阅读说明：本技术 一种分体式恒温阀 (Split type thermostatic valve ) 是由 薛令斌 于 2019-09-03 设计创作，主要内容包括：本发明属于恒温卫浴领域,涉及一种恒温阀,特别涉及一种分体式恒温阀。包括主阀体、外壳、开关阀芯、恒温阀芯,主阀体由左阀体和右阀体组成,开关阀芯安装在左阀体内,恒温阀芯安装在右阀体内,左阀体、右阀体上对应设有多条水流通道,左阀体上的水流通道与右阀体上对应的水流通道之间通过插接部件对接组装并连通；主阀体上还至少设有一组用于连接紧固左阀体、右阀体的紧固部件。本发明提供了两种将左、右阀体连接锁紧的方式,第一种是在水流通道外的阀体上设置紧固部件,第二种是直接在水流通道上设置紧固部件,无论插接结构是双插头还是单插头结构,均可适用,两种锁紧方式设计都很巧妙,可广泛适用于各种恒温阀的阀体上。(The invention belongs to the field of thermostatic bathrooms, relates to a thermostatic valve, and particularly relates to a 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 invention provides two modes of connecting and locking a left valve body and a right valve body, wherein the first mode is to arrange a fastening part on the valve body outside a water flow channel, and the second mode is to directly arrange the fastening part on the water flow channel, so that the valve can be applied no matter the plug-in structure is a double-plug structure or a single-plug structure, the two locking modes are skillfully designed, and the valve can be widely applied to the valve bodies of various thermostatic valves.)

1. A 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 splicing 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) 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 (83-1), 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 overlapped 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 member (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 member (83-2) 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 (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); 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).

Technical Field

The invention belongs to the field of thermostatic bathrooms, relates to a thermostatic valve, and particularly relates to a 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.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the split type thermostatic valve which adopts a split type structure, shortens the manufacturing length on the corresponding valve body, reduces the process precision and the production difficulty, improves the finished product yield, further saves the production resources and reduces the production cost.

The technical purpose of the invention is realized by the following technical scheme:

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 invention has the beneficial effects that:

1. the invention adopts a split structure, shortens the process length of the water flow channel on the corresponding valve body, reduces the partition walls, thereby reducing the process precision and the production difficulty, improving the rate of finished products, further saving the production resources and reducing the production 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 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 water leakage caused by jacking or loosening of the left valve body and the right valve body when water pressure is too high 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.

3. The invention provides two modes of connecting and locking a left valve body and a right valve body, wherein the first mode is to arrange a fastening part on the valve body outside a water flow channel, and the second mode is to directly arrange the fastening part on the water flow channel, so that the valve body can be applied no matter whether the plug-in part is a double-plug structure or a single-plug structure, and the two locking modes and the plug-in part can be used in a cross matching way, so that the valve body can be widely applied to various valve bodies of 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 invention can be but not limited to a split structure, the thermostatic valve core of the split structure saves more materials and reduces the production cost, and the limiting step of the current-limiting component and the limiting step of the spring are more convenient to position and install; 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 thermostatic valve provided by the invention has the advantages of compact and stable structure, reasonable space utilization, ingenious design, convenience in production and installation, high manufacturing yield and wide application range, can be applied to thermostatic valves with various water outlet requirements, and 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 explaining the present invention, and the directions are only for convenience of describing the technical content, and it is not a limitation to the present invention, and those skilled in the art can make modifications to the embodiment as required without inventive contribution after reading the present specification, but all are protected by the patent law within the scope of the claims of the present invention.