CN210950017U

CN210950017U - Split type thermostatic valve

Info

Publication number: CN210950017U
Application number: CN201921452114.4U
Authority: CN
Inventors: 薛令斌
Original assignee: Weifang Baile Sanitary Ware Products Co ltd
Current assignee: Weifang Baile Sanitary Ware Products Co ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-07-07
Anticipated expiration: 2029-09-03

Abstract

The utility model belongs to constant temperature bathroom field relates to a thermostatic valve, in particular to split type thermostatic valve. The valve comprises a main valve body, a shell, a switch valve core and a thermostatic valve core, wherein the main valve body consists of a left valve body and a right valve body; the main valve body is also provided with at least one group of fastening components for connecting and fastening the left valve body and the right valve body. The utility model provides a two kinds of modes of locking are connected with left and right valve body, and the first kind sets up fastening component on the outer valve body of rivers passageway, and the second kind is that directly sets up fastening component on the rivers passageway, no matter grafting structure is double plug or single plug structure, all can be suitable for, and two kinds of locking mode designs are all very ingenious, can extensively be applicable to on the valve body of various thermostatic valves.

Description

Split type thermostatic valve

Technical Field

The utility model belongs to constant temperature bathroom field relates to a thermostatic valve, in particular to split type thermostatic valve.

Background

The thermostatic valve is a water heating device which mixes cold water and hot water and outputs warm water. The core temperature control mechanism is a thermostatic valve core, which basically comprises a main body, a temperature sensing element, a return spring, a piston and the like, and the mixing proportion of cold water and hot water is automatically adjusted through the difference value of the outlet water temperature of mixed water and the set temperature, so that the outlet water temperature is in a basically constant state.

A common thermostatic valve, which can be called as a thermostatic faucet, generally comprises a housing, a main valve body, a switch valve core for controlling water quantity and opening and closing, and a thermostatic valve core, wherein a plurality of independent water flow channels are arranged in the main valve body for cold, hot and mixed water to flow. For example, chinese patent with application number CN201420741028.6 provides a novel thermostatic faucet, in which a hot water inlet channel, a hot water outlet channel, a mixed water inlet channel, a mixed water outlet channel, etc. are provided in a valve body, and it can be seen from the specification and drawings that the valve body is of an integrated configuration, the water paths in the valve body are staggered, the structure is complex and the partition walls are more. In the prior art, when the valve body is manufactured, injection molding and integral forming are mostly adopted, and higher requirements on the production process and the manufacturing precision are often met. Due to the limitation of the valve body structure, more core rods can be adopted, the longer the waterway channel is, the longer the needed core rod is, the stability of the valve body forming process is reduced, the forming and subsequent processing of products are finally influenced, and in actual production, the problems of low production efficiency, low yield, high rejection rate and the like generally exist, so that the resource waste is caused. Therefore, the existing thermostatic valve structure is difficult to meet the requirements of production and manufacturing.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an adopt split type structure, shorten the manufacturing length on the corresponding valve body, reduce the technological precision and the production degree of difficulty, improve the finished product rate of high priority, and then practice thrift production resource, reduction in production cost's split type thermostatic valve.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a split type thermostatic valve comprises a main valve body, a shell, a switch valve core and a thermostatic valve core, wherein the main valve body consists of a left valve body and a right valve body, the switch valve core is installed in the left valve body, the thermostatic valve core is installed in the right valve body, a plurality of water flow channels are correspondingly arranged on the left valve body and the right valve body, and the water flow channels on the left valve body and the corresponding water flow channels on the right valve body are assembled and communicated in a butt joint mode through a splicing part; the main valve body is also provided with at least one group of fastening components for connecting and fastening the left valve body and the right valve body.

Preferably, the plug-in components are bidirectional plugs, namely a left plug and a right plug, the head parts of the water flow channels corresponding to the left valve body and the right valve body are provided with socket joints, and the left plug and the right plug are respectively inserted into the socket joints corresponding to the left valve body and the right valve body to realize the assembly of the left valve body and the right valve body; the hollow part in the middle of the inserting component is a water passing through hole parallel to the main axis; the ring walls on the left plug and the right plug are provided with sealing ring grooves, and sealing rings are sleeved in the sealing ring grooves.

Preferably, the insertion part is tubular, the hollow middle part is a water through hole, the insertion part and the water flow channel of the right valve body are integrally manufactured and molded, a socket is arranged at the head part of the water flow channel corresponding to the left valve body, and the insertion part is inserted into the socket to realize the assembly of the left valve body and the right valve body; the plug-in component is provided with a sealing section, the peripheral wall of the sealing section is provided with a sealing ring groove, and a sealing ring is sleeved in the sealing ring groove. The inserting part can also be integrally manufactured and molded with the water flow channel of the left valve body, and a sleeve joint is arranged at the head part of the water flow channel corresponding to the right valve body; the foregoing is for convenience in explaining the technical contents and is not limited in practice.

Preferably, a pipe convex step for limiting the insertion depth of the insertion part is arranged in the socket.

Preferably, the ring wall on the plug-in component is provided with a water-proof convex ring, the water-proof convex ring is positioned between the left plug and the right plug, and the edge ends of the sockets on the left valve body and the right valve body are abutted to the water-proof convex ring on the corresponding plug-in component.

Preferably, the fastening part comprises a first fastening piece, a second fastening piece and a locking piece, the first fastening piece is fixedly arranged on the left valve body, the second fastening piece is correspondingly and fixedly arranged on the right valve body, the end part of the first fastening piece and the end part of the second fastening piece are staggered and overlapped, and the locking piece locks the overlapping part. The first fastener can also be arranged on the left valve body, and the second fastener is correspondingly and fixedly arranged on the right valve body; the foregoing is for convenience in explaining the technical contents and is not limited in practice.

Preferably, the first fastening piece and the second fastening piece are both in a plate shape, an insertion groove is formed in the end portion of the first fastening piece, and the end portion of the second fastening piece is inserted into the insertion groove to form a concave-convex matching structure; the first fastener is provided with a first lock hole which vertically penetrates through the first fastener, the second fastener is provided with a second lock hole which vertically penetrates through the second fastener, and after the end part of the first fastener and the end part of the second fastener are staggered and overlapped, the locking part penetrates through the first lock hole and the second lock hole to position and lock the left valve body and the right valve body.

Preferably, the fastening part comprises a lock hole, a lock valve clamping groove and a locking part, wherein the lock hole is arranged on the sleeve joint, the lock valve clamping groove is arranged on the insertion part, after the left valve body and the right valve body are inserted and combined through the insertion part, the lock hole corresponds to the lock valve clamping groove in position, and the locking part is inserted into the lock hole and the lock valve clamping groove to position and lock the left valve body and the right valve body; the rear section of the sealing section of the insertion part is correspondingly provided with a valve locking section, and the upper annular wall of the outer wall of the valve locking section is provided with a valve locking clamping groove.

Preferably, the rear section of the valve locking section of the plug-in component is provided with a limiting convex part which is a bulge arranged on the annular wall, and after the left valve body and the right valve body are plugged and combined, the edge end of the socket port into which the plug-in component is inserted is abutted against the limiting convex part.

Preferably, the jack is a long-strip-shaped hole cavity penetrating through the wall of the socket, two hole cavities with the same axis are reserved on the wall of the socket and are respectively a front jack and a rear jack, the front jack is opened outwards, and the rear jack is a through hole or a blind hole; the inner side of the jack is tangent or close to the groove bottom of the lock valve clamping groove; when the retaining member is assembled, the retaining member sequentially penetrates through the front insertion hole, the valve locking clamping groove and the rear insertion hole.

Preferably, the locking member is a screw or a T-shaped bolt or a U-shaped bolt.

Preferably, the right valve body is provided with a thermostatic valve core cavity for mounting the thermostatic valve core, the cavity wall of the thermostatic valve core cavity is provided with a thermostatic valve core cavity cold water inlet hole and a thermostatic valve core cavity hot water inlet hole, the thermostatic valve core cavity hot water inlet hole is positioned on the left side of the thermostatic valve core cavity cold water inlet hole, and the cavity bottom of the thermostatic valve core cavity is also provided with a thermostatic valve core cavity mixed water outlet hole; the cavity of the thermostatic valve core cavity is gradually reduced from outside to inside, a current-limiting component limiting step and a spring limiting step are arranged in the cavity, and the spring limiting step is positioned on the left side of the current-limiting component limiting step.

Preferably, the thermostatic valve core comprises a temperature adjusting handle, a handle sleeve, a valve head, a thermosensitive element, a return spring and a flow limiting assembly, the valve head is in threaded connection with the right valve body, the rest elements are locked in the thermostatic valve core cavity, the temperature adjusting handle is sleeved in the valve head, one end of the temperature adjusting handle is in threaded connection with the handle sleeve, a handle at one end protrudes out of the valve head, and the handle is connected with a thermostatic valve core hand wheel; one end of the reset spring is abutted against the current limiting assembly, and the other end of the reset spring is abutted against the spring limiting step; wherein the thermosensitive element is a paraffin constant temperature component or a memory alloy spring; the flow limiting component is a piston which can be fixedly connected with the paraffin wax constant temperature component, or a single sliding sleeve or double sliding sleeve component which is matched with the memory alloy spring for use.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a split type structure shortens the technological length that corresponds rivers passageway on the valve body, reduces the partition wall to this has reduced the technological precision and the production degree of difficulty, has improved the finished product rate of high priority, and then has practiced thrift production resource, has reduced manufacturing cost. The left valve body and the right valve body are connected through the insertion component, and the installation process is simple and convenient.

2. The utility model discloses design fastening part on the valve body, fastening that can be better connects left and right valve body, fixes a position the locking to left valve body, right valve body in the direction of controlling, avoids when water pressure is too big, pushes away left and right valve body or pushes up the pine and lead to leaking. The main valve body is provided with the fastening part, so that the main valve body is more stable and firm in structure, and the quality of the thermostatic valve is more reliable in actual use.

3. The utility model provides a two kinds of modes of locking are connected with left and right valve body, and the first kind sets up fastening element on the outer valve body of rivers passageway, and the second kind is that directly sets up fastening element on the rivers passageway, no matter grafting component is double plug or single plug structure, all can be suitable for, but two kinds of locking modes and grafting component cross coordination use, can extensively be applicable to on the valve body of various thermostatic valves.

4. In the locking mode of the first valve body, the slot is formed in the end part of the first fastener, the end part of the second fastener is inserted into the slot to form a concave-convex matching structure, the concave-convex matching structure can play a role in positioning and installation, meanwhile, the contact area of the first fastener and the second fastener can be increased, and the locking effect of the left valve body and the right valve body is better.

5. In the second valve body locking mode, the inner side of the jack is tangent to or close to the groove bottom of the valve locking clamping groove; the valve locking clamping groove can be enabled to be partially overlapped with the jack, so that the locking piece can be simultaneously inserted into the valve locking clamping groove when being inserted into the jack, and the left valve body and the right valve body are limited in the left-right direction; the jack is the rectangular shape vestibule for passing socket chamber wall, can effectively increase retaining member and the area of contact who corresponds valve body chamber wall, can play better supporting role to the retaining member, and then improves screens insertion components's steadiness. The outer side of the jack can be intersected, tangent or separated with the outer wall of the valve locking clamping groove, the corresponding locking part can be wide or narrow, the shape corresponds to the size of the jack and the valve locking clamping groove after combination, the jack can be fully contacted with the valve locking clamping groove, and the effect of supporting the valve body is effectively obtained.

6. The two jacks are arranged, so that the locking part can clamp the insertion part from two sides of the insertion part, the contact area between the locking part and the valve locking clamping groove is increased, the insertion part and the associated left valve body or right valve body can be clamped more stably, and the left valve body and the right valve body can be connected in a better fastening manner; the setting of the outer guide block of jack is convenient for the retaining member to insert smoothly in the jack, and this all is favorable to the installation of each accessory, further improves assembly efficiency.

7. The thermostatic valve core of the utility model can be but not limited to a split structure, the thermostatic valve core of the split structure saves more materials, reduces the production cost, and is more convenient for positioning and installation by arranging the limiting step of the current-limiting component and the limiting step of the spring; the thermostatic valve can be applied to different thermosensitive elements and flow limiting assemblies corresponding to the thermosensitive elements, and has various combination forms and wide application range.

In a word, the utility model provides a thermostatic valve, compact structure is firm, and space utilization is reasonable, design benefit, the production and the installation of being convenient for, the manufacturing yield is high, and application scope is extensive, all can be suitable for the thermostatic valve of various play water requirements, is suitable for popularization and application.

Drawings

Fig. 1 is an exploded view of a thermostat valve provided in one embodiment.

Fig. 2 is a perspective view of a main valve body of the thermostat valve provided in one embodiment.

FIG. 3 is another angular perspective view of a main valve body of the thermostat valve provided in accordance with one embodiment.

Fig. 4 is a perspective view of a left valve body of the thermostat valve provided in the first embodiment.

Fig. 5 is a perspective view of a right valve body of the thermostat valve provided in the first embodiment.

Fig. 6 is a perspective view and a sectional view of an insertion member of the thermostat valve according to an embodiment.

Fig. 7 is a perspective view of a main valve body of the thermostat valve provided in the second embodiment.

Fig. 8 is a perspective view of a right valve body of the thermostat valve according to the second embodiment.

Fig. 9 is a sectional view of a right valve body of the thermostat valve provided in the second embodiment.

Fig. 10 is a perspective view of a left valve body of a thermostat valve according to a second embodiment.

Fig. 11 is a schematic view of a locking hole of the thermostat valve provided in the second embodiment.

FIG. 12 is a schematic view of the locking hole and the locking groove after the left and right valve bodies are inserted in the second embodiment.

FIG. 13 is a schematic view of the fastening assembly of FIG. 12 after installation of the fastener.

Fig. 14 is a schematic structural view of the main valve body in the second embodiment when assembled.

Fig. 15 is an overall sectional view of the thermostat valve provided in the second embodiment.

Fig. 16 is a structural sectional view of the thermostat core provided in the third embodiment.

Fig. 17 is a structural sectional view of a thermostat core provided in the fourth embodiment.

In the figure, 1, a main valve body; 11. a mixed water outlet; 12. a water flow channel; 13. a socket; 2. a left valve body; 21. a switch valve core cavity; 22. A hot water inlet; 3. A right valve body; 31. a thermostatic valve core cavity; 32. a cold water inlet; 33. a cold water inlet hole of the constant-temperature valve core cavity; 34. a hot water inlet hole of the thermostatic valve core cavity; 35. a limiting step of the current limiting assembly; 36. a spring limiting step; 37. a mixing water outlet hole of the constant-temperature valve core cavity; 4. a housing; 41. a switch valve core hand wheel; 42. a thermostatic valve core hand wheel; 5. a switch valve core; 6. a thermostatic valve core; 61. a temperature adjusting handle; 62. a handle sleeve; 63. a valve head; 64. a thermosensitive element; 64A, a paraffin constant-temperature component; 64B, a memory alloy spring; 65. a return spring; 66. a current limiting assembly; 66A, a piston; 66B, a single sliding sleeve; 66C, a dual sliding sleeve assembly; 66C1, fixed outer cover; 66C2, sliding inner sleeve; 66C3 and a jacket cold water inlet hole; 66C4, jacket hot water inlet hole; 66C5 and a cold water inlet hole of the inner sleeve; 66C6 and an inner sleeve hot water inlet hole; 67. a valve core sealing ring; 7. a plug-in member; 71-1, a left plug; 72-1, right plug; 73. a water passing through hole; 74-1, a water-resisting convex ring; 75-1, the plug part sealing groove; 71-2, a sealing section; 72-2, a lock valve section; 74-2, a limit convex part; 75. sealing the ring groove; 8. a fastening member; 81-1, a first fastener; 82-1, a second fastener; 83. a locking member; 84-1, a slot; 85-1, a first lock hole; 86-1, a second lock hole; 81-2 and a jack; 81-21, front jack; 81-22 and a rear jack; 82-2, a lock valve clamping groove; 84-2, a guide block; 9. a pipe connector.

Detailed Description

The present embodiment is only for the purpose of explaining and pointing the present invention, and it is not intended to limit the present invention, and those skilled in the art can make modifications to the present embodiment as required without inventive contribution after reading the present specification, but all the embodiments are protected by patent laws within the scope of the claims of the present invention.

Example one

As shown in fig. 1-6, a split thermostatic valve comprises a main valve body 1, a housing 4, a switch valve core 5, a thermostatic valve core 6, a hollow cylindrical housing 4, a switch valve core hand wheel 41 and a thermostatic valve core hand wheel 42, which are respectively connected with handles of the switch valve core 5 and the thermostatic valve core 6 to rotate the handles. The housing 4 is also provided with an opening through which the pipe connector 9 passes.

As shown in fig. 1-5, the main valve body 1 is a split structure, and includes a left valve body 2, a right valve body 3, and an insertion component 7 for connecting the left and right valve bodies, and at least one fastening component 8 for connecting and fastening the left valve body 2 and the right valve body 3 is disposed on the main valve body 1.

This embodiment adopts split type structure, shortens the technology length in water route, reduces the partition wall, reduces the technology precision and the production degree of difficulty, improves the finished product rate of excellence, and then practices thrift manufacturing resource, reduction in production cost.

The design of the fastening part 8 can better fasten and connect the left valve body and the right valve body, and avoids water leakage caused by the fact that the left valve body and the right valve body are jacked open or jacked loose when the water pressure is too high. The fastening part 8 is arranged on the main valve body 1, so that the structure of the main valve body 1 is more stable and firm, and the quality of the thermostatic valve is more reliable in actual use.

The fastening part 8 comprises a first fastening member 81-1, a second fastening member 82-1 and a locking member 83, the first fastening member 81-1 is fixedly arranged on the right valve body 3, the second fastening member 82-1 is correspondingly and fixedly arranged on the left valve body 2, the end part of the first fastening member 81-1 and the end part of the second fastening member 82-1 are staggered and overlapped, and the locking member 83 locks the overlapped part. The first fastening member 81-1 and the second fastening member 82-1 are integrally formed with the right and left

valve bodies

3, 2.

In this embodiment, two sets of fastening members 8 are disposed on the main valve body 1, two second fastening members 82-1 are disposed on the left valve body 2 in parallel, and two first fastening members 81-1 are correspondingly disposed on the right valve body 3.

The first fastening piece 81-1 and the second fastening piece 82-1 are both in a plate shape and are integrated with the corresponding right valve body 3 and the corresponding left valve body 2, the end part of the first fastening piece 81-1 is provided with a slot 84-1, and the end part of the second fastening piece 82-1 is inserted into the slot 84-1 to form a concave-convex matching structure. The concave-convex matching mode can achieve the positioning installation effect, meanwhile, the contact area of the first fastening piece 81-1 and the second fastening piece 82-1 can be increased, and the locking effect of the left valve body 2 and the right valve body 3 is better.

The first fastening member 81-1 may be an elongated member having an end portion provided with a slot 84-1, or may be a simple two-piece structure having a shape of the slot 84-1. The first fastening member 84-1 may also be a sheet-like structure, which overlaps the end of the second fastening member 82-1 in a staggered manner and is then held in place by the retaining member 83, which is simpler and easier to manufacture, and provides advantages.

The end part of the first fastening piece 81-1 is provided with a first locking hole 85-1 vertically penetrating through the first fastening piece 81-1, the end part of the second fastening piece 82-1 is provided with a second locking hole 86-1 vertically penetrating through the second fastening piece 82-1, and after the end part of the first fastening piece 81-1 and the end part of the second fastening piece 82-1 are overlapped in a staggered mode, the first locking hole 85-1 and the second locking hole 86-1 are located on an axis. The locking member 83 passes through the first locking hole 85-1 and the second locking hole 86-1 to position and lock the left valve body 2 and the right valve body 3 in the left-right direction.

The locking piece 83 can be in threaded connection with the first locking hole 85-1 and the second locking hole 86-1, and inner threads are correspondingly arranged on the inner walls of the first locking hole 85-1 and the second locking hole 86-1; or the first fastening piece 81-1 and the second fastening piece 82-1 can be clamped from two sides by screw and nut matching, the modes are different, the effect of positioning and locking the left valve body 2 and the right valve body 3 in the left-right direction can be achieved, and meanwhile, the locking piece 83 is not easy to fall off. The locking member 83 may be a screw or a latch. In this embodiment, as shown in fig. 3, the screw 83-1 is convenient and easy to assemble and disassemble.

The first fastening member 81-1 and the second fastening member 82-1 can be provided with a plurality of sets of first locking holes 85-1 and second locking holes 86-1, so that the locking degree of the first fastening member 81-1 and the second fastening member 82-1 can be enhanced, and the fastening connection degree of the left valve body 2 and the right valve body 3 can be correspondingly enhanced. At the same time, the shape of the lock 83 is also more varied.

As shown in fig. 2-6, the left valve body 2 is provided with a switch valve core cavity 21 for mounting the switch valve core 5, and the valve body is also provided with a hot water inlet 22 perpendicular to the main axis; the right valve body 3 is provided with a thermostatic valve core cavity 31 for mounting the thermostatic valve core 6, and the valve body is also provided with a cold water inlet 32 and a mixed water outlet 11 which are vertical to the main axis. When the thermostatic valve is actually installed, the pipe connectors 9 connected with the pipelines are installed on the hot water inlet 22, the cold water inlet 32 and the mixed water outlet 11.

The switching valve core cavity 21 is opened leftwards, and the constant temperature valve core cavity 31 is opened rightwards; the mixed water outlet 11 is opened forward, and the hot water inlet 22 and the cold water inlet 32 are opened backward. The direction defining the main axis is the left-right direction.

The thermostatic valve in this embodiment is a thermostatic valve with middle water outlet, but the main valve body 1 of the above-described structure is not limited to be applied only to a thermostatic valve with such a requirement, and any long-sized thermostatic valve can use a structure similar to the main valve body 1, and the water outlet method is not limited, and the application range is very wide. And the mixed water outlet 11 can be arranged on the left valve body 2 according to the requirement.

In this embodiment, as shown in fig. 2-6, three flow guide channels parallel to the main axis of the valve body are provided on the main valve body 1, and three corresponding water flow channels 12 are provided on the left valve body 2 and the right valve body 3. The diversion channel and the water flow channel 12 are both channels which are transversely arranged in the middle of the valve body and are in tubular structures (the same below).

The wall of the thermostatic spool cavity 31 is provided with a thermostatic spool cavity cold water inlet hole 33 and a thermostatic spool cavity hot water inlet hole 34, and the thermostatic spool cavity hot water inlet hole 34 is positioned on the left side of the thermostatic spool cavity cold water inlet hole 33. The bottom of the thermostatic valve core cavity 31 is also provided with a thermostatic valve core cavity mixed water outlet hole 37 which is directly communicated with the mixed water outlet 11.

The cavity of the thermostatic valve core cavity 31 gradually shrinks from outside to inside, and a current-limiting component limiting step 35 and a spring limiting step 36 are arranged in the cavity. Referring to fig. 9, the structure in the cavity 31 of the thermostatic cartridge is a general structure of each embodiment of the present invention.

The left plug 71 and the right plug 72 of the plug-in component 7 are respectively inserted into the channel openings of the corresponding channels in the left valve body and the right valve body, and the corresponding channels are communicated through the plug-in component 7 to form an integral flow guide channel.

The constant temperature valve that this embodiment provided, for middle play water, cold, hot water is via 5 switch current-limiting of switch case, and the reextraction flows in the mixing in the constant temperature valve core chamber 31, and constant temperature valve core 6 is through the difference of mixing water leaving water temperature and settlement temperature, the mixing proportion of automatically regulated hot and cold water for the leaving water temperature is in the state of invariable basically, and the mixed water is direct to flow through mixing the water delivery port, and no longer flows back to switch case chamber, thereby has simplified the structure of left and right valve body, the processing of the valve body of being convenient for. And cold water flows from the long pipeline, and the effect of integrally cooling the thermostatic valve can be achieved.

As shown in fig. 6, the plugging part 7 is a bidirectional plug, which is a left plug 71-1 and a right plug 72-1, respectively, the water flow channel heads of the left and

right valve bodies

2, 3 are provided with sockets 13, and the left plug 71-1 and the right plug 72-1 are inserted into the sockets 13 of the corresponding left and

right valve bodies

2, 3, respectively, to realize the assembly of the left and right valve bodies; the middle part of the plug-in component 7 is hollow and provided with a water through hole 73 parallel to the main axis, in this embodiment, the upper ring wall of the plug-in component 7 is provided with a water-stop convex ring 74-1, the water-stop convex ring 74-1 is positioned between the left plug 71-1 and the right plug 72-1, and the side ends of each water flow channel on the left valve body and the right valve body are abutted against the water-stop convex ring 74-1 on the corresponding plug-in component 7. The waterproof convex ring 74-1 is used for limiting the plugging depth of the plugging part 7 and ensuring the standard installation of the plugging part 7. Of course, it is also possible to provide a tube inside step 74-3 on the inner cavity wall of the socket 13, as shown in fig. 14, to define the plugging depth of the plug part 7.

The left plug 71-1 and the right plug 72-1 are respectively sleeved with a plurality of sealing rings, and the annular walls of the left plug 71-1 and the right plug 72-1 are respectively provided with a plugging component sealing groove 75 for accommodating the sealing rings. In this embodiment, as shown in fig. 6, 2 plug member sealing grooves 75 are formed in the left and right plugs 71 and 72, and 2 sealing rings are correspondingly mounted thereon. Double insurance, prevent leaking.

The thermostatic valve that this embodiment provided adopts split type structure, shortens the technology length in water route, reduces the partition wall to this has reduced technology precision and the production degree of difficulty, has improved the finished product rate of high quality, and then has practiced thrift production resource, has reduced manufacturing cost. The left valve body and the right valve body are connected through the insertion component, and the installation process is simple and convenient. The valve body is provided with the fastening component, so that the left valve body and the right valve body can be fastened and connected better, the left valve body and the right valve body are positioned and locked in the left-right direction, and the phenomenon that when the water pressure is too high, the left valve body and the right valve body are jacked open or jacked loose to cause water leakage is avoided. The main valve body is provided with the fastening part, so that the main valve body is more stable and firm in structure, and the quality of the thermostatic valve is more reliable in actual use. The slot is arranged at the end part of the first fastening piece, the end part of the second fastening piece is inserted into the slot to form a concave-convex matching structure, the concave-convex matching form can play a role in positioning and installation, meanwhile, the contact area of the first fastening piece and the second fastening piece can be increased, and the locking effect of the left valve body and the right valve body is better.

Example two

Compared with the first embodiment, the embodiment mainly provides another fastening mode for the left valve body and the right valve body.

As shown in fig. 7-15, the main valve body 1 is a split structure, and includes a left valve body 2, a right valve body 3, and an insertion component 7 for connecting the left and right valve bodies, and at least one fastening component 8 for connecting and fastening the left valve body 2 and the right valve body 3 is disposed on the main valve body 1. In this embodiment, the insertion member 7 and the water flow passage 12 of the right valve body 3 are integrally formed, the water flow passage of the left valve body 2 is provided with the socket 13 in an open state, and the insertion member 7 of the right valve body 3 is inserted into the socket 13 of the left valve body 2, so that the left valve body and the right valve body are assembled. In this embodiment, set up one set of fastening component 8 on the rivers passageway of every butt joint, contain two rivers passageways in this embodiment, have 2 sets of fastening components 8 promptly, the further steadiness of controlling the valve body equipment of having ensured. However, the number of the fastening members 8 is not limited and may be one or more according to the space requirement.

The fastening part 8 comprises an insertion hole 81-2, a locking valve clamping groove 82-2 and a locking part 83, wherein in the embodiment, the insertion hole 81-2 is a through hole arranged on the sleeve port 13 of the left valve body 2, the locking valve clamping groove 82-2 is arranged on the insertion part 7, after the left and right valve bodies are inserted and combined through the insertion part 7, the insertion hole 81-2 corresponds to the locking valve clamping groove 82-2, and the locking part 83-2 is inserted into the insertion hole 81-2 and the locking valve clamping groove 82-2 to connect corresponding water flow channels on the left and right valve bodies, so that the left valve body 2 and the right valve body 3 are positioned and locked in the left-right direction.

As shown in fig. 11-13, the insertion hole 81-2 is a long-strip-shaped hole cavity penetrating through the cavity wall of the socket 13, two holes with the same axis are reserved on the cavity wall of the socket 13, the two holes are respectively a front insertion hole 81-21 and a rear insertion hole 81-22, the front insertion hole 81-21 is opened outwards, and the rear insertion hole 81-22 is a through hole or a blind hole; the inner side of the jack 81-2 is tangent to or close to the groove bottom of the lock valve clamping groove 82-2; when the locking member 83 is assembled, the locking member 83 passes through the front insertion holes 81-21, the clamping groove 3 and the rear insertion holes 81-22 in sequence.

The plug-in component 7 is tubular, and is sequentially provided with a sealing section 71-2, a valve locking section 72-2 and a limiting convex part 74-2 from outside to inside, wherein one side of the plug-in component 7, which is opposite to an external opening, is marked as outward; a sealing ring is sleeved on the peripheral wall of the sealing section 71-2, and a sealing ring groove 75 is correspondingly arranged on the sealing section 71-2; a valve locking clamping groove 82-2 is formed in the upper annular wall of the outer wall of the valve locking section 72-2, and the groove depth of the valve locking clamping groove 82-2 is smaller than the thickness of the pipe wall of the valve locking section 72-2; the limit convex part 74-2 is a bulge arranged on the ring wall, and after the left valve body and the right valve body are spliced and combined, the port of the water flow channel into which the splicing component 7 is inserted is abutted against the limit convex part 74-2. The outer diameter of the sealing section 71-2 is smaller than that of the valve locking section 72-2, so that a reducing structure is formed, and guiding insertion is facilitated. The depth and width of the slot of the lock valve slot 82-2 are matched with the shape of the jack 81-2. The locking valve clamping groove 82 is arranged on the outer side of the locking member 83 in a surrounding mode, the locking member 83 is in contact with the left groove wall and the right groove wall of the locking valve clamping groove 82-2, the left-right moving range of the left valve body or the right valve body which the inserting part 7 belongs to is limited in the aperture of the insertion hole 81-2, and the left valve body and the right valve body are matched and limited in the left-right direction.

The fastening part 8 comprises two insertion holes 81-2, and the two locking holes 81 are symmetrically arranged on two sides of the axis of the water flow channel of the left valve body 2 or the right valve body 3.

In this embodiment, the locking member 83 is a U-shaped latch 83-2, two insertion tubes are respectively inserted into two insertion holes 81-2 of the fastening member 8 and are simultaneously inserted into the valve locking slots 82-2 of the insertion member 7, and the locking member 83 clamps the insertion member 7 from two sides of the insertion member 7. Of course, the locking member 83 may be only T-shaped and inserted into the insertion hole 81-2 one by one. The design of the U-shaped bolt can simplify the installation steps and improve the assembly efficiency. The material of the locking piece 83 in this embodiment is 304 stainless steel.

The outer wall of the water flow channel of the left valve body which the insertion hole 81-2 belongs to is also provided with a guide locking piece 83 which is inserted into a guide block 84-2 of the insertion hole 81-2, the guide block 84-2 is L-shaped, and the two sides of the guide block are tangent to the opening of the insertion hole 81-2. In this embodiment, the guide blocks 84-2 of the two insertion holes 81-2 are integrated to form a [ -shaped structure, which facilitates the positioning and insertion of the U-shaped plug.

The inner side of the jack 81-2 is tangent to or close to the groove bottom of the lock valve clamping groove 82-2; the valve locking clamping groove 82-2 can be partially overlapped with the insertion hole 81-2, so that the locking member 83 can be simultaneously inserted into the valve locking clamping groove 82-2 when being inserted into the insertion hole 81-2, and the left valve body and the right valve body are limited in the left-right direction; the insertion hole 81-2 is a long strip-shaped hole cavity penetrating through the wall of the socket cavity, so that the contact area between the locking piece 83 and the wall of the corresponding valve body cavity can be effectively increased, the locking piece 83 can be better supported, and the stability of the clamping and inserting component is improved. The outer side of the insertion hole 81-2 can be intersected, tangent or separated with the outer wall of the locking valve clamping groove 82-2, the corresponding locking piece 83 can be wide or narrow, the shape corresponds to the size of the insertion hole 81-2 and the locking valve clamping groove 82-2 after combination, and the effects of fully contacting with the locking valve clamping groove 82-2 and effectively supporting the valve body can be achieved.

The two insertion holes 81-2 are arranged, so that the locking member 83 can clamp the insertion part from two sides of the insertion part, the contact area between the locking member 83 and the valve locking clamping groove 82-2 is increased, the insertion part and the associated left valve body or right valve body can be clamped more stably, and the left valve body and the right valve body can be connected in a better fastening mode; the arrangement of the guide block outside the jack is convenient for the locking piece 83 to be smoothly inserted into the jack, and the arrangement of the limiting convex part limits the insertion depth of the insertion part, so that the jack 81-2 of the fastening part 8 is positioned and connected with the valve locking clamping groove 82-2, and the locking piece 83 is convenient to be smoothly inserted into the valve locking clamping groove 82-2. This all facilitates the installation of each accessory, further improves assembly efficiency. In this embodiment, the inner cavity wall of the socket 13 is further provided with a tube inner convex step 74-3 to further limit the insertion depth of the insertion component 7, so as to realize the positioning and installation of the insertion component 7.

As shown in fig. 7-15, the left valve body is provided with a hot water inlet 22 and a mixed water outlet 23, and the right valve body 3 is provided with a cold water inlet 32; a cold water inlet 32 on the right valve body 3 is directly communicated with a cold water inlet hole 33 of the thermostatic valve core cavity; the left valve body 2 is provided with a switch valve core cavity 21 for installing the switch valve core 5, and the hot water inlet 22 and the mixed water outlet 23 are directly communicated with the bottom of the switch valve core cavity 21; the right valve body 3 is provided with a thermostatic valve core cavity 31 for mounting the thermostatic valve core 6, the cavity wall of the thermostatic valve core cavity 31 is provided with a thermostatic valve core cavity cold water inlet hole 33 and a thermostatic valve core cavity hot water inlet hole 34, the thermostatic valve core cavity hot water inlet hole 34 is positioned on the left side of the thermostatic valve core cavity cold water inlet hole 33, and the cavity bottom of the thermostatic valve core cavity 31 is also provided with a thermostatic valve core cavity mixed water outlet hole 37.

The main valve body 1 is provided with two flow guide channels parallel to the main axis of the valve body, and the split bodies are also respectively provided with two water flow channels on the left valve body 2 and the right valve body 3. After the left valve body 2 and the right valve body 3 are inserted, the corresponding water flow channels are combined into a whole flow guide channel. When the valve is installed, the plug-in part 7 of the right valve body 3 is inserted into the water flow channel of the left valve body 2, and then the plug pin is inserted from the jack 81-2, so that the assembly of the main valve body is completed.

The thermostatic valve in this embodiment is a one-side water outlet structure, cold water and hot water directly enter the thermostatic valve core cavity 31 and the switch valve core cavity 21 respectively, and the switch valve core only controls the inflow of hot water and the outflow of mixed water, so that the structure of the valve body is simplified, the main valve body only has two flow guide channels to meet the use requirement, the structure of the left valve body and the right valve body is correspondingly simplified, and the processing and batch production are facilitated.

In this embodiment, the switch valve core 5 is a commonly used element in the industry, has functions of switching, guiding and limiting flow, and can switch and limit flow of cold water and hot water (or mixed water may be included) and guide the flow into a specified water flow channel, and the application thereof is very common, and the switch valve core 5 in this embodiment can be purchased on the market as needed, and the specific structure is not described herein.

The thermostatic valve core 6 in this embodiment is a split structure, and as shown in fig. 14, does not have a valve housing, and only uses a temperature adjusting handle 61, a handle sleeve 62 and a valve head 63 to fix the valve core assembly in the thermostatic valve core chamber 31. The split thermostatic valve core saves valve shell materials, and the elements are installed one by one. However, in practice, the present invention is not limited to this case, and a thermostatic valve cartridge with a valve housing in which a plurality of seal rings are provided for separating cold water from hot water may be commercially available. The thermostatic valve core 6 in this embodiment includes a temperature adjusting handle 61, a handle sleeve 62, a valve head 63, a thermosensitive element 64, a return spring 65 and a flow limiting assembly 66, the valve head 63 is in threaded connection with the right valve body 2, the rest elements are locked in the thermostatic valve core cavity 31, the temperature adjusting handle 61 is sleeved in the valve head 63, one end of the temperature adjusting handle is in threaded connection with the handle sleeve 62, a handle at one end protrudes out of the valve head 63, and the handle is connected with a thermostatic valve core hand wheel 42. In this embodiment, as shown in fig. 9, the cavity of the thermostatic spool cavity 31 gradually reduces in diameter from outside to inside, and a current limiting assembly limiting step 35 and a spring limiting step 36 are arranged in the cavity, where the spring limiting step 36 is located on the left side of the current limiting assembly limiting step 35. As shown in fig. 10 and 12, one end of the return spring 65 abuts against the current limiting assembly 66, and the other end abuts against the spring retaining step 36.

By using the principle of expansion with heat and contraction with cold, the thermosensitive element 64 and the return spring 65 act together to push the current limiting assembly 66 to move left and right along the main axis. During actual use, the thermostatic valve core hand wheel 42 is rotated to drive the temperature adjusting handle 61 to rotate, and then the handle sleeve 62 is driven to move left and right, so that the stretching states of the thermosensitive element 64 and the return spring 65 are influenced, the position of the flow limiting assembly 66 is finally influenced, the water inflow of cold water and hot water is influenced, and the temperature adjusting purpose is finally achieved.

In this embodiment, as shown in fig. 14, the thermosensitive element 64 is a paraffin wax thermostatic assembly 64A, which has been developed for a long time and has a well-developed process, and is still widely used in the field of thermostatic valves (thermostatic faucets).

Current-limiting component 66 be can with paraffin constant temperature component 64A fixed connection's piston 66A, reset spring 65 suit is on paraffin constant temperature component 64A, paraffin constant temperature component's ejector pin offsets with handle cover 62, along with the change of temperature, paraffin constant temperature component's temperature package expend with heat and contract with cold, make piston reverse movement with its ejector pin cooperation, in order to adapt to cold, hydrothermal water inlet direction is unchangeable, it influences its limit step 35 of limit component of limit end, valve head 63 tip forms the heat supply, the size of the water gap of intaking of cold water circulation, then influence hot, cold water's actual inflow.

When the water temperature is higher, the bulb in the paraffin constant temperature component 64A expands, the ejector rod of the bulb protrudes outwards, the paraffin constant temperature component 64A moves leftwards reversely due to the limitation of the handle sleeve 62, the piston 66A is pushed to move leftwards, the gap between the left end of the piston 66A and the limiting step 35 of the current limiting component is reduced, the gap between the right end of the piston 66A and the end part of the valve head 63 is enlarged, then the hot water inflow is reduced, the cold water inflow is increased, the purpose of cooling is achieved, and constant temperature water outlet is maintained. On the contrary, when the water temperature is lower, the temperature bulb in the paraffin constant temperature assembly 64A contracts, the ejector rod releases force, the return spring 65 rebounds to push the paraffin constant temperature assembly 64A and the piston 66A to move right, the gap between the left end of the piston 66A and the limiting step 35 of the current limiting assembly is expanded, the gap between the right end of the piston 66A and the end part of the valve head 63 is reduced, then the hot water inflow is increased, the cold water inflow is reduced, the purpose of temperature rise is achieved, and constant temperature water outlet is maintained.

EXAMPLE III

As shown in fig. 16, the present embodiment is different from the first embodiment in that the thermosensitive element 64 is a memory alloy spring 64B. Memory alloy springs are being increasingly used because of their excellent thermal sensitivity. Referring to fig. 10, 12 and 13, in this embodiment, the flow limiting assembly 66 is a single sliding sleeve 66B, two ends of the single sliding sleeve 66B respectively form a water inlet gap for heat supply and cold water circulation with the limiting step 35 of the flow limiting assembly and the end of the valve head 63, a water-passing ring step is disposed in the middle of the single sliding sleeve 66B, the return spring 65 and the memory alloy spring 64B are respectively arranged on the left and right sides of the single sliding sleeve, the single sliding sleeve 66B is pushed to influence the size of the gap between the edge end of the single sliding sleeve 66B and the limiting step 35 of the flow limiting assembly and the end of the valve head 63, and then. The single sliding sleeve 66B is further sleeved with a valve core sealing ring 67 for isolating cold water and hot water and preventing series flow, and the peripheral wall of the single sliding sleeve 66B can also be correspondingly provided with an annular groove for accommodating the valve core sealing ring 67, so that the valve core sealing ring 67 is convenient to position and install.

When the water temperature is higher, the memory alloy spring 64B expands to push the single sliding sleeve 66B to move left, the gap between the left end of the single sliding sleeve 66B and the limiting step 35 of the flow limiting assembly is reduced, the gap between the right end of the single sliding sleeve 66B and the end part of the valve head 63 is enlarged, then the hot water inflow is reduced, the cold water inflow is increased, the purpose of cooling is achieved, and the constant-temperature water outlet is maintained. On the contrary, when the water temperature is lower, the memory alloy spring 64B contracts, the return spring 65 rebounds to push the single sliding sleeve 66B to move rightwards, the gap between the left end of the single sliding sleeve 66B and the limiting step 35 of the flow limiting assembly is expanded, the gap between the right end of the single sliding sleeve 66B and the end part of the valve head 63 is reduced, then the hot water inflow is increased, the cold water inflow is reduced, the purpose of temperature rise is achieved, and the constant-temperature water outlet is maintained.

Example four

Compared with the embodiment, as shown in fig. 17, the present embodiment is different in that the thermosensitive element 64 is a memory alloy spring 64B, the current limiting assembly 66 is a double sliding sleeve assembly 66C, and as shown in fig. 10, 12 and 14, the double sliding sleeve assembly includes a fixed outer sleeve 66C1 and a sliding inner sleeve 66C2 sleeved in the fixed outer sleeve 66C 1. The two ends of the fixed outer sleeve 66C1 respectively abut against the limiting step 35 of the flow limiting assembly and the end of the valve head 63, the position is fixed, and only the sliding inner sleeve 66C2 slides left and right in the fixed outer sleeve. The fixed outer sleeve 66C1 is provided with outer sleeve cold and hot water inlet holes 66C3 and 66C4 which are respectively communicated with the constant temperature valve core cavity cold water inlet hole 33 and the constant temperature valve core cavity hot water inlet hole 34, a valve core sealing ring 67 is sleeved between the outer sleeve cold and hot water inlet holes 66C3 and 66C4 of the fixed outer sleeve 66C1 and used for isolating cold and hot water and preventing series flow, and the peripheral wall of the fixed outer sleeve 66C1 can also be correspondingly provided with a ring groove for accommodating the valve core sealing ring 67 so as to facilitate the positioning and installation of the valve core sealing ring 67.

The sliding inner sleeve 66C2 is matched with the outer sleeve cold and hot water inlet holes 66C3 and 66C4 to form a water inlet gap for cold and hot water to flow through, and the sliding inner sleeve 66C2 can be provided with the cold and hot water inlet holes of the inner sleeve corresponding to the outer sleeve cold and hot water inlet holes 66C3 and 66C4, as in the embodiment. However, the water inlet manner of the sliding inner sleeve 66C2 is not limited to this, and it is also possible to form a water inlet gap for heat supply and cold water circulation by the edge end of the sliding inner sleeve 66C2 cooperating with the outer sleeve cold and hot water inlet holes 66C3 and 66C4 without the cold and hot water inlet holes of the inner sleeve; or only a single water inlet hole is arranged on the sliding inner sleeve 66C2 and corresponds to the outer sleeve cold/hot water inlet hole, and the other edge end of the sliding inner sleeve is matched with the outer sleeve hot/cold water inlet hole to form a water inlet gap. The manner of forming the water inlet gap on the sliding inner sleeve 66C2 is flexible and various, and will not be described herein.

In the embodiment, the sliding inner sleeve 66C2 is provided with inner sleeve cold and hot water inlet holes 66C5 and 66C6, and the overlapping parts of the inner sleeve cold and hot water inlet holes 66C5 and 66C6 and the outer sleeve cold and hot water inlet holes 66C3 and 66C4 respectively form water inlet gaps for cold and hot water to flow; the middle part of the sliding inner sleeve 66C2 is provided with a water-passing annular step which is positioned between the cold water inlet hole 66C5 and the hot water inlet hole 66C6 of the inner sleeve, the reset spring 65 and the memory alloy spring 64B are respectively arranged at the left side and the right side of the inner sleeve, and the memory alloy spring 64B expands with heat and contracts with cold along with the change of the water temperature, so that the sliding inner sleeve 66C2 is pushed to move left and right in the fixed sliding sleeve 66C1, the size of a cold water inlet gap and a hot water inlet gap formed by the matching of the sliding inner sleeve 66C2 and the fixed sliding sleeve 66C1 is influenced, and.

When the water temperature is higher, the memory alloy spring 64B expands to push the sliding inner sleeve 66C2 to move left, a cold water inlet gap formed by the superposition of the inner sleeve cold water inlet 66C5 and the outer sleeve cold water inlet 66C3 is enlarged, a hot water inlet gap formed by the superposition of the inner sleeve hot water inlet 66C6 and the outer sleeve hot water inlet 66C4 is reduced, then the hot water inlet amount is reduced, the cold water inlet amount is increased, the purpose of cooling is achieved, and the constant-temperature water outlet is maintained. On the contrary, when the water temperature is lower, the memory alloy spring 64B contracts, the return spring 65 rebounds to push the sliding inner sleeve 66C2 to move right, the cold water inlet gap formed by the superposition of the inner sleeve cold water inlet hole 66C5 and the outer sleeve cold water inlet hole 66C3 is reduced, the hot water inlet gap formed by the superposition of the inner sleeve hot water inlet hole 66C6 and the outer sleeve hot water inlet hole 66C4 is enlarged, the cold water inlet amount is reduced, the hot water inlet amount is increased, the purpose of temperature rise is achieved, and the constant temperature water outlet is maintained.

The double-sliding-sleeve component in the embodiment is made of ceramic materials, sliding resistance is small, and sensitivity of water temperature adjustment is higher.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The split type thermostatic valve comprises a main valve body (1), a shell (4), a switch valve core (5) and a thermostatic valve core (6), and is characterized in that the main valve body (1) consists of a left valve body (2) and a right valve body (3), the switch valve core (5) is installed in the left valve body (2), the thermostatic valve core (6) is installed in the right valve body (3), a plurality of water flow channels (12) are correspondingly arranged on the left valve body (2) and the right valve body (3), and the water flow channels on the left valve body (2) and the corresponding water flow channels on the right valve body (3) are assembled and communicated in a butt joint mode through a plug-in component (7); the main valve body (1) is provided with a fastening component (8) for connecting and fastening the left valve body (2) and the right valve body (3).

2. The split type thermostatic valve according to claim 1, wherein the plug-in component (7) is a bidirectional plug, which is a left plug (71-1) and a right plug (72-1), the head of the water flow channel corresponding to the left and right valve bodies (2, 3) is provided with a socket (13), and the left plug (71-1) and the right plug (72-1) are respectively inserted into the socket (13) corresponding to the left and right valve bodies (2, 3) to assemble the left and right valve bodies; the hollow part in the middle of the inserting component (7) is a water through hole (73) parallel to the main axis; the upper ring walls of the left plug (71-1) and the right plug (72-1) are provided with sealing ring grooves (75), and sealing rings are sleeved in the sealing ring grooves (75).

3. The split type thermostatic valve according to claim 1, wherein the plug member (7) is tubular, the hollow middle part is a water passing through hole (73), the plug member (7) and the water flow passage (12) of the right valve body (3) are integrally manufactured and formed, a socket joint (13) is arranged at the head part of the water flow passage corresponding to the left valve body (2), and the plug member (7) is inserted into the socket joint (13) to realize the assembly of the left and right valve bodies; the plug-in component (7) is provided with a sealing section (71-2), the peripheral wall of the sealing section (71-2) is provided with a sealing ring groove (75), and a sealing ring is sleeved in the sealing ring groove (75).

4. Split thermostatic valve according to claim 2 or 3, characterized in that a tube inside step (74-3) is provided in the socket (13) for limiting the insertion depth of the plug part (7).

5. The split type thermostatic valve according to claim 2, wherein a water-stop convex ring (74-1) is arranged on the upper ring wall of the plug-in part (7), the water-stop convex ring (74-1) is positioned between the left plug (71-1) and the right plug (72-1), and the edge ends of the sockets (13) on the left valve body and the right valve body are abutted against the water-stop convex ring (74-1) on the corresponding plug-in part (7).

6. The split thermostatic valve according to claim 2 or 3, wherein the fastening member (8) comprises a first fastening member (81-1), a second fastening member (82-1) and a locking member (83), the first fastening member (81-1) is fixedly arranged on the right valve body (3), the second fastening member (82-1) is correspondingly and fixedly arranged on the left valve body (2), the end of the first fastening member (81-1) and the end of the second fastening member (82-1) are staggered and overlapped, and the locking member (83) locks the overlapping portion.

7. The split type thermostatic valve according to claim 6, wherein the first fastening member (81-1) and the second fastening member (82-1) are both in a plate shape, the end portion of the first fastening member (81-1) is provided with a slot (84-1), and the end portion of the second fastening member (82-1) is inserted into the slot (84-1) to form a concave-convex matching structure; the first fastening piece (81-1) is provided with a first lock hole (85-1) vertically penetrating through the first fastening piece (81-1), the second fastening piece (82-1) is provided with a second lock hole (86-1) vertically penetrating through the second fastening piece (82-1), after the end part of the first fastening piece (81-1) and the end part of the second fastening piece (82-1) are staggered and overlapped, the locking piece (83) penetrates through the first lock hole (85-1) and the second lock hole (86-1) to position and lock the left valve body (2) and the right valve body (3).

8. The split type thermostatic valve according to claim 2 or 3, wherein the fastening part (8) comprises an insertion hole (81-2), a valve locking clamping groove (82-2) and a locking part (83), wherein the insertion hole (81-2) is arranged on the socket (13), the valve locking clamping groove (82-2) is arranged on the plug part (7), after the left and right valve bodies are combined by the plug part (7) in a plug manner, the insertion hole (81-2) corresponds to the valve locking clamping groove (82-2), and the locking part (83) is inserted into the insertion hole (81-2) and the valve locking clamping groove (82-2) to position and lock the left valve body (2) and the right valve body (3); the rear section of the sealing section (71-2) of the insertion part (7) is correspondingly provided with a valve locking section (72-2), and the upper annular wall of the outer wall of the valve locking section (72-2) is provided with a valve locking clamping groove (82-2).

9. The split type thermostatic valve according to claim 8, wherein a limit protrusion (74-2) is provided at a rear section of the valve locking section (72-2) of the plug member (7), the limit protrusion (74-2) is a protrusion provided on the circumferential wall, and after the left and right valve bodies are plugged and combined, an edge end of the socket (13) into which the plug member (7) is inserted abuts against the limit protrusion (74-2).

10. The split thermostatic valve according to claim 8, wherein the plug hole (81-2) is a long-strip-shaped bore hole penetrating through the wall of the socket (13), two bores with the same axis are reserved on the wall of the socket (13) and are respectively a front plug hole (81-21) and a rear plug hole (81-22), the front plug hole (81-21) is opened outwards, and the rear plug hole (81-22) is a through hole or a blind hole; the inner side of the jack (81-2) is tangent or close to the groove bottom of the lock valve clamping groove (82-2); when the locking piece (83) is assembled, the locking piece (83) sequentially penetrates through the front insertion hole (81-21), the valve locking clamping groove (82-2) and the rear insertion hole (81-22).

11. The split thermostatic valve according to claim 7 or 10, wherein the locking member (83) is a screw or a T-latch or a U-latch.

12. The split type thermostatic valve according to claim 1, wherein a thermostatic valve core cavity (31) for mounting the thermostatic valve core (6) is arranged on the right valve body (3), a thermostatic valve core cavity cold water inlet hole (33) and a thermostatic valve core cavity hot water inlet hole (34) are arranged on the cavity wall of the thermostatic valve core cavity (31), the thermostatic valve core cavity hot water inlet hole (34) is positioned on the left side of the thermostatic valve core cavity cold water inlet hole (33), and a thermostatic valve core cavity mixed water outlet hole (37) is further arranged at the cavity bottom of the thermostatic valve core cavity (31); the constant temperature valve core cavity (31) is gradually reduced in diameter from outside to inside, a current limiting component limiting step (35) and a spring limiting step (36) are arranged in the constant temperature valve core cavity, and the spring limiting step (36) is located on the left side of the current limiting component limiting step (35).

13. The split type thermostatic valve according to claim 12, wherein the thermostatic valve core (6) comprises a temperature adjusting handle (61), a handle sleeve (62), a valve head (63), a heat sensitive element (64), a return spring (65) and a flow limiting assembly (66), the valve head (63) is in threaded connection with the right valve body (3), the rest elements are locked in the thermostatic valve core cavity (31), the temperature adjusting handle (61) is sleeved in the valve head (63), one end of the temperature adjusting handle is in threaded connection with the handle sleeve (62), a handle at one end protrudes out of the valve head (63), and the handle is connected with the thermostatic valve core hand wheel (42); one end of a return spring (65) is propped against the current limiting component (66), and the other end of the return spring is propped against the spring limiting step (36); wherein the thermosensitive element (64) is a paraffin constant temperature component (64A) or a memory alloy spring (64B); the flow limiting component (66) is a piston (66A) which can be fixedly connected with the paraffin wax constant temperature component (64A), or a single sliding sleeve (66B) or a double sliding sleeve component (66C) which is matched with a memory alloy spring (64B).