CN217401998U - Manual flange stop valve - Google Patents

Abstract

A manual flange stop valve comprises a valve body of the stop valve, wherein a liquid inlet pipe and a liquid outlet pipe are respectively formed on two sides of the valve body, flanges are formed at ports of the liquid inlet pipe and the liquid outlet pipe, limiting connecting assemblies are respectively inserted and sleeved on the liquid inlet pipe and the liquid outlet pipe on two sides of the valve body, each limiting connecting assembly comprises a circular limiting check ring, a plurality of limiting counter bores which are opposite to mounting holes in the flanges and are in regular hexagon shapes are formed in the side end face of one side, close to the flanges, of the limiting check ring, a plurality of notches are formed in the outer walls of the limiting check rings between the limiting counter bores, L-shaped clamping claws are inserted and connected in the notches, and the clamping claws are distributed on the outer sides of the flanges; the clamping jaws are inserted with positioning pin shafts, and two ends of each positioning pin shaft are inserted and fixed on the limiting retaining rings. Set up spacing coupling assembling on this stop valve, spacing coupling assembling can carry on spacingly to the nut, and the jack catch structure on the spacing coupling assembling replaces partial bolt assembly simultaneously, during the stop valve installation, can reduce bolt assembly's quantity, and the installation of the stop valve of being convenient for is dismantled.

Description

Manual flange stop valve

The technical field is as follows:

the utility model relates to a technical field of stop valve, more specifically say and relate to a flange stop valve of manual formula.

The background art comprises the following steps:

the valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, and is often used in the industrial production process; for example, a valve is needed to be used on a liquid conveying pipeline, and the valve of the existing conveying pipeline is generally driven by a screw rod to realize the closing of a valve core so as to realize pipeline closure, namely, the valve is a stop valve. In some existing stop valves, an inlet pipe and an outlet pipe are arranged on a valve body of the existing stop valve, flanges are arranged on the inlet pipe and the outlet pipe, so that the existing stop valves are convenient to be connected with pipelines, the pipelines connected with the existing stop valves are generally provided with flange structures, the inlet pipe and the outlet pipe are installed and connected through bolt assemblies, the bolt assemblies mainly comprise bolts and nuts, and when the bolt assemblies are installed, one ends of the bolts are required to limit the nuts, and the other ends of the bolts are required to rotate the bolts; and current flange structure all is equipped with 6 mounting holes and 8 mounting holes generally, and 6 to 8 bolt assembly need be installed to the one end of valve promptly, accomplishes the valve installation and need fasten 12 to 16 bolt assembly, and the installation is comparatively troublesome.

The utility model has the following contents:

the utility model aims at being exactly not enough to prior art, and provide a flange stop valve of manual formula, set up spacing coupling assembling on its stop valve, spacing coupling assembling can carry on spacingly to the nut, and the last jack catch structure of spacing coupling assembling replaces partial bolt assembly simultaneously, during the stop valve installation, can reduce bolt assembly's quantity, and the installation of the stop valve of being convenient for is dismantled.

A manual flange stop valve comprises a valve body of the stop valve, wherein a liquid inlet pipe and a liquid outlet pipe are respectively formed on two sides of the valve body, flanges are formed at ports of the liquid inlet pipe and the liquid outlet pipe, limiting connecting assemblies are respectively inserted and sleeved on the liquid inlet pipe and the liquid outlet pipe on two sides of the valve body, each limiting connecting assembly comprises a circular limiting check ring, a plurality of limiting counter bores which are opposite to mounting holes in the flanges and are in regular hexagon shapes are formed in the side end face of one side, close to the flanges, of the limiting check ring, a plurality of notches are formed in the outer walls of the limiting check rings between the limiting counter bores, L-shaped clamping claws are inserted and connected in the notches, and the clamping claws are distributed on the outer sides of the flanges; the clamping jaws are inserted with positioning pin shafts, and two ends of each positioning pin shaft are inserted and fixed on the limiting retaining rings.

Preferably, the shaping has a plurality of mounting holes on the flange of valve body, and the mounting hole is annular evenly distributed around the central axis of flange, and the quantity of spacing counter bore equals with the quantity of notch on the spacing retaining ring, and the quantity of spacing counter bore equals the quantity of mounting hole with the sum of notch quantity, spacing counter bore and notch all be annular evenly distributed around the central axis of spacing retaining ring.

Preferably, the diameter of the inner wall of the limiting retainer ring is larger than the diameter of the outer wall of the liquid inlet pipe and the diameter of the outer wall of the liquid outlet pipe; the diameter of the inner wall of the limiting check ring is smaller than that of the flange, and the diameter of the outer wall of the limiting check ring is larger than that of the flange.

Preferably, the depth of the limiting counter bore in the limiting retainer ring is 2/3-3/5 of the thickness of the limiting retainer ring.

Preferably, the clamping jaw consists of a clamping jaw head and a clamping jaw rod, the clamping jaw rod on the clamping jaw is parallel to the central axis of the limiting check ring, and the distance from the inner end of the clamping jaw head on the clamping jaw to the center axis of the limiting check ring is smaller than the radius of the flange.

Preferably, the claw rod on the claw is a threaded connecting column, the outer wall of the claw rod opposite to the claw rod is provided with a cutting groove, the bottom surfaces of the cutting grooves on the two sides of the claw rod are abutted against the two side walls of the notch, and the center distance from the claw rod to the bottom surface of the notch is greater than the diameter of the claw rod; an adjusting groove is formed in the claw rod of the claw, the positioning pin shaft is inserted into the adjusting groove of the claw, and an adjusting nut is screwed at one end, far away from the claw head, of the claw rod.

Preferably, the positioning pin shaft is conical, a positioning pin hole which is opposite to the positioning pin shaft and conical is formed in the outer wall of the limiting check ring, and the positioning pin shaft is inserted into the positioning pin hole of the limiting check ring.

The beneficial effects of the utility model reside in that:

set up spacing coupling assembling on this stop valve, spacing coupling assembling can carry on spacingly to the nut, and the jack catch structure on the spacing coupling assembling replaces partial bolt assembly simultaneously, during the stop valve installation, can reduce bolt assembly's quantity, and the installation of the stop valve of being convenient for is dismantled.

Description of the drawings:

fig. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic sectional view of the structure at a-a in fig. 2.

In the figure: 1. a valve body; 11. a liquid inlet pipe; 12. a liquid outlet pipe; 13. a flange; 2. a limiting connecting assembly; 21. a limit retainer ring; 211. limiting counter bores; 212. a notch; 22. a jaw; 221. An adjustment groove; 23. positioning a pin shaft; 24. and adjusting the nut.

The specific implementation mode is as follows:

example (b): as shown in fig. 1 to 3, a manual flange stop valve includes a valve body 1 of the stop valve, a liquid inlet pipe 11 and a liquid outlet pipe 12 are respectively formed on two sides of the valve body 1, flanges 13 are formed on ports of the liquid inlet pipe 11 and the liquid outlet pipe 12, a limiting connection assembly 2 is respectively inserted and sleeved on the liquid inlet pipe 11 and the liquid outlet pipe 12 on two sides of the valve body 1, the limiting connection assembly 2 includes a circular limiting check ring 21, a plurality of limiting counter bores 211 which are opposite to mounting holes on the flange 13 and are in a regular hexagon shape are formed on a side end face of the limiting check ring 21 close to one side of the flange 13, a plurality of notches 212 are formed on an outer wall of the limiting check ring 21 between the limiting counter bores 211, L-shaped clamping claws 22 are inserted and connected in the notches 212, and the clamping claws 22 are distributed on the outer side of the flange 13; the clamping jaw 22 is inserted with a positioning pin shaft 23, and two ends of the positioning pin shaft 23 are inserted and fixed on the limiting check ring 21.

Preferably, a plurality of mounting holes are formed in the flange 13 of the valve body 1, the mounting holes are uniformly distributed in an annular shape around the central axis of the flange 13, the number of the limiting counter bores 211 on the limiting retainer ring 21 is equal to the number of the notches 212, the sum of the number of the limiting counter bores 211 and the number of the notches 212 is equal to the number of the mounting holes, and the limiting counter bores 211 and the notches 212 are uniformly distributed in an annular shape around the central axis of the limiting retainer ring 21.

Preferably, the diameter of the inner wall of the limiting retainer ring 21 is larger than the diameter of the outer wall of the liquid inlet pipe 11 and the diameter of the outer wall of the liquid outlet pipe 12; the diameter of the inner wall of the limiting retainer ring 21 is smaller than that of the flange 13, and the diameter of the outer wall of the limiting retainer ring 21 is larger than that of the flange 13.

Preferably, the depth of the limiting counter bore 211 on the limiting check ring 21 is 2/3-3/5 of the thickness of the limiting check ring 21.

Preferably, the claw 22 is composed of a claw head and a claw rod, the claw rod on the claw 22 is parallel to the central axis of the limit retainer 21, and the distance from the inner end of the claw head on the claw 22 to the center axis of the limit retainer 21 is smaller than the radius of the flange 13.

Preferably, the claw rod on the claw 22 is a threaded connection column, the opposite outer walls of the claw rod are formed with cutting grooves, the bottom surfaces of the cutting grooves on the two sides of the claw rod are abutted against the two side walls of the notch 212, and the center distance from the claw rod to the bottom surface of the notch 212 is greater than the diameter of the claw rod; an adjusting groove 221 is formed in the claw rod of the claw 22, the positioning pin shaft 23 is inserted into the adjusting groove 221 of the claw 22, and an adjusting nut 24 is screwed at one end of the claw rod far away from the claw head.

Preferably, the positioning pin shaft 23 is conical, a conical positioning pin hole opposite to the positioning pin shaft 23 is formed in the outer wall of the limiting retainer ring 21, and the positioning pin shaft 23 is inserted into the positioning pin hole of the limiting retainer ring 21.

The working principle is as follows: the utility model discloses a manual formula's flange stop valve, its flange stop valve's characteristics mainly lie in on spacing coupling assembling 2, spacing coupling assembling 2's main part is spacing retaining ring 21, be equipped with regular hexagon's spacing counter bore 211 on spacing retaining ring 21, the nut can be inserted, pass in the flange 13 spiro union nut of pipeline and stop valve when the bolt, spacing retaining ring 21 can restrict the nut and rotate, so just need not artifical restriction nut on, the top of bolt supports and leans on spacing retaining ring 21 simultaneously, and order about spacing retaining ring 21 and remove, jack catch 22 on the spacing retaining ring 21 will flare-out, jack catch 22 can be pressed and is detained on the flange of pipeline, jack catch 22 just can replace partial bolt assembly, when the pipeline is installed to the flange stop valve, just can reduce the installation of double-screw bolt assembly, can make things convenient for the installation dismantlement of flange stop valve.

The examples are intended to be illustrative, but not limiting, of the invention. The embodiments can be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the present invention should be determined by the appended claims.

Claims (7)

1. The utility model provides a flange stop valve of manual formula, includes valve body (1) of stop valve, the both sides of valve body (1) respectively the shaping have feed liquor pipe (11) and drain pipe (12), and the equal shaping of port of feed liquor pipe (11) and drain pipe (12) has flange (13), its characterized in that: the liquid inlet pipe (11) and the liquid outlet pipe (12) on two sides of the valve body (1) are respectively sleeved with a limiting connecting assembly (2), the limiting connecting assembly (2) comprises a circular limiting check ring (21), a plurality of limiting counter bores (211) which are opposite to the mounting holes on the flange (13) and are in a regular hexagon are formed in the side end face of one side, close to the flange (13), of the limiting check ring (21), a plurality of notches (212) are formed in the outer wall of the limiting check ring (21) between the limiting counter bores (211), L-shaped clamping claws (22) are inserted in the notches (212), and the clamping claws (22) are distributed on the outer side of the flange (13); the clamping jaws (22) are inserted with positioning pin shafts (23), and two ends of each positioning pin shaft (23) are inserted and fixed on the limiting check rings (21).

2. A manual flange shut-off valve according to claim 1, wherein: the shaping has a plurality of mounting holes on flange (13) of valve body (1), and the mounting hole is annular evenly distributed around the central axis of flange (13), and the quantity of spacing counter bore (211) equals with the quantity of notch (212) on spacing retaining ring (21), and the quantity of spacing counter bore (211) equals the quantity of mounting hole with the sum of notch (212) quantity, spacing counter bore (211) and notch (212) all be annular evenly distributed around the central axis of spacing retaining ring (21).

3. A manual flange shut-off valve according to claim 1, wherein: the diameter of the inner wall of the limiting retainer ring (21) is larger than that of the outer wall of the liquid inlet pipe (11) and that of the outer wall of the liquid outlet pipe (12); the diameter of the inner wall of the limiting retainer ring (21) is smaller than that of the flange (13), and the diameter of the outer wall of the limiting retainer ring (21) is larger than that of the flange (13).

4. A manual flange shut-off valve according to claim 1, wherein: the depth of the limiting counter bore (211) in the limiting check ring (21) is 2/3-3/5 of the thickness of the limiting check ring (21).

5. A manual flange shut-off valve according to claim 1, wherein: the clamping jaw (22) consists of a clamping jaw head and a clamping jaw rod, the clamping jaw rod on the clamping jaw (22) is parallel to the central axis of the limiting retainer ring (21), and the center distance from the inner end of the clamping jaw head on the clamping jaw (22) to the central axis of the limiting retainer ring (21) is smaller than the radius of the flange (13).

6. A manual flange shut-off valve according to claim 5, wherein: the claw rod on the claw (22) is a threaded connecting column, cutting grooves are formed in the outer wall, opposite to the claw rod, of the claw rod, the bottom surfaces of the cutting grooves in the two sides of the claw rod abut against the two side walls of the notch (212), and the center distance from the claw rod to the bottom surface of the notch (212) is larger than the diameter of the claw rod; an adjusting groove (221) is formed in the claw rod of the claw (22), the positioning pin shaft (23) is inserted into the adjusting groove (221) of the claw (22), and an adjusting nut (24) is screwed at one end, far away from the claw head, of the claw rod.

7. A manual flange shut-off valve according to claim 1, wherein: the positioning pin shaft (23) is conical, a positioning pin hole which is opposite to the positioning pin shaft (23) and conical is formed in the outer wall of the limiting check ring (21), and the positioning pin shaft (23) is inserted in the positioning pin hole of the limiting check ring (21).

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