Valve body casting for multi-way valve

Abstract

The utility model discloses a valve body casting for a multi-way valve, and relates to the field of valves. The valve body casting for the multi-way valve comprises a splicing type casting valve body, a plurality of connecting ends are integrally formed on the outer wall of the splicing type casting valve body, a splicing fixing part is integrally formed on the outer wall of the splicing type casting valve body, the splicing fixing part comprises a fixing pipe, and limiting grooves penetrating through the two ends of the fixing pipe are formed in the inner wall of the fixing pipe; a locking groove is formed in the middle of the limiting groove and annularly formed along the inner wall of the fixing pipe. According to the valve body casting for the multi-way valve, the convex blocks are arranged on the outer surfaces of the split bolts, in the mounting process of the split bolts, the convex blocks slide to the positions of the locking grooves along the limiting grooves, then the split bolts are rotated, the convex blocks enter the locking grooves, and therefore the multiple spliced casting valve bodies are clamped after being mounted; the split type casting valve body is prevented from being jacked open when the internal pressure of the pipeline is large, meanwhile, when the nut is screwed, the split bolt cannot rotate along with the nut, and installation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely for a kind of for multiway valve valve body casting. BACKGROUND

[0002] Multiway valve is a kind of one end input, multi-end output valve body, according to different purposes, its form exists big difference, and there is a kind of spliced multiway valve on the market, through the front and back splicing of multiple casting valve bodies, then utilize the fixing of tension bolt, so that multiple casting valve bodies are tightly connected, to facilitate the increase or decrease of passage quantity according to use demand.

[0003] And in actual use, tension bolt is penetrated through the side wall of multiple casting valve bodies to form tension, and tension bolt is prone to looseness due to excessive pressure inside valve body in use, so that leakage occurs between multiple spliced casting valve bodies, to solve the above problems, a kind of for multiway valve valve body casting is provided. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of for multiway valve valve body casting, solve the spliced multiway valve, through the front and back splicing of multiple casting valve bodies, then utilize the fixing of tension bolt, so that multiple casting valve bodies are tightly connected, in actual use, tension bolt is penetrated through the side wall of multiple casting valve bodies to form tension, and tension bolt is prone to looseness due to excessive pressure inside valve body in use, so that leakage occurs between multiple spliced casting valve bodies.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of for multiway valve valve body casting, including spliced casting valve body, the outer wall of the spliced casting valve body is integrally formed with multiple connection end heads, the outer wall of the spliced casting valve body is integrally formed with splicing fixed part, the splicing fixed part includes fixed tube, the inner wall of the fixed tube is provided with the limit slot that is penetrated in the both ends of fixed tube, the middle part of the limit slot is provided with locking slot, the locking slot is annularly provided along the inner wall of fixed tube.

[0006] Preferably, the length of the locking slot is one fourth of the circumference of the inner wall of the fixed tube.

[0007] Preferably, one end of the spliced casting valve body is integrally formed with a splicing insertion tube, and the other end of the spliced casting valve body is provided with a splicing insertion slot matched with the splicing insertion tube.

[0008] Preferably, the outer surface of the splicing insertion tube is integrally formed with a sealing ring, and the end of the splicing insertion slot is provided with a sealing groove matched with the sealing ring.

[0009] Preferably, the connecting end head comprises a passage pipe integrally formed on the outer wall of the spliced casting valve body, a connecting port is arranged at the top of the passage pipe, and a valve rod fixing portion is arranged at the middle of the passage pipe.

[0010] Preferably, reinforcing end heads are integrally formed at two ends of the fixing pipe.

[0011] The utility model discloses a kind of for multi-way valve valve body castings, it has beneficial effects as follows: the device is provided with the limiting groove that penetrates in the inner wall of fixed pipe two ends, locking groove is opened in the middle of limiting groove, locking groove is annularly opened along the inner wall of fixed pipe, by being provided protruding block on the outer surface of opposed bolt, during the installation of opposed bolt, protruding block is slid to locking groove position along limiting groove, then rotates opposed bolt, so that protruding block enters into locking groove, so that multiple spliced casting valve bodies are realized clamping connection after installation, avoid the leakage between adjacent multiple spliced casting valve bodies when the pressure in pipeline is big, simultaneously when tightening nut, protruding block is clamped in the inner end of locking groove, so that opposed bolt cannot follow rotation, facilitate installation. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawings needed to be used in embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0013] Fig. 1 It is the front side structure schematic view of the spliced casting valve body of the utility model;

[0014] Fig. 2 It is the rear side structure schematic view of the spliced casting valve body of the utility model;

[0015] Fig. 3 It is the outer wall partial structure sectional view of the spliced casting valve body of the utility model.

[0016] In the drawing: 1, spliced casting valve body;12, spliced slot;13, sealing groove;14, spliced insertion pipe;15, sealing ring;2, connecting end head;21, passage pipe;22, connecting port;23, valve rod fixing portion;3, spliced fixing portion;31, fixed pipe;32, reinforcing end head;33, locking groove;34, limiting groove. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model is described clearly and completely, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0018] The utility model discloses a kind of for multi-way valve valve body castings, solve the spliced multi-way valve, through multiple casting valve bodies are spliced front and back, then utilize draw bolt and fix, so that multiple casting valve bodies are connected closely, when actually using, draw bolt is penetrated the side wall of multiple casting valve bodies and forms draw, and draw bolt is loose when using, to make multiple spliced casting valve bodies appear leakage problem between.

[0019] In order to better understand the above technical scheme, the above technical scheme will be described in detail in the description of the drawings and specific embodiments.

[0020] The utility model discloses a kind of for multi-way valve valve body castings.

[0021] According to the Figs. 1-3 As shown in the drawing, including spliced casting valve body 1, the outer wall of spliced casting valve body 1 is integrally formed with multiple connection end heads 2, the outer wall of spliced casting valve body 1 is integrally formed with spliced fixed part 3, spliced fixed part 3 includes fixed pipe 31, the inner wall of fixed pipe 31 is provided with limit groove 34 that is penetrated in both ends of fixed pipe 31, locking groove 33 is opened in the middle of limit groove 34, locking groove 33 is annularly opened along the inner wall of fixed pipe 31, and the length of locking groove 33 is one fourth circumference of the inner wall of fixed pipe 31.

[0022] By being provided with limit groove 34 that is penetrated in both ends of fixed pipe 31 in the inner wall of fixed pipe 31, locking groove 33 is opened in the middle of limit groove 34, locking groove 33 is annularly opened along the inner wall of fixed pipe 31, by being provided with lug on the outer surface of draw bolt, in the installation process of draw bolt, lug is slid to the position of locking groove 33 along limit groove 34, then draw bolt is rotated, so that lug enters locking groove 33, so that multiple spliced casting valve bodies 1 are clamped after installation, avoid that gap leakage between multiple adjacent spliced casting valve bodies 1 when the pressure in pipeline is big, simultaneously, when nut is tightened, lug is clamped in the inner end of locking groove 33, so that draw bolt cannot be rotated, facilitate installation.

[0023] The spliced cast valve body 1 is integrally formed with a splicing insertion pipe 14 at one end, and a splicing insertion slot 12 matched with the splicing insertion pipe 14 is formed at the other end of the spliced cast valve body 1, the outer surface of the splicing insertion pipe 14 is integrally formed with a sealing ring 15, and the end of the splicing insertion slot 12 is formed with a sealing groove 13 matched with the sealing ring 15, when a plurality of spliced cast valve bodies 1 are spliced and installed, the splicing insertion pipe 14 and the splicing insertion slot 12 are assembled and positioned, and the sealing ring 15 and the sealing groove 13 are used to seal the connection.

[0024] The connecting end 2 comprises a passage pipe 21 integrally formed on the outer wall of the spliced cast valve body 1, the top of the passage pipe 21 is provided with a connecting port 22 for installing an external pipe, and the middle of the passage pipe 21 is provided with a valve rod fixing portion 23 for installing a valve core, three groups of connecting ends 2 are arranged on a group of spliced cast valve bodies 1, so that the connecting pipeline is increased, and multi-way output is realized.

[0025] The fixed pipe 31 is integrally formed with a reinforcing end 32 at both ends, when the tension bolt is penetrated through the fixed pipe 31 and a plurality of spliced cast valve bodies 1 are spliced, the reinforcing ends 32 on the adjacent two groups of spliced cast valve bodies 1 are pressed and contacted with each other, so that the fixed pipe 31 is prevented from bursting during assembly, and the effect of strengthening and prolonging the service life is achieved.

[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-way valve body casting comprising a split cast valve body (1) characterised in that, The outer wall of the spliced casting valve body (1) is integrally formed with a plurality of connecting end heads (2), and the outer wall of the spliced casting valve body (1) is integrally formed with a splicing fixing part (3), the splicing fixing part (3) comprises a fixing pipe (31), the inner wall of the fixing pipe (31) is provided with a limiting groove (34) penetrating through both ends of the fixing pipe (31), and the middle part of the limiting groove (34) is provided with a locking groove (33) which is annularly arranged along the inner wall of the fixing pipe (31).

2. A multi-way valve body casting according to claim 1, wherein: The length of the locking groove (33) is one fourth of the circumference of the inner wall of the fixing pipe (31).

3. A multi-way valve body casting according to claim 1, wherein: One end of the spliced casting valve body (1) is integrally formed with a splicing insertion pipe (14), and the other end of the spliced casting valve body (1) is provided with a splicing insertion groove (12) matched with the splicing insertion pipe (14).

4. A multi-way valve body casting according to claim 3, wherein: The outer surface of the splicing insertion pipe (14) is integrally formed with a sealing ring (15), and the end of the splicing insertion groove (12) is provided with a sealing groove (13) matched with the sealing ring (15).

5. A multi-way valve body casting according to claim 1, wherein: The connecting end head (2) comprises a passage pipe (21) integrally formed on the outer wall of the spliced casting valve body (1), the top of the passage pipe (21) is provided with a connecting port (22), and the middle part of the passage pipe (21) is provided with a valve rod fixing part (23).

6. A multi-way valve body casting according to claim 1, wherein: The both ends of the fixing pipe (31) are integrally formed with reinforcing end heads (32).

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