CN215763310U

CN215763310U - Needle valve convenient to installation

Info

Publication number: CN215763310U
Application number: CN202121890114.XU
Authority: CN
Inventors: 王仕通
Original assignee: Ningbo Keshengli Stainless Steel Pipe And Valve Co ltd
Current assignee: Ningbo Keshengli Stainless Steel Pipe And Valve Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-02-08
Anticipated expiration: 2031-08-13

Abstract

The utility model relates to a needle valve convenient to install, which comprises a valve body, a valve sleeve, a valve rod, a packing assembly, a valve needle, a gland and a knob, wherein the valve sleeve is sealed and vertically embedded at the top of the valve body; the two pipe joints can rotate 360 degrees on a vertical plane by virtue of the two valve blocks so as to adapt to the trend of a feeding pipeline and a discharging pipeline, so that the installation is greatly simplified to achieve the effects of saving time and labor.

Description

Needle valve convenient to installation

Technical Field

The utility model relates to a needle valve convenient to install.

Background

The needle valve is an important component in an instrument measuring pipeline system and has the function of opening or cutting off a pipeline passage; the position of the feed inlet and the discharge gate of current needle type valve is all fixed, can't adjust as required, in case inconsistent with the trend of charge-in pipeline and ejection of compact pipeline, can only adjust the trend of charge-in pipeline and ejection of compact pipeline, causes the installation comparatively troublesome, wastes time and energy, treats in further improvement.

SUMMERY OF THE UTILITY MODEL

In view of the current situation of the prior art, the technical problem to be solved by the present invention is to provide a needle valve which can adjust the positions of two pipe joints according to actual needs to adapt to the trend of a feeding pipeline and a discharging pipeline, thereby greatly simplifying installation to achieve time-saving and labor-saving effects and being convenient to install.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a needle valve convenient to install comprises a valve body, a valve sleeve which is sealed and vertically embedded at the top of the valve body, a valve rod which is vertically and spirally inserted in the valve sleeve, a packing component which is embedded at the top of the valve body and is positioned below the valve sleeve, a valve needle which is vertically and spirally inserted in the packing component, a gland which is sleeved outside the valve rod and is sleeved outside the upper end of the valve sleeve, and a knob which is fixed at the upper end of the valve rod and is positioned above the gland, wherein the upper end of the valve needle is concentrically inserted and fixed at the lower end of the valve rod, the needle valve is characterized in that the left side and the right side of the valve body are respectively provided with a first conical counter bore, the centers of the bottom surfaces of the two first conical counter bores are respectively provided with a first counter bore, the centers of the bottoms of the two first counter bores are respectively inserted and fixed with a shaft rod which is transversely arranged, the outer parts of the left side and the right side of the valve body are respectively provided with a valve block, and the inner end of each valve block is outwards formed with a conical head, the center of the end part of the conical head is provided with a shaft hole, and the inner diameter of the shaft hole is larger than the outer diameter of the shaft rod; a second conical counter bore is formed in the center of the right end of the conical head, the second conical counter bore and the shaft hole are concentrically arranged and are communicated with each other, a plurality of first sealing rings are further sleeved on the outer wall of the conical head, the conical heads on the two valve blocks are respectively inserted into the two first conical counter bores, and the outer side of each first sealing ring is tightly attached to the inner wall of the corresponding first conical counter bore; the end parts of the two shaft levers respectively penetrate through the two shaft holes and respectively extend out of the two second conical counter bores; the two second conical counter bores are respectively provided with a conical block, the outer wall of each conical block is sleeved with a plurality of second sealing rings, the outer side of each second sealing ring is tightly attached to the inner wall of the corresponding second conical counter bore, and the two conical blocks are respectively detachably fixed at the end parts of the two shaft levers; the top of the valve body is provided with a sinking cavity, the packing assembly is embedded at the bottom of the sinking cavity, the bottom of the valve sleeve is embedded in the opening of the sinking cavity and tightly pressed at the top of the packing assembly, the center of the bottom surface of the sinking cavity is provided with a discharging cavity, and the center of the bottom surface of the discharging cavity is provided with a feeding cavity; the lower end of the valve needle penetrates through the discharging cavity and is movably inserted into the opening of the feeding cavity, the outer wall of the lower end of the valve needle is matched with the edge of the opening of the feeding cavity, a discharging channel is formed between the bottom surface of the first counter bore on the left side and the inner wall of the discharging cavity, and a first feeding channel is formed between the bottom surface of the first counter bore on the right side and the inner wall of the feeding cavity; the outer walls of the two valve blocks are provided with second counter bores, a second feeding channel is arranged between the bottom of each second counter bore and the inner wall of a corresponding shaft hole, and the opening of each second counter bore is connected with a pipe joint in an inserted mode.

Preferably, the centers of the end parts of the two shaft levers are outwards formed with a square neck part, correspondingly, the centers of the inner ends of the two conical blocks are respectively provided with a square counter bore, and the two square neck parts are respectively and movably inserted into the square counter bores on the two conical blocks.

Preferably, the centers of the outer ends of the two conical blocks are provided with third counter bores, the two third counter bores are provided with bolts, correspondingly, the centers of the end parts of the two square necks are provided with threaded holes, and the threaded ends of the two bolts are inserted into the two threaded holes respectively in a threaded manner.

Preferably, the two third counter bores are respectively provided with a third sealing ring, the two third sealing rings are respectively sleeved on the thread ends of the two bolts, the inner sides of the third sealing rings are pressed on the bottom surfaces of the third counter bores, and the outer sides of the third sealing rings are pressed on the inner sides of the heads of the bolts.

Compared with the prior art, the utility model has the advantages that: the two pipe joints can rotate on the vertical plane for 360 degrees by means of the two valve blocks, so that the positions of the two pipe joints can be adjusted according to actual needs to adapt to the trends of the feeding pipeline and the discharging pipeline, the trends of the feeding pipeline and the discharging pipeline do not need to be adjusted, and the installation is greatly simplified to achieve the effects of saving time and labor.

Drawings

FIG. 1 is a front sectional view of the present invention.

Detailed Description

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the utility model have been omitted.

As shown in fig. 1, a needle valve convenient to install comprises a valve body 1, a valve sleeve 2 which is sealed and vertically embedded at the top of the valve body 1, a valve rod 4 which is vertically and penetratingly screwed in the valve sleeve 2, a packing assembly 6 which is embedded at the top of the valve body 1 and is positioned below the valve sleeve 2, a valve needle 7 which is vertically and penetratingly arranged in the packing assembly 6, a gland 3 which is sleeved outside the valve rod 4 and is screwed outside the upper end of the valve sleeve 2, and a knob 5 which is fixed at the upper end of the valve rod 4 and is positioned above the gland 3, wherein the upper end of the valve needle 7 is concentrically inserted and fixed at the lower end of the valve rod 4; the left side and the right side of the valve body 1 are respectively provided with a first conical counter bore 104 which are concentrically arranged, the centers of the bottom surfaces of the two first conical counter bores 104 are respectively provided with a first counter bore 105, the centers of the bottoms of the two first counter bores 105 are respectively inserted and fixed with a shaft rod 9 which is transversely arranged, the outer parts of the left side and the right side of the valve body 1 are respectively provided with a valve block 8, the inner end of each valve block 8 outwards forms a conical head 81, the center of the end part of each conical head 81 is provided with a shaft hole 82, and the inner diameter of each shaft hole 82 is larger than the outer diameter of the shaft rod 9; a second conical counter bore 83 is formed in the center of the right end of the conical head, the second conical counter bore 83 is concentrically arranged with the shaft hole 82 and communicated with the shaft hole 82, a plurality of first sealing rings 10 are further sleeved on the outer wall of the conical head 81, the conical heads 81 on the two valve blocks 8 are respectively inserted into the two first conical counter bores 104, and the outer side of each first sealing ring 10 is tightly attached to the inner wall of the corresponding first conical counter bore 104; the ends of the two shaft levers 9 respectively pass through the two shaft holes 82 and respectively extend out of the two second conical counterbores 83; the two second conical counterbores 83 are respectively provided with a conical block 11, the outer wall of each conical block 11 is also sleeved with a plurality of second sealing rings 13, the outer side of each second sealing ring 13 is tightly attached to the inner wall of the corresponding second conical counterbore 83, and the two conical blocks 11 are respectively detachably fixed at the end parts of the two shaft levers 9; the top of the valve body 1 is provided with a sinking cavity 101, the packing component 6 is embedded at the bottom of the sinking cavity 101, the bottom of the valve sleeve 2 is embedded in the opening of the sinking cavity 101 and is tightly pressed at the top of the packing component 6, the center of the bottom surface of the sinking cavity 101 is provided with a discharging cavity 102, and the center of the bottom surface of the discharging cavity 102 is provided with a feeding cavity 103; the lower end of the valve needle 7 penetrates through the discharging cavity 102 and is movably inserted into the opening of the feeding cavity 103, the outer wall of the lower end of the valve needle 7 is matched with the edge of the opening of the feeding cavity 103, a discharging channel 107 is formed between the bottom surface of a first counter bore 105 on the left side and the inner wall of the discharging cavity 102, and a first feeding channel 106 is formed between the bottom surface of a first counter bore 105 on the right side and the inner wall of the feeding cavity 103; the outer walls of the two valve blocks 8 are provided with second counter bores 84, a second feeding channel 85 is arranged between the bottom of each second counter bore 84 and the inner wall of the corresponding shaft hole 82, and the opening of each second counter bore 84 is connected with a pipe joint 14 in an inserted mode.

The end centers of the two shaft levers 9 are outwards formed with a square neck 91, correspondingly, the centers of the inner ends of the two conical blocks 11 are respectively provided with a square counter bore 111, and the two square neck 91 are respectively movably inserted into the square counter bores 111 on the two conical blocks 11.

A third counter bore 112 has all been seted up at the outer end center of two conical blocks 11, still all is equipped with a bolt 12 in two third counter bores 112, correspondingly, a screw hole 92 has all been seted up at the tip center of two square necks 91, and the screwed end of two bolts 12 inserts the spiro union respectively in two screw holes 92.

A third sealing ring 15 is further arranged in each of the two third counter bores 112, the two third sealing rings 15 are respectively sleeved on the threaded ends of the two bolts 12, the inner sides of the third sealing rings 15 are pressed on the bottom surfaces of the third counter bores 112, and the outer sides of the third sealing rings 15 are pressed on the inner sides of the heads of the bolts 12.

The working principle is as follows: the outlet pipe is connected to the left-hand pipe connection 14, the inlet pipe is connected to the right-hand pipe connection 14, the material is introduced via the inlet pipe and the pipe connection 14 into the second inlet channel 85 in the right-hand valve block 8, is introduced via the gap between the right-hand shaft bore 82 and the right-hand shaft 9 into the right-hand first counterbore 105, and is introduced via the first inlet channel 106 into the inlet chamber 103.

Then, the knob 5 is held by hand and rotated to drive the valve rod 4 to rotate, and then the valve rod 4 is driven to move upwards according to the principle of threaded connection, so as to drive the valve needle 7 to move upwards to cause a gap to appear between the lower end of the valve needle and the opening of the feeding cavity 103, and further cause the material in the feeding cavity 103 to enter the discharging cavity 102 through the gap, which is the prior art.

The material in the discharging cavity 102 enters a first counter bore 105 on the left side through a discharging channel 107, enters a second feeding channel 85 in a valve block 8 on the left side through a gap between a shaft hole 82 on the left side and a shaft rod 9 on the left side, and finally is output outwards through a pipe joint 14 on the left side and the discharging channel.

Because valve block 8 can rotate around axostylus axostyle 9, so 360 degrees rotations can all be realized on vertical plane to two coupling 14, consequently when the installation, if there is the dislocation in the trend of charge-in pipeline and ejection of compact pipeline and the position of two coupling 14, can rotate the position of two coupling 14 so that both mutually support with the trend of charge-in pipeline and ejection of compact pipeline respectively, finally accomplish to connect in order to facilitate the use.

According to the utility model, the two pipe joints 14 can rotate 360 degrees on a vertical plane by means of the two valve blocks 8, so that the positions of the two pipe joints 14 can be adjusted according to actual needs to adapt to the trends of the feeding pipeline and the discharging pipeline, and the trends of the feeding pipeline and the discharging pipeline do not need to be adjusted, thereby greatly simplifying installation and achieving the effects of saving time and labor.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A needle valve convenient to install comprises a valve body, a valve sleeve which is sealed and vertically embedded at the top of the valve body, a valve rod which is vertically and spirally inserted in the valve sleeve, a packing component which is embedded at the top of the valve body and is positioned below the valve sleeve, a valve needle which is vertically and spirally inserted in the packing component, a gland which is sleeved outside the valve rod and is sleeved outside the upper end of the valve sleeve, and a knob which is fixed at the upper end of the valve rod and is positioned above the gland, wherein the upper end of the valve needle is concentrically inserted and fixed at the lower end of the valve rod, the needle valve is characterized in that the left side and the right side of the valve body are respectively provided with a first conical counter bore, the centers of the bottom surfaces of the two first conical counter bores are respectively provided with a first counter bore, the centers of the bottoms of the two first counter bores are respectively inserted and fixed with a shaft rod which is transversely arranged, the outer parts of the left side and the right side of the valve body are respectively provided with a valve block, and the inner end of each valve block is outwards formed with a conical head, the center of the end part of the conical head is provided with a shaft hole, and the inner diameter of the shaft hole is larger than the outer diameter of the shaft rod; a second conical counter bore is formed in the center of the right end of the conical head, the second conical counter bore and the shaft hole are concentrically arranged and are communicated with each other, a plurality of first sealing rings are further sleeved on the outer wall of the conical head, the conical heads on the two valve blocks are respectively inserted into the two first conical counter bores, and the outer side of each first sealing ring is tightly attached to the inner wall of the corresponding first conical counter bore; the end parts of the two shaft levers respectively penetrate through the two shaft holes and respectively extend out of the two second conical counter bores; the two second conical counter bores are respectively provided with a conical block, the outer wall of each conical block is sleeved with a plurality of second sealing rings, the outer side of each second sealing ring is tightly attached to the inner wall of the corresponding second conical counter bore, and the two conical blocks are respectively detachably fixed at the end parts of the two shaft levers; the top of the valve body is provided with a sinking cavity, the packing assembly is embedded at the bottom of the sinking cavity, the bottom of the valve sleeve is embedded in the opening of the sinking cavity and tightly pressed at the top of the packing assembly, the center of the bottom surface of the sinking cavity is provided with a discharging cavity, and the center of the bottom surface of the discharging cavity is provided with a feeding cavity; the lower end of the valve needle penetrates through the discharging cavity and is movably inserted into the opening of the feeding cavity, the outer wall of the lower end of the valve needle is matched with the edge of the opening of the feeding cavity, a discharging channel is formed between the bottom surface of the first counter bore on the left side and the inner wall of the discharging cavity, and a first feeding channel is formed between the bottom surface of the first counter bore on the right side and the inner wall of the feeding cavity; the outer walls of the two valve blocks are provided with second counter bores, a second feeding channel is arranged between the bottom of each second counter bore and the inner wall of a corresponding shaft hole, and the opening of each second counter bore is connected with a pipe joint in an inserted mode.

2. The needle valve convenient to install as claimed in claim 1, wherein the centers of the ends of the two shaft rods are respectively formed with a square neck portion, correspondingly, the centers of the inner ends of the two conical blocks are respectively provided with a square counter bore, and the two square neck portions are respectively movably inserted into the square counter bores on the two conical blocks.

3. The needle valve convenient to install as claimed in claim 2, wherein a third counter bore is formed in the center of the outer end of each of the two conical blocks, a bolt is further disposed in each of the two third counter bores, correspondingly, a threaded hole is formed in the center of the end of each of the two square neck portions, and the threaded ends of the two bolts are respectively inserted into and screwed into the two threaded holes.

4. The needle valve convenient to install as claimed in claim 3, wherein a third sealing ring is further disposed in each of the two third counter bores, the two third sealing rings are respectively sleeved on the threaded ends of the two bolts, the inner side of each third sealing ring is pressed against the bottom surface of the corresponding third counter bore, and the outer side of each third sealing ring is pressed against the inner side of the head of the bolt.