valve rod (2), a protective sleeve (4) is arranged between the valve rod (2) and the fire hydrant body (1), the protective sleeve (4) comprises a left semicircle kit (4a) and a right semicircle kit (4b), the left semicircle kit (4a) and the right semicircle kit (4b) are rotatably connected and can be sleeved outside the valve rod (2) in a matched mode to separate the valve rod (2) and the fire hydrant body (1); a concave part which is inwards concave along the radial direction of the valve rod (2) is arranged on the valve rod, positioning columns (5) are respectively arranged at the bottoms of the concave parts corresponding to the left semicircle external member (4a) and the right semicircle external member (4b), positioning holes (6) for inserting the corresponding positioning columns (5) are respectively arranged on the left semicircle external member (4a) and the right semicircle external member (4b), the protective sleeve (4) is arranged in the concave part and can slide along the valve rod (2) and respectively position the left semicircle external member (4a) and the right semicircle external member (4b) through the corresponding positioning columns (5), the top of the concave part is also provided with a limit telescopic piece (7) corresponding to the left semicircle external member (4a) and the right semicircle external member (4b), the limiting telescopic piece (7) is connected with the valve rod (2) in a sliding mode and can be radially stretched along the valve rod (2) to limit the up-and-down movement of the protective sleeve (4); the valve rod (2) and the fire hydrant body (1) are further respectively provided with a first sealing ring and a second sealing ring (10) which are used for being tightly matched with the protective sleeve (4).
2. A fire hydrant with a valve stem wear protection structure according to claim 1 in which: rotate through dwang (4c) between semicircle external member (4a) in a left side and the semicircle external member (4b) and be connected, semicircle external member in a left side (4a), right semicircle external member (4b) can wind respectively dwang (4c) rotate in order to realize opening and shutting of protective sheath (4).
3. A fire hydrant with a valve stem wear protection structure according to claim 1 in which: the valve rod (2) is provided with a convex rib (2a) extending along the length direction of the valve rod (2) corresponding to the left semicircle external member (4a) and the right semicircle external member (4b), and the left semicircle external member (4a) and the right semicircle external member (4b) are provided with a groove (8) for the corresponding convex rib (2a) to be embedded into for sliding.
4. A fire hydrant with a valve stem wear protection structure according to claim 1 in which: the top of the positioning column (5) is of a hemispherical structure.
5. A fire hydrant with a valve stem wear protection structure according to claim 1 in which: be equipped with on valve rod (2) and supply gliding spout (2b) of spacing extensible member (7), install through spring (9) spacing extensible member (7) in spout (2 b).
6. A fire hydrant with a valve stem wear protection structure according to claim 1 in which: the first sealing ring and the second sealing ring (10) are respectively embedded in the valve rod (2) and the fire hydrant body (1).
7. A fire hydrant with a valve stem wear protection structure according to claim 1 in which: the protective sleeve (4) is made of copper material.
CN202021679028.XU 2020-08-13 2020-08-13 Fire hydrant with valve rod abrasion-proof protection structure Active CN212900070U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021679028.XU CN212900070U (en) 2020-08-13 2020-08-13 Fire hydrant with valve rod abrasion-proof protection structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021679028.XU CN212900070U (en) 2020-08-13 2020-08-13 Fire hydrant with valve rod abrasion-proof protection structure

Publications (1)

Publication Number Publication Date
CN212900070U true CN212900070U (en) 2021-04-06

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Application Number Title Priority Date Filing Date
CN202021679028.XU Active CN212900070U (en) 2020-08-13 2020-08-13 Fire hydrant with valve rod abrasion-proof protection structure

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113695240A (en) * 2021-08-17 2021-11-26 池州市九华明坤铝业有限公司 Porous part batch detection equipment based on image detection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113695240A (en) * 2021-08-17 2021-11-26 池州市九华明坤铝业有限公司 Porous part batch detection equipment based on image detection

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