CN220688110U

CN220688110U - Solar constant-temperature paraffin valve core

Info

Publication number: CN220688110U
Application number: CN202322325885.XU
Authority: CN
Inventors: 王宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-03-29
Anticipated expiration: 2033-08-28

Abstract

The utility model relates to the technical field of valves, and particularly discloses a solar constant-temperature paraffin valve core, which comprises a first shell and a second shell; one end of the first shell is provided with an adjusting piece; the adjusting piece is connected with a guide piece, the guide piece is provided with a push rod, one end of the push rod is connected with a paraffin temperature sensing rod, a piston is sleeved on the paraffin temperature sensing rod, and a water through hole is formed in the piston; a water mixing ring is arranged in the second shell, and water mixing holes are formed in the water mixing ring; a reset spring is sleeved on the paraffin temperature sensing rod; a part of the first shell, which is positioned between the guide piece and the piston, forms a cold water cavity, and a cold water port is arranged on the first shell; the part, located between the piston and the water mixing ring, of the space formed by connecting the first shell and the second shell forms a hot water cavity, and a hot water port is formed in the first shell; the part of the second shell, which is positioned between the water mixing ring and the bottom of the second shell, forms a water mixing cavity. The utility model has the characteristics of labor saving, high temperature adjusting speed, accurate temperature adjusting and difficult failure of the thermosensitive element.

Description

Solar constant-temperature paraffin valve core

Technical Field

The utility model relates to the technical field of valves, in particular to a solar constant temperature paraffin valve core.

Background

The prior shower generally uses a constant-temperature valve core to realize the constant-temperature water outlet function, and the working principle is approximately as follows: when the water pressure, water temperature or flow rate of the hot water or cold water is suddenly changed, the constant temperature valve core can automatically balance the water inlet proportion of the cold water and the hot water in a short time through the temperature sensing characteristic of the heat sensitive element, so that the temperature of the mixed water can be automatically kept at a set temperature, and the water outlet with constant temperature is realized.

The existing constant temperature valve core is characterized in that the reset spring in the existing constant temperature valve core is respectively connected with the valve rod and the sliding block provided with the hot water inlet and the cold water inlet, the valve rod is screwed or unscrewed, so that the reset spring is compressed or reset to push the sliding block to move upwards or downwards, the opening size of the hot water inlet and the opening size of the cold water inlet are controlled, the constant temperature valve core of the type not only overcomes friction force but also overcomes the elasticity of the spring in the process that the valve rod rotates to drive the sliding block to move, and the displacement of the sliding block is greatly influenced by the reset spring; the adjustment quantity of the valve rod cannot be directly transmitted to the sliding block, namely, the opening sizes of the hot water inlet and the cold water inlet are controlled inaccurately, so that the temperature adjustment is inaccurate and the reaction speed is low; the heat-sensitive element in the constant temperature valve core is opposite to the hot water inlet, hot water flows into the heat-sensitive element directly, the hot water always impacts the paraffin temperature sensing rod, paraffin is easy to lose efficacy under high-temperature impact for a long time, the paraffin is not used in a solar environment (the solar water temperature in summer can reach more than 90 ℃), and the paraffin constant temperature faucet in the market can particularly indicate that solar energy cannot be used.

Patent document with publication number of CN219242708U discloses a structure of a cold-hot temperature-regulating constant temperature valve core, comprising a housing, a valve rod, a first temperature-regulating slide block, a second temperature-regulating slide block and a thermosensitive deforming member; the shell is provided with a hot water inlet, a cold water inlet, a mixed water outlet and a diversion cavity communicated with the hot water inlet, the cold water inlet and the mixed water outlet; the first temperature regulating slide block is arranged in the flow guiding cavity, a hot water cutting port and a cold water cutting port are arranged on the first temperature regulating slide block, the hot water cutting port is communicated with the hot water inlet in a sealing way, and the cold water cutting port is communicated with the cold water inlet in a sealing way; the valve rod is connected with and drives the first temperature regulating slide block to slide in the flow guiding cavity so as to regulate the superposition between the hot water cutting port and the hot water inlet and between the cold water cutting port and the cold water inlet; the second temperature-regulating slide block is arranged in the first temperature-regulating slide block, a hot water inlet hole and a cold water inlet hole are formed in the second temperature-regulating slide block, the hot water inlet hole is communicated with the hot water cutting opening in a sealing mode, the cold water inlet hole is communicated with the cold water cutting opening in a sealing mode, and the thermosensitive deformation piece is arranged between the first temperature-regulating slide block and the second temperature-regulating slide block. The valve rod is required to rotate to drive the first adjusting slide block to slide for temperature adjustment, the operation is complicated, the internal friction force of the first adjusting slide block is required to be overcome, and the operation is also laborious.

Therefore, the existing constant temperature valve core has the problems of relatively laborious operation, low temperature adjustment speed, inaccurate temperature adjustment and easy failure of the thermosensitive element.

Disclosure of Invention

The utility model aims to solve the technical problems of the prior constant temperature valve core, and provides a solar constant temperature paraffin valve core, which has the characteristics of labor saving, high temperature adjusting speed, accurate temperature adjusting and difficult failure of a thermosensitive element.

The technical scheme of the utility model is as follows: the solar constant-temperature paraffin valve core comprises a first shell and a second shell, wherein the first shell and the second shell are in threaded connection; an adjusting piece is rotatably arranged at one end of the first shell; the adjusting piece is connected with a guide piece through threads, a push rod is arranged at one end, far away from the adjusting piece, of the guide piece, one end, far away from the adjusting piece, of the push rod is connected with a paraffin temperature sensing rod, a piston is sleeved on the paraffin temperature sensing rod through threads, and a plurality of water holes are formed in the piston; the paraffin temperature sensing device is characterized in that a water mixing ring is arranged in the second shell, the water mixing ring is sleeved on a paraffin temperature sensing rod, a plurality of water mixing holes are formed in the water mixing ring, a third supporting table is arranged on the paraffin temperature sensing rod, and the water mixing ring is contacted with the table top of the third supporting table; a reset spring is sleeved on the paraffin temperature sensing rod, one end of the reset spring is connected with the third supporting table, and the other end of the reset spring is connected with the bottom of the second shell; the part of the first shell, which is positioned between the guide piece and the piston, forms a cold water cavity, the first shell is provided with a cold water port, the cold water port is communicated with the cold water cavity, and the cold water port is movably corresponding to the piston; the part, located between the piston and the water mixing ring, of the space formed by connecting the first shell and the second shell forms a hot water cavity, a hot water port is arranged on the first shell and is communicated with the hot water cavity, and the hot water port is movably corresponding to the piston; and a part of the second shell, which is positioned between the water mixing ring and the bottom of the second shell, forms a water mixing cavity. According to the utility model, the first shell and the second shell are used as the external supporting structure of the whole valve core, so that the work of each part in the valve core can be well protected, and the influence of external factors on the work of each part in the valve core is avoided; the guide piece is driven to advance and retreat through the rotation adjusting piece, so that the cold water port or the hot water port can be fully opened or fully closed, impurities in the valve core can be flushed out under the flushing action of large water flow, and the phenomenon that the impurities block a channel or a through hole in the valve core due to the impurities for a long time is avoided; one end of the ejector rod is propped against the guide piece to receive the adjusting acting force of the guide piece, the ejector rod is also used for being matched with the expansion and contraction of the paraffin temperature sensing rod, so that the movement of the piston is realized, the opening of the cold water port and the opening of the hot water port are adjusted, the whole water temperature is adjusted, the piston correspondingly moves under the expansion and contraction action of the paraffin temperature sensing rod, the opening adjustment of the cold water port and the hot water port can be realized, the whole temperature adjusting process is time-saving and labor-saving, the temperature adjusting speed is higher, the temperature adjusting accuracy is better, and the bathing comfort temperature can be controlled to be between 36 ℃ and 42 ℃ during bathing; the paraffin temperature sensing rod is used for sensing the water temperature, and the water temperature is adjusted through self telescopic reaction; the piston moves along with the expansion and contraction of the paraffin temperature sensing rod, and the opening of the cold water port and the hot water port are adjusted; the water through holes are used for mixing cold water and hot water; according to the utility model, the water mixing ring is arranged, the paraffin temperature sensing rod is positioned in the water mixing ring, high-temperature hot water enters the hot water cavity when entering from the hot water inlet, hot water does not continuously flow towards the paraffin temperature sensing rod, the temperature sensing performance of the paraffin temperature sensing rod is not reduced due to long-term flushing of hot water, under the blocking effect of the water mixing ring, cold water and hot water are blocked and mixed at the water mixing ring, then enter the water mixing cavity from the water mixing hole, the temperature of the mixed water entering the water mixing cavity is relatively balanced and stable, the paraffin temperature sensing rod is always soaked in warm water with stable temperature, and the service life is greatly prolonged; the cold water and the hot water are mixed and then flow out for use, so that the solar water heater can be normally used in a solar high-temperature environment and has a wider application range; the return spring always has acting force on the third supporting table, so that the ejector rod always abuts against the guide piece; the cold water cavity is used for storing cold water coming in from the cold water port; the hot water cavity is used for storing hot water coming in from the hot water port; the water mixing cavity is used for storing stable water with stable temperature after cold and hot mixing.

Preferably, a fifth elastic ring is sleeved on the adjusting piece, and the fifth elastic ring is attached to the inner wall surface of the first shell; the guide member is located on the adjustment member at a position remote from the fifth elastic ring. The fifth elastic ring plays roles of friction and sealing, so that water in the cold water cavity is prevented from leaking, and stable water pressure in the whole valve core is ensured.

Preferably, the adjusting piece is provided with a clamping groove, a clamping ring is arranged in the clamping groove, and the clamping ring is positioned at the rotating connection part of the adjusting piece and the first shell. The snap ring can better guarantee the stability of adjusting part when rotating the regulation, and the surface of snap ring is smooth face for adjusting part can better rotate.

Preferably, the snap ring has an opening structure. More preferably, the clamping ring is of a C-shaped structure. The snap ring with the opening structure can be conveniently taken down and installed at the clamping groove.

Preferably, the adjusting piece is provided with a first supporting table and a second supporting table, the first supporting table is located between the clamping groove and the second supporting table, the first supporting table is provided with a supporting ring, and the fifth elastic ring is located between the first supporting table and the second supporting table. The support ring can well realize stable installation of the adjusting piece in the first shell, the smooth finish of the adjusting piece and the first shell cannot be influenced by friction during rotation, and the upper surface and the lower surface of the support ring are smooth surfaces.

Preferably, a third mounting groove is formed in one end, far away from the adjusting piece, of the guide piece, and a part of the ejector rod is located in the third mounting groove. The third mounting groove is of a flaring structure, and the third mounting groove can stably realize the abutting relation between the ejector rod and the guide piece.

Preferably, a first mounting groove and a second mounting groove are sequentially formed in the outer wall surface of the first shell along the direction away from the adjusting piece, and a first elastic ring and a second elastic ring are respectively arranged in the first mounting groove and the second mounting groove. The first elastic ring and the second elastic ring play roles of friction and sealing, so that mixed water flowing out of the valve core after the valve core is used can not permeate into other places in the valve.

Preferably, a seventh mounting groove is formed in the outer wall surface of the second housing, and a seventh elastic ring is arranged in the seventh mounting groove. The seventh elastic ring plays roles of friction and sealing, so that mixed water flowing out after the valve core is used can not permeate into other places in the valve.

Preferably, a fourth mounting groove is formed in the outer wall surface of the piston, a slip ring is arranged in the fourth mounting groove, and the slip ring is attached to the inner wall surface of the first shell. The sliding ring is arranged to enable the resistance of the piston in the moving process to be small, the moving sensitivity is high, and when the temperature is regulated, even if the fluctuation range of the outlet water temperature is small, the outlet water can be rapidly reacted and regulated into constant-temperature outlet water, the outlet water with low or high temperature can not appear, and the constant-temperature outlet water effect is guaranteed all the time.

Preferably, a sixth mounting groove is formed in the outer wall surface of the water mixing ring, a sixth elastic ring is arranged in the sixth mounting groove, and the sixth elastic ring is attached to the inner wall surface of the second shell. The sixth elastic ring plays a role of friction and sealing to prevent the hot water and the mixed water from flowing from a place except the water mixing hole.

Preferably, a temperature bulb is arranged at one end of the paraffin temperature sensing rod, which is far away from the adjusting piece, a water outlet hole is arranged at the bottom surface of the second shell, and the temperature bulb is positioned in the water outlet hole. The temperature package can be good the water temperature of response case to in time transmit the temperature to paraffin temperature-sensing stick and produce flexible change.

Preferably, the first elastic ring, the second elastic ring, the fifth elastic ring, the sixth elastic ring and the seventh elastic ring are rubber rings.

The utility model has the following beneficial effects:

(1) The first shell and the second shell are used as external supporting structures of the whole valve core, so that the work of each part in the valve core can be well protected, and the influence of external factors on the work of each part in the valve core is avoided; the guide piece is driven to advance and retreat through the rotation adjusting piece, so that the cold water port or the hot water port can be fully opened or fully closed, impurities in the valve core can be flushed out under the flushing action of large water flow, and the phenomenon that the impurities block a channel or a through hole in the valve core due to the impurities for a long time is avoided; one end of the ejector rod is propped against the guide piece to receive the adjusting acting force of the guide piece, the ejector rod is also used for being matched with the expansion and contraction of the paraffin temperature sensing rod, so that the movement of the piston is realized, the opening of the cold water port and the opening of the hot water port are adjusted, the whole water temperature is adjusted, the piston correspondingly moves under the expansion and contraction action of the paraffin temperature sensing rod, the opening adjustment of the cold water port and the hot water port can be realized, the whole temperature adjusting process is time-saving and labor-saving, the temperature adjusting speed is higher, the temperature adjusting accuracy is better, and the bathing comfort temperature can be controlled to be between 36 ℃ and 42 ℃ during bathing; the paraffin temperature sensing rod is used for sensing the water temperature, and the water temperature is adjusted through self telescopic reaction; the piston moves along with the expansion and contraction of the paraffin temperature sensing rod, and the opening of the cold water port and the hot water port are adjusted; the water through holes are used for mixing cold water and hot water;

(2) By arranging the water mixing ring, the paraffin temperature sensing rod is positioned in the water mixing ring, high-temperature hot water enters the hot water cavity when entering from the hot water port, hot water does not continuously wash towards the paraffin temperature sensing rod, the temperature sensing performance of the paraffin temperature sensing rod cannot be reduced due to long-term washing of the hot water, under the blocking effect of the water mixing ring, cold water and hot water enter the water mixing cavity from the water mixing hole after being blocked and mixed at the water mixing ring, the temperature of the mixed water entering the water mixing cavity is relatively balanced and stable, and the paraffin temperature sensing rod is always soaked in warm water with stable temperature, so that the service life is greatly prolonged; the cold water and the hot water are mixed and then flow out for use, so that the solar water heater can be normally used in a solar high-temperature environment and has a wider application range;

(3) The return spring always has acting force on the third supporting table, so that the ejector rod always abuts against the guide piece; the cold water cavity is used for storing cold water coming in from the cold water port; the hot water cavity is used for storing hot water coming in from the hot water port; the water mixing cavity is used for storing stable water with stable temperature after cold and hot mixing.

Drawings

FIG. 1 is a first perspective view of the present utility model;

FIG. 2 is a second perspective view of the present utility model;

FIG. 3 is an exploded view of the structure of the present utility model;

fig. 4 is a longitudinal cross-sectional view of the present utility model.

The marks in the drawings are: 100-first shell, 101-cold water cavity, 102-cold water port, 103-hot water cavity, 104-hot water port, 105-first mounting groove, 106-second mounting groove, 107-first elastic ring, 108-second elastic ring, 200-second shell, 201-water mixing cavity, 202-seventh mounting groove, 203-seventh elastic ring, 204-water outlet, 300-adjusting piece, 301-fifth elastic ring, 302-clamping groove, 303-clamping ring, 304-first supporting table, 305-second supporting table, 306-supporting ring, 400-guiding piece, 401-third mounting groove, 500-ejector pin, 600-paraffin temperature sensing rod, 601-third supporting table, 602-reset spring, 603-temperature pack, 700-piston, 701-water through hole, 702-fourth mounting groove, 703-sliding ring, 800-water mixing ring, 801-water mixing hole, 802-sixth mounting groove, 803-sixth elastic ring.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.

The solar constant temperature paraffin valve core as shown in fig. 1 and 2 comprises a first shell 100 and a second shell 200, wherein the first shell and the second shell are in threaded connection; an adjusting member 300 is rotatably provided at one end of the first housing; the adjusting piece is connected with a guide piece 400 in a threaded manner, one end, far away from the adjusting piece, of the guide piece is provided with a push rod 500, one end, far away from the adjusting piece, of the push rod is connected with a paraffin temperature sensing rod 600, a piston 700 is sleeved on the paraffin temperature sensing rod in a threaded manner, and a plurality of water through holes 701 are formed in the piston; the second shell is internally provided with a water mixing ring 800 shown in fig. 3, the water mixing ring is sleeved on a paraffin temperature sensing rod, the water mixing ring is provided with a plurality of water mixing holes 801 shown in fig. 4, the paraffin temperature sensing rod is provided with a third supporting table 601, and the water mixing ring is contacted with the table top of the third supporting table; a reset spring 602 is sleeved on the paraffin temperature sensing rod, one end of the reset spring is connected with the third supporting table, and the other end of the reset spring is connected with the bottom of the second shell; a cold water cavity 101 is formed in the part, located between the guide piece and the piston, of the first shell, a cold water port 102 is formed in the first shell, the cold water port is communicated with the cold water cavity, and the cold water port corresponds to the piston in a movable mode; a part, located between the piston and the water mixing ring, of the space formed by connecting the first shell and the second shell forms a hot water cavity 103, a hot water port 104 is arranged on the first shell and is communicated with the hot water cavity, and the hot water port is movably corresponding to the piston; the portion of the second housing between the water mixing ring and the bottom of the second housing forms a water mixing chamber 201.

The adjusting piece is sleeved with a fifth elastic ring 301, and the fifth elastic ring is attached to the inner wall surface of the first shell; the guide member is located on the adjustment member at a position remote from the fifth elastic ring. The adjusting piece is provided with a clamping groove 302, a clamping ring 303 is arranged in the clamping groove, and the clamping ring is positioned at the rotating connection part of the adjusting piece and the first shell. The snap ring is of an opening structure. The adjusting member is provided with a first support table 304 and a second support table 305, the first support table is located between the clamping groove and the second support table, the first support table is provided with a support ring 306, and the fifth elastic ring is located between the first support table and the second support table. A third mounting groove 401 is formed in one end, away from the adjusting piece, of the guide piece, and a part of the ejector rod is located in the third mounting groove. The outer wall surface of the first shell is sequentially provided with a first mounting groove 105 and a second mounting groove 106 along the direction away from the adjusting piece, and the first mounting groove and the second mounting groove are respectively provided with a first elastic ring 107 and a second elastic ring 108. A seventh mounting groove 202 is formed in the outer wall surface of the second housing, and a seventh elastic ring 203 is arranged in the seventh mounting groove. The outer wall surface of the piston is provided with a fourth mounting groove 702, a sliding ring 703 is arranged in the fourth mounting groove, and the sliding ring is attached to the inner wall surface of the first shell. A sixth mounting groove 802 is formed in the outer wall surface of the water mixing ring, a sixth elastic ring 803 is arranged in the sixth mounting groove, and the sixth elastic ring is attached to the inner wall surface of the second shell. One end of the paraffin temperature sensing rod, which is far away from the adjusting piece, is provided with a temperature bulb 603, the bottom surface of the second shell is provided with a water outlet hole 204, and the temperature bulb is positioned in the water outlet hole. The first elastic ring, the second elastic ring, the fifth elastic ring, the sixth elastic ring and the seventh elastic ring are all rubber rings.

The working principle of the utility model is as follows:

when the temperature of the mixed water is sensed to be higher than the set temperature by the temperature bulb 603, the paraffin temperature sensing rod 600 stretches, the paraffin temperature sensing rod pushes the piston 700 to move towards the hot water cavity 103, the reset spring 602 compresses, the relative opening degree of the outer wall surface of the piston and the cold water port 102 increases, and the relative opening degree of the outer wall surface of the piston and the hot water port 104 decreases; when the temperature of the mixed water is sensed to be lower than the set temperature by the temperature bulb, the paraffin temperature sensing rod is contracted, the reset spring is stretched, the reset spring enables the piston to move towards the cold water cavity 101 through the paraffin temperature sensing rod, the relative opening of the outer wall surface of the piston and the cold water port is reduced, and meanwhile, the relative opening of the outer wall surface of the piston and the hot water port is increased; thereby controlling the flow of cold/hot water into the water mixing cavity to ensure that the temperature of the water outlet is constant.

When the cold water is suddenly stopped, the water temperature in the water mixing cavity 201 is increased, the paraffin temperature sensing rod 600 is extended, the paraffin temperature sensing rod pushes the piston 700 to move towards the hot water cavity 103, the reset spring 602 is compressed, and the outer wall surface of the piston moves to block the hot water port 104; when the hot water is suddenly cut off, the water temperature in the water mixing cavity is reduced, the paraffin temperature sensing rod is contracted, the reset spring is extended, the reset spring enables the piston to move towards the cold water cavity 101 through the paraffin temperature sensing rod, and the cold water port 102 is blocked after the outer wall surface of the piston moves.

When the adjusting member 300 is rotated to the maximum angle to enable the guide member 400 to move downwards to the maximum position, the ejector rod 500 pushes the piston 700 to move downwards to the maximum position, the reset spring 602 compresses, the outer wall surface of the piston completely blocks the hot water gap 104, meanwhile, the cold water gap 102 is completely opened, and impurities can be discharged after flowing to the water mixing cavity 201 through the cold water gap to remove the impurities; when the adjusting piece is rotated to the maximum angle to enable the guide piece to move upwards to the maximum position, the reset spring stretches, the paraffin temperature sensing rod 600 pushes the piston to move upwards to the maximum position, the outer wall surface of the piston moves upwards to completely block the cold water gap, meanwhile, the hot water gap is fully opened, and impurities can be discharged after flowing to the water mixing cavity through the hot water gap to remove the impurities.

Claims

1. A solar constant temperature paraffin case, characterized by: comprises a first shell (100) and a second shell (200), wherein the first shell and the second shell are in threaded connection; an adjusting piece (300) is rotatably arranged at one end part of the first shell; the adjusting piece is connected with a guide piece (400) through threads, one end, far away from the adjusting piece, of the guide piece is provided with a push rod (500), one end, far away from the adjusting piece, of the push rod is connected with a paraffin temperature sensing rod (600), a piston (700) is sleeved on the paraffin temperature sensing rod through threads, and a plurality of water holes (701) are formed in the piston; a water mixing ring (800) is arranged in the second shell, the water mixing ring is sleeved on a paraffin temperature sensing rod, a plurality of water mixing holes (801) are formed in the water mixing ring, a third supporting table (601) is arranged on the paraffin temperature sensing rod, and the water mixing ring is contacted with the table top of the third supporting table; a reset spring (602) is sleeved on the paraffin temperature sensing rod, one end of the reset spring is connected with the third supporting table, and the other end of the reset spring is connected with the bottom of the second shell; a cold water cavity (101) is formed in the first shell and positioned between the guide piece and the piston, a cold water port (102) is arranged on the first shell, the cold water port is communicated with the cold water cavity, and the cold water port is movably corresponding to the piston; a hot water cavity (103) is formed in a part, located between the piston and the water mixing ring, of a space formed by connecting the first shell and the second shell, a hot water port (104) is formed in the first shell, the hot water port is communicated with the hot water cavity, and the hot water port is movably corresponding to the piston; the part of the second shell, which is positioned between the water mixing ring and the bottom of the second shell, forms a water mixing cavity (201).

2. The solar constant temperature paraffin valve core according to claim 1, wherein: a fifth elastic ring (301) is sleeved on the adjusting piece, and the fifth elastic ring is attached to the inner wall surface of the first shell; the guide member is located on the adjustment member at a position remote from the fifth elastic ring.

3. The solar constant temperature paraffin valve core according to claim 2, wherein: the adjusting piece is provided with a clamping groove (302), a clamping ring (303) is arranged in the clamping groove, and the clamping ring is positioned at the rotating connection part of the adjusting piece and the first shell.

4. A solar thermostatic paraffin spool as defined in claim 3, wherein: the clamping ring is of an opening structure.

5. A solar thermostatic paraffin spool as defined in claim 3, wherein: the adjusting piece is provided with a first supporting table (304) and a second supporting table (305), the first supporting table is located between the clamping groove and the second supporting table, a supporting ring (306) is placed on the first supporting table, and the fifth elastic ring is located between the first supporting table and the second supporting table.

6. The solar constant temperature paraffin valve core according to claim 1, wherein: the outer wall surface of the first shell is sequentially provided with a first mounting groove (105) and a second mounting groove (106) along the direction away from the adjusting piece, and the first mounting groove and the second mounting groove are respectively provided with a first elastic ring (107) and a second elastic ring (108).

7. The solar constant temperature paraffin valve core according to claim 1, wherein: a seventh mounting groove (202) is formed in the outer wall surface of the second shell, and a seventh elastic ring (203) is arranged in the seventh mounting groove.

8. The solar constant temperature paraffin valve core according to claim 1, wherein: the outer wall surface of the piston is provided with a fourth mounting groove (702), a slip ring (703) is arranged in the fourth mounting groove, and the slip ring is attached to the inner wall surface of the first shell.

9. The solar constant temperature paraffin valve core according to claim 1, wherein: a sixth mounting groove (802) is formed in the outer wall surface of the water mixing ring, a sixth elastic ring (803) is arranged in the sixth mounting groove, and the sixth elastic ring is attached to the inner wall surface of the second shell.

10. The solar constant temperature paraffin valve core according to claim 1, wherein: one end of the paraffin temperature sensing rod, which is far away from the adjusting piece, is provided with a temperature bulb (603), the bottom surface of the second shell is provided with a water outlet hole (204), and the temperature bulb is positioned in the water outlet hole.