CN219866308U - Mechanical sealing device capable of adjusting flow - Google Patents

Abstract

The utility model discloses a mechanical sealing device capable of adjusting flow, which comprises a mechanical sealing main body, a flushing port, a flushing water pipe and a flow adjusting mechanism, wherein the flushing port is arranged on the mechanical sealing main body; the mechanical seal main body is provided with a flushing port, the flushing port is connected with a flushing water pipe, and the flushing water pipe is connected with a flow regulating mechanism; the flow regulating mechanism comprises a rotary valve plate, a regulating rotating shaft, a regulating handle, a positioning wheel and an anti-skid sleeve, wherein the rotary valve plate is rotatably arranged in a flushing water pipe, the regulating rotating shaft is vertically inserted in the flushing water pipe and fixedly connected with the middle part of the rotary valve plate, the regulating rotating shaft is in sealed rotating connection with the flushing water pipe, the top end of the regulating rotating shaft is connected with the regulating handle, and the positioning wheel is sleeved on the regulating rotating shaft below the regulating handle; the outside cover of locating wheel is equipped with the antiskid cover. The flow regulating mechanism is used for accurately regulating the water quantity of the flushing water, and the flow regulating mechanism is used for fixing the regulating gear of the flushing water through the anti-skid sleeve so as to prevent the unstable flow of the flushing water.

Description

Mechanical sealing device capable of adjusting flow

Technical Field

The utility model relates to the technical field of mechanical sealing devices, in particular to a mechanical sealing device capable of adjusting flow.

Background

In the long-term use process of the existing mechanical sealing device, the service life is shortened due to stains in the mechanical sealing device, and the mechanical sealing device needs to be regularly washed.

The flushing mode of the mechanical sealing device is mostly realized by communicating a flushing water pipe with a flushing water source, so that the flushing water is introduced into the mechanical sealing device to flush stains in the mechanical sealing device.

The prior patent application number is: CN202220030991.8, patent name: the utility model provides a but flow-regulating 'is provided with sealing screw and inlet channel on flange subassembly, wherein inlet channel and sealing screw butt, when rotating sealing screw, the through-hole on this sealing screw is calibrated with inlet channel, through the coincidence and the closed flow size that control this mechanical seal device ", this kind of flow control structure is when using, sealing screw has the risk of revealing, not hard up at pivoted in-process, in case sealing screw takes place to rotate under rivers or external environment factor's effect, then be difficult to carry out stable and accurate control to the flushing water volume, need improve it.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

Therefore, the utility model aims to solve the technical problem of providing a mechanical sealing device capable of adjusting flow, and aims to solve the problem that the water quantity of flushing water of the mechanical sealing device is difficult to accurately adjust and control.

In order to solve the technical problems, the utility model provides the following technical scheme: a mechanical sealing device capable of adjusting flow comprises a mechanical sealing main body, a flushing port, a flushing water pipe and a flow adjusting mechanism;

the mechanical seal main body is provided with a flushing port, the flushing port is connected with a flushing water pipe, and the flushing water pipe is connected with a flow regulating mechanism;

the flow regulating mechanism comprises a rotary valve plate, a regulating rotating shaft, a regulating handle, a positioning wheel and an anti-skid sleeve, wherein the rotary valve plate is rotatably arranged in a flushing water pipe, the regulating rotating shaft is vertically inserted in the flushing water pipe, the regulating rotating shaft is fixedly connected with the middle part of the rotary valve plate, the bottom end of the regulating rotating shaft is in sealed rotating connection with the flushing water pipe, the top end of the regulating rotating shaft penetrates through the flushing water pipe to be connected with the regulating handle, and the positioning wheel is sleeved on the regulating rotating shaft below the regulating handle;

the outside cover of positioning wheel is equipped with the antiskid cover, is connected with the elasticity slide on the antiskid cover, and elasticity slide sliding connection has a fixed slide cylinder, has offered the elasticity spout that supplies elasticity slide to slide from top to bottom on the fixed slide cylinder, and the internal connection of elasticity spout has the spring, and the spring is connected with the elasticity slide.

As a preferred embodiment of the flow-adjustable mechanical seal device according to the utility model, wherein: the mechanical seal main body comprises a shaft sleeve, a movable ring and a static ring, wherein the shaft sleeve is connected with the movable ring, and one end of the movable ring is connected with the static ring.

As a preferred embodiment of the flow-adjustable mechanical seal device according to the utility model, wherein: the outer side wall of the adjusting rotating shaft is connected with a flow adjusting indicating needle, and a positioning wheel is marked with flow scale marks matched with the flow adjusting indicating needle.

As a preferred embodiment of the flow-adjustable mechanical seal device according to the utility model, wherein: the anti-slip sleeve is sleeved on the positioning wheel from bottom to top.

As a preferred embodiment of the flow-adjustable mechanical seal device according to the utility model, wherein: the annular array is connected with a plurality of antislip strips on the circumferential outer side wall of the positioning wheel, and the number of the antislip strips is consistent with that of the antislip strips.

As a preferred embodiment of the flow-adjustable mechanical seal device according to the utility model, wherein: at least two elastic sliding seats are connected to the outer side wall of the circumference of the anti-skid sleeve, and the bottom of each elastic sliding seat is fixedly connected with the spring.

The utility model has the beneficial effects that:

according to the mechanical sealing device capable of adjusting flow, the flow adjusting mechanism is additionally arranged on the flushing water pipe of the mechanical sealing device, so that the flow adjusting mechanism can accurately adjust the water quantity of flushing water, and meanwhile, the flow adjusting mechanism can fix the adjusting gear through the anti-skid sleeve, so that the unstable flow of the flushing water is prevented.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of a flow rate adjusting mechanism according to the present utility model.

Fig. 3 is an enlarged view of a portion of the flow regulating mechanism of the present utility model.

Fig. 4 is a schematic view showing a specific structure of the rotary valve plate of the present utility model in a closed state.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Referring to fig. 1 to 4, for an application embodiment of the present utility model, there is provided a mechanical seal device capable of adjusting a flow rate, including a mechanical seal body 100, a flushing port 200, a flushing water pipe 300, and a flow rate adjusting mechanism 400;

the mechanical seal main body 100 comprises a shaft sleeve 101, a movable ring 102 and a static ring 103, wherein the shaft sleeve 101 is connected with the movable ring 102, and one end of the movable ring 102 is connected with the static ring 103; the mechanical seal main body 100 is provided with a flushing port 200, the flushing port 200 is connected with a flushing water pipe 300, and the flushing water pipe 300 is connected with a flow regulating mechanism 400;

the flow regulating mechanism 400 comprises a rotary valve plate 401, a regulating rotating shaft 402, a regulating handle 403, a positioning wheel 404 and an anti-slip sleeve 405, wherein the rotary valve plate 401 is rotatably arranged in the flushing water pipe 300, and the rotary valve plate 401 is matched with the inner cavity wall structure of the flushing water pipe 300; the adjusting rotating shaft 402 is vertically inserted into the flushing water pipe 300, the adjusting rotating shaft 402 is fixedly connected with the middle part of the rotary valve plate 401, the bottom end of the adjusting rotating shaft 402 is in sealed rotating connection with the flushing water pipe 300, the top end of the adjusting rotating shaft 402 penetrates through the flushing water pipe 300 to be connected with the adjusting handle 403, and the adjusting rotating shaft 402 below the adjusting handle 403 is sleeved with a positioning wheel 404; the outer side wall of the adjusting shaft 402 is connected with a flow adjusting indicator 412, and the positioning wheel 404 is marked with flow graduation marks 408 used in cooperation with the flow adjusting indicator 412.

The outside cover of locating wheel 404 is equipped with antiskid cover 405, and annular array is connected with a plurality of antislip strips 410 on the circumference lateral wall of locating wheel 404, has seted up the antislip slot 411 that uses with antislip strip 410 cooperation on the position of antiskid cover 405 corresponding to antislip strip 410, and the quantity of antislip slot 411 keeps unanimous with antislip strip 410.

The anti-slip sleeve 405 is connected with an elastic sliding seat 406, the elastic sliding seat 406 is connected with a fixed sliding cylinder 407 in a sliding manner, the fixed sliding cylinder 407 is provided with an elastic sliding groove for the elastic sliding seat 406 to slide up and down, the elastic sliding groove is internally connected with a spring 409, and the spring 409 is connected with the elastic sliding seat 406.

The positioning wheel 404 is connected with at least two elastic sliding seats 406 on the circumferential outer side wall of the anti-slip sleeve 405, and the bottom of each elastic sliding seat 406 is fixedly connected with a spring 409.

In this embodiment: when the amount of flushing water on the mechanical seal body 100 needs to be adjusted, only the handle 414 needs to be pressed down, so that the anti-skid sleeve 405 is separated from the positioning wheel 404, and at the same time, the elastic sliding seat 406 compresses the spring 409.

The adjusting handle 403 is rotated, so that the adjusting rotating shaft 402 drives the rotary valve plate 401 and the positioning wheel 404 to rotate to a proper position, and the purpose of adjusting the water quantity is achieved by adjusting the gap between the rotary valve plate 401 and the inner wall of the flushing water pipe 300.

The handle 414 is pressed down in the loosening mode, so that the spring 409 is reset, the anti-skid sleeve 405 is jacked up by the spring 409, and the anti-skid sleeve 405 is nested on the anti-skid strip 410 through the anti-skid sleeve 411, so that the purpose of fixing the position of the positioning wheel 404 is achieved, and the condition that the adjusting rotating shaft 402 rotates under the impact of water flow is prevented.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (6)

1. A mechanical seal device capable of adjusting flow, which is characterized in that: comprises a mechanical seal main body (100), a flushing port (200), a flushing water pipe (300) and a flow regulating mechanism (400);

a flushing port (200) is formed in the mechanical seal main body (100), the flushing port (200) is connected with a flushing water pipe (300), and a flow regulating mechanism (400) is connected to the flushing water pipe (300);

the flow regulating mechanism (400) comprises a rotary valve plate (401), a regulating rotating shaft (402), a regulating handle (403), a positioning wheel (404) and an anti-slip sleeve (405), wherein the rotary valve plate (401) is rotatably arranged in a flushing water pipe (300), the regulating rotating shaft (402) is vertically inserted into the flushing water pipe (300), the regulating rotating shaft (402) is fixedly connected with the middle part of the rotary valve plate (401), the bottom end of the regulating rotating shaft (402) is in sealing rotation connection with the flushing water pipe (300), the top end of the regulating rotating shaft (402) penetrates through the flushing water pipe (300) to be connected with the regulating handle (403), and the positioning wheel (404) is sleeved on the regulating rotating shaft (402) below the regulating handle (403);

the outside cover of positioning wheel (404) is equipped with antiskid cover (405), is connected with elasticity slide (406) on antiskid cover (405), and elasticity slide (406) sliding connection has fixed slide (407), has seted up elasticity spout on fixed slide (407), and the internal connection of elasticity spout has spring (409), and spring (409) are connected with elasticity slide (406).

2. The adjustable flow mechanical seal of claim 1, wherein: the mechanical seal main body (100) comprises a shaft sleeve (101), a movable ring (102) and a static ring (103), wherein the shaft sleeve (101) is connected with the movable ring (102), and one end of the movable ring (102) is connected with the static ring (103).

3. The adjustable flow mechanical seal of claim 1, wherein: the outer side wall of the adjusting rotating shaft (402) is connected with a flow adjusting indicating needle (412), and a positioning wheel (404) is marked with flow scale marks (408) matched with the flow adjusting indicating needle (412).

4. The adjustable flow mechanical seal of claim 1, wherein: the anti-slip sleeve (405) is nested on the positioning wheel (404) from bottom to top.

5. The adjustable flow mechanical seal of claim 1, wherein: a plurality of anti-slip strips (410) are connected to the circumferential outer side wall of the positioning wheel (404) in an annular array mode, and the number of the anti-slip grooves (411) is consistent with that of the anti-slip strips (410).

6. The adjustable flow mechanical seal of claim 1, wherein: at least two elastic sliding seats (406) are connected to the circumferential outer side wall of the anti-slip sleeve (405), and the bottom of each elastic sliding seat (406) is fixedly connected with a spring (409).