Constant temperature control valve with multiple outlets

Abstract

The utility model provides a constant temperature control valve with multiple outlets, and belongs to the technical field of engine heat management. The flow control valve solves the problem that an existing flow control valve is poor in connection stability. The constant-temperature control valve with the multiple outlets comprises a valve body, a valve element and a valve rod, a top cover is fixed to the top of the valve body, a bottom cover is fixed to the bottom of the valve body, a protruding supporting base is arranged in the middle of the inner side of the valve body, the valve element comprises a first element body and a second element body, a cylindrical supporting barrel is arranged in the first element body, and one end of the valve rod is fixed to one end of the supporting barrel in the circumferential direction. The other end of the valve rod penetrates through the top cover, the side, facing the first core body, of the second core body is provided with a connecting column, the connecting column and the other end of the supporting cylinder are fixed in the circumferential direction, the second core body is further provided with a columnar supporting column, and the other end, opposite to the first core body, of the supporting column is inserted into the bottom cover. The supporting cylinder, the supporting column and the connecting column are coaxially arranged. The constant-temperature control valve with the multiple outlets has the advantage of being good in connection stability.

Description

Technical Field

[0001] The utility model belongs to the technical field of engine thermal management and relates to a thermostatic control valve with multiple outlets. Background Art

[0002] The normal operating temperature of the engine is 80℃-90℃. The car is equipped with an engine thermal management module to control the flow of coolant. When the engine temperature is high, it can cool the engine and keep the engine working at a suitable temperature, that is, the engine works at a constant temperature of 80℃-90℃. Therefore, the engine thermal management module is also called the engine's thermostatic control valve, and the thermostatic control valve is equipped with an electronically controlled actuator.

[0003] For example, people have designed a flow control valve and a cooling system, and applied for a Chinese patent, the application number of which is: 201780016629.7; the authorization announcement number is: CN108779865B; the flow control valve and the cooling system include a housing, the housing has a valve core receiving portion, a main communicating hole, a first secondary communicating hole and a second secondary communicating hole, the valve core receiving portion is formed into a hollow shape by the housing peripheral wall, the main communicating hole is formed in the housing peripheral wall, so that the valve core receiving portion is connected to the outside for fluid circulation, the first secondary communicating hole is formed in the housing peripheral wall, and the valve core receiving portion is connected to the outside for fluid circulation. A connecting hole is formed in the peripheral wall of the housing so that the valve core accommodating part is connected to the outside for fluid circulation, and the second secondary connecting hole is formed in the peripheral wall of the housing so that the valve core accommodating part is connected to the outside for fluid circulation; the valve core has a fluid inlet part, a main opening part, a first secondary opening part and a second secondary opening part, the fluid inlet part is formed into a hollow shape by the peripheral wall of the valve core, the main opening part is formed in the peripheral wall of the valve core so that the fluid inlet part is connected to the main connecting hole, and the first secondary opening part is formed in the peripheral wall of the valve core so that the fluid inlet part is connected to the first secondary connecting hole , a second secondary opening is formed on the peripheral wall of the valve core, so that the fluid inflow portion is connected to the second secondary connecting hole, and the valve core is arranged to form a gap portion between the inner peripheral surface in the valve core accommodating portion and the outer peripheral surface of the valve core peripheral wall; a driving mechanism, the driving mechanism drives the valve core to rotate; and a sealing component, the sealing component inhibits fluid leakage from the main connecting hole or the main opening to the gap portion, regardless of the rotation position of the valve core, the valve core connects the first secondary connecting hole and the first secondary opening portion, according to the rotation position of the valve core, the valve core changes the connection state between the main connecting hole and the main opening portion, and the connection state between the second secondary connecting hole and the second secondary opening portion, the valve core causes pressure loss to the fluid leaking from the valve core accommodating portion through the gap portion to the second secondary connecting hole by means of the gap portion, and when the main connecting hole and the main opening portion are connected and the second secondary connecting hole and the second secondary opening portion are not connected, the amount of fluid leakage to the second secondary connecting hole is set according to the amount allowed in the device connected to the main connecting hole.

[0004] In this flow control valve, in order to coordinate the water outflow from multiple connecting holes on the control shell, a plurality of openings are correspondingly opened on the valve core. In order to configure and distribute the multiple openings, the valve core is overall in the shape of a long cylinder. After the valve core and the shell are transitionally matched, the valve core is connected to the shell only through a valve stem. The connection is poorly stable and the valve core is prone to shaking during use. Utility Model Content

[0005] The utility model aims to solve the above problems existing in the prior art and proposes a thermostatic control valve with multiple outlets, thereby solving the problem of poor connection stability of the existing flow control valve.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A thermostatic control valve with multiple outlets comprises a valve body, a valve core and a valve stem, a top cover is fixed on the top of the valve body, and a bottom cover is fixed on the bottom of the valve body, characterized in that a protruding support seat is provided in the middle of the inner side of the valve body, the valve core comprises a first core body and a second core body respectively arranged on both sides of the support seat, and the first core body and the second core body are of a split structure, a cylindrical support cylinder is provided in the first core body, one end of the valve stem is circumferentially fixed to one end of the support cylinder, the other end of the valve stem passes through the top cover, a protruding columnar connecting column is provided on the side of the second core body facing the first core body, one end of the connecting column passes through the support seat and is circumferentially fixed to the other end of the support cylinder, a circular ring-shaped limiting ring that can limit the radial direction of the connecting column is provided between the outer side of the connecting column and the support seat, the second core body is also provided with a columnar supporting column, the supporting column is plugged into the bottom cover relative to the other end of the first core body, and the supporting cylinder, the supporting column and the connecting column are coaxially arranged.

[0008] In the thermostatic control valve with multiple outlets, the second core body, the first core body and the valve stem are connected in sequence to form a whole, and the top cover, the support seat and the bottom cover are used to support and limit the two ends and the middle part of the whole formed by the valve core and the valve stem, so that the entire valve core has three support points in the valve body, making the connection of the valve core more stable.

[0009] In the above-mentioned thermostatic control valve with multiple outlets, the first core body includes a cylindrical main body, the support tube is coaxially arranged in the main body, and a plurality of connecting parts, all of which are long strips, are arranged between the main body and the support tube. The plurality of connecting parts are spaced along the circumference, and the support tube and the main body are connected as a whole through the plurality of connecting parts. The support tube includes a plug hole 1 fixed to the valve stem circumferentially and a plug hole 2 fixed to the connecting column circumferentially at both ends. The support tube and the main body are coaxial, so that the valve stem has better concentricity when the main body is rotated by the support tube, and the switching and control of the waterway can be better guaranteed. The setting of the plug hole 1 and the plug hole 2 facilitates the connection between the valve stem and the connecting column.

[0010] In the thermostatic control valve with multiple outlets, the support seat is annular and the connecting column passes through the inner hole of the support seat. The limiting ring is sleeved on the outside of the connecting column and the limiting ring and the connecting column are transitionally matched. The limiting ring is inserted into the support seat and has an interference fit with the support seat. The setting of the limiting ring not only ensures the support and limiting of the connecting column, but also facilitates the assembly between the connecting column and the support seat.

[0011] In the thermostatic control valve with multiple outlets, a sealing seat in the shape of an annular ring is coaxially arranged between the support seat and the connecting column, and the inner side wall and outer side surface of the sealing seat are respectively against the connecting column and the support seat, and the side walls of the valve body on both sides of the support seat are penetrated with connecting holes, and a connecting pipe connecting the two connecting holes is fixed on the outer side of the valve body. A sealing seat is arranged between the annular support seat and the connecting column to ensure support and sealing of the connecting column, and the first core body and the second core body are connected through the connecting pipe, so that one inlet and multiple outlets can be realized.

[0012] In the above-mentioned thermostatic control valve with multiple outlets, a support ring is sleeved on the outer side of one end of the support column away from the first core body, and the support ring is plugged into the bottom cover. The support ring is filled between the support column and the bottom cover to ensure the stability of the support.

[0013] Compared with the prior art, in the thermostatic control valve with multiple outlets, the valve core is divided into a split first core body and a second core body, and the top cover, support seat and bottom cover are used to support and limit the two ends and the middle part of the whole formed by the valve core and the valve stem, so that the entire valve core has three support points in the valve body, making the connection of the valve core more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the cross-sectional structure of the thermostatic control valve with multiple outlets.

[0015] Figure 2 It is a structural schematic diagram of the thermostatic control valve of the multi-way outlet.

[0016] In the figure, 1. valve body; 2. valve stem; 3. top cover; 4. bottom cover; 5. support seat; 6. first core body; 7. second core body; 8. support tube; 9. connecting column; 10. limiting ring; 11. supporting column; 12. main body; 13. connecting part; 14. plug-in hole one; 15. plug-in hole two; 16. sealing seat; 17. connecting pipe; 18. support ring. DETAILED DESCRIPTION

[0017] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0018] The following is a specific structural description based on the orientation shown in the accompanying drawings.

[0019] like Figure 1 As shown, the thermostatic control valve with multiple outlets includes a valve body 1, a valve core, a valve stem 2 and an actuator. A top cover 3 is fixed to the top of the valve body 1, and a bottom cover 4 is fixed to the bottom of the valve body 1. A support seat 5 protruding in a circular shape is provided in the middle of the inner side of the valve body 1. The valve core includes a first core body 6 and a second core body 7 respectively arranged on the upper and lower sides of the support seat 5, and the first core body 6 and the second core body 7 are split structures. In this embodiment, the actuator is arranged on the top of the valve body 1, including the above-mentioned top cover 3, that is, the top cover 3 is a part of the actuator housing.

[0020] The first core 6 includes a cylindrical main body 12, and a cylindrical support tube 8 is coaxially arranged in the main body 12, and there is a gap between the outer side of the support tube 8 and the inner side of the main body 12. The main body 12 and the support tube 8 are both vertically arranged. A plurality of long strip-shaped connecting parts 13 are arranged between the main body 12 and the support tube 8, and the plurality of connecting parts 13 are spaced apart along the circumferential direction, and the plurality of connecting parts 13 connect the support tube 8 and the main body 12 as a whole.

[0021] The upper end of the support tube 8 has a plug hole 14, the lower end of the valve stem 2 is plugged into the plug hole 14 and is circumferentially fixed to the support tube 8, and the upper end of the valve stem 2 passes through the top cover 3 and is connected to the actuator in the actuator. In this embodiment, the actuator is an existing mechanism, connected to the top cover 3, and can drive the valve stem 2 to rotate circumferentially around its own axis; the cross-sectional shape of the plug hole 14 is non-circular, specifically, it can be a regular hexagon, a regular pentagon, a plum blossom, etc., mainly used for plugging and matching with the lower end of the valve stem 2 with the same cross-sectional shape and directly forming circumferential fixation after plugging; a bearing can be sleeved between the outer side of the valve stem 2 and the top cover 3, which can not only provide support for the valve stem 2, but also ensure the smooth circumferential rotation of the valve stem 2.

[0022] The upper side of the second core body 7 has a connecting column 9 protruding upward in a columnar shape, and the lower end of the support tube 8 has a second plug-in hole 15. The upper end of the connecting column 9 passes through the inner hole of the support seat 5 and is inserted into the second plug-in hole 15 to achieve circumferential fixation. The circumferential fixation method is the same as that of the first plug-in hole 14.

[0023] The upper and lower sides of the support seat 5 are respectively provided with a sealing seat 16 and a limiting ring 10, both of which are in the shape of a ring. The sealing seat 16 and the limiting ring 10 are both sleeved on the outer side of the connecting column 9. The inner side wall and the outer side surface of the sealing seat 16 are respectively against the connecting column 9 and the support seat 5. Figure 2 As shown, the side walls of the valve body 1 on both sides of the support seat 5 are penetrated with communication holes, and a communication pipe 17 that always connects the two communication holes is fixed on the outside of the valve body 1. The limit ring 10 is transitionally matched with the connecting column 9 and has an interference fit with the support seat 5.

[0024] The lower part of the second core body 7 also has a support column 11 protruding downward in a columnar shape, and a circular support ring 18 is sleeved on the outer side of the lower end of the support column 11, and the support ring 18 is plugged into the bottom cover 4. The support tube 8, the support column 11, the main body 12 and the connecting column 9 are coaxially arranged.

[0025] In addition, the outer side of the valve body 1 is connected to several water outlet pipes, and the valve core is provided with the same number of water holes. After the actuator drives the valve stem 2, the first core body 6 and the second core body 7 to rotate, the several water holes can be connected to the several water outlet pipes one by one. This structure and working principle are prior art and will not be elaborated on.

[0026] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A thermostatic control valve with multiple outlets, comprising a valve body (1), a valve core and a valve stem (2), wherein a top cover (3) is fixed to the top of the valve body (1), and a bottom cover (4) is fixed to the bottom of the valve body (1), characterized in that: The valve body (1) has a protruding support seat (5) in the middle of the inner side, and the valve core includes a first core body (6) and a second core body (7) respectively arranged on both sides of the support seat (5), and the first core body (6) and the second core body (7) are of a split structure, and the first core body (6) has a cylindrical support tube (8) in the inner side, one end of the valve stem (2) is circumferentially fixed to one end of the support tube (8), and the other end of the valve stem (2) passes through the top cover (3), and the second core body (7) has a protruding columnar connection on the side facing the first core body (6). The connecting column (9) has one end passing through the supporting seat (5) and is circumferentially fixed to the other end of the supporting tube (8); a circular limiting ring (10) is arranged between the outer side of the connecting column (9) and the supporting seat (5) and can limit the radial direction of the connecting column (9); the second core body (7) also has a columnar supporting column (11); the other end of the supporting column (11) relative to the first core body (6) is plugged into the bottom cover (4); the supporting tube (8), the supporting column (11) and the connecting column (9) are coaxially arranged.

2. The thermostatic control valve with multiple outlets according to claim 1, characterized in that: The first core body (6) includes a cylindrical main body (12), the support tube (8) is coaxially inserted into the main body (12), and a plurality of connecting parts (13) in the form of long strips are arranged between the main body (12) and the support tube (8). The plurality of connecting parts (13) are distributed at intervals along the circumferential direction. The support tube (8) and the main body (12) are connected as a whole via the plurality of connecting parts (13). The support tube (8) includes a first plug-in hole (14) located at both ends and circumferentially fixed to the valve stem (2) and a second plug-in hole (15) circumferentially fixed to the connecting column (9).

3. The thermostatic control valve with multiple outlets according to claim 1 or 2, characterized in that: The support seat (5) is in the shape of a circular ring and the connecting column (9) passes through the inner hole of the support seat (5); the limiting ring (10) is sleeved on the outer side of the connecting column (9) and the limiting ring (10) and the connecting column (9) are transitionally matched; the limiting ring (10) is passed through the support seat (5) and is interference-fitted with the support seat (5).

4. The thermostatic control valve with multiple outlets according to claim 3, characterized in that: A sealing seat (16) in the form of an annular ring is coaxially arranged between the support seat (5) and the connecting column (9), and the inner side wall and the outer side surface of the sealing seat (16) respectively abut against the connecting column (9) and the support seat (5). The side walls of the valve body (1) on both sides of the support seat (5) are penetrated by connecting holes, and a connecting pipe (17) connecting the two connecting holes is fixed on the outer side of the valve body (1).

5. The thermostatic control valve with multiple outlets according to claim 1 or 2, characterized in that: A support ring (18) is sleeved on the outer side of one end of the support column (11) away from the first core body (6), and the support ring (18) is plugged into the bottom cover (4).

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