CN213711988U

CN213711988U - Hydraulic lock sealing device

Info

Publication number: CN213711988U
Application number: CN202021620176.4U
Authority: CN
Inventors: 许君国
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-07-16
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a hydraulic lock sealing device, open the plunger including valve body, epicoele, cavity of resorption, cylinder through-hole, sealing plug, return spring and controllable check valve, the valve body is the cavity setting, the epicoele is the toper form and locates in the valve body, the one end of keeping away from the epicoele in the valve body is located to the cavity of resorption, the cylinder through-hole is located between epicoele and the cavity of resorption, the sealing plug slidable is located in epicoele and the cylinder through-hole, the intracavity is located to the return spring, the valve body inner wall and the sealing plug upper wall are located to the return spring both ends rigid coupling respectively, the intracavity is located to controllable check valve open the plunger slidable, the sealing plug lower wall is located to controllable. The utility model belongs to the technical field of the check valve is sealed, specifically provide a sealed effectual, increase of service life, maintain reliable and simple, practice thrift cost, practicality height, low cost's hydraulic pressure lock sealing device.

Description

Hydraulic lock sealing device

Technical Field

The utility model belongs to the technical field of the check valve is sealed, specifically indicate a hydraulic lock sealing device.

Background

In the industrial chemical processing production process, the hydraulic lock is applied to a device which needs to keep high-pressure sealing for a long time, so that frequent work of a pressure maintaining system is reduced, and the purpose of saving resources is achieved. In the prior art, the sealing link is easily damaged by high-pressure medium jet, the service life of the hydraulic lock is short, and frequent replacement of the hydraulic lock not only causes resource waste, but also influences the working progress of production and processing and causes economic loss.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned current difficult problem, the utility model provides a sealed effectual, increase of service life, maintain reliable and simple, practice thrift cost, practicality height, low cost's hydraulic pressure lock sealing device.

The utility model adopts the following technical scheme: the utility model relates to a hydraulic lock sealing device, including valve body, upper chamber, lower chamber, cylinder through-hole, sealing plug, return spring and controllable check valve opening plunger, the valve body is the cavity setting, the upper chamber is located in the valve body in the toper form, the lower chamber is located the one end of keeping away from the upper chamber in the valve body, the cylinder through-hole is located between upper chamber and the lower chamber, the sealing plug slidable locates in upper chamber and cylinder through-hole, return spring locates in the upper chamber, return spring both ends rigid coupling respectively locate valve body inner wall and sealing plug upper wall, controllable check valve opening plunger slidable locates in the lower chamber, controllable check valve opening plunger rigid coupling locates the lower wall, the sealing plug includes conical plug portion, plunger portion, medium through-hole, soft seal standing groove and soft seal, the plunger portion is cylindric setting, the plunger portion slidable locates in the cylinder through-hole, the conical plug part is arranged in a conical shape and fixedly connected with the upper wall of the plunger part, the medium through hole penetrates through the bottom wall and the side wall of the plunger part, the soft seal placing groove is arranged on the side wall of the conical plug part in a surrounding manner, the soft seal is detachably clamped and arranged in the soft seal placing groove, a power medium enters from the lower cavity and pushes the plunger part upwards, the plunger part drives the conical plug part to move upwards, the soft seal is separated from the inner wall of the valve body along with the conical plug part so as to increase the interception area of the power medium and slow down the jet impact of the power medium on the soft seal, when the power medium moves upwards to the medium through hole and enters the upper cavity, the power medium enters the upper cavity from the lower cavity through the medium through hole and reaches the working device, after the power medium is cut off, the pressure of the return spring and the medium in the upper cavity enables the sealing plug to descend and reset, the medium through hole completely enters the cylindrical surface through hole, and the soft seal follows the conical plug part to be in sealing fit with the inner wall of the valve body.

Furthermore, the side wall of the conical plug part is parallel to the lower wall of the upper cavity, and the conical plug part is enabled to be attached to the inner wall of the valve body in a seamless mode.

Furthermore, the diameter of the plunger portion is equal to that of the cylindrical through hole, so that the plunger portion is tightly attached to the cylindrical through hole, and a sealing effect is achieved.

Furthermore, a first through hole is formed in the lower wall of the lower cavity and is arranged below the opening plunger of the controllable check valve, and a power medium enters the lower cavity from the first through hole and drives the opening plunger of the controllable check valve to move upwards to open the sealing valve.

Furthermore, the side wall of the upper cavity is provided with a second through hole, and the power medium enters the working device from the upper cavity through the second through hole.

Furthermore, the soft seal is made of resin, and the resin has excellent sealing performance and ensures the sealing performance of the device.

Further, the soft seal is a Y-shaped seal ring.

Further, the soft seal is an O-shaped seal ring.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme hydraulic pressure lock sealing device increases sealed effect, has effectively slowed down the efflux to the damage of sealed link, and this scheme has increased soft sealing for the hydraulic pressure lock among the prior art, and the hydraulic pressure lock only need change after the work certain time low price soft sealing can, change and maintain simple and convenient, improve economic nature.

Drawings

Fig. 1 is a cross-sectional view of the overall structure of a hydraulic lock sealing device of the present invention;

fig. 2 is a cross-sectional view of an embodiment of a hydraulic lock sealing device of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings: 1. the valve comprises a valve body, 2, an upper cavity, 3, a lower cavity, 4, a cylindrical surface through hole, 5, a sealing plug, 6, a return spring, 7, a controllable one-way valve opening plunger, 8, a conical plug part, 9, a plunger part, 10, a soft seal placing groove, 11, a soft seal, 12, a through hole I, 13, a through hole II, 14 and a medium through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model relates to a hydraulic lock sealing device, including valve body 1, epicoele 2, cavity of resorption 3, cylinder through-hole 4, sealing plug 5, return spring 6 and controllable check valve opening plunger 7, valve body 1 is the cavity setting, epicoele 2 is the toper form and locates in valve body 1, cavity of resorption 3 is located the one end of keeping away from epicoele 2 in valve body 1, cylinder through-hole 4 is located between epicoele 2 and cavity of resorption 3, sealing plug 5 slidable locates in epicoele 2 and cylinder through-hole 4, return spring 6 locates in epicoele 2, return spring 6 both ends difference rigid coupling is located valve body 1 inner wall and sealing plug 5 upper wall, controllable check valve opening plunger 7 slidable locates in cavity of resorption 3, controllable check valve opening plunger 7 rigid coupling is located sealing plug 5 lower wall, sealing plug 5 includes conical plug portion 8, Plunger portion 9, medium through-hole 14, soft seal standing groove 10 and soft seal 11, plunger portion 9 is cylindric setting, plunger portion 9 slidable locates in the cylinder through-hole 4, awl stopper portion 8 is the setting of toper form, 9 upper walls in plunger portion are located to 8 rigid couplings in awl stopper portion, medium through-hole 14 runs through 9 diapalls in plunger portion and lateral wall, soft seal standing groove 10 encircles on locating 8 lateral walls in awl stopper portion, soft seal 11 can dismantle the joint and locate in soft seal standing groove 10.

Wherein, the side wall of the conical plug part 8 is parallel to the lower wall of the upper cavity 2; the diameter of the plunger part 9 is equal to that of the cylindrical through hole 4; the lower wall of the lower cavity 3 is provided with a first through hole 11, and the first through hole 11 is arranged below the opening plunger 7 of the controllable one-way valve; a second through hole 12 is formed in the side wall of the upper cavity 2; the soft seal 11 is made of resin; the soft seal 11 is a Y-shaped seal ring; the soft seal 11 is an O-ring seal.

When the power medium is used, the power medium enters from the lower cavity 3, the plunger part 9 is pushed upwards, the plunger part 9 drives the conical plug part 8 to move upwards, the soft seal 11 is separated from the inner wall of the valve body 1 along with the conical plug part 8 so as to increase the interception area of the power medium and slow down the jet impact of the power medium on the soft seal 11, when the power medium moves upwards to the position that the medium through hole 14 enters the upper cavity 2, the power medium enters the upper cavity 2 from the lower cavity 3 through the medium through hole 14, the power medium in the upper cavity 2 reaches the working device through the through hole II 12, after the power medium is cut off, the pressure of the medium in the return spring 6 and the upper cavity 2 enables the sealing plug 5 to descend and reset, the medium through hole 14 completely enters the cylindrical surface through hole 4, and the soft seal 11 is in sealing fit with the; the user can change the soft seal 5 regularly according to the working condition.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. A hydraulic lock sealing device is characterized in that: including valve body, epicoele, cavity of resorption, cylinder through-hole, sealing plug, return spring and controllable check valve opening plunger, the valve body sets up for the cavity, the epicoele is the toper form and locates in the valve body, the cavity of resorption is located the one end of keeping away from the epicoele in the valve body, the cylinder through-hole is located between epicoele and the cavity of resorption, the sealing plug slidable locates in epicoele and the cylinder through-hole, return spring locates the intracavity, the valve body inner wall and sealing plug upper wall are located to return spring both ends rigid coupling respectively, controllable check valve opening plunger slidable locates in the cavity of resorption, controllable check valve opening plunger rigid coupling is located the sealing plug lower wall, the sealing plug includes plug portion, medium through-hole, soft seal standing groove and soft seal, plug portion is cylindric setting, plug portion slidable locates in the cylinder through-hole, plug portion is the toper form setting, the upper wall of the plunger portion is fixedly connected with the conical plunger portion, the medium through hole penetrates through the bottom wall and the side wall of the plunger portion, the soft seal placing groove is arranged on the side wall of the conical plunger portion in a surrounding mode, and the soft seal can be detachably clamped and arranged in the soft seal placing groove.

2. A hydraulic lock seal arrangement according to claim 1 wherein: the side wall of the conical plug part is parallel to the lower wall of the upper cavity; the diameter of the plunger portion is equal to the diameter of the cylindrical through hole.

3. A hydraulic lock seal arrangement according to claim 1 wherein: and a second through hole is formed in the side wall of the upper cavity.

4. A hydraulic lock seal arrangement according to claim 1 wherein: the soft seal is made of resin.

5. A hydraulic lock seal arrangement according to claim 1 wherein: the soft seal is a Y-shaped seal ring.

6. A hydraulic lock seal arrangement according to claim 1 wherein: the soft seal is an O-shaped seal ring.