CN212536714U

CN212536714U - Squirrel-cage valve core of electric temperature control valve

Info

Publication number: CN212536714U
Application number: CN202020944773.6U
Authority: CN
Inventors: 杨涤
Original assignee: Jinan Gongda Jieneng Technology Development Co ltd
Current assignee: Jinan Gongda Jieneng Technology Development Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-02-12
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a squirrel-cage valve core of an electric temperature control valve, which relates to the technical field of accessories of the electric temperature control valve, and comprises a valve core shell and a rubber water retaining block, wherein an inner cavity is arranged in the valve core, the rubber water retaining block is clamped in the inner cavity, an inlet groove is arranged on the valve core shell, the rubber water retaining block is tightly attached to the inner side of the inlet groove, a screw groove is arranged at the top of the valve core shell, an adjusting screw rod is meshed in the screw groove through threads, one end of the adjusting screw rod is welded with a first blocking piece, the first blocking piece is clamped in the inner cavity, a second blocking piece is welded on the adjusting screw rod, the second blocking piece is arranged at the top of the valve core shell, a connecting rod is welded at the top of the water retaining block of the adjusting screw rod, a containing cavity is arranged in the adjusting screw rod, the top and the bottom, the pull rod is clamped in the through groove, and the sealing device has the characteristics of flexible use and good sealing effect.

Description

Squirrel-cage valve core of electric temperature control valve

Technical Field

The utility model relates to an electronic temperature-sensing valve accessory technical field, in particular to electronic temperature-sensing valve squirrel-cage case.

Background

A temperature control valve, a temperature control valve for short, is a typical application of a flow control valve in the field of temperature control, and has the following basic principle: the outlet temperature of the equipment is controlled by controlling the inlet flow of a heat exchanger, an air conditioning unit or other heat and cold equipment and primary heat (cold) medium. When the load changes, the flow is adjusted by changing the opening degree of the valve to eliminate the influence caused by the fluctuation of the load and restore the temperature to a set value, and the electric temperature control valve is typically applied in the field of temperature control of heating, ventilation, air conditioning and the like. The valve body is a flow regulating valve, is suitable for regulating chilled water, low-pressure hot water, domestic hot water, high-pressure hot water, seawater, hot oil and steam of a circulating pipeline, has good regulation linearity, has the characteristics of large adjustable ratio, tight sealing, high temperature resistance and cavitation resistance, and the valve core has important functions as a core part of the temperature control valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic temperature control valve squirrel-cage case to the flexibility that proposes among the solution above-mentioned background art is poor, problem that life is short.

In order to achieve the above object, the utility model provides a following technical scheme: the squirrel-cage valve core of the electric temperature control valve comprises a valve core shell and a rubber water retaining block, wherein an inner cavity is formed in the valve core, the rubber water retaining block is clamped in the inner cavity, an inlet groove is formed in the valve core shell, the rubber water retaining block is tightly attached to the inner side of the inlet groove, a screw groove is formed in the top of the valve core shell, an adjusting screw rod is arranged in the screw groove through thread meshing, a first separation blade is welded to one end of the adjusting screw rod, the first separation blade is clamped in the inner cavity, a second separation blade is welded to the adjusting screw rod, the second separation blade is arranged at the top of the valve core shell, a connecting rod is welded to the top of the water retaining block of the adjusting screw rod.

Preferably, the top and the bottom of the accommodating cavity are respectively provided with a through groove and a clamping groove, a top plate is clamped in the accommodating cavity and arranged at the top of the clamping groove, and one end of the connecting rod penetrates through the clamping groove and is welded at the bottom of the top plate.

Preferably, a pull rod is welded to the top of the top plate and clamped in the through groove, a pull head is arranged at the top of the adjusting screw rod, and one end of the pull rod is welded to one side of the pull head.

Preferably, the pull rod is sleeved with a pressure relief spring, and the pressure relief spring is clamped in the accommodating cavity.

Preferably, the inner side of the bottom of the inner wall of the inner cavity is welded with the flow limiting block, and the bottom of the rubber water retaining block is welded with the rubber bump.

Preferably, a circulation groove is arranged in the flow limiting block, and one end of the rubber bump is clamped in the circulation groove.

Preferably, a hand wheel is welded on the outer side of the adjusting screw rod through a support rod.

The utility model discloses a technological effect and advantage:

1. the utility model discloses when using, can use through two kinds of using-way to can select to use according to live time length, consequently use nimble convenience.

2. The utility model discloses when using, rubber breakwater piece can block the import groove under the normal condition, and the rubber lug card is established in the circulation groove in the current-limiting block simultaneously, consequently has dual current-limiting effect to can guarantee that the inside leakproofness of case shell is good, can increase of service life.

Drawings

Fig. 1 is a front view of the structure of the present invention.

Fig. 2 is a sectional view of the valve core housing of the structure of the present invention.

Fig. 3 is a sectional view of the adjusting screw according to the structure of the present invention.

Fig. 4 is a sectional view of the current-limiting block of the present invention.

In the figure: 1. a valve core housing; 2. a rubber water retaining block; 3. an inlet tank; 4. adjusting the screw rod; 5. a first baffle plate; 6. a second blocking piece; 7. a connecting rod; 8. a topsheet; 9. a pull rod; 10. a slider; 11. a pressure relief spring; 12. a flow limiting block; 13. a rubber bump; 14. a circulation tank; 15. a handwheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

The utility model provides an electric temperature control valve squirrel cage type valve core as shown in figures 1-4, which comprises a valve core shell 1 and a rubber water retaining block 2, wherein an inner cavity is arranged in the valve core, the rubber water retaining block 2 is clamped in the inner cavity, an inlet groove 3 is arranged on the valve core shell 1, the rubber water retaining block 2 is tightly attached to the inner side of the inlet groove 3, a screw groove is arranged at the top of the valve core shell 1, an adjusting screw rod 4 is meshed in the screw groove through threads, a baffle piece I5 is welded at one end of the adjusting screw rod 4, the baffle piece I5 is clamped in the inner cavity, a baffle piece II 6 is welded on the adjusting screw rod 4, the baffle piece II 6 is arranged at the top of the valve core shell 1, a connecting rod 7 is welded at the top of the water retaining block of the adjusting screw rod 4, a containing cavity is arranged in the adjusting screw rod 4, the top and the bottom of the containing cavity are respectively, the top of the top plate 8 is welded with a pull rod 9, the pull rod 9 is clamped in the through groove, the top of the adjusting screw rod 4 is provided with a pull head 10, one end of the pull rod 9 is welded on one side of the pull head 10, the pull rod 9 is sleeved with a pressure-relieving spring 11, and the pressure-relieving spring 11 is clamped in the containing cavity, the utility model has two using modes, when the valve core needs to be used for a long time, the adjusting screw rod 4 is screwed upwards through the hand wheel 15, so the adjusting screw rod 4 can drive the rubber water retaining block 2 to move upwards, the baffle piece I5 can contact with the top of the inner cavity of the valve core shell 1 to be blocked after moving upwards, at the moment, the hand wheel 15 is stopped being screwed, the rubber water retaining block 2 does not block the inlet groove 3 any more, the valve core is in an opening state, when the valve core needs to be used for a short time, the pull rod, the same effect is achieved by opening the inlet slot 3.

As shown in the combined drawings of fig. 1 and 4, the inner side of the bottom of the inner wall of the inner cavity is welded with a flow limiting block 12, the bottom of a rubber water retaining block 2 is welded with a rubber convex block 13, a circulation groove 14 is formed in the flow limiting block 12, one end of the rubber convex block 13 is clamped in the circulation groove 14, a hand wheel 15 is welded on the outer side of an adjusting screw rod 4 through a support rod, the rubber water retaining block 2 can block an inlet groove 3 in a normal state, so that good sealing performance of the inner part of a valve core shell 1 can be guaranteed, meanwhile, the rubber convex block 13 is clamped in the circulation groove 14 in the flow.

This practical theory of operation: the utility model has two using modes, when the utility model is used for a long time, the adjusting screw rod 4 is screwed upwards through the hand wheel 15, therefore, the adjusting screw rod 4 can drive the rubber water retaining block 2 to move upwards, the baffle piece 5 can contact with the top of the inner cavity of the valve core shell 1 after moving upwards and be blocked, at the moment, the hand wheel 15 is stopped being screwed, the rubber water retaining block 2 no longer blocks the inlet groove 3, the valve core is in an open state, the using method is not laborious in the using process, therefore, the utility model is suitable for long-time use, when the use in a short time is needed, the pull rod 9 is pulled upwards through the pull head 10, meanwhile, the top piece 8 can extrude the slow-pressing spring 11 and drive the top piece 8, the connecting rod 7 and the rubber water retaining block 2 to move upwards, the effect of opening the inlet groove 3 can also be achieved, when the rubber water retaining block 2 moves upwards, the, therefore, the foreign matters can flow through the inlet groove 3 and the circulation groove 14, the pull head 10 is loosened after the use is finished, the rubber water retaining block 2 can reset under the elastic force of the slow pressure spring 11, the closing speed is high, the opening and closing speed is controlled by the using method, the use method is suitable for short-time use, and the lengths of the adjusting screw rod 4 and the pull rod 9 in the utility model can be controlled according to the actual use condition.

Rubber manger plate piece 2 can block import groove 3 under the normal condition to can guarantee that the inside leakproofness of case shell 1 is good, rubber lug 13 card is established in the circulation groove 14 in flow limiting block 12 simultaneously, consequently has dual current-limiting effect, and in time rubber manger plate piece 2's sealed effect weakens, also can guarantee sealed effectual through rubber lug 13.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. Electronic temperature control valve squirrel-cage case, including case shell (1) and rubber manger plate piece (2), its characterized in that: the rubber water retaining block (2) is clamped in the inner cavity, an inlet groove (3) is formed in a valve core shell (1), the rubber water retaining block (2) is tightly attached to the inner side of the inlet groove (3), a screw groove is formed in the top of the valve core shell (1), an adjusting screw (4) is meshed in the screw groove through threads, one end of the adjusting screw (4) is welded with a first blocking piece (5), the first blocking piece (5) is clamped in the inner cavity, a second blocking piece (6) is welded on the adjusting screw (4), the second blocking piece (6) is arranged at the top of the valve core shell (1), a connecting rod (7) is welded at the top of the water retaining block of the adjusting screw (4), and a containing cavity is formed in the adjusting screw (4).

2. The squirrel-cage valve core of the electric temperature control valve as claimed in claim 1, wherein: the top and the bottom of the accommodating cavity are respectively provided with a through groove and a clamping groove, a top plate (8) is clamped in the accommodating cavity, the top plate (8) is arranged at the top of the clamping groove, and one end of the connecting rod (7) penetrates through the clamping groove to be welded at the bottom of the top plate (8).

3. The squirrel-cage valve core of the electric temperature control valve as claimed in claim 2, wherein: the top of the top plate (8) is welded with a pull rod (9), the pull rod (9) is clamped in the through groove, a pull head (10) is arranged at the top of the adjusting screw rod (4), and one end of the pull rod (9) is welded on one side of the pull head (10).

4. The squirrel cage valve core of an electric thermostatic valve as claimed in claim 3, wherein: the pull rod (9) is sleeved with a pressure relief spring (11), and the pressure relief spring (11) is clamped in the accommodating cavity.

5. The squirrel-cage valve core of the electric temperature control valve as claimed in claim 1, wherein: the inner side of the bottom of the inner wall of the inner cavity is welded with a flow limiting block (12), and the bottom of the rubber water retaining block (2) is welded with a rubber bump (13).

6. The squirrel-cage valve core of the electric temperature control valve as claimed in claim 5, wherein: a circulation groove (14) is formed in the flow limiting block (12), and one end of the rubber bump (13) is clamped in the circulation groove (14).

7. The squirrel-cage valve core of the electric temperature control valve as claimed in claim 1, wherein: and a hand wheel (15) is welded on the outer side of the adjusting screw rod (4) through a support rod.