CN219388772U

CN219388772U - Electromagnetic valve guide head with improved structure

Info

Publication number: CN219388772U
Application number: CN202320878935.4U
Authority: CN
Inventors: 董绍权
Original assignee: Ningbo Fenghua Yongli Pneumatic Complete Set Co ltd
Current assignee: Ningbo Fenghua Yongli Pneumatic Complete Set Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-07-21
Anticipated expiration: 2033-04-19

Abstract

The utility model discloses a solenoid valve pilot head with an improved structure, which relates to the field of solenoid valves and comprises a pilot head main body, wherein a sealing mechanism is sleeved on the outer wall of the pilot head main body, one end of the pilot head main body is communicated with a telescopic mechanism, and the sealing mechanism comprises a threaded head, an inclined block, a sliding ring, a top block, a push rod, a supporting ring and a rubber sleeve. According to the utility model, when the pilot head is mounted in the shell of the electromagnetic valve, the pilot head is fixed tightly by rotating the screw head, and meanwhile, the screw head rotates on the outer surface of the pilot head to push the supporting ring to expand outwards so as to push the rubber sleeve to be tightly attached to the inner wall of the shell of the electromagnetic valve, so that the mounting position of the pilot head is ensured to ensure enough tightness, and after the pilot head is mounted, the distance that the connecting pipe slides out of the sleeve is adjusted by the length of an external pipeline, so that the pilot head can be connected with the pipeline more conveniently and rapidly, the flexibility in the mounting process of the pilot head is improved, and the efficiency of the mounting work of the pilot head is improved.

Description

Electromagnetic valve guide head with improved structure

Technical Field

The utility model relates to the field of electromagnetic valves, in particular to an electromagnetic valve guide head with an improved structure.

Background

Pilot solenoid valves are one type of valve and are widely used in various industries. The pilot-operated electromagnetic valve is different in structure due to different application occasions, the pilot-operated head assembly is an important component of the electromagnetic valve and generally comprises a sleeve, a movable iron core, a static iron core and an electromagnetic coil, and the working principle of the pilot-operated head assembly is as follows: when the electromagnetic coil is electrified, the static iron core attracts the movable iron core to move along the axial direction of the sleeve, so that the valve is opened or closed, the normally open electromagnetic valve is realized, the movable iron core does not act under the condition that the electromagnetic coil is not electrified, and the valve is in an open state; after the electromagnetic coil is electrified, the movable iron core acts, and the valve is in a closed state.

The rubber ring that current guide's head was established at the in-process of installation solenoid valve to the first outer wall cover of guide can sometimes take place to twist reverse because of frictional force, and prior art's sealing method is through the outer wall extrusion sealing washer of guide for the sealing washer closely laminates at the inner wall of solenoid valve, and after the sealing washer took place to twist reverse, the sealing washer outer wall can form the fold and lead to unable closely laminating between sealing washer and the solenoid valve shell, thereby can't guarantee the leakproofness.

Disclosure of Invention

Based on this, it is an object of the present utility model to provide a solenoid valve guide head with an improved structure, so as to solve the technical problems set forth in the background above.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the electromagnetic valve pilot head with the improved structure comprises a pilot head main body, wherein a sealing mechanism is sleeved on the outer wall of the pilot head main body, and one end of the pilot head main body is communicated with a telescopic mechanism;

the sealing mechanism comprises a threaded head, an inclined block, a sliding ring, a top block, a push rod, a supporting ring and a rubber sleeve, wherein the threaded head is rotationally connected with the outer wall of a pilot head main body, two groups of push rods are hinged to the outer wall of the sliding ring, the supporting ring is hinged to the other ends of the two groups of push rods, the rubber sleeve is fixedly connected to the other end of the pilot head main body, and the rubber sleeve is sleeved on the outer wall of the supporting ring.

Preferably, the side wall of the screw thread head is fixedly connected with two groups of inclined blocks, the outer wall sliding sleeve of the pilot head main body is provided with a sliding ring, and the side wall of the sliding ring is fixedly connected with two groups of ejector blocks.

Preferably, the support ring comprises an elastic metal ring and a sliding sleeve, the other end of the push rod is hinged to the side wall of the elastic metal ring, one end of the elastic metal ring is fixedly connected with the sliding sleeve, and the sliding sleeve is slidably sleeved at the other end of the elastic metal ring.

Preferably, the telescopic machanism includes sleeve pipe, sealing washer, connecting pipe, no. two sealing washer, thread bush, extrusion ring, sheathed tube one end intercommunication is at the one end of first main part of leading, sheathed tube inner wall sliding connection has the sealing washer No. one, the lateral wall intercommunication of sealing washer No. one has the connecting pipe.

Preferably, the inner wall of the sleeve is fixedly connected with a second sealing ring, the second sealing ring is sleeved on the outer wall of the connecting pipe, the other end of the sleeve is in threaded connection with a threaded sleeve, the inner wall of the threaded sleeve is fixedly connected with an extrusion ring, and the extrusion ring is sleeved on the outer wall of the second sealing ring.

Preferably, one end of the connecting pipe, which is positioned outside the sleeve, is provided with threads, and the outer wall of the thread head is provided with another set of threads.

Preferably, the sleeve and the connecting pipe are made of brass, and the outer walls of the sleeve and the connecting pipe are provided with corrosion-resistant galvanized layers.

In summary, the utility model has the following advantages:

1. the utility model designs the sealing mechanism, and utilizes the mutual matching of the screw thread head, the inclined block, the sliding ring, the top block, the push rod, the supporting ring, the sliding sleeve and the rubber sleeve in the sealing mechanism, so that when the pilot head is installed in the shell of the electromagnetic valve, the screw thread head is rotated to fix the pilot head tightly, and simultaneously the screw thread head rotates on the outer surface of the pilot head to push the supporting ring to expand outwards so as to push the rubber sleeve to be tightly attached to the inner wall of the shell of the electromagnetic valve, thereby ensuring that the installation part of the pilot head ensures sufficient tightness,

2. according to the utility model, by designing the telescopic mechanism and utilizing the mutual matching of the sleeve, the first sealing ring, the connecting pipe, the second sealing ring, the thread sleeve and the extrusion ring in the telescopic mechanism, the distance that the connecting pipe slides out of the sleeve can be adjusted by the length of an external pipeline after the pilot head is installed, so that the pilot head can be connected with the pipeline more conveniently and rapidly, the flexibility in the installation process of the pilot head is improved, and the installation work efficiency of the pilot head is improved.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic view of a seal mechanism according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a support ring according to the present utility model;

FIG. 4 is a schematic cross-sectional view of the telescopic mechanism of the present utility model;

FIG. 5 is a schematic cross-sectional view of an extrusion ring according to the present utility model.

In the figure: 1. a pilot head body; 2. a sealing mechanism; 3. a telescoping mechanism;

201. a thread head; 202. a sloping block; 203. a slip ring; 204. a top block; 205. a push rod; 206. a support ring; 2061. an elastic metal ring; 2062. a sliding sleeve; 207. a rubber sleeve;

301. a sleeve; 302. a first sealing ring; 303. a connecting pipe; 304. a second sealing ring; 305. a thread sleeve; 306. and a compression ring.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

The electromagnetic valve pilot head with the improved structure comprises a pilot head main body 1, wherein a sealing mechanism 2 is sleeved on the outer wall of the pilot head main body 1, and one end of the pilot head main body 1 is communicated with a telescopic mechanism 3;

the sealing mechanism 2 comprises a threaded head 201, inclined blocks 202, a sliding ring 203, a top block 204, push rods 205, a supporting ring 206 and a rubber sleeve 207, wherein the threaded head 201 is rotationally connected to the outer wall of a pilot head main body 1, two groups of push rods 205 are hinged to the outer wall of the sliding ring 203, the other ends of the two groups of push rods 205 are hinged to the supporting ring 206, the other end of the pilot head main body 1 is fixedly connected with the rubber sleeve 207, the rubber sleeve 207 is sleeved on the outer wall of the supporting ring 206, the side wall of the threaded head 201 is fixedly connected with the two groups of inclined blocks 202, the sliding sleeve on the outer wall of the pilot head main body 1 is provided with the sliding ring 203, the side wall of the sliding ring 203 is fixedly connected with the two groups of top blocks 204, the supporting ring 206 comprises an elastic metal ring 2061 and a sliding sleeve 2062, the other end of the push rod 205 is hinged to the side wall of the elastic metal ring 2061, one end of the elastic metal ring 2061 is fixedly connected with the sliding sleeve 2062, and the sliding sleeve 2062 is sleeved on the other end of the elastic metal ring 2061.

The screw thread head 201 is rotated to fix the pilot head through the screw thread of the outer wall of the screw thread head 201 and the screw thread of the inner wall of the electromagnetic valve, the pilot head main body 1 is fixed through a hand or other tools in the process of rotating the screw thread head 201, the pilot head main body 1 cannot rotate, the screw thread head 201 drives the inclined block 202 to rotate in the process of rotating the screw thread head 201, when the inclined block 202 contacts the top block 204, the top block 204 is pushed, the sliding ring 203 slides on the outer wall of the pilot head, the sliding ring 203 pushes the elastic metal ring 2061 through the push rod 205 in the sliding process, the elastic metal ring 2061 is pushed to expand all around, the rubber sleeve 207 is pushed to be tightly attached to the inner wall of the electromagnetic valve shell, the sliding sleeve 2062 is driven to slide on the outer wall of the elastic metal ring 2061 in the expanding process, and the end part of the elastic metal ring 2061 is prevented from contacting the rubber sleeve 207, and the rubber sleeve 207 is prevented from being scratched.

Referring to fig. 1-5, the telescoping mechanism 3 includes a sleeve 301, a first sealing ring 302, a connecting pipe 303, a second sealing ring 304, a threaded sleeve 305, and an extrusion ring 306, one end of the sleeve 301 is connected with one end of the guiding head main body 1, an inner wall of the sleeve 301 is slidably connected with the first sealing ring 302, a side wall of the first sealing ring 302 is connected with the connecting pipe 303, the inner wall of the sleeve 301 is fixedly connected with the second sealing ring 304, the second sealing ring 304 is sleeved on an outer wall of the connecting pipe 303, the other end of the sleeve 301 is in threaded connection with the threaded sleeve 305, the inner wall of the threaded sleeve 305 is fixedly connected with the extrusion ring 306, the extrusion ring 306 is sleeved on an outer wall of the second sealing ring 304, one end of the connecting pipe 303 outside the sleeve 301 is provided with threads, the outer wall of the threaded head 201 is provided with another set of threads, the sleeve 301 and the connecting pipe 303 are made of brass materials, and the outer walls of the sleeve 301 and the connecting pipe 303 are provided with corrosion-resistant zinc plating layers.

Through rotating threaded sleeve 305 for threaded sleeve 305 drives extrusion ring 306 and removes, thereby make extrusion ring 306 no longer extrude No. two sealing washer 304, then the pulling connecting pipe 303 stretches out sleeve 301, make sleeve 301 drive No. one sealing washer 302 at sleeve 301 inner wall slip, distance when connecting pipe 303 roll-off sleeve 301 is enough, through reverse rotation threaded sleeve 305, make threaded sleeve 305 drive extrusion ring 306 extrude No. two sealing washer 304, make No. two sealing washer 304 tightly laminate at the outer wall of connecting rod, thereby guarantee the leakproofness between connecting pipe 303 and the sleeve 301.

During use, the screw thread head 201 is rotated to enable the pilot head to be fixed through threads on the outer wall of the screw thread head 201 and threads on the inner wall of the electromagnetic valve, the pilot head main body 1 is fixed through a hand or other tools in the process of rotating the screw thread head 201, the pilot head main body 1 cannot rotate, the screw thread head 201 drives the inclined block 202 to rotate in the process of rotating the screw thread head 201, when the inclined block 202 contacts the top block 204, the top block 204 is pushed to enable the sliding ring 203 to slide on the outer wall of the pilot head, the sliding ring 203 pushes the elastic metal ring 2061 through the push rod 205 in the sliding process, the elastic metal ring 2061 is pushed to expand all around, the rubber sleeve 207 is pushed to be tightly attached to the inner wall of the electromagnetic valve shell, the sliding sleeve 2062 is driven to slide on the outer wall of the elastic metal ring 2061 in the expanding process of the elastic metal ring 2061, the end portion of the elastic metal ring 2061 is prevented from contacting the rubber sleeve 207, the rubber sleeve 207 is prevented from being scratched, the screw thread head 201 is pushed to be tightly fixed when the inclined block 202 contacts the top block 204, the inner wall of the electromagnetic valve shell is pushed by the screw thread head 201, and the outer surface of the pilot head 206 is pushed to be tightly attached to the inner wall of the electromagnetic valve, and the outer surface of the pilot head 206 is tightly pushed to be tightly attached to the outer wall of the electromagnetic valve, and the sealing performance of the pilot head is guaranteed.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. Electromagnetic valve leading head with improve structure, including leading first main part (1), its characterized in that: the outer wall of the pilot head main body (1) is sleeved with a sealing mechanism (2), and one end of the pilot head main body (1) is communicated with a telescopic mechanism (3);

sealing mechanism (2) are including screw thread head (201), sloping block (202), slip ring (203), kicking block (204), push rod (205), holding ring (206), rubber sleeve (207), screw thread head (201) rotate and connect the outer wall at first main part (1) of leading, the outer wall of slip ring (203) articulates there are two sets of push rods (205), and the other end of two sets of push rods (205) articulates there is holding ring (206), the other end fixedly connected with rubber sleeve (207) of first main part (1) of leading, rubber sleeve (207) cover is established at the outer wall of holding ring (206).

2. A solenoid pilot head with improved structure as described in claim 1 wherein: the side wall of the thread head (201) is fixedly connected with two groups of inclined blocks (202), a sliding ring (203) is sleeved on the outer wall of the pilot head main body (1) in a sliding mode, and the side wall of the sliding ring (203) is fixedly connected with two groups of top blocks (204).

3. A solenoid pilot head with improved structure as described in claim 1 wherein: the support ring (206) comprises an elastic metal ring (2061) and a sliding sleeve (2062), the other end of the push rod (205) is hinged to the side wall of the elastic metal ring (2061), one end of the elastic metal ring (2061) is fixedly connected with the sliding sleeve (2062), and the sliding sleeve (2062) is slidably sleeved on the other end of the elastic metal ring (2061).

4. A solenoid pilot head with improved structure as described in claim 1 wherein: the telescopic mechanism (3) comprises a sleeve (301), a first sealing ring (302), a connecting pipe (303), a second sealing ring (304), a threaded sleeve (305) and an extrusion ring (306), wherein one end of the sleeve (301) is communicated with one end of the guiding head main body (1), the inner wall of the sleeve (301) is slidably connected with the first sealing ring (302), and the side wall of the first sealing ring (302) is communicated with the connecting pipe (303).

5. A solenoid pilot head with improved structure as described in claim 4 wherein: the inner wall fixedly connected with sealing washer No. two (304) of sleeve pipe (301), no. two sealing washer (304) cover are established at the outer wall of connecting pipe (303), the other end threaded connection of sleeve pipe (301) has screw sleeve (305), the inner wall fixedly connected with extrusion ring (306) of screw sleeve (305), the outer wall at No. two sealing washer (304) is established to extrusion ring (306) cover.

6. A solenoid pilot head with improved structure as described in claim 4 wherein: one end of the connecting pipe (303) positioned outside the sleeve (301) is provided with threads, and the outer wall of the thread head (201) is provided with another set of threads.

7. A solenoid pilot head with improved structure as described in claim 4 wherein: the sleeve (301) and the connecting pipe (303) are made of brass, and corrosion-resistant galvanized layers are arranged on the outer walls of the sleeve (301) and the connecting pipe (303).