CN216200780U

CN216200780U - High canned type check valve

Info

Publication number: CN216200780U
Application number: CN202122615999.9U
Authority: CN
Inventors: 刘国清
Original assignee: Zhejiang Xier Plastic Cement Valve Co ltd
Current assignee: Zhejiang Xier Plastic Cement Valve Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-04-05
Anticipated expiration: 2031-10-28

Abstract

The utility model relates to the technical field of one-way valve design, and discloses a high-sealing type one-way valve which comprises a valve body, case and handle, the valve body includes left valve body and the right valve body through threaded connection, still include the adapter sleeve, the tip of left valve body and right valve body all is provided with outer joint end, the one end of adapter sleeve is provided with the flexible pipe of ripple, the one end that the flexible pipe of ripple was kept away from to the adapter sleeve is provided with the link that is used for connecting outside pipeline, the flexible pipe of ripple is kept away from one of adapter sleeve and is served and be provided with the cover and establish the installation cover on arbitrary external end, be provided with between installation cover and the external end and be used for dismantling the connecting piece of being connected on the outer joint end with the installation cover, be provided with the filter mantle in the adapter sleeve, the week side of filter mantle is provided with the external screw thread ring, set up the internal thread that supplies external screw thread ring threaded connection on the inner wall of adapter sleeve, the middle part of filter mantle is provided with the dismouting pole that extends towards flexible pipe one side of ripple.

Description

High canned type check valve

Technical Field

The utility model relates to the technical field of one-way valve design, in particular to a high-sealing type one-way valve.

Background

The check valve is commonly called as a check valve, fluid can only flow along the water inlet, and the medium at the water outlet cannot flow back. Check valves are also known as check valves or check valves. For preventing reverse flow of oil in hydraulic systems or for preventing reverse flow of compressed air in pneumatic systems. Wherein the one-way valve comprises a ball valve, a butterfly valve and the like.

At present, chinese patent publication No. CN202441950, published as 2012 and 9/19, discloses a two-piece ball valve, which comprises a valve body, wherein a valve clack is arranged in the valve body, the valve body comprises a left valve body and a right valve body, the left valve body and the right valve body are mutually sleeved, and the sleeved matching part of the left valve body and the right valve body is in threaded connection.

In the two-piece ball valve, the left valve body and the right valve body are mutually connected in a sleeved mode and are mutually connected in a threaded connection mode at a matching position, so that the valve seat is convenient to mount, and the left valve body and the right valve body can be disassembled for operation in daily replacement and maintenance, so that the replacement and maintenance are also convenient; wherein the both sides of valve clack all are provided with rubber seal, thereby rotate through the valve clack and realize opening and close of valve body, and when containing more granule debris in the rivers of process, in debris just can imbed the gap between rubber seal and the valve clack, thereby lead to in the rotation of valve clack being obstructed, the existence of debris also can wear and tear rubber seal simultaneously, thereby influences sealed effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-sealing type one-way valve which can better filter water flow entering a valve body.

The technical purpose of the utility model is realized by the following technical scheme: a high-sealing one-way valve comprises a valve body, a valve core and a handle, wherein the valve body comprises a left valve body and a right valve body which are connected through threads, and also comprises a connecting sleeve, the end parts of the left valve body and the right valve body are both provided with an outer connecting end, one end of the connecting sleeve is provided with a corrugated expansion pipe, one end of the connecting sleeve, which is far away from the corrugated expansion pipe, is provided with a connecting end for connecting an external pipeline, one end of the corrugated expansion pipe far away from the connecting sleeve is provided with a mounting sleeve sleeved on any external end, a connecting piece used for detachably connecting the mounting sleeve on the external connection end is arranged between the mounting sleeve and the external connection end, the connecting sleeve is internally provided with a filter mantle, the periphery of the filter mantle is provided with an external thread ring, the inner wall of the connecting sleeve is provided with an internal thread for the external thread ring to be connected with the thread, and the middle part of the filter mantle is provided with a dismounting rod extending towards one side of the corrugated expansion pipe.

The utility model is further provided with: the connecting piece is including setting up the spacing ring in outer holding end week side, setting just supplies the first rubber seal that the installation cover contradicted in spacing ring week side, a plurality of settings are in installation cover week side and along the even interval distribution's in installation cover week side engaging lug, set up the through-hole on the engaging lug, set up in spacing ring week side and with the screw hole of through-hole butt joint, pass the fastening bolt of screw thread connection in the screw hole behind the through-hole.

The utility model is further provided with: and the peripheral side of the mounting sleeve is provided with a sealing ring which is used for abutting against the first rubber sealing ring.

The utility model is further provided with: one end of the dismounting rod far away from the filter cover is provided with a handle rod with the extending direction vertical to the extending direction of the dismounting rod.

The utility model is further provided with: and a flow guide inclined plane is arranged on one side of the external thread ring away from the filter cover.

The utility model is further provided with: and a second rubber sealing ring is arranged at a threaded connection gap between the left valve body and the right valve body.

In conclusion, the utility model has the following beneficial effects:

1. when the valve body is installed, the connecting sleeve is placed at the external connection end of the water inlet position according to the water inlet direction in the valve body, the filter cover is connected to the internal thread in the connecting sleeve through the external thread ring in a threaded mode, then the corrugated expansion pipe is stretched and then the installation sleeve is sleeved on the external connection end, meanwhile the installation sleeve is fixed on the external connection end through the connecting piece, at the moment, water entering the external connection end needs to pass through the connecting sleeve firstly, the water flow can be filtered through the filter cover in the connecting sleeve, therefore, impurities in the water flow can be filtered, and finally, the water flow entering the valve body can be better filtered;

when more sundries are accumulated in the filter cover after filtering for a period of time, the corrugated expansion pipe can be retracted only by separating the mounting sleeve from the external end by using the connecting piece, then an operator can hold the dismounting and mounting rod after stretching the hand into the connecting sleeve, and the filter cover can be taken out from the connecting sleeve by rotating the dismounting and mounting rod, so that the sundries in the filter cover can be efficiently cleaned;

2. when the mounting sleeve needs to be fixed on the external end, the through holes in the connecting lugs on the peripheral side of the mounting sleeve are butted with the threaded holes in the limiting ring, then the fastening bolts can penetrate through the through holes and then are in threaded connection in the threaded holes, and under the pressure action provided by the fastening bolts, the mounting sleeve can be abutted against the first rubber sealing ring, so that the gap between the mounting sleeve and the external end is sealed through the first rubber sealing ring, and the possibility of water flow leakage is reduced;

3. by utilizing the sealing rings arranged on the peripheral sides of the mounting sleeve, when the mounting sleeve is tightly abutted against the first rubber sealing ring, the sealing rings can be pressed into the first rubber sealing ring which generates elastic deformation, at the moment, the gap between the mounting sleeve and the external end can be further sealed through the sealing rings, and the possibility of water flow leakage is reduced;

4. when the disassembling and assembling rod needs to be rotated, the handle rod with the extending direction perpendicular to the extending direction of the disassembling and assembling rod is utilized, and the disassembling and assembling rod can be more conveniently driven to rotate by rotating the handle rod;

5. the flow guide inclined plane is arranged on one side of the external thread ring away from the filter mantle and can guide the water flow entering the filter mantle, so that the water flow can quickly flow to the filter mantle;

6. the second rubber sealing ring is arranged at the threaded connection gap between the left valve body and the right valve body, and the second rubber sealing ring interface plays a sealing role in threaded connection between the left valve body and the right valve body, so that the overall sealing performance of the valve body is improved.

Drawings

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

fig. 2 is an enlarged view of a portion a in fig. 1.

Reference numerals: 1. a valve body; 11. a left valve body; 12. a right valve body; 2. a valve core; 3. a handle; 4. connecting sleeves; 41. a corrugated expansion pipe; 411. installing a sleeve; 412. a seal ring; 42. a connecting end; 43. an internal thread; 5. an outer connecting end; 6. a connecting member; 61. a limiting ring; 62. a first rubber seal ring; 63. connecting lugs; 64. a through hole; 65. a threaded hole; 66. fastening a bolt; 7. a filter housing; 71. an externally threaded ring; 711. a diversion bevel; 72. disassembling and assembling the rod; 721. a handle bar; 8. and a second rubber sealing ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A high-sealing type check valve, refer to fig. 1, the high-sealing type check valve comprises a valve body 1, a valve core 2, a handle 3 and a connecting sleeve 4, wherein the valve body 1 comprises a left valve body 11 and a right valve body 12, the left valve body 11 and the right valve body 12 are detachably connected through threads, meanwhile, a second rubber sealing ring 8 is embedded in a threaded connecting gap between the left valve body 11 and the right valve body 12, and stable sealing between the left valve body 11 and the right valve body 12 is realized through the second rubber sealing ring 8; wherein, the valve core 2 is positioned inside the valve body 1, and the handle 3 is positioned on the upper side of the valve body 1 and is used for driving the valve core 2 to rotate.

Referring to fig. 1, the connection sleeve 4 is located outside the valve body 1, wherein the end portions of the left valve body 11 and the right valve body 12 are integrally provided with an external connection end 5, one end of the connection sleeve 4 is fixedly bonded with a corrugated expansion pipe 41, and meanwhile, one end of the connection sleeve 4 away from the corrugated expansion pipe 41 is provided with a connection end 42 for connecting an external pipeline; wherein, a mounting sleeve 411 is fixedly bonded on one end of the corrugated expansion pipe 41 far away from the connecting sleeve 4, and the interface of the mounting sleeve 411 is sleeved on any external connection end 5.

Referring to fig. 1 and 2, a connecting member 6 is further disposed between the mounting sleeve 411 and the outer connecting end 5, the connecting member 6 can be used to detachably connect the mounting sleeve 411 to the outer connecting end 5, the connecting member 6 includes a limiting ring 61, a first rubber sealing ring 62, a plurality of connecting lugs 63, a through hole 64, a threaded hole 65, and a fastening bolt 66, wherein the limiting ring 61 is welded on the periphery of the outer connecting end 5, the first rubber sealing ring 62 is adhesively fixed on the periphery of the limiting ring 61, the first rubber sealing ring 62 can be abutted by the mounting sleeve 411, the periphery of the mounting sleeve 411 is further welded with a sealing ring 412 abutted in the first rubber sealing ring 62, the plurality of connecting lugs 63 are welded on the periphery of the mounting sleeve 411 and evenly distributed along the periphery of the mounting sleeve 411 at intervals, the through holes 64 are opened on the connecting lugs 63, wherein the threaded hole 65 is opened on the limiting ring 61 and is also provided with a plurality of connecting lugs 66, the plurality of screw holes 65 correspond to the plurality of through holes 64, respectively, and the fastening bolts 66 are screwed into the screw holes 65 after passing through the through holes 64.

Referring to fig. 1, a filter cover 7 is further disposed in the connection sleeve 4, the filter cover 7 is in a shape of a U-shaped cross section with a porous surface, wherein an external thread ring 71 is welded on the periphery of the filter cover 7, a flow guiding inclined plane 711 is disposed on one side of the external thread ring 71 away from the filter cover 7, an internal thread 43 for the external thread ring 71 to be in threaded connection is disposed on the inner wall of the connection sleeve 4, a dismounting rod 72 extending towards one side of the corrugated expansion pipe 41 is welded on the middle portion of the filter cover 7, and a handle rod 721 with an extending direction perpendicular to the extending direction of the dismounting rod 72 is welded at one end of the dismounting rod 72 away from the filter cover 7.

The principle is as follows: when the valve body 1 is installed, the connecting sleeve 4 is placed at the external connection end 5 of the water inlet position according to the water inlet direction in the valve body 1, the filter cover 7 is in threaded connection with the internal threads 43 in the connecting sleeve 4 through the external thread ring 71, the corrugated expansion pipe 41 is extended and then the installing sleeve 411 is sleeved on the external connection end 5, meanwhile, the installing sleeve 411 is fixed on the external connection end 5 through the fastening bolt 66 in the connecting piece 6, at the moment, water entering the external connection end 5 needs to pass through the connecting sleeve 4 first, the filter cover 7 in the connecting sleeve 4 can filter the water flow, accordingly, impurities in the water flow are filtered, and finally, the water flow entering the valve body 1 can be well filtered.

When more sundries are accumulated in the filter cover 7 after filtration in one end time, the mounting sleeve 411 and the external end 5 are separated only by unscrewing the fastening bolt 66 in the connecting piece 6, the corrugated expansion pipe 41 can be retracted, then the dismounting rod 72 can be held after the hand of an operator stretches into the connecting sleeve 4, the filter cover 7 can be taken out from the connecting sleeve 4 by rotating the dismounting rod 72, and therefore the sundries in the filter cover 7 can be efficiently cleaned.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a high canned type check valve, includes valve body (1), case (2) and handle (3), valve body (1) is including left valve body (11) and right valve body (12) through threaded connection, its characterized in that: the valve body is characterized by further comprising a connecting sleeve (4), outer connecting ends (5) are arranged at the end parts of the left valve body (11) and the right valve body (12), a corrugated expansion pipe (41) is arranged at one end of the connecting sleeve (4), a connecting end (42) used for connecting an external pipeline is arranged at one end, far away from the corrugated expansion pipe (41), of the connecting sleeve (4), an installing sleeve (411) sleeved on any one outer connecting end (5) is arranged at one end, far away from the connecting sleeve (4), of the corrugated expansion pipe (41), a connecting piece (6) used for detachably connecting the installing sleeve (411) to the outer connecting end (5) is arranged between the installing sleeve (411) and the outer connecting end (5), a filter cover (7) is arranged in the connecting sleeve (4), an external thread ring (71) is arranged on the peripheral side of the filter cover (7), and an internal thread (43) for connecting the external thread ring (71) is arranged on the inner wall of the connecting sleeve (4), the middle part of the filter cover (7) is provided with a dismounting and mounting rod (72) which extends towards one side of the corrugated expansion pipe (41).

2. The high-seal type check valve according to claim 1, wherein: connecting piece (6) including setting up spacing ring (61) in outer joint end (5) week side, set up in spacing ring (61) week side and supply first rubber seal (62) that installing sleeve (411) contradict, a plurality of settings are just along installing sleeve (411) week side even interval distribution's engaging lug (63) in installing sleeve (411) week side, set up through-hole (64) on engaging lug (63), set up screw hole (65) in spacing ring (61) week side and with through-hole (64) butt joint, pass through behind through-hole (64) threaded connection fastening bolt (66) in screw hole (65).

3. The high-seal type check valve according to claim 2, wherein: and a sealing ring (412) which is tightly abutted in the first rubber sealing ring (62) is arranged on the peripheral side of the mounting sleeve (411).

4. The high-seal type check valve according to claim 1, wherein: and a handle rod (721) with the extending direction perpendicular to that of the disassembling and assembling rod (72) is arranged at one end of the disassembling and assembling rod (72) far away from the filter cover (7).

5. The high-seal type check valve according to claim 1, wherein: and a flow guide inclined plane (711) is arranged on one side of the external thread ring (71) far away from the filter cover (7).

6. The high-seal type check valve according to claim 1, wherein: and a second rubber sealing ring (8) is arranged at a threaded connection gap between the left valve body (11) and the right valve body (12).