CN210566279U - Needle valve capable of collecting impurities - Google Patents

Abstract

The needle valve is a valve which can be accurately adjusted, and particularly relates to a needle valve capable of collecting impurities, which comprises a needle valve body, a handle, a valve body, a valve cover, a valve cap and a valve rod, wherein an accommodating cavity is formed inside the valve body; lower valve rod stretches into the valve body in, lower valve rod lower extreme valve clack has, the valve clack move in holding the chamber the valve body on be equipped with and collect impurity mechanism, holding and being equipped with the inner groovy in the chamber, collection impurity mechanism set up on the inner groovy and be located valve clack one side. The water quality and scale accumulated on the valve body for a long time are cleaned, so that the using effect of the needle valve is optimal.

Description

Needle valve capable of collecting impurities

Technical Field

The utility model relates to a valve especially relates to a needle valve that can collect impurity.

Background

The needle valve is a valve which can be accurately adjusted and has wide application, a valve core of the needle valve is a sharp cone, the sharp cone is inserted into a valve seat like a needle, and the needle valve can bear higher pressure and has good sealing performance than other types of valves, so the needle valve is generally used for sealing gas or liquid media with smaller flow and higher pressure.

Due to the structural relationship of needle valves in the market, accumulated water scale cannot be cleaned in time after long-time use, so that the valve body is blocked, great harm is caused to users, good sealing cannot be realized under the action of high pressure, and leakage sometimes occurs between a valve rod and a valve cap; the valve clack can not be closed to dead phenomenon sometimes, and some mechanisms can generate the phenomenon that the valve clack drops under the high-pressure effect because the valve rod and the valve clack adopt threaded connection, and liquid produces a large amount of leakage between valve rod and valve cap, and the quality of water is influenced easily to quality and incrustation scale that long-time accumulation on the valve body, to these problems, the utility model provides an improve.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a needle valve which can collect impurities.

The utility model adopts the technical proposal that: a needle valve capable of collecting impurities comprises a needle valve body, a handle, a valve body, a valve cover, a valve cap and a valve rod, wherein an accommodating cavity is formed inside the valve body; the lower valve rod extends into the valve body, the lower end of the lower valve rod is provided with a valve clack, and the valve clack moves in the accommodating cavity; in order to clean water quality and scale accumulated on the valve body for a long time, the valve body is provided with an impurity collecting mechanism, the accommodating cavity is provided with an inner groove, and the impurity collecting mechanism is arranged on the inner groove and is positioned on one side of the valve clack.

Preferably, the impurity collecting mechanism comprises a mounting frame, a filter screen and an impurity collecting net, an opening matched with the mounting frame is formed in the valve body, the mounting frame is fixed on the inner groove, the outer frame wall of the upper end of the mounting frame and the surface of the valve body are on the same horizontal line, a semicircular hook is arranged on the outer frame wall of the mounting frame, and the hook and the mounting frame are processed into a whole through welding; first slot and second slot have been seted up on the installing frame, first slot be located second slot front end, filter screen and impurity collect the net and insert respectively in first slot and second slot, rethread threaded connection is fixed in on the installing frame, after the net was collected through filter screen and impurity to the fluid, most water matter and incrustation scale attached to collection impurity mechanism on, after closing the valve body, take out the installing frame and carry out the edulcoration.

Preferably, the lower valve rod is provided with a sealing part, the sealing part is positioned above the valve clack, the diameter of the sealing part is smaller than that of the lower valve rod, the valve clack is in an inverted cone shape, and the valve clack and the lower valve rod are integrally formed; the valve cap pass through threaded connection and be fixed in the valve body, the valve cap with lower valve rod between have first chamber groove and second chamber groove, lower valve rod is in first chamber groove in the activity, the valve clack is in second chamber groove in the activity, the diameter of first chamber groove be less than the diameter of second chamber groove, the taper groove that has cooperation valve clack work on the first chamber groove.

Preferably, the first cavity groove and the second cavity groove are both positioned in the valve cap, the diameter of the valve flap is smaller than that of the second cavity groove, the diameter of the valve flap is larger than that of the first cavity groove, and a first limit point is formed between the first cavity groove and the conical groove.

Preferably, the valve body is provided with a water inlet channel and a water outlet channel, the water inlet channel and the water outlet channel are respectively positioned at the left side and the right side in the valve body, and the water inlet channel is slightly higher than the inner groove; the water outlet channel is communicated with the first cavity groove, a longitudinal water inlet channel is arranged below the valve clack, the water inlet channel is communicated with the longitudinal water inlet channel, a water inlet and a water outlet are arranged on the valve body, and the water inlet and the water outlet are respectively arranged on the valve body.

Preferably, the valve body on set up the back taper recess of cooperation valve clack shutoff, the back taper recess with the valve clack laminate closely, the back taper recess set up in vertical water inlet channel on, back taper groove diameter is less than the diameter of valve clack, back taper recess and vertical water inlet channel form second limit point.

Preferably, the upper valve rod is provided with an inner groove matched with the lower valve rod, the lower valve rod is provided with a connecting part, the connecting part is provided with an annular groove, and the upper valve rod is mechanically connected with the lower valve rod; have gland and gasket on the lower valve rod, gland and gasket install in proper order and lie in the valve cap at lower valve rod, the valve gap passes through threaded connection and installs on the valve cap.

Preferably, the upper valve rod is provided with a threaded hole and a locking screw, the threaded hole and the locking screw are matched with the handle, the handle is arranged on the upper valve rod through the locking screw, and the surface where the handle is arranged is perpendicular to the surface where the upper valve rod is arranged.

Preferably, the valve rod and the valve cover are both provided with a section of thread, the upper valve rod and the valve cover are matched for use, and the upper valve rod is provided with lubricating grease.

To sum up, the utility model discloses beneficial effect does:

1. in order to clean water quality and scale accumulated on the valve body for a long time, the valve body is provided with an impurity collecting mechanism, the accommodating cavity is provided with an inner groove, and the impurity collecting mechanism is arranged on the inner groove and is positioned on one side of the valve clack, so that the using effect of the needle valve is optimal.

2. The lower valve rod stretches into the valve body in, lower valve rod lower extreme valve clack be the inverted cone form, in order to let the seal structure of needle valve more stable, valve clack and lower valve rod integrated into one piece, just so can not take place the phenomenon that the valve clack drops under highly compressed effect.

3. Have the toper recess of cooperation valve clack work on the first chamber groove, during lower valve rod upward movement first chamber groove and toper recess between be formed with first limit point, can play fine sealed effect, further improved valve rod and valve cap leakproofness.

The present invention will be further explained with reference to the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view of the structure A of the present invention shown in FIG. 2;

FIG. 4 is a schematic view of the connection of the middle handle of the present invention;

fig. 5 is an enlarged view of the structure B of the present invention shown in fig. 2.

The labels in the figure are: the valve comprises a needle valve body 1, a handle 2, a valve body 3, a valve cover 4, a valve cap 5, a valve rod 6, a valve clack 7, a gland 8, a gasket 9, a threaded hole 10, a locking screw 11, lubricating grease 12, a collecting mechanism 13, a mounting frame 131, a filter screen 132, an impurity collecting screen 133, a hook 134, a first insertion groove 135, a second insertion groove 136, a water inlet channel 31, a water outlet channel 32, a longitudinal water inlet channel 33, a water inlet 34, a water outlet 35, an inverted conical groove 36, a second limiting point 37, an inner groove 38, an opening 39, a first cavity groove 51, a second cavity groove 52, a conical groove 53, a first limiting point 54, an upper valve rod 61, a lower valve rod 62, a sealing part 63, an inner groove 611, an annular groove 621 and a connecting part 622.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention.

As shown in fig. 1 to 4, fig. 3 is an enlarged view of a structure a of the present invention in fig. 2, the a is a schematic view of the valve flap moving in the second cavity groove 52, fig. 5 is an enlarged view of a structure B of the present invention in fig. 2, the B is a schematic view of a structure of the mounting frame 131, a needle valve capable of collecting impurities comprises a needle valve body 1, a handle 2, a valve body 3, a valve cover 4, a valve cap 5 and a valve rod 6, the valve rod 6 comprises an upper valve rod 61 and a lower valve rod 62, the lower valve rod 62 is disposed at the lower end of the upper valve rod 61, and the upper valve rod 61 and the lower valve rod 62 are fixedly connected and located in the valve cap 5; the valve rod 6 comprises an upper valve rod 61 and a lower valve rod 62, the lower valve rod 62 is arranged at the lower end of the upper valve rod 61, and the upper valve rod 61 and the lower valve rod 62 are fixedly connected and positioned in the bonnet 5; the lower valve rod 62 extends into the valve body 3, the lower end of the lower valve rod 62 is provided with a valve clack 7, and the valve clack 7 moves in the accommodating cavity; in order to clean water quality and scale accumulated on the valve body for a long time, aiming at the problem, the design is that the valve body 3 is additionally provided with a collecting impurity mechanism 13, the accommodating cavity is provided with an inner groove 38, the collecting impurity mechanism 13 is arranged on the inner groove 38 and is positioned on one side of the valve clack 7, the collecting impurity mechanism 13 comprises a mounting frame 131, a filter screen 132 and an impurity collecting screen 133, the valve body 3 is provided with an opening 39, the opening 39 is mainly used for matching with a fixed mounting frame 131, the fixed mounting frame is embedded on the opening, the fixed mounting frame can also be provided with an inner groove on the end surface of the fixed mounting frame for sealing, then a sealing ring is embedded, the mounting frame 131 is arranged on the inner groove 38, the outer frame wall at the upper end of the mounting frame 131 and the surface of the valve body 3 are on the same horizontal line, the outer frame wall of the mounting frame 131 is provided with a semicircular hook 134, and the hook 134 is processed into a whole with the mounting frame, thus, the user can conveniently take the mounting frame 131; the installation frame 131 is provided with a first slot 135 and a second slot 136, the first slot 135 is located at the front end of the second slot 136, the filter screen 132 and the impurity collecting net 133 are respectively inserted into the first slot 135 and the second slot 136 and then fixed on the installation frame 131 through threaded connection, a fluid space is formed between the impurity collecting net 133 and the inner groove 38, fluid firstly passes through the filter screen 132 and then reaches the impurity collecting net 133, the fluid directly passes through the impurity collecting net 133 due to the self flow rate, the fluid collides with the side wall of the inner groove 38 and flows back to the impurity collecting mechanism 13 to carry out secondary impurity collection, the fluid finally comes out from the impurity collecting net 133 and the filter screen 132, most of water and scale are attached to the impurity collecting mechanism 13, after the valve body 3 is closed, the installation frame 131 is taken out to realize impurity removal, and the impurity collecting net is formed by a stainless metal wire mesh, is a product in the prior art and is not explained.

The valve clack 7 is provided with a sealing part 63, the diameter of the sealing part 63 is smaller than that of the lower valve rod 62, sealing is formed between the sealing section 63 and the valve cover 4, the valve clack 7 is in an inverted cone shape, and in order to enable the sealing structure of the needle valve to be more stable, the valve clack 7 and the lower valve rod 62 are integrally formed, so that the technical problem that the valve clack 7 is damaged in the using process is solved; the bonnet 5 is fixed in the valve body 3 through a threaded connection, a first cavity groove 51 and a second cavity groove 52 are arranged between the bonnet 5 and the lower valve rod 62, the lower valve rod 62 moves in the first cavity groove 51, the valve clack 7 moves in the second cavity groove 52, the diameter of the first cavity groove 51 is smaller than that of the second cavity groove 52, the first cavity groove 51 is provided with a conical groove 53 which is matched with the valve clack 7 to work, so that the valve can be suitable for application under the condition of high-pressure fluid, the first cavity groove 51 and the second cavity groove 52 are both positioned in the bonnet 5, the diameter of the valve clack 7 is smaller than that of the second cavity groove 52, the diameter of the first cavity groove 51 is larger than that of the first cavity groove 7, and when the lower valve rod 62 moves upwards for the fluid on a needle valve, a first limit point 54 is formed between the first cavity groove 51 and the conical groove 53, so that the valve clack has a sealing function, the valve flap 7 is clamped on the first limit point 54 to block fluid, and the first limit point 54 can play a good sealing role under the action of high-pressure fluid.

The valve body 3 is provided with a water inlet channel 31 and a water outlet channel 32, the water inlet channel 31 and the water outlet channel 32 are respectively positioned at the left side and the right side in the valve body 3, the water outlet channel 31 is communicated with a first cavity groove 51, a longitudinal water inlet channel 33 is arranged below the valve clack 7, the water inlet channel 33 is slightly higher than an inner groove 38, so that better circulation of fluid is facilitated, the impurity removal efficiency of the impurity collecting mechanism 13 is improved, the water inlet channel 31 is communicated with the longitudinal water inlet channel 33, the valve body 3 is provided with a water inlet 34 and a water outlet 35, the water inlet 34 and the water outlet 35 are respectively arranged on the valve body 3, the tightness is tested by using nitrogen gas, the tightness of the water inlet channel 31 and the water outlet channel 32 is checked, the fluid reaches the water inlet channel 31 through the water inlet and then reaches the water outlet channel 32 through the longitudinal water inlet channel 33, and finally comes out from the water outlet 35, valve body 3 on open and to have back taper recess 36, back taper recess 36 cooperation valve clack 7 carry out the shutoff, back taper recess 36 and valve clack 7 closely laminate, back taper recess 36 set up in vertical water inlet channel 33 on, back taper recess 36 diameter is less than the diameter of valve clack 7, back taper recess 36 and vertical water inlet channel 33 form second limit point 37, second limit point 37 mainly solved the leakage problem between valve rod 6 and the valve bonnet 5.

The upper valve rod 61 is provided with an inner groove 611, the inner groove 611 is used for matching and installing the lower valve rod 62, the lower valve rod is provided with a connecting part 622, the connecting part 622 is provided with an annular groove 621, and the upper valve rod 61 and the lower valve rod 62 are connected mechanically; have gland 8 and gasket 9 on the lower valve rod 62, gland 8 and gasket 9 install in proper order that lower valve rod 62 is located valve cap 5, valve cap 4 installs on valve cap 5 through threaded connection, has screw hole 10 and the locking screw 11 of cooperation installation handle 1 on the upper valve rod 61, handle 1 install on upper valve rod 61 through screw hole 10 and locking screw 11 to the face at handle 1 place and the face at upper valve rod 61 place are perpendicular, upper valve rod 61 and valve cap 4 on all be equipped with one section screw thread, upper valve rod 61 and valve cap 4 supporting use, upper valve rod 61 grease 12 has, grease 12 mainly carry out a lubrication, protection and sealing to upper valve rod 61 and valve cap 4.

The working principle is as follows: in a working state, the handle 1 rotates to drive the upper valve rod 61 to move upwards, the upper valve rod 61 drives the lower valve rod 62 to move upwards, and the valve clack 7 is clamped at the first limiting point 54 to discharge water; the handle 1 is rotated to make the valve rod 6 move downwards, the valve clack 7 is blocked at the second limit point 37 to block the longitudinal channel 33, so that the fluid cannot be conducted; the fluid passes through the filter screen 132 firstly, then reaches the impurity collecting net 133, the fluid directly passes through the impurity collecting net 133 due to the self flow velocity, the fluid collides with the side wall of the inner groove 38, flows back to the impurity collecting mechanism 13, and carries out secondary impurity collection, the fluid finally comes out from the impurity collecting net 133 and the filter screen 132, most of water and water scale are attached to the impurity collecting mechanism 13, and after the valve body 3 is closed, the mounting frame 131 is taken out to realize impurity removal.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concept is not limited to this embodiment, and any modification that utilizes the inventive concept is intended to be within the scope of the present patent application.

Claims (9)

1. A needle valve capable of collecting impurities comprises a needle valve body, a handle, a valve body, a valve cover, a valve cap and a valve rod, wherein an accommodating cavity is formed inside the valve body; the lower valve rod extends into the valve body, the lower end of the lower valve rod is provided with a valve clack, and the valve clack moves in the accommodating cavity; the valve body is provided with an impurity collecting mechanism, the accommodating cavity is provided with an inner groove, and the impurity collecting mechanism is arranged on the inner groove and is positioned on one side of the valve clack.

2. A needle valve for collecting impurities according to claim 1, wherein: the impurity collecting mechanism comprises a mounting frame, a filter screen and an impurity collecting net, an opening matched with the mounting frame is formed in the valve body, the mounting frame is fixed on the inner groove, the outer frame wall of the upper end of the mounting frame and the surface of the valve body are on the same horizontal line, a semicircular hook is arranged on the outer frame wall of the mounting frame, and the hook and the mounting frame are processed into a whole through welding; the mounting frame is provided with a first slot and a second slot, the first slot is positioned at the front end of the second slot, the filter screen and the impurity collecting screen are respectively inserted into the first slot and the second slot and then are fixed on the mounting frame through threaded connection.

3. A needle valve for collecting impurities according to claim 1, wherein: the lower valve rod is provided with a sealing part, the sealing part is positioned above the valve clack, the diameter of the sealing part is smaller than that of the lower valve rod, the valve clack is in an inverted cone shape, and the valve clack and the lower valve rod are integrally formed; the valve cap pass through threaded connection and be fixed in the valve body, the valve cap with lower valve rod between have first chamber groove and second chamber groove, lower valve rod is in first chamber groove in the activity, the valve clack is in second chamber groove in the activity, the diameter of first chamber groove be less than the diameter of second chamber groove, the taper groove that has cooperation valve clack work on the first chamber groove.

4. A needle valve for collecting impurities according to claim 3, wherein: the first cavity groove and the second cavity groove are both positioned in the valve cap, the diameter of the valve flap is smaller than that of the second cavity groove, the diameter of the valve flap is larger than that of the first cavity groove, and a first limiting point is formed between the first cavity groove and the conical groove.

5. A needle valve for collecting impurities according to claim 1, wherein: the valve body is provided with a water inlet channel and a water outlet channel, the water inlet channel and the water outlet channel are respectively positioned at the left side and the right side in the valve body, and the water inlet channel is slightly higher than the inner groove; the water outlet channel is communicated with the first cavity groove, a longitudinal water inlet channel is arranged below the valve clack, the water inlet channel is communicated with the longitudinal water inlet channel, a water inlet and a water outlet are arranged on the valve body, and the water inlet and the water outlet are respectively arranged on the valve body.

6. The needle valve of claim 5, wherein: the valve body on set up the back taper recess of cooperation valve clack shutoff, the back taper recess with the valve clack laminate closely, the back taper recess set up in vertical water inlet channel on, back taper groove diameter is less than the diameter of valve clack, back taper recess and vertical water inlet channel form second limit point.

7. A needle valve for collecting impurities according to claim 1, wherein: the upper valve rod is provided with an inner groove matched with and provided with the lower valve rod, the lower valve rod is provided with a connecting part, the connecting part is provided with an annular groove, and the upper valve rod is mechanically connected with the lower valve rod; have gland and gasket on the lower valve rod, gland and gasket install in proper order and lie in the valve cap at lower valve rod, the valve gap passes through threaded connection and installs on the valve cap.

8. The needle valve of claim 7, wherein: the upper valve rod is provided with a threaded hole and a locking screw which are matched with the handle, the handle is arranged on the upper valve rod through the locking screw, and the surface where the handle is arranged is vertical to the surface where the upper valve rod is arranged.

9. A needle valve for collecting impurities according to claim 1, wherein: the valve rod and the valve cover are both provided with a section of thread, the upper valve rod is matched with the valve cover for use, and the upper valve rod is provided with lubricating grease.

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