CN219755485U

CN219755485U - Dustproof chemical valve

Info

Publication number: CN219755485U
Application number: CN202320347660.1U
Authority: CN
Inventors: 蔡胜利
Original assignee: Guangdong Lichen Aowei Industrial Co ltd
Current assignee: Guangdong Lichen Aowei Industrial Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-09-26
Anticipated expiration: 2033-02-28

Abstract

The utility model relates to the technical field of chemical valves and discloses a dustproof chemical valve which comprises a valve body, a valve handle, a circumferential rotating mechanism, a connecting seat, a half cover body, side plates, a sealing strip, steps, a rubber sealing ring and a clamping ring. The two half covers are closed and detachably connected with the valve handle, a sealing strip is arranged on a first connecting seam formed by closing the half covers, and then the sealing strip is sealed in a second connecting seam formed by two steps through a rubber sealing ring. The structure of the utility model can avoid the installation of corresponding parts on the valve rod, thereby leading to too many parts to make the valve frame incapable of being installed; meanwhile, the half cover body can be detachably connected to the valve handle after the valve body, the valve frame, the valve rod, the valve handle and other parts are installed; the half cover body rotates and drives the circumferential rotating mechanism to rotate, so that the abrasion of the joint of the half cover body and the circumferential rotating mechanism is avoided, and a gap is formed; and the connecting joints formed by the components can be plugged through the sealing strips and the rubber sealing rings, so that the dustproof effect is further improved.

Description

Dustproof chemical valve

Technical Field

The utility model relates to the technical field of chemical valves, in particular to a dustproof chemical valve.

Background

The coal chemical industry is industry in which coal is used as a raw material, and is converted into gas, liquid, solid fuel and chemicals through chemical processing to produce various chemical products, and the coal chemical industry comprises traditional coal chemical industry and novel coal chemical industry. The valve is the pipeline annex that is used for switching pipeline, control flow direction, regulation and control conveying medium's parameter (temperature, pressure and flow), generally, the valve rod of traditional valve and valve rod frame junction can appear tiny space to lead to the sealed effect of valve to be poor, when the place work that the environment is abominable, it is unavoidable to have dust, silt and sewage etc. enter into the control part of valve, make the control effect of valve be poor, influence the sealed effect of valve, lead to the sealed leakage in valve rod department to the valve rod very easily cause wearing and tearing, thereby influence the sealing reliability of valve. In order to solve the problem, the patent document with publication number CN 211852956U discloses a novel coal chemical industry valve dustproof device, which comprises a valve rod frame, a valve rod, a first fixed ring, a second fixed ring, a first ball, a connecting cylinder, a dustproof cover plate, a through hole, a dust removal sealing groove, a sealing layer, a dust removal layer, a bonding ring plate, a longitudinal circular groove, a longitudinal sealing ring, an isolation dust removal ring, a first ball groove body and a second ball, and achieves the dustproof and dust removal effect. However, the existing valve body is generally provided with a valve body, a valve frame, a valve rod, a valve handle and other parts, wherein after the inner end of the valve rod is installed with other adjusting parts of the valve, the valve frame is covered on the valve body, the valve rod penetrates through the valve frame, and finally, the valve handle is installed on the valve rod. In the structure in the prior art, the dustproof cover plate is connected to the valve rod through the connecting cylinder in a threaded manner, and if the dustproof cover plate needs to be removed and maintained, the valve can be removed; meanwhile, the joint ring plate, the longitudinal sealing ring and the valve frame are directly jointed, and abrasion can occur to cause gaps to appear under the condition that the valve rod rotates for a long time, so that the dustproof effect is reduced.

Disclosure of Invention

The utility model mainly provides a dustproof chemical valve, which solves the problems that in the prior art, a dustproof cover plate is detached and maintained and the valve can be detached; meanwhile, the joint ring plate, the longitudinal sealing ring and the valve frame are directly jointed, and the problem that gaps appear due to abrasion and the dustproof effect is reduced as the valve rod rotates for a long time.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the dustproof chemical valve comprises a valve body and a valve handle, wherein a circumferential rotating mechanism is arranged on the valve body, a connecting seat is arranged on the valve handle, two half covers are detachably connected to the connecting seat, and side plates are arranged at the bottoms of the two half covers; the two half lid junctions form first joint seam, be equipped with the closure strip that is used for sealedly on the first joint seam, curb plate downside and circumference slewing mechanism junction form the second joint seam, correspond curb plate and circumference slewing mechanism of second joint seam both sides have all seted up the step, two the joint has the rubber seal who is used for sealedly in the step, the step outside is equipped with and is used for preventing the snap ring of rubber seal. The sealing strip may be made of any material, as long as sealing the first connecting seam can be achieved, for example: the metal is arranged on the two half covers to seal the first connecting seam, or the adhesive tape is directly stuck on the two half covers at the first connecting seam to form a seal, etc. The rubber sealing ring can be pressed into the two steps to be clamped and closed, or is mounted on the step of the circumferential rotation mechanism in advance before the half cover body is mounted, and the rubber sealing ring can be prevented from falling off by itself through the clamping ring. When the sealing device is used, the two half covers are closed and detachably connected with the valve handle, the sealing strip is arranged on the first connecting seam formed by closing the half covers, and then the sealing strip is sealed in the second connecting seam formed by two steps through the rubber sealing ring. The structure of the utility model can avoid the installation of corresponding parts on the valve rod, thereby leading to too many parts to make the valve frame incapable of being installed; meanwhile, the half cover body can be detachably connected to the valve handle after the valve body, the valve frame, the valve rod, the valve handle and other parts are installed; the half cover body rotates and drives the circumferential rotating mechanism to rotate, so that the abrasion of the joint of the half cover body and the circumferential rotating mechanism is avoided, and a gap is formed; and the connecting joints formed by the components can be plugged through the sealing strips and the rubber sealing rings, so that the dustproof effect is further improved.

Further, the circumference slewing mechanism is including installing the installation ring between valve body and valve frame, set up in the annular slab in the installation ring outside, the cover is equipped with dustproof bearing on the annular slab, install the connecting plate on the dustproof bearing, connecting plate and curb plate junction form the second joint seam. A through hole through which the valve rod penetrates is arranged in the middle of the mounting circular ring. The circumferential rotation mechanism that sets up like this can be fixed in the valve body and the valve frame between need not change other structures of valve body through the installation ring to and realize letting connecting plate cooperation curb plate rotate through dustproof bearing.

Further, a clamping groove for clamping the two half covers is formed in the connecting seat, a dustproof rubber ring is mounted on the connecting seat corresponding to the upper side of the clamping groove, and the dustproof rubber ring is attached to the upper surfaces of the two half covers after being clamped. The setting like this can be with the convenient installation of half lid joint in the draw-in groove, realizes preventing dust through the laminating of dustproof rubber ring simultaneously.

Further, a connecting hole is formed in one of the half cover bodies, a connecting through hole corresponding to the connecting hole is formed in the other half cover body, and the connecting hole is connected with a connecting screw rod through internal threads of the connecting through hole. By means of the arrangement, the two half covers can be well fixed, and the fixing structure is stable.

Further, a plurality of positioning protrusions are arranged on the connecting plate, and positioning grooves matched with the positioning protrusions are formed in the inner sides of the side plates. The arrangement can play a guiding role in installation, and meanwhile, the friction between the connecting plate and the side plate is prevented.

The beneficial effects are that: the structure of the utility model can avoid the installation of corresponding parts on the valve rod, thereby leading to too many parts to make the valve frame incapable of being installed; meanwhile, the half cover body can be detachably connected to the valve handle after the valve body, the valve frame, the valve rod, the valve handle and other parts are installed; the half cover body rotates and drives the circumferential rotating mechanism to rotate, so that the abrasion of the joint of the half cover body and the circumferential rotating mechanism is avoided, and a gap is formed; and the connecting joints formed by the components can be plugged through the sealing strips and the rubber sealing rings, so that the dustproof effect is further improved.

Drawings

FIG. 1 is a schematic diagram of the installation of any half of the cover of the present embodiment;

FIG. 2 is a schematic cross-sectional view of a half cover of the present embodiment;

FIG. 3 is a schematic top view of the half cover of the present embodiment;

fig. 4 is an enlarged schematic diagram of fig. 1 a according to this embodiment.

In the figure: valve body 1, valve handle 2, connecting seat 3, half lid 4, curb plate 5, closure strip 6, step 7, rubber seal 8, snap ring 9, installation ring 10, annular plate 11, dust bearing 12, connecting plate 13, dust rubber ring 14, connecting hole 15, connecting screw 16, location arch 17, valve frame 18, valve rod 19.

Detailed Description

The technical scheme of the dustproof chemical valve related to the utility model is further described in detail below by combining the embodiments.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, 2, 3 and 4, the dustproof chemical valve of the embodiment comprises a valve body 1 and a valve handle 2, wherein a circumferential rotating mechanism is arranged on the valve body 1, a connecting seat 3 is arranged on the valve handle 2, two half cover bodies 4 are detachably connected on the connecting seat 3, and side plates 5 are arranged at the bottoms of the two half cover bodies 4; two the junction of half lid 4 forms first joint seam, be equipped with on the first joint seam and be used for sealed closure strip 6, curb plate 5 downside and circumference slewing mechanism junction form the second joint seam, correspond curb plate 5 and circumference slewing mechanism of second joint seam both sides all have seted up step 7, two joint has in the step 7 is used for sealed rubber seal 8, the step 7 outside is equipped with and is used for preventing the snap ring 9 of rubber seal 8. The circumferential rotating mechanism comprises a mounting circular ring 10 arranged between the valve body 1 and a valve frame 18, a ring plate 11 arranged on the outer side of the mounting circular ring 10, a dustproof bearing 12 is sleeved on the ring plate 11, a connecting plate 13 is arranged on the dustproof bearing 12, and a second connecting joint is formed at the joint of the connecting plate 13 and the side plate 5. The connecting seat 3 is provided with a clamping groove for clamping the two half cover bodies 4, the connecting seat 3 corresponding to the upper side of the clamping groove is provided with a dustproof rubber ring 14, and the dustproof rubber ring 14 is attached to the upper surfaces of the two half cover bodies 4 after being clamped. One of the half covers 4 is provided with a connecting hole 15, the other half cover 4 is provided with a connecting through hole corresponding to the connecting hole 15, and the connecting hole 15 and the connecting through hole are internally connected with a connecting screw rod 16 in a threaded manner. A plurality of positioning protrusions 17 are arranged on the connecting plate 13, and positioning grooves matched with the positioning protrusions 17 are formed in the inner side of the side plate 5. When in use, the two half covers 4 are closed and detachably connected with the valve handle 2, the sealing strip 6 is arranged on the first connecting seam formed by closing the half covers 4, and then the sealing strip is sealed in the second connecting seam formed by arranging the rubber sealing ring 8 on the two steps 7. The structure of the utility model can avoid the installation of corresponding parts on the valve rod 19, thereby leading to too many parts to make the valve frame 18 incapable of being installed; meanwhile, the half cover body 4 can be detachably connected to the valve handle 2 after the valve body 1, the valve frame 18, the valve rod 19, the valve handle 2 and other parts are installed; the half cover body 4 rotates and drives the circumferential rotating mechanism to rotate, so that the abrasion of the joint of the half cover body and the circumferential rotating mechanism is avoided, and a gap is formed; and the connecting seam formed by each part can be blocked through the sealing strip 6 and the rubber sealing ring 8, so that the dustproof effect is further improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dustproof chemical industry valve, includes valve body (1) and valve handle (2), its characterized in that: the valve is characterized in that a circumferential rotating mechanism is arranged on the valve body (1), a connecting seat (3) is arranged on the valve handle (2), two half cover bodies (4) are detachably connected to the connecting seat (3), and side plates (5) are arranged at the bottoms of the two half cover bodies (4); two the junction of half lid (4) forms first joint seam, be equipped with on the first joint seam and be used for sealed sealing strip (6), curb plate (5) downside and circumference slewing mechanism junction form the second joint seam, correspond curb plate (5) and circumference slewing mechanism of second joint seam both sides have all seted up step (7), two joint has rubber seal (8) that are used for sealedly in step (7), be equipped with in the step (7) outside and be used for preventing snap ring (9) of rubber seal (8).

2. A dust control chemical valve as set forth in claim 1, wherein: the circumferential rotating mechanism comprises an installation circular ring (10) installed between the valve body (1) and the valve frame (18), a ring plate (11) arranged on the outer side of the installation circular ring (10), a dustproof bearing (12) is sleeved on the ring plate (11), a connecting plate (13) is installed on the dustproof bearing (12), and a second connecting joint is formed at the joint of the connecting plate (13) and the side plate (5).

3. A dust control chemical valve as set forth in claim 1, wherein: the connecting seat (3) is provided with a clamping groove for clamping the two half covers (4), the connecting seat (3) corresponding to the upper side of the clamping groove is provided with a dustproof rubber ring (14), and the dustproof rubber ring (14) is attached to the upper surfaces of the two half covers (4) after being clamped.

4. A dust control chemical valve as set forth in claim 1, wherein: one half cover body (4) is provided with a connecting hole (15), the other half cover body (4) is provided with a connecting through hole corresponding to the connecting hole (15), and the connecting hole (15) is connected with a connecting screw rod (16) through internal threads.

5. A dust control chemical valve as set forth in claim 2, wherein: a plurality of positioning protrusions (17) are arranged on the connecting plate (13), and positioning grooves matched with the positioning protrusions (17) are formed in the inner sides of the side plates (5).