CN212253264U

CN212253264U - Condensing pressure control device for condenser

Info

Publication number: CN212253264U
Application number: CN202020910506.7U
Authority: CN
Inventors: 奚胜志
Original assignee: Nanjing Lizhi Travel Mechanical And Electrical Engineering Co ltd
Current assignee: Nanjing Lizhi Travel Mechanical And Electrical Engineering Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-12-29
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a condensing pressure controlling means for condenser, including valve body, sealed cap, adjusting screw, connecting pipe, connecting sleeve, internal thread, bearing, fly leaf, screw hole, deflector, guide way, main spring, piston rod, disk seat, fixing bolt, elastic rubber pad, connecting plate, through-hole, thread groove and sealing washer. The adjusting screw rod is screwed to drive the valve seat to move in the valve body, and the adjusting screw rod is screwed with the threaded hole, so that the adjusting screw rod drives the movable plate to move along the guide plate, the main spring is further compressed, and the piston rod can be driven to move under the action of the main spring, so that the purpose of adjusting the flow rate of cooling water is achieved; can directly spiral shell closes with the external body with the outer end of adapter sleeve, can take place relative slip this moment between adapter sleeve and the connecting pipe, can compress elastic rubber pad simultaneously to this carries out length compensation to this device, can fix connecting pipe and adapter sleeve simultaneously through fixing bolt.

Description

Condensing pressure control device for condenser

Technical Field

The utility model relates to a condensing pressure controlling means specifically is a condensing pressure controlling means for condenser belongs to condenser application technical field.

Background

The condensing pressure regulating valve is generally installed on a cooling water pipeline of the condenser (generally installed at a water inlet end of the condenser), and regulates the flow rate of the cooling water according to the change of the condensing pressure, and regulates the opening degree of the valve by directly sensing the pressure change of the refrigerant cycle so as to allow enough cooling water to flow, so that a large amount of cooling water is saved; in summary: cooling is carried out according to requirements, when the condensing pressure of the compressor is increased (namely the condensing pressure is increased), the valve can be automatically opened to be large, more cooling water enters the condenser, and the condensing speed of the refrigerant is accelerated; on the contrary, when the condensing pressure is reduced, the valve can be automatically closed, so that the amount of cooling water entering the condenser is reduced, and the condensing pressure is kept in a certain range.

In prior art, the condenser needs adjust condensing pressure according to the demand in the use, and the connection structure of current condensing pressure control valve is generally all comparatively simple, is not convenient for compensate length when the installation, and stability is not enough simultaneously, and present condensing pressure control valve needs instrument auxiliary use, is not convenient for directly adjust the inside disk seat of valve body. Therefore, a condensing pressure control device for a condenser is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a condensing pressure control device for a condenser to solve the above-mentioned problems.

The utility model realizes the purpose by the following technical proposal, a condensation pressure control device for a condenser, which comprises a sealing cap, a valve body, an adjusting structure, a piston rod, a valve seat, a connecting pipe, a connecting sleeve and a connecting structure which are arranged in sequence;

the adjusting structure comprises an adjusting screw rod, a bearing, a movable plate and a main spring, the movable plate is sleeved inside the valve body, the tail end of the adjusting screw rod penetrates through the top end of the sealing cap, and the adjusting screw rod is rotatably connected with the sealing cap through the bearing; the top end of the movable plate is provided with a threaded hole, the adjusting screw is screwed with the threaded hole, and the main spring is positioned at the bottom end of the movable plate; a guide plate is fixedly connected to the inner side wall of the valve body, guide grooves are formed in the side faces of the two sides of the movable plate, and the guide plate is clamped in the guide grooves;

the connecting structure comprises a fixing bolt, an elastic rubber pad, a connecting plate and a thread groove, the connecting plate is fixedly connected with the end face of the outer end of the connecting pipe, the elastic rubber pad is arranged on one side of the connecting plate, and the elastic rubber pad is sleeved on the surface of the connecting pipe; the threaded groove is formed in the side face of one side of the connecting plate, through holes are formed in one end of the connecting sleeve and one side of the elastic rubber pad, and the fixing bolt penetrates through the through holes and is screwed with the threaded groove.

Preferably, the sealing cap is located at the top end of the valve body, and the sealing cap is in threaded connection with the top end of the valve body.

Preferably, a sealing ring is arranged at the contact position of the adjusting screw rod and the sealing cap, and the sealing ring is sleeved on the surface of the adjusting screw rod.

Preferably, one end of the connecting pipe is fixedly connected with the side face of the valve body, and the connecting sleeve is movably connected with the surface of the outer end of the connecting pipe.

Preferably, the surface of the connecting sleeve is of a regular hexagonal structure, and an internal thread is formed in the connecting sleeve.

Preferably, the piston rod is located inside the valve body, the top end of the piston rod is in contact with the bottom end of the main spring, and the tail end of the piston rod is fixedly connected with the valve seat.

Preferably, the valve seat is located inside the valve body and is slidably connected with the valve body.

Preferably, the through hole on the side surface of the elastic rubber pad is in a strip structure, and the through hole is aligned with the thread groove.

Preferably, the movable plate is connected with the valve body in a sliding mode, and the four guide grooves are distributed on the side face of the movable plate in an annular mode.

Preferably, the number of the connecting pipes is two, and the connecting pipes are symmetrically distributed on two sides of the valve body.

The utility model has the advantages that:

1. the utility model can drive the valve seat to move in the valve body by screwing the adjusting screw rod, and the adjusting screw rod is screwed with the threaded hole, so that the adjusting screw rod can drive the movable plate to move along the guide plate, further compress the main spring, and drive the piston rod to move under the action of the main spring, thereby achieving the purpose of adjusting the flow rate of cooling water;

2. the utility model discloses it has the internal thread to open on connecting sleeve's inner wall, can directly spiral shell the outer end of connecting sleeve with external body this moment, can take place relative slip this moment between connecting sleeve and the connecting pipe, can compress elastic rubber pad simultaneously to this comes to carry out length compensation to this device, can fix connecting pipe and connecting sleeve through fixing bolt simultaneously, has strengthened stability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a connection diagram of the connection pipe and the connection sleeve of the present invention.

In the figure: 1. the valve comprises a valve body, 2, a sealing cap, 3, an adjusting screw rod, 4, a connecting pipe, 5, a connecting sleeve, 51, internal threads, 6, a bearing, 7, a movable plate, 71, a threaded hole, 8, a guide plate, 9, a guide groove, 10, a main spring, 11, a piston rod, 12, a valve seat, 13, a fixing bolt, 14, an elastic rubber pad, 15, a connecting plate, 16, a through hole, 17, a threaded groove, 18 and a sealing ring.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, a condensing pressure control device for a condenser includes a sealing cap 2, a valve body 1, an adjusting structure, a piston rod 11, a valve seat 12, a connecting pipe 4, a connecting sleeve 5 and a connecting structure, which are sequentially installed;

the adjusting structure comprises an adjusting screw rod 3, a bearing 6, a movable plate 7 and a main spring 10, wherein the movable plate 7 is sleeved inside the valve body 1, the tail end of the adjusting screw rod 3 penetrates through the top end of the sealing cap 2, and the adjusting screw rod 3 is rotatably connected with the sealing cap 2 through the bearing 6; a threaded hole 71 is formed in the top end of the movable plate 7, the adjusting screw 3 is screwed with the threaded hole 71, and the main spring 10 is located at the bottom end of the movable plate 7; a guide plate 8 is fixedly connected to the inner side wall of the valve body 1, guide grooves 9 are formed in the side surfaces of the two sides of the movable plate 7, and the guide plate 8 is clamped in the guide grooves 9;

the connecting structure comprises a fixing bolt 13, an elastic rubber pad 14, a connecting plate 15 and a thread groove 17, wherein the connecting plate 15 is fixedly connected with the outer end face of the connecting pipe 4, the elastic rubber pad 14 is arranged on one side of the connecting plate 15, and the elastic rubber pad 14 is sleeved on the surface of the connecting pipe 4; the threaded groove 17 is formed in one side face of the connecting plate 15, through holes 16 are formed in one end of the connecting sleeve 5 and one side of the elastic rubber pad 14, and the fixing bolt 13 penetrates through the through holes 16 and is screwed with the threaded groove 17.

The sealing cap 2 is positioned at the top end of the valve body 1, and the sealing cap 2 is in threaded connection with the top end of the valve body 1, so that the internal structure of the valve body can be maintained through the sealing cap 2; a sealing ring 18 is arranged at the contact position of the adjusting screw rod 3 and the sealing cap 2, and the sealing ring 18 is sleeved on the surface of the adjusting screw rod 3, so that the sealing property inside the valve body 1 is enhanced; one end of the connecting pipe 4 is fixedly connected with the side surface of the valve body 1, and the connecting sleeve 5 is movably connected with the outer end surface of the connecting pipe 4, so that the device can be fixed through the connecting sleeve 5 and the connecting pipe 4; the surface of the connecting sleeve 5 is of a regular hexagonal structure, an internal thread 51 is formed in the connecting sleeve, and the device can be screwed with an external pipeline through the internal thread 51; the piston rod 11 is positioned inside the valve body 1, the top end of the piston rod 11 is in contact with the bottom end of the main spring 10, the tail end of the piston rod 11 is fixedly connected with the valve seat 12, and the valve seat 12 can be driven to move through the piston rod 11; the valve seat 12 is positioned inside the valve body 1 and is connected with the valve body 1 in a sliding way, so that the position of the valve seat 12 inside the valve body 1 can be adjusted; the through hole 16 on the side of the elastic rubber pad 14 is a strip-shaped structure, and is aligned with the thread groove 17, and the sealing performance between the connecting pipe 4 and the connecting sleeve 5 can be enhanced through the elastic rubber pad 14; the movable plate 7 is connected with the valve body 1 in a sliding manner, four guide grooves 9 are annularly distributed on the side surface of the movable plate 7, and the guide grooves 9 and the guide plate 8 can guide the movable plate 7; the number of connecting pipes 4 is two, and the symmetric distribution is in 1 both sides of valve body, is convenient for install this device between two pipe fittings.

When the utility model is used, the valve body 1 can be directly placed between the two pipe bodies, at the moment, the inner wall of the connecting sleeve 5 is provided with the internal thread 51, at the moment, the outer end of the connecting sleeve 5 can be directly screwed with the external pipe body, at the moment, the connecting sleeve 5 and the connecting pipe 4 can slide relatively, and meanwhile, the elastic rubber pad 14 can be compressed, so that the length compensation is carried out on the device, and then the fixing bolt 13 is used for penetrating through the through hole 16 and can be screwed with the thread groove 17, so that the connecting pipe 4 and the connecting sleeve 5 are fixed, and the stability is enhanced;

then, the adjusting screw 3 is screwed to drive the valve seat 12 to move inside the valve body 1, and since the adjusting screw 3 is screwed with the threaded hole 71, the adjusting screw 3 drives the movable plate 7 to move along the guide plate 8, so as to compress the main spring 10, and the piston rod 11 is driven to move under the action of the main spring 10, thereby achieving the purpose of adjusting the flow rate of the cooling water.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A condensing pressure control device for a condenser is characterized in that: the valve comprises a sealing cap (2), a valve body (1), an adjusting structure, a piston rod (11), a valve seat (12), a connecting pipe (4), a connecting sleeve (5) and a connecting structure which are sequentially arranged;

the adjusting structure comprises an adjusting screw rod (3), a bearing (6), a movable plate (7) and a main spring (10), the movable plate (7) is sleeved inside the valve body (1), the tail end of the adjusting screw rod (3) penetrates through the top end of the sealing cap (2), and the adjusting screw rod (3) is rotatably connected with the sealing cap (2) through the bearing (6); a threaded hole (71) is formed in the top end of the movable plate (7), the adjusting screw rod (3) is screwed with the threaded hole (71), and the main spring (10) is located at the bottom end of the movable plate (7); a guide plate (8) is fixedly connected to the inner side wall of the valve body (1), guide grooves (9) are formed in the side faces of two sides of the movable plate (7), and the guide plate (8) is clamped in the guide grooves (9);

the connecting structure comprises a fixing bolt (13), an elastic rubber pad (14), a connecting plate (15) and a thread groove (17), the connecting plate (15) is fixedly connected with the end face of the outer end of the connecting pipe (4), the elastic rubber pad (14) is arranged on one side of the connecting plate (15), and the elastic rubber pad (14) is sleeved on the surface of the connecting pipe (4); the threaded groove (17) is formed in the side face of one side of the connecting plate (15), through holes (16) are formed in one end of the connecting sleeve (5) and one side of the elastic rubber pad (14), and the fixing bolt (13) penetrates through the through holes (16) and is screwed with the threaded groove (17).

2. A condensing pressure control apparatus for a condenser according to claim 1, wherein: the sealing cap (2) is positioned at the top end of the valve body (1), and the sealing cap (2) is in threaded connection with the top end of the valve body (1).

3. A condensing pressure control apparatus for a condenser according to claim 1, wherein: and a sealing ring (18) is arranged at the contact position of the adjusting screw rod (3) and the sealing cap (2), and the sealing ring (18) is sleeved on the surface of the adjusting screw rod (3).

4. A condensing pressure control apparatus for a condenser according to claim 1, wherein: one end of the connecting pipe (4) is fixedly connected with the side face of the valve body (1), and the connecting sleeve (5) is movably connected with the surface of the outer end of the connecting pipe (4).

5. A condensing pressure control apparatus for a condenser according to claim 1, wherein: the surface of the connecting sleeve (5) is of a regular hexagonal structure, and an internal thread (51) is formed in the connecting sleeve.

6. A condensing pressure control apparatus for a condenser according to claim 1, wherein: the piston rod (11) is located inside the valve body (1), the top end of the piston rod (11) is in contact with the bottom end of the main spring (10), and the tail end of the piston rod (11) is fixedly connected with the valve seat (12).

7. A condensing pressure control apparatus for a condenser according to claim 1, wherein: the valve seat (12) is positioned inside the valve body (1) and is connected with the valve body (1) in a sliding manner.

8. A condensing pressure control apparatus for a condenser according to claim 1, wherein: the through hole (16) on the side surface of the elastic rubber pad (14) is of a strip-shaped structure and is aligned with the thread groove (17).

9. A condensing pressure control apparatus for a condenser according to claim 1, wherein: the movable plate (7) is connected with the valve body (1) in a sliding mode, and the four guide grooves (9) are distributed on the side face of the movable plate (7) in an annular mode.

10. A condensing pressure control apparatus for a condenser according to claim 1, wherein: the number of the connecting pipes (4) is two, and the connecting pipes are symmetrically distributed on two sides of the valve body (1).