Throttle valve with quick butt joint structure

Abstract

The utility model discloses a throttle valve with a quick butt joint structure, and relates to the technical field of throttle valves. The throttle valve with the quick butt joint structure comprises a valve body and a mounting pipe, a connecting pipe is arranged on the side wall of the valve body, a mounting shell is fixedly mounted on the outer wall of the other end of the connecting pipe, an inner pipeline smaller than the inner diameter value of the connecting pipe is mounted at the other end of the connecting pipe, a rubber pad is arranged on the inner side of the inner wall of the mounting shell, and the rubber pad is fixedly mounted on the inner wall of the mounting shell. A rubber ring is arranged on the outer wall of the inner pipeline, and a limiting assembly used for fixing the mounting pipe is mounted on the inner wall of the mounting shell. The fixing shell and the fixing sleeve are pushed into the inner wall of the mounting shell and the inner wall of the inner pipeline respectively, so that the rubber ring shrinks and is tightly attached to the inner wall of the fixing shell, meanwhile, the side wall of the fixing shell makes contact with the rubber pad, after the fixing shell is sealed, the limiting assembly is inserted into the limiting hole at the moment, and the fixing shell is fixed; and therefore, the mounting pipe can be quickly mounted and butted with the valve body.

Description

TECHNICAL FIELD

[0001] The utility model relates to throttle valve technical field, concretely is a kind of throttle valve with quick butt joint structure. BACKGROUND

[0002] Throttle valve is the valve for controlling fluid flow by changing throttle section or throttle length, throttle valve and check valve are connected in parallel to form check throttle valve, throttle valve and check throttle valve are simple flow control valve, in quantitative pump hydraulic system, throttle valve and overflow valve cooperate, can form three kinds of throttle speed regulating system, namely oil inlet throttle speed regulating system, oil return throttle speed regulating system and bypass throttle speed regulating system, throttle valve has no flow negative feedback function, cannot compensate the speed instability caused by load change, generally only used in the occasion that load change is not big or the requirement to speed stability is not high.

[0003] For the related technology in the above, the inventor believes that there are the following defects: the inlet and outlet of the existing throttle valve are usually provided with internal threads or external threads, when the pipeline is installed and connected, it is necessary to wrap raw rubber tape and seal with the pipeline, and the steps are more difficult to install, therefore we propose a throttle valve with quick butt joint structure to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a throttle valve with quick butt joint structure, solves the problems that the inlet and outlet of the existing throttle valve are usually provided with internal threads or external threads, when the pipeline is installed and connected, it is necessary to wrap raw rubber tape and seal with the pipeline, and the steps are more difficult to install.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a throttle valve with quick butt joint structure, including valve body and installation pipe, the side wall of valve body is provided with connecting pipe, the outer wall of the other end of connecting pipe is fixedly installed with installation shell, the other end of connecting pipe is installed with inner pipeline smaller than the inner diameter value of connecting pipe, the inner side of the inner wall of installation shell is provided with rubber pad, the outer wall of inner pipeline is provided with rubber ring, the inner wall of installation shell is installed with limiting assembly for fixing installation pipe.

[0006] One end of the installation pipe is fixedly connected with an annular member, the other side of the annular member is installed with a fixed shell and a fixed sleeve, and a limiting hole is formed in the outer wall of the fixed shell.

[0007] Preferably, the inner diameter value of the inner pipeline is adapted to the outer diameter value of the fixed sleeve, and the inner diameter value of the fixed sleeve is adapted to the inner diameter value of the connecting pipe.

[0008] Preferably, the outer diameter value of the inner pipeline is adapted to the inner diameter value of the fixed shell, and the outer diameter value of the fixed shell is adapted to the inner diameter value of the installation shell.

[0009] Preferably, the inner wall of the inner pipeline is provided with two clamping grooves, and the outer wall of the fixing sleeve is fixedly connected with clamping blocks matched with the two clamping grooves.

[0010] Preferably, the limiting assembly comprises a limiting groove and a connecting piece, the limiting groove is provided in the inner wall of the mounting shell, the connecting piece is fixedly installed on the outer wall of the connecting pipe, the limiting groove and the connecting piece are in communication, and the inner wall of the limiting groove and the inner wall of the connecting piece are inserted with an insertion rod.

[0011] Preferably, the outer wall of the insertion rod and the inner wall of the limiting groove are fixedly connected with a limiting ring, the top of the limiting ring and the bottom of the inner wall of the connecting piece are fixedly connected with a limiting ring, and the upper end of the insertion rod and the top of the connecting piece are fixedly installed with a protruding block.

[0012] Preferably, the lower end of the insertion rod is inclined, and the outer diameter value of the insertion rod is matched with the outer diameter value of the limiting hole.

[0013] Beneficial effects

[0014] The utility model provides a throttling valve with quick butt joint structure compares with prior art has the following beneficial effects:

[0015] The throttling valve with quick butt joint structure, by pushing the fixed shell and the fixed sleeve into the inner wall of the mounting shell and the inner pipeline respectively, the rubber ring is contracted and tightly attached to the inner wall of the fixed shell, the fixed shell side wall is in contact with the rubber pad, the fixed shell is sealed, then the limiting assembly is inserted into the limiting hole, the fixed shell is fixed, and the mounting pipe can be quickly installed and butt jointed with the valve body. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is overall schematic view of the utility model;

[0017] Figure 2 It is connecting pipe structure schematic view of the utility model;

[0018] Figure 3 It is mounting pipe structure schematic view of the utility model;

[0019] Figure 4 It is connecting pipe section schematic view of the utility model;

[0020] Figure 5 It is mounting pipe section schematic view of the utility model;

[0021] Figure 6 It is connecting pipe and mounting pipe connection schematic view of the utility model;

[0022] Figure 7 It is the utility model Figure 6 It is enlarged schematic view of A place in the utility model.

[0023] In the figure: 1, valve body; 2, connecting pipe; 21, mounting shell; 22, inner pipeline; 23, rubber pad; 24, rubber ring; 25, clamping groove; 3, mounting pipe; 31, annular part; 32, fixing shell; 33, fixing sleeve; 34, clamping block; 4, limiting assembly; 41, limiting groove; 42, connecting piece; 43, insertion rod; 44, limiting ring; 45, spring; 46, protruding block; 5, limiting hole. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only 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 those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figure 1 , Figure 7 The utility model provides a kind of technical solutions: a throttling valve with quick docking structure, including valve body 1 and mounting pipe 3, the side wall of valve body 1 is provided with connecting pipe 2, the outer wall of another end of connecting pipe 2 is fixedly installed with mounting shell 21, the other end of connecting pipe 2 is installed with inner pipeline 22 less than the inner diameter value of connecting pipe 2, the inner side of the inner wall of mounting shell 21 is provided with rubber pad 23, the outer wall of inner pipeline 22 is provided with rubber ring 24, the inner wall of mounting shell 21 is installed with limiting assembly 4 for fixing mounting pipe 3;One end of mounting pipe 3 is fixedly connected with annular part 31, the other side of annular part 31 is installed with fixing shell 32 and fixing sleeve 33, the outer wall of fixing shell 32 is provided with limiting hole 5.

[0026] By connecting pipe 2, mounting shell 21 and inner pipeline 22 can be installed, since the inner wall of mounting shell 21 is installed with limiting assembly 4 for fixing mounting pipe 3, so that the front end mounting pipe 3 held by user is pushed into the inner wall of mounting shell 21 and inner pipeline 22 with fixing shell 32 and fixing sleeve 33 respectively, at this time, rubber ring 24 shrinks and tightly adheres to the inner wall of fixing shell 32, at the same time, fixing shell 32 side wall contacts with rubber pad 23, fixing shell 32 can be sealed, and limiting assembly 4 is inserted into limiting hole 5, fixing shell 32 can be fixed, so that mounting pipe 3 can be quickly installed and docked with valve body 1, and installation rate is improved.

[0027] Please refer to Figure 2 , Figure 6 The inner diameter value of inner pipeline 22 and the outer diameter value of fixing sleeve 33 are matched, the inner diameter value of fixing sleeve 33 and the inner diameter value of connecting pipe 2 are matched, the outer diameter value of inner pipeline 22 and the inner diameter value of fixing shell 32 are matched, and the outer diameter value of fixing shell 32 and the inner diameter value of mounting shell 21 are matched.

[0028] By the inner diameter value of the inner pipe 22 and the outer diameter value of the fixed sleeve 33 are matched, the inner diameter value of the fixed sleeve 33 and the inner diameter value of the connecting pipe 2 are matched, so that when the fixed shell 32 and the fixed sleeve 33 are respectively pushed into the inner wall of the mounting shell 21 and the inner pipe 22, the fixed shell 32 compresses the rubber ring 24 to shrink, and at the same time the side wall of the fixed shell 32 contacts the rubber pad 23, which can make the installation pipe 3 sealed.

[0029] Referring to Figure 4 , Figure 5 , the inner wall of the inner pipe 22 is provided with two clamping grooves 25, and the outer wall of the fixed sleeve 33 is fixedly connected with two clamping blocks 34 matched with the two clamping grooves 25.

[0030] By the outer wall of the fixed sleeve 33 fixedly connected with two clamping blocks 34 matched with the two clamping grooves 25, so that when the installation pipe 3 is connected, the two clamping blocks 34 are inserted into the two clamping grooves 25, the limiting hole 5 opened in the side wall of the fixed shell 32 can be directed to the limiting assembly 4, thereby improving the installation efficiency of the installation pipe 3.

[0031] Referring to Figure 2 , Figure 3 , Figure 6 and Figure 7 , the limiting assembly 4 includes a limiting groove 41 and a connecting piece 42, the limiting groove 41 is opened in the inner wall of the mounting shell 21, the connecting piece 42 is fixedly installed on the outer wall of the connecting pipe 2, the limiting groove 41 and the connecting piece 42 are in communication, the inner wall of the limiting groove 41 and the inner wall of the connecting piece 42 are inserted with a plug rod 43, the outer wall of the plug rod 43 and the inner wall of the limiting groove 41 are fixedly connected with a limiting ring 44, the top of the limiting ring 44 and the bottom of the inner wall of the connecting piece 42 are fixedly connected with the limiting ring 44, the upper end of the plug rod 43 and the top of the connecting piece 42 are fixedly installed with a protruding block 46, the lower end of the plug rod 43 is inclined, and the outer diameter value of the plug rod 43 is matched with the outer diameter value of the limiting hole 5.

[0032] By the limiting groove 41 and the connecting piece 42 in the limiting assembly 4, the plug rod 43, the limiting ring 44 and the spring 45 can be installed, and since the lower end of the plug rod 43 is inclined, when the installation pipe 3 is connected, the fixed shell 32 slides along the inner wall of the mounting shell 21, at this time the fixed shell 32 can extrude the plug rod 43, so that the plug rod 43 drives the limiting ring 44 to move upward along the limiting groove 41 and the limiting ring 44, at this time the spring 45 is compressed, when the plug rod 43 coincides with the limiting hole 5, the fixed shell 32 loses the extrusion force on the plug rod 43, at this time under the elastic action of the spring 45, the spring 45 pushes the limiting ring 44 to drive the plug rod 43 to insert into the limiting hole 5, thereby the fixed shell 32 can be fixed;

[0033] Conversely, pull the convex block 46 upward to drive the plug rod 43 and the limiting ring 44 to move upward along the limiting groove 41 and the connecting piece 42, at this time the spring 45 is compressed, so that the lower end of the plug rod 43 is separated from the limiting hole 5, at this time the fixed shell 32 is in contact with the limiting, pull the installation pipe 3, and then the installation pipe 3 can be quickly disassembled from the connecting pipe 2.

[0034] In work, through the connecting pipe 2, the installation shell 21 and the inner pipe 22 can be installed, because the inner wall of the installation shell 21 is provided with the limiting assembly 4 for fixing the installation pipe 3, so that the front end of the installation pipe 3 held by the user is pushed into the inner wall of the installation shell 21 and the inner pipe 22, at this time the rubber ring 24 is contracted and tightly attached to the inner wall of the fixed shell 32, and the side wall of the fixed shell 32 is in contact with the rubber pad 23, so that the fixed shell 32 can be sealed, and the limiting assembly 4 is inserted into the limiting hole 5, so that the fixed shell 32 can be fixed, and then the installation pipe 3 can be quickly installed and connected with the valve body 1, and the installation rate is improved.

[0035] The inner diameter of the inner pipe 22 and the outer diameter of the fixed sleeve 33 are matched, and the inner diameter of the fixed sleeve 33 and the inner diameter of the connecting pipe 2 are matched, so that when the fixed shell 32 and the fixed sleeve 33 are pushed into the inner wall of the installation shell 21 and the inner pipe 22 respectively, the fixed shell 32 compresses the rubber ring 24 to contract, and the side wall of the fixed shell 32 is in contact with the rubber pad 23, so that the installation pipe 3 can be sealed.

[0036] The outer wall of the fixed sleeve 33 is fixedly connected with the clamping block 34 matched with the two clamping grooves 25, so that when the installation pipe 3 is connected, the two clamping blocks 34 are inserted into the two clamping grooves 25, so that the limiting hole 5 opened in the side wall of the fixed shell 32 faces the limiting assembly 4, and then the installation efficiency of the installation pipe 3 can be improved.

[0037] The limiting assembly 4 is provided with the limiting groove 41 and the connecting piece 42, which can be used to install the plug rod 43, the limiting ring 44 and the spring 45, because the lower end of the plug rod 43 is inclined, so that when the installation pipe 3 is connected, the fixed shell 32 slides along the inner wall of the installation shell 21, at this time the fixed shell 32 can extrude the plug rod 43, so that the plug rod 43 drives the limiting ring 44 to move upward along the limiting groove 41 and the limiting ring 44, at this time the spring 45 is compressed, when the plug rod 43 and the limiting hole 5 coincide, the fixed shell 32 loses the extrusion force on the plug rod 43, at this time the spring 45 drives the limiting ring 44 to drive the plug rod 43 to insert into the limiting hole 5 under the elastic action of the spring 45, and then the fixed shell 32 can be fixed;

[0038] Conversely, pull the convex block 46 upward to drive the plug rod 43 and the limiting ring 44 to move upward along the limiting groove 41 and the connecting piece 42, at this time the spring 45 is compressed, so that the lower end of the plug rod 43 is separated from the limiting hole 5, at this time the fixed shell 32 is in contact with the limiting, pull the installation pipe 3, and then the installation pipe 3 can be quickly disassembled from the connecting pipe 2.

[0039] In summary, the device pushes the fixed shell 32 and the fixed sleeve 33 into the installation shell 21 and the inner wall of the inner pipeline 22 respectively, so that the rubber ring 24 is contracted and tightly attached to the inner wall of the fixed shell 32, and the side wall of the fixed shell 32 is in contact with the rubber pad 23 to seal the fixed shell 32. At this time, the limiting assembly 4 is inserted into the limiting hole 5 to fix the fixed shell 32, and then the installation pipe 3 can be quickly installed and connected with the valve body 1.

[0040] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

Claims

1. A throttle valve with a quick-connect structure, comprising a valve body (1) and a mounting pipe (3), wherein a connecting pipe (2) is provided on the side wall of the valve body (1), characterized in that: An installation shell (21) is fixedly installed on the outer wall of the other end of the connecting pipe (2). An inner pipe (22) smaller than the inner diameter of the connecting pipe (2) is installed on the other end of the connecting pipe (2). A rubber pad (23) is provided on the inner side of the inner wall of the installation shell (21). A rubber ring (24) is provided on the outer wall of the inner pipe (22). A limiting component (4) for fixing the installation pipe (3) is installed on the inner wall of the installation shell (21). One end of the mounting tube (3) is fixedly connected to an annular component (31), and a fixing shell (32) and a fixing sleeve (33) are installed on the other side of the annular component (31). A limit hole (5) is opened on the outer wall of the fixing shell (32).

2. A throttle valve with a quick-connection structure according to claim 1, characterized in that: The inner diameter of the inner pipe (22) is matched with the outer diameter of the fixing sleeve (33), and the inner diameter of the fixing sleeve (33) is matched with the inner diameter of the connecting pipe (2).

3. A throttle valve with a quick-connection structure according to claim 1, characterized in that: The outer diameter of the inner pipe (22) is adapted to the inner diameter of the fixed shell (32), and the outer diameter of the fixed shell (32) is adapted to the inner diameter of the mounting shell (21).

4. A throttle valve with a quick-connection structure according to claim 1, characterized in that: The inner wall of the inner pipe (22) has two slots (25), and the outer wall of the fixing sleeve (33) is fixedly connected with a locking block (34) that matches the two slots (25).

5. A throttle valve with a quick-connection structure according to claim 1, characterized in that: The limiting component (4) includes a limiting groove (41) and a connector (42). The limiting groove (41) is opened on the inner wall of the mounting shell (21). The connector (42) is fixedly installed on the outer wall of the connecting pipe (2). The limiting groove (41) and the connector (42) are connected. A plug rod (43) is inserted into the inner wall of the limiting groove (41) and the inner wall of the connector (42).

6. A throttle valve with a quick-connection structure according to claim 5, characterized in that: A limiting ring (44) is fixedly connected to the outer wall of the insertion rod (43) and the inner wall of the limiting groove (41). A limiting ring (44) is fixedly connected to the top of the limiting ring (44) and the bottom of the inner wall of the connector (42). A protrusion (46) is fixedly installed at the upper end of the insertion rod (43) and the top of the connector (42).

7. A throttle valve with a quick-connection structure according to claim 5, characterized in that: The lower end of the insertion rod (43) is inclined, and the outer diameter of the insertion rod (43) is adapted to the outer diameter of the limiting hole (5).

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