CN213071189U

CN213071189U - Thermostat

Info

Publication number: CN213071189U
Application number: CN202022029613.1U
Authority: CN
Inventors: 叶云帆; 全琎; 全睿; 熊荧; 肖慧鹏; 丁轩; 全书海
Original assignee: Wuhan Hyvitech Co ltd
Current assignee: Wuhan Hyvitech Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-04-27
Anticipated expiration: 2030-09-16

Abstract

The utility model discloses a thermostat, which comprises a thermostat core body, a flexible shell body and two hooping pieces, wherein the thermostat core body is a columnar component, the side wall and the end parts at the two ends of the thermostat core body are respectively provided with an opening, the openings at the two ends of the thermostat core body respectively form a first liquid inlet and a liquid outlet of the thermostat, the opening on the side wall forms a second liquid inlet of the thermostat, the shell body is in a groove body shape, the bottom end of the groove body is provided with a first liquid inlet interface communicated with the interior of the shell body, the middle part of the groove wall of the shell body is provided with a second liquid inlet interface communicated with the interior of the groove body, the thermostat core body is arranged in the shell body, one end of the thermostat core body provided with the first liquid inlet faces the bottom of the shell body, the second liquid inlet interface is aligned with the second liquid inlet, the two hooping pieces are respectively arranged on the shell body and are used for hooping the shell body on the thermostat core body together, the second liquid inlet interface is communicated with the second liquid inlet. The structure is simple, and the disassembly and the assembly are convenient.

Description

Thermostat

Technical Field

The utility model belongs to the cooling arrangement field especially relates to a thermostat.

Background

The temperature in the hydrogen fuel cell power generation system has great influence on the performance of the proton exchange membrane fuel cell, and in order to keep the working efficiency of the fuel cell in the optimal state, the temperature of cooling water needs to be adjusted to be within the proper temperature range in real time through a thermostat. In the prior art, the thermostat generally adopts a stainless steel shell, and the thermostat is fixed inside the thermostat, and the shell structure is a metal part, so that the stainless steel is difficult to machine, the welding quality requirement is high, the process is relatively complex, and the appearance is relatively fixed due to the limitation of the machining requirement; in addition, since insulation of cooling water is required in a hydrogen fuel cell power generation system, insulation is required to be taken into consideration for fixing the metal case.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the present invention is to provide a thermostat with simple structure and easy assembly and disassembly.

In order to achieve the above purpose, the technical solution of the present invention is as follows: the utility model provides a thermostat, includes thermostat core, flexible casing and two cramps, the thermostat core is the column component, and its lateral wall all is equipped with the opening with its both ends tip, and the opening at its both ends constitutes its first inlet and liquid outlet respectively, and opening on its lateral wall constitutes its second inlet, the casing is the cell body shape, and its tank bottom end is equipped with the first feed liquor interface rather than inside intercommunication, and its cell wall middle part is equipped with the second feed liquor interface rather than inside intercommunication, the thermostat core is arranged in the casing, and its one end orientation that is equipped with first inlet the tank bottom of casing, just second feed liquor interface with the second inlet aligns, two the cramps set up respectively on the casing, and be located the both sides of second feed liquor interface, it is used for jointly with the casing cramps on the thermostat core, and will first feed liquor interface and second feed liquor interface are located construct the gap between casing and the thermostat core The passage is cut off, the first liquid inlet interface is communicated with the first liquid inlet, and the second liquid inlet interface is communicated with the second liquid inlet.

The beneficial effects of the above technical scheme are that: its simple structure adopts flexible material with the casing to with casing and thermostat core through cramping one's head, so make easy dismounting between casing and the thermostat core, make things convenient for first interface and the second interface of intaking simultaneously to be connected with water intake pipe.

In the technical scheme, the shell is made of silica gel or latex materials.

The beneficial effects of the above technical scheme are that: the anti-aging fabric is good in softness, has insulating property and also has a good anti-aging effect.

In the technical scheme, the thermostat core body comprises a valve shell, a valve core and a temperature control telescopic piece, wherein the valve shell and the valve core are both in a straight cylinder shape, the middle part of the side wall of the valve shell is provided with an opening to form the second liquid inlet, the valve core is arranged in the middle part in the valve shell, the outer side wall of the temperature control expansion piece is in sliding contact with the inner side wall of the valve shell and plugs the second liquid inlet, the temperature control expansion piece is installed at one end of the valve shell through a hollow first connecting piece, the telescopic end of the temperature control telescopic piece faces the valve core and is in transmission connection with the valve core, one end of the valve shell provided with the temperature control telescopic piece forms a liquid outlet of the temperature control telescopic piece, the other end of the valve casing forms the first liquid inlet, the thermostat core body is arranged in the casing, and the two hooping pieces hoop the shell on the valve shell, and the temperature control expansion piece expands or contracts along with the temperature change of the fluid flowing through the temperature control expansion piece so as to drive the valve core to move to open or close the second liquid inlet.

The beneficial effects of the above technical scheme are that: the thermostat core body is simple in structure, the opening and closing of the second liquid inlet is affected by the liquid temperature at the liquid outlet of the thermostat core body, when cooling liquid circulates through the thermostat core body, if the temperature of the cooling liquid rises to enable the temperature control expansion piece to drive the valve core to open the second liquid inlet so as to increase the flow of the cooling liquid, the cooling effect is improved, the temperature of the cooling liquid to be circulated can be gradually reduced to enable the opening amount of the second liquid inlet to be reduced until the temperature control expansion piece drives the valve core to plug the second liquid inlet, the second liquid inlet is not required to be manually opened and closed, meanwhile, the temperature of the cooling liquid in a cooling liquid circulation loop is kept in dynamic balance, the poor cooling effect is avoided, and meanwhile, the supercooling of equipment can be avoided.

In the above technical scheme, the thermostat core body still includes the closing piece, the closing piece is tubaeform, its great end of opening with the valve casing is equipped with the one end sealing connection of control by temperature change extensible member, and its less end of opening constitutes out the liquid interface, just the control by temperature change extensible member is located in the closing piece.

The beneficial effects of the above technical scheme are that: so make the thermostat be convenient for connect the drain pipe, make liquid fully contact through thermostat exhaust liquid and temperature control extensible member simultaneously to make the flexible more sensitive of temperature control extensible member.

In the technical scheme, the temperature control telescopic piece comprises a cylinder body, a piston and a piston rod, the cylinder body is in a groove body shape, the piston is arranged in the cylinder body and is in sealing contact with the inner side wall of the cylinder body, one end of the piston rod extends into the cylinder body through the notch of the cylinder body, the other end of the temperature control telescopic piece forms a telescopic end of the temperature control telescopic piece, paraffin is filled in a sealed cavity formed by the piston and the cylinder body in the cylinder body, the groove of the cylinder body is provided with an inner flanging used for preventing the piston from sliding out of the cylinder body, the cylinder body is connected with the valve shell through the first connecting piece, the paraffin in the temperature control expansion piece expands along with the temperature rise of fluid flowing through the temperature control expansion piece to press the piston to move towards the groove end of the cylinder body so as to extend, or contracts as the temperature of the fluid flowing through it decreases so that the piston moves into the cylinder under vacuum to contract.

The beneficial effects of the above technical scheme are that: the paraffin wax has simple structure, can be melted at 47-64 ℃, has good performance of expansion with heat and contraction with cold, and has large volume change under temperature.

In the above technical solution, the temperature control expansion piece further includes an elastic piece, and the elastic piece is mounted on the cylinder body and used for applying elastic tension to the piston in a contraction trend.

The beneficial effects of the above technical scheme are that: so when the temperature control expansion piece contracts, the elastic piece exerts assistance force to enable the temperature control expansion piece to contract more flexibly.

In the technical scheme, the cylinder body is a copper component.

The beneficial effects of the above technical scheme are that: because the coefficient of thermal conductivity of copper is high, thereby make the sensitivity of control by temperature change expansion piece higher.

In the technical scheme, the first connecting piece is horn-shaped and is arranged in the closing part, the side wall of the first connecting piece is fully provided with the through holes, the larger opening end of the first connecting piece is fixedly connected with the valve casing, the cylinder body is embedded in the smaller opening end of the first connecting piece, the telescopic end of the temperature control telescopic piece faces towards the inside of the valve casing and extends into the valve core, and the second connecting piece is connected with the valve core in a transmission mode through hollowing out.

The beneficial effects of the above technical scheme are that: the temperature control telescopic piece is simple in structure, does not affect the liquid discharge of the water economizer, and enables the temperature control telescopic piece to be installed more stably.

In the above technical scheme, the second connecting piece is a hollow plate, the second connecting piece is located in the valve core, the second connecting piece and the valve core are fixedly connected, and one end of the piston rod, which is far away from the piston, is in transmission connection with the second connecting piece.

The beneficial effects of the above technical scheme are that: its simple structure neither influences the entering of the liquid of first inlet equally, makes the piston rod be connected more stably with the case simultaneously.

Drawings

FIG. 1 is a cross-sectional view of a thermostat according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a thermostat according to an embodiment of the present invention;

FIG. 3 is a state diagram of the thermostat core according to the embodiment of the present invention with the second inlet closed;

FIG. 4 is a diagram illustrating an opened state of a second inlet of the core of the thermostat according to the embodiment of the present invention;

FIG. 5 is another schematic view of a thermostat core according to an embodiment of the present invention;

fig. 6 is another schematic view of the thermostat core according to the embodiment of the present invention.

In the figure: the hydraulic thermostat comprises a thermostat core 1, a valve housing 11, a valve core 12, a second connecting piece 121, a temperature-controlled telescopic piece 13, a cylinder 131, a piston 132, a piston rod 133, an elastic piece 134, a first connecting piece 14, a closing piece 15, a housing 2, a first liquid inlet port 21, a second liquid inlet port 22 and a clamping piece 3.

Detailed Description

The principles and features of the present invention are described below in conjunction with the drawings and the embodiments, which are set forth for the purpose of illustration only and are not intended to limit the scope of the invention.

As shown in fig. 1 and fig. 2, the present embodiment provides a thermostat, which includes a thermostat core 1, a flexible housing 2 and two hooping members 3, wherein the thermostat core 1 is a cylindrical member, the sidewall and the end portions of both ends of the thermostat core are provided with openings, the opening of one end forms a first inlet, the opening of the other end forms a liquid outlet, the opening of the sidewall forms a second inlet, the housing 2 is in the shape of a trough, the bottom end of the trough is provided with a first inlet port 21 communicated with the interior of the housing, the middle portion of the trough wall is provided with a second inlet port 22 communicated with the interior of the trough wall, the thermostat core 1 is disposed in the housing 2, the end of the trough provided with the first inlet port faces the trough bottom of the housing 2, and the second inlet port 22 is aligned with the second inlet port, the two hooping members 3 are respectively disposed on the housing 2 and located at two sides of the second inlet port 22, it is used for jointly will 2 hoops of casing are in on the thermostat core 1, and will first feed liquor interface 21 and second feed liquor interface 22 are located the passageway that the gap constitutes between 2 and the thermostat core 1 of casing cuts (first feed liquor interface and second feed liquor interface can only pass through the inside intercommunication of thermostat core promptly), just first feed liquor interface 21 with first feed liquor intercommunication, second feed liquor interface 22 with second feed liquor intercommunication, its simple structure adopts flexible material with the casing to hooping casing and thermostat core through hooping the piece, so make easy dismounting between casing and the thermostat core, make things convenient for first feed water interface and second to enter water interface and inlet channel simultaneously and be connected.

Among the above-mentioned technical scheme casing 2 is made for silica gel or latex material, and its compliance is good, possesses insulating properties simultaneously, still possesses better ageing resistance effect in addition.

As shown in fig. 3 and fig. 4, in the above technical solution, the thermostat core 1 includes a valve housing 11, a valve core 12 and a temperature control expansion piece 13, the valve housing 11 and the valve core 12 are both in a straight tube shape, an opening is formed in the middle of a side wall of the valve housing 11 to form the second inlet, the valve core 12 is disposed in the middle of the valve housing 11, and an outer side wall of the valve housing 11 is in sliding contact with an inner side wall of the valve housing 11 to seal the second inlet, the temperature control expansion piece 13 is mounted at one end of the valve housing 11 through a hollow first connecting member 14, an expansion end of the temperature control expansion piece 13 faces the valve core 12 and is in transmission connection with the valve core 12, one end of the valve housing 11, which is provided with the temperature control expansion piece 13, forms the outlet thereof, the other end of the valve housing 11 forms the first inlet, the thermostat core 1 is disposed in the housing 2, and the housing 2 is tightened by, the temperature control expansion piece 13 extends or contracts along with the temperature change of fluid flowing through the temperature control expansion piece to drive the valve core 12 to move to open or close the second liquid inlet, the structure is simple, the opening and closing of the second liquid inlet on the thermostat core are influenced by the liquid temperature at the liquid outlet of the thermostat core, when cooling liquid circulates through the thermostat core, if the temperature of the cooling liquid rises to enable the temperature control expansion piece to drive the valve core to open the second liquid inlet so as to increase the flow of the cooling liquid and improve the cooling effect, the temperature of the cooling liquid to be circulated is gradually reduced to enable the opening amount of the second liquid inlet to be reduced until the temperature control expansion piece drives the valve core to seal the second liquid inlet, wherein the opening and closing of the second liquid inlet do not need manual operation, meanwhile, the temperature of the cooling liquid in the cooling liquid circulation loop keeps dynamic balance, and poor cooling effect is avoided, while avoiding overcooling of the equipment.

As shown in fig. 6, in the above technical solution, the thermostat core 1 further includes a closing part 15, the closing part 15 is in a horn shape, the larger end of the opening is connected with the end of the valve casing 11, which is provided with the temperature control expansion piece 13, in a sealing manner, the smaller end of the opening forms a liquid outlet, and the temperature control expansion piece 13 is located in the closing part 15, so that the thermostat is convenient to connect the liquid outlet pipe, and simultaneously, the liquid discharged from the thermostat is in full contact with the temperature control expansion piece, so that the expansion and contraction of the temperature control expansion piece are more sensitive.

In the above technical solution, the temperature control expansion member 13 includes a cylinder 131, a piston 132 and a piston rod 133, the cylinder 131 is in a groove shape, the piston 132 is disposed in the cylinder 131 and is in sealing contact with an inner side wall of the cylinder 131, one end of the piston rod 133 extends into the cylinder 131 through a notch of the cylinder 131, and the other end of the piston rod constitutes an expansion end of the temperature control expansion member 13, paraffin is filled in a sealed cavity formed by the piston 132 and the cylinder 131 in the cylinder 131, an inward flange is disposed at the notch of the cylinder 131 to prevent the piston 132 from sliding out of the cylinder 131, the cylinder 131 is connected to the valve housing 11 through the first connection member 14, paraffin in the temperature control expansion member 13 expands with an increase in temperature of a fluid flowing through the paraffin to press the piston 132 to move to the notch of the cylinder 131 to extend, or contracts with a decrease in temperature of the fluid flowing through the paraffin to make the piston 132 move to the cylinder 131 under a vacuum action The paraffin wax moving device moves in the inner direction to shrink, has a simple structure, can melt paraffin wax at 47-64 ℃, has good thermal expansion and cold contraction performance, and has large volume change caused by temperature.

As shown in fig. 5, the temperature controlled expansion and contraction member 13 further includes an elastic member (134), and the elastic member 134 is mounted on the cylinder 131 and is used for applying elastic tension to the piston 132 with a contraction tendency. Preferably, the elastic member 134 is a spring, which is sleeved on the piston rod 133, and one end of the elastic member is connected to the cylinder 131, and the other end of the elastic member is connected to one end of the piston rod 133, which is far away from the piston 132, so that the temperature control expansion member is more flexible to contract due to the assistance exerted by the spring when contracting.

In the above technical scheme, the cylinder body 131 is a copper member, and the heat conductivity coefficient of copper is high, so that the sensitivity of the temperature control expansion piece is higher.

In the technical scheme, the first connecting piece 14 is horn-shaped and is arranged in the closing piece 15, through holes are fully distributed in the side wall of the first connecting piece, the larger opening end of the first connecting piece 14 is fixedly connected with the valve casing 11, the cylinder body 131 is embedded in the smaller opening end of the first connecting piece 14, the telescopic end of the temperature control telescopic piece 13 faces towards the inside of the valve casing 11 and extends into the valve core 12, and is in transmission connection with the valve core 12 through the hollow second connecting piece 121.

In the above technical solution, the second connecting member 121 is a hollow plate, the two connecting members 121 are located in the valve core 12 and are fixedly connected to each other, and one end of the piston rod 133, which is far away from the piston 132, is in transmission connection with the second connecting member 121.

The first liquid inlet of the thermostat core is in a normally open state, the opening and closing of the second liquid inlet and the opening and closing amount (opening size) of the second liquid inlet are changed along with the temperature of liquid flowing out of the thermostat core, the second liquid inlet is gradually opened along with the rise of temperature, the opening size is gradually increased, and when the temperature is reduced, the opening size is gradually reduced until the second liquid inlet is completely closed.

Preferably, the valve casing, the valve core and the closing part are all circular rings in cross section and are coaxially distributed.

Preferably, the valve housing and the closing member are made of teflon, so that the core of the thermostat has certain insulating property.

Wherein, the hoop member can adopt a hoop, such as a throat hoop.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a thermostat, its characterized in that, includes thermostat core (1), flexible casing (2) and two hoops spare (3), thermostat core (1) is the column component, and its lateral wall all is equipped with the opening with its both ends tip, and the opening at its both ends constitutes its first inlet and liquid outlet respectively, and the opening on its lateral wall constitutes its second inlet, casing (2) are the cell body shape, and its tank bottom end is equipped with first feed liquor interface (21) rather than inside intercommunication, and its cell wall middle part is equipped with second feed liquor interface (22) rather than inside intercommunication, thermostat core (1) is arranged in casing (2), and its one end that is equipped with first inlet is towards the tank bottom of casing (2), just second feed liquor interface (22) with the second inlet aligns, two hoops spare (3) set up respectively on casing (2), and be located the both sides of second feed liquor interface (22) are used for jointly will casing (2) cramp is in on thermostat core (1), and will first feed liquor interface (21) and second feed liquor interface (22) are only the route that the gap constitutes between casing and the thermostat core cuts, just first feed liquor interface (21) and first inlet intercommunication, second feed liquor interface (22) and second inlet intercommunication.

2. The thermostat of claim 1, wherein the housing (2) is made of silicone or latex.

3. The thermostat of claim 1, wherein the thermostat core body (1) comprises a valve casing (11), a valve core (12) and a temperature control expansion piece (13), the valve casing (11) and the valve core (12) are both in a straight cylinder shape, the middle part of the side wall of the valve casing (11) is provided with an opening and forms the second liquid inlet, the valve core (12) is arranged in the middle part of the valve casing (11), the outer side wall of the valve core is in sliding contact with the inner side wall of the valve casing (11) and seals the second liquid inlet, the temperature control expansion piece (13) is installed at one end of the valve casing (11) through a hollowed first connecting piece (14), the expansion end of the temperature control expansion piece (13) faces the valve core (12) and is in transmission connection with the valve core (12), one end of the valve casing (11) provided with the temperature control expansion piece (13) forms the liquid outlet, and the other end of the valve casing (11) forms the first liquid inlet, the thermostat core body (1) is arranged in the shell body (2), the two hooping pieces (3) hoop the shell body (2) on the valve shell (11), and the temperature control expansion piece (13) expands or contracts along with the temperature change of fluid flowing through the temperature control expansion piece to drive the valve core (12) to move to open or close the second liquid inlet.

4. The thermostat according to claim 3, characterized in that the thermostat core (1) further comprises a mouth piece (15), the mouth piece (15) being flared, the larger open end of which sealingly connects with the end of the valve housing (11) where the temperature-controlled bellows (13) is located, the smaller open end of which constitutes the outlet opening, and the temperature-controlled bellows (13) being located in the mouth piece (15).

5. The thermostat of claim 4, wherein the temperature-controlled expansion piece (13) comprises a cylinder (131), a piston (132) and a piston rod (133), the cylinder (131) is in a groove shape, the piston (132) is arranged in the cylinder (131) and is in sealing contact with the inner side wall of the cylinder (131), one end of the piston rod (133) extends into the cylinder (131) through a notch of the cylinder (131), the other end of the piston rod forms an expansion end of the temperature-controlled expansion piece (13), a sealed cavity formed by the piston (132) and the cylinder (131) in a surrounding manner is filled with paraffin, an inward flange for preventing the piston (132) from sliding out of the cylinder (131) is arranged at the notch of the cylinder (131), the cylinder (131) is connected with the paraffin (11) through the first connecting piece (14), and the paraffin in the temperature-controlled expansion piece (13) expands along with the temperature rise of fluid flowing through the temperature-controlled expansion piece to extrude the valve housing The piston (132) moves towards the notched end of the cylinder (131) to elongate, or to contract as the temperature of the fluid flowing through it decreases so that the piston (132) moves under vacuum into the cylinder (131) to contract.

6. The thermostat according to claim 5, characterized in that the temperature-controlled telescopic element (13) further comprises an elastic element (134), which elastic element (134) is mounted on the cylinder (131) and is intended to exert an elastic tension force on the piston (132) tending to contract.

7. The thermostat of claim 5, wherein the cylinder (131) is a copper component.

8. The thermostat of any one of claims 5 to 7, wherein the first connecting piece (14) is horn-shaped and is arranged in the closing-in piece (15), and through holes are distributed on the side wall of the first connecting piece, the larger opening end of the first connecting piece (14) is fixedly connected with the valve housing (11), the cylinder body (131) is embedded in the smaller opening end of the first connecting piece (14), and the telescopic end of the temperature control telescopic piece (13) faces the valve housing (11) and extends into the valve core (12), and is in transmission connection with the valve core (12) through a hollow second connecting piece (121).

9. The thermostat of claim 8, wherein the second connecting member (121) is a hollow plate, the second connecting member (121) is located in the valve element (12) and fixedly connected with the valve element, and one end of the piston rod (133) far away from the piston (132) is in transmission connection with the second connecting member (121).