CN217331747U

CN217331747U - Sampling valve convenient to operation

Info

Publication number: CN217331747U
Application number: CN202220257707.0U
Authority: CN
Inventors: 杨海庆; 贺捷; 贺一函
Original assignee: Linhai Taitong Medical Equipment Co ltd
Current assignee: Linhai Taitong Medical Equipment Co ltd
Priority date: 2022-02-08
Filing date: 2022-02-08
Publication date: 2022-08-30
Anticipated expiration: 2032-02-08

Abstract

The utility model provides a sampling valve convenient to operate, which comprises a valve body and a valve seat, wherein the valve seat is hermetically connected with a reaction kettle, and the valve body is fixed on the valve seat through a flange; the valve body comprises a front valve body and a rear valve body, and the front valve body is detachably connected with the rear valve body; a sealing rod is arranged in the front valve body, the sealing rod is of a hollow structure, and an opening is formed in the rear end of the sealing rod; a screw rod is arranged in the rear valve body, and the front end of the screw rod is in threaded connection with the rear end of the sealing rod; the rear end of the rear valve body is provided with a bearing seat, a first bearing and a second bearing are fixedly arranged in the bearing seat, a screw rod is fixedly sleeved on the inner rings of the first bearing and the second bearing, and the rear end of the screw rod extends out of the rear valve body and is connected with a hand wheel; the downside of preceding valve body is provided with the discharging pipe, and sampling subassembly is installed to discharging pipe department. The utility model discloses convenient operation, laborsaving and characteristics such as safety.

Description

Sampling valve convenient to operation

Technical Field

The utility model relates to a chemical industry equipment technical field especially relates to a sample valve convenient to operation.

Background

The reaction kettle is indispensable equipment in the production process of chemical products, and the materials are stirred under the high-temperature and high-pressure environment, so that the materials can fully react. In this in-process, the staff need carry out sample detection to the material in the reation kettle, and traditional mode needs to shut down earlier, opens the reation kettle sample again, and is more troublesome.

For example, chinese patent No. CN104406821A discloses a sampling device for a reaction kettle; including reation kettle and discharging pipe, the discharging pipe sets up the bottom at reation kettle, is provided with the sampling tube at reation kettle's middle part, and the other one end of sampling tube sets up sealed head, sets up a pull pole in the sampling tube, and the length of pull pole is greater than the length of sampling tube, sets up the valve in sample connection department, is provided with the identical block of internal diameter with the sampling tube in the one end of the inside pull pole of sampling tube, and sealed head setting sprue is passed to the other one end of pull pole.

According to the scheme of the patent, when the operation is performed by a worker, the worker needs to overcome certain air pressure, so that the drawing rod needs to be pulled by large force, and the operation is very inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a sample valve convenient to operation has convenient operation's characteristics.

In order to realize the purpose, the technical scheme of the utility model is that:

a sampling valve convenient to operate comprises a valve body and a valve seat, wherein the valve seat is connected with a reaction kettle in a sealing manner, and the valve body is fixed on the valve seat through a flange; the valve body comprises a front valve body and a rear valve body, and the front valve body is detachably connected with the rear valve body; a sealing rod is arranged in the front valve body, the sealing rod is of a hollow structure, and an opening is formed in the rear end of the sealing rod; a screw rod is arranged in the rear valve body, and the front end of the screw rod is in threaded connection with the rear end of the sealing rod; the rear end of the rear valve body is provided with a bearing seat, a first bearing and a second bearing are fixedly arranged in the bearing seat, the screw rod is fixedly sleeved on the inner rings of the first bearing and the second bearing, and the rear end of the screw rod extends out of the rear valve body and is connected with a hand wheel; the downside of preceding valve body is provided with the discharging pipe, discharging pipe department installs sampling component.

Preferably, the rear end of the rear valve body is provided with a concave shoulder, and two sides of the bearing seat are provided with convex rings matched with the concave shoulder; the rear end of the rear valve body is also provided with a gland used for pressing the bearing seat on the rear valve body.

Preferably, the first bearing adopts a deep groove ball bearing, and the second bearing adopts a thrust ball bearing; the front end of the bearing seat is provided with a first caulking groove, and the rear end of the bearing seat is provided with a second caulking groove; the first bearing is fixedly embedded in the first embedding groove; the second bearing is located in the second caulking groove, and the screw rod is provided with a locking nut for locking the second bearing in the second caulking groove.

Preferably, the screw rod is further provided with a check ring, and the check ring is tightly attached to the rear end of the locking nut.

Preferably, the rear end of the sealing rod is provided with a threaded sleeve, and the threaded sleeve is in threaded connection with the screw rod; the front end of the screw rod is provided with a stop block, and the outer diameter of the stop block is larger than the inner diameter of the threaded sleeve.

Preferably, the inner wall of the front valve body close to the two ends of the front valve body is fixedly embedded with a first O-shaped ring.

Preferably, the sampling assembly comprises a sealing cover, a protective sleeve and a sampling bottle; the front end of the sealing cover is in threaded connection with the discharge pipe, and the rear end of the sealing cover is sleeved with the sampling bottle; when the sealing cover is installed in place, the bottle mouth of the sampling bottle is tightly butted with the discharge pipe; the protective sleeve is fixedly sleeved at the rear end of the sealing cover.

Preferably, the end face of the tapping pipe is provided with a second O-ring.

The utility model discloses technical effect mainly embodies in following aspect:

1. the double-bearing design is adopted, so that the screw rod is smoother and more stable in rotation;

2. the sampling bottle is provided with a protective sleeve, so that the sampling bottle is protected on one hand, and the anti-scald effect is achieved on the other hand; after sampling is finished, the sampling bottle can be taken down from the discharge pipe only by screwing off the sealing cover without directly contacting the sampling bottle;

3. the sealing rod can be driven to move in the valve body only by operating the hand wheel, so that the discharge pipe is opened and closed.

Drawings

FIG. 1 is a sectional view of a sampling valve in the example.

Reference numerals: 11. a front valve body; 12. a rear valve body; 2. a sealing rod; 21. a threaded sleeve; 22. a first O-ring; 23. a discharge pipe; 3. a screw rod; 4. a bearing seat; 51. a first bearing; 52. a second bearing; 53. locking the nut; 54. a retainer ring; 55. a stopper; 6. a gland; 7. a hand wheel; 81. a valve seat; 82. a flange; 91. sampling a bottle; 92. a sealing cover; 93. a protective sleeve; 94. a second O-ring.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

Referring to fig. 1, this embodiment provides a sample valve convenient to operation, including valve body and disk seat 81, disk seat 81 and reation kettle sealing connection, and the valve body includes preceding valve body 11 and back valve body 12, and preceding valve body 11 can dismantle with back valve body 12 and be connected, for example threaded connection. The flash valve body is fixed on the valve seat 81 through a flange 82, namely the flange 82 is fixedly connected with the valve seat 81 through bolts; the front valve body 11 is fixedly sleeved in the valve seat 81 and the flange 82.

Be provided with sealing rod 2 in the preceding valve body 11, fixed the inlaying on the inner wall that preceding valve body 11 is close to its both ends is equipped with first O type circle 22 to promote the leakproofness between sealing rod 2 and the preceding valve body 11. The sealing rod 2 is of a hollow structure, an opening is formed in the rear end of the sealing rod, and a threaded sleeve 21 is fixedly installed at the opening through a bolt.

The rear valve body 12 is internally provided with a screw rod 3, the front end of the screw rod 3 is in threaded connection with the threaded sleeve 21, the front end of the screw rod 3 is also provided with a stop block 55, and the outer diameter of the stop block 55 is larger than the inner diameter of the threaded sleeve 21 so as to prevent the screw rod 3 from being separated from the threaded sleeve 21.

The bearing frame 4 is installed to the rear end of back valve body 12, specifically, is provided with the concave shoulder in the rear end of back valve body 12, and the both sides of bearing frame 4 are provided with the bulge loop with the concave shoulder adaptation, when the installation, only need with bearing frame 4 direct card go into this concave shoulder department can. The rear end of the rear valve body 12 is also provided with a gland 6 for pressing the bearing seat 4 on the rear valve body 12, and the gland 6 and the rear valve body 12 can be in threaded connection.

A first bearing 51 and a second bearing 52 are fixedly arranged in the bearing seat 4, the screw rod 3 is fixedly sleeved on the inner rings of the first bearing 51 and the second bearing 52, and the rear end of the screw rod 3 extends out of the rear valve body 12 and is connected with the hand wheel 7. Specifically, the first bearing 51 is a deep groove ball bearing, and the second bearing 52 is a thrust ball bearing; the front end of the bearing seat 4 is provided with a first caulking groove, and the rear end is provided with a second caulking groove; the first bearing 51 is fixedly embedded in the first embedding groove; the second bearing 52 is located in the second caulking groove, and the screw rod 3 is provided with a locking nut 53 for locking the second bearing 52 in the second caulking groove.

A discharge pipe 23 is arranged on the lower side of the front valve body 11, a sampling assembly is arranged on the port of the discharge pipe 23, and the sampling assembly comprises a sealing cover 92, a protective sleeve 93 and a sampling bottle 91; the front end of the sealing cover 92 is in threaded connection with the discharging pipe 23, and the rear end of the sealing cover is sleeved with the sampling bottle 91; when the sealing cover 92 is installed in place, the bottle mouth of the sampling bottle 91 is tightly butted with the discharge pipe 23, and the end surface of the discharge pipe 23 is provided with a second O-shaped ring 94, so that the sealing performance is improved; the protective sleeve 93 is fixedly sleeved at the rear end of the sealing cover 92 and plays a role in protecting and isolating the bottle body.

The working principle of the embodiment is as follows: when needs sample, anticlockwise rotation hand wheel 7 can remove in the valve body 12 behind the sealed pole 2 of 3 drive of lead screw, until discharging pipe 23 is opened, and after the sample was accomplished, clockwise rotation hand wheel 7 resets sealed pole 2.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. A sampling valve convenient to operate comprises a valve body and a valve seat (81), wherein the valve seat (81) is connected with a reaction kettle in a sealing way, and the valve body is fixed on the valve seat (81) through a flange (82); the valve is characterized in that the valve body comprises a front valve body (11) and a rear valve body (12), and the front valve body (11) is detachably connected with the rear valve body (12); a sealing rod (2) is arranged in the front valve body (11), the sealing rod (2) is of a hollow structure, and an opening is formed in the rear end of the sealing rod; a screw rod (3) is arranged in the rear valve body (12), and the front end of the screw rod (3) is in threaded connection with the rear end of the sealing rod (2); a bearing seat (4) is installed at the rear end of the rear valve body (12), a first bearing (51) and a second bearing (52) are fixedly arranged in the bearing seat (4), the screw rod (3) is fixedly sleeved on the inner rings of the first bearing (51) and the second bearing (52), and the rear end of the screw rod (3) extends out of the rear valve body (12) and is connected with a hand wheel (7); the downside of preceding valve body (11) is provided with discharging pipe (23), install sampling subassembly on the port of discharging pipe (23).

2. An easy-to-operate sampling valve as claimed in claim 1, characterized in that the rear end of the rear valve body (12) is provided with a concave shoulder, and both sides of the bearing seat (4) are provided with convex rings matched with the concave shoulder; and a gland (6) is also installed at the rear end of the rear valve body (12) and used for compressing the bearing seat (4) on the rear valve body (12).

3. An operable sampling valve according to claim 1 or 2, wherein the first bearing (51) is a deep groove ball bearing and the second bearing (52) is a thrust ball bearing; the front end of the bearing seat (4) is provided with a first caulking groove, and the rear end of the bearing seat is provided with a second caulking groove; the first bearing (51) is fixedly embedded in the first embedding groove; the second bearing (52) is located in the second caulking groove, and a locking nut (53) is arranged on the screw rod (3) and used for locking the second bearing (52) in the second caulking groove.

4. A sample valve convenient to operate according to claim 3, characterized in that the screw (3) is further provided with a retainer ring (54), and the retainer ring (54) is tightly attached to the rear end of the lock nut (53).

5. An easy-to-operate sampling valve as claimed in claim 1, characterized in that the rear end of the sealing rod (2) is provided with a threaded sleeve (21), and the threaded sleeve (21) is in threaded connection with the screw rod (3); a stop block (55) is installed at the front end of the screw rod (3), and the outer diameter of the stop block (55) is larger than the inner diameter of the threaded sleeve (21).

6. An easy-to-operate sampling valve as claimed in claim 1, wherein the front valve body (11) has a first O-ring (22) fixedly embedded on its inner wall near its two ends.

7. An easy to operate sample valve as claimed in claim 1 wherein the sampling assembly comprises a sealing cap (92), a protective sleeve (93) and a sampling bottle (91); the front end of the sealing cover (92) is in threaded connection with the discharge pipe (23), and the rear end of the sealing cover is sleeved with the sampling bottle (91); when the sealing cover (92) is installed in place, the bottle mouth of the sampling bottle (91) is tightly butted with the discharge pipe (23); the protective sleeve (93) is fixedly sleeved at the rear end of the sealing cover (92).

8. An easy to operate sampling valve according to claim 7, characterised in that the end face of the outlet pipe (23) is provided with a second O-ring (94).