Remote controller with valve element limiting function for plunger pump

Abstract

The utility model belongs to the technical field of plunger pumps, and particularly relates to a remote controller with a valve core limiting function for a plunger pump, which comprises a remote control valve body internally provided with a remote control valve core, and further comprises a remote control joint mounted on a remote interface arranged on one side of the remote control valve body; the number of the hoses is two, and the two hoses are both communicated with the remote control connector; the multifunctional connector is communicated with the end part of the hose and comprises a connector body communicated with the end part of the hose, and a first step, a second step and a third step are respectively formed in the connector body from top to bottom. According to the utility model, the two hoses are communicated at the remote control joint, the end parts of the hoses are connected with the multifunctional connector, and the three different steps are formed at the multifunctional connector, so that the connection of different types of pipelines is met, the use universality is improved, and the problem that the universality of the device at the present stage is not strong is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of plunger pumps, in particular to a remote controller with a valve core limiter for a plunger pump. Background Art

[0002] The plunger pump is an important device in the hydraulic system. It relies on the reciprocating motion of the plunger in the cylinder to change the volume of the sealed working chamber to achieve oil suction and oil pressure. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency and convenient flow regulation. It is widely used in situations where high pressure, large flow and flow regulation are required, such as hydraulic presses, construction machinery and ships.

[0003] After searching, the patent number CN201921673211.6 discloses a remote controller with a valve core limit for a plunger pump. This solution can realize remote pressure control of the plunger variable pump, and can also control the movement of the valve core limit throttle rod through damping. The valve core limit part makes the valve core limit throttle rod operate more stably, and reduces the impact of flow fluctuations caused by pressure cut-off on the plunger variable pump; however, this solution still has some defects and shortcomings. First, the remote control valve body is connected to the liquid inlet port of the plunger pump through a remote control interface set on one side of it, but in actual use, the interfaces of the plunger pump are diverse, making it difficult for the device to meet the use of different types of plunger pump interfaces. Therefore, the versatility is not strong enough and needs to be improved. Utility Model Content

[0004] (1) Technical problems solved

[0005] In response to the shortcomings of the existing technology, the utility model provides a remote controller with a valve core limit for a plunger pump. By connecting two hoses at the remote control joint and connecting a multifunctional connector at the end of the hose, three different steps are formed at the multifunctional connector, which can meet the connection of different types of pipelines, thereby increasing its versatility of use and solving the problem of low versatility of current devices.

[0006] (2) Technical solution

[0007] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0008] A remote controller with a valve core limit for a plunger pump includes a remote control valve body with a remote control valve core installed inside, and also includes: a remote control joint, the remote control joint is installed on a remote interface provided on one side of the remote control valve body; two hoses are provided, both of which are connected to the remote control joint; a multifunctional connector is connected to the end of the hose, the multifunctional connector includes a connector body connected to the end of the hose, a first step, a second step and a third step are formed in the connector body from top to bottom, the apertures of the first step, the second step and the third step decrease in sequence, and three pipeline interfaces of different sizes are formed respectively, and then the connection requirements of different types of equipment are met through the three pipeline interfaces.

[0009] Furthermore, a liquid inlet provided on one side of the remote control valve body is connected to a liquid inlet pipe.

[0010] Furthermore, the remote control connector includes a connecting seat and a sealing connector that is cooperatively arranged on the connecting seat. The connecting seat is connected to the remote interface of the remote control valve body, and a bevel groove is formed on the inner side of the connecting seat. The sealing connector is connected to a conical cylinder that is adapted to the bevel groove.

[0011] Furthermore, the bottom of the conical cylinder is connected to a threaded sealing tube, and the bottom of the connecting seat located at the bevel groove is provided with a screw hole, and the threaded sealing tube is adapted to the screw hole.

[0012] Furthermore, a sealing protrusion is integrally formed on one side of the conical cylinder, and a sealing groove is provided at the beveled groove of the connecting seat, and the sealing protrusion is adapted to the sealing groove.

[0013] Furthermore, a connecting plate is rotatably connected to the inner wall of the sealing joint, a hole is opened on the connecting plate, and a sealing ring is provided at the hole. The hose is connected to the hole and connected to the sealing ring, and a flange ring is integrally formed on the connecting seat and the sealing joint.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the present invention provides a remote controller with valve core limit for a plunger pump, which has the following beneficial effects:

[0016] 1. The utility model provides a multifunctional connector at the end of the hose. The multifunctional connector includes a connector body. A first step, a second step, and a third step are formed from top to bottom in the connector body. The apertures of the first step, the second step, and the third step decrease in sequence, and three pipe interfaces of different sizes are formed respectively. Then, the connection requirements of different types of equipment are met through the three pipe interfaces, so as to meet the versatility of the device and be adaptable to the use of different types of pipeline equipment.

[0017] 2. The utility model can control two plunger pumps at the same time by connecting two hoses at a remote joint, thereby realizing simultaneous control of multiple plunger pumps.

[0018] 3. The utility model provides a remote control connector, which includes a connecting seat and a sealing connector adapted to the connecting seat. The sealing connector is assembled on the connecting seat by means of sealing protrusions, etc., which has a good sealing effect and prevents leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the remote control connector in the present invention when it is disassembled;

[0021] Figure 3 It is a structural schematic diagram of the multifunctional connector in the utility model.

[0022] In the figure: 1. Remote control valve body; 2. Liquid inlet pipe; 3. Remote control connector; 301. Connecting seat; 302. Bevel groove; 303. Sealing groove; 304. Screw hole; 305. Threaded sealing tube; 306. Sealing protrusion; 307. Conical cylinder; 308. Sealing connector; 309. Connecting plate; 3010. Sealing ring; 3011. Flange ring; 4. Hose; 5. Multi-function connector; 501. Connector body; 502. First step; 503. Second step; 504. Third step. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Example

[0025] like Figure 1 and Figure 3As shown, a remote controller with a valve core limit for a plunger pump proposed in one embodiment of the present invention includes a remote control valve body 1 with a remote control valve core installed inside, and also includes: a remote control connector 3, the remote control connector 3 is installed on a remote interface set on one side of the remote control valve body 1; two hoses 4 are provided, and both hoses 4 are connected to the remote control connector 3; a multifunctional connector 5, which is connected to the end of the hose 4, and the multifunctional connector 5 includes a connector body 501 connected to the end of the hose 4, and a first step 502, a second step 503 and a third step 504 are formed from top to bottom in the connector body 501, and the apertures of the first step 502, the second step 503 and the third step 504 decrease in sequence, and form three pipeline interfaces of different sizes respectively, and then meet the connection requirements of different types of equipment through the three pipeline interfaces.

[0026] It should be noted that a remote control valve core is provided in the remote control valve body 1, and its usage and principle are all known existing technologies and will not be elaborated on. By providing a remote control connector 3 at the remote interface of the remote control valve body 1, the connection of pipe fittings is achieved. The remote control connector 3 has good sealing effect and is easy to connect. By providing two hoses 4 on the remote control connector 3, there are two hoses 4, which can meet the use of two plunger pumps. By providing a multi-functional connector 5 at the end of the hose 4, the connection of the plunger pump is achieved. The main part of the multi-functional connector 5 is the connector body 501, and the first step 502, the second step 503 and the third step 504 are formed on the connector body 501 in sequence. The apertures of the first step 502, the second step 503 and the third step 504 are reduced in sequence, and three connection ports of different sizes can be formed, which are adapted to the connection and use of different types of pipeline equipment in sequence, thereby increasing the versatility of the device.

[0027] like Figure 1 As shown, in some embodiments, a liquid inlet provided on one side of the remote control valve body 1 is connected to a liquid inlet pipe 2 .

[0028] It should be noted that the liquid inlet pipe 2 can satisfy the entry of liquid.

[0029] like Figure 1 and Figure 2 As shown, in some embodiments, the remote control connector 3 includes a connecting seat 301 and a sealing connector 308 that is cooperatively arranged on the connecting seat 301. The connecting seat 301 is connected to the remote interface of the remote control valve body 1, and a bevel groove 302 is formed on the inner side of the connecting seat 301. The sealing connector 308 is connected to a tapered cylinder 307, and the tapered cylinder 307 is adapted to the bevel groove 302.

[0030] It should be noted that the main part of the remote control connector 3 is the connecting seat 301 and the sealing connector 308. By providing a tapered cylinder 307 on the sealing connector 308 and the tapered cylinder 307 being adapted to the bevel groove 302, the sealing performance of the remote control connector 3 can be ensured.

[0031] like Figure 2 As shown, in some embodiments, the bottom of the conical cylinder 307 is connected to a threaded sealing tube 305 , and the bottom of the connecting seat 301 located at the bevel groove 302 is provided with a screw hole 304 , and the threaded sealing tube 305 is adapted to the screw hole 304 .

[0032] It should be noted that the threaded sealing tube 305 is adapted to the threaded hole 304 to achieve the connection function of the sealing joint 308 on the connecting seat 301.

[0033] like Figure 2 As shown, in some embodiments, a sealing protrusion 306 is integrally formed on one side of the conical cylinder 307 , and a sealing groove 303 is provided at the bevel groove 302 of the connecting seat 301 , and the sealing protrusion 306 is adapted to the sealing groove 303 .

[0034] It should be noted that the provision of the sealing groove 303 and the sealing protrusion 306 can further ensure the sealing of the connection between the connecting seat 301 and the sealing joint 308 to prevent liquid leakage.

[0035] like Figure 1 and Figure 2 As shown, in some embodiments, a connecting plate 309 is rotatably connected to the inner wall of the sealing joint 308, a hole is opened on the connecting plate 309, and a sealing ring 3010 is provided at the hole, the hose 4 is connected to the hole and connected to the sealing ring 3010, and a flange ring 3011 is integrally formed on the connecting seat 301 and the sealing joint 308.

[0036] It should be noted that the connecting plate 309 is rotatably connected to the sealing joint 308, and the angle can be adjusted to facilitate the connection and assembly of the sealing joint 308. The hose 4 will not rotate during the rotation. The hose 4 is connected to the hole of the connecting plate 309 and is connected to the sealing ring 3010 to ensure the connection sealing of the hose 4. The setting of the flange ring 3011 can strengthen the tightness between the structures.

[0037] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A remote controller with a valve core limiter for a plunger pump, comprising a remote control valve body (1) in which a remote control valve core is installed, characterized in that: Also includes: A remote control connector (3), the remote control connector (3) being mounted on a remote interface provided on one side of the remote control valve body (1); Two hoses (4) are provided, and both of the hoses (4) are connected to the remote control connector (3); A multifunctional connector (5) is connected to the end of a hose (4). The multifunctional connector (5) comprises a connector body (501) connected to the end of the hose (4). A first step (502), a second step (503) and a third step (504) are formed in the connector body (501) from top to bottom. The apertures of the first step (502), the second step (503) and the third step (504) decrease in sequence, and three pipeline interfaces of different sizes are formed respectively. Then, the connection requirements of different types of equipment are met through the three pipeline interfaces.

2. A remote controller with valve core limit for a plunger pump according to claim 1, characterized in that: A liquid inlet provided on one side of the remote control valve body (1) is connected to a liquid inlet pipe (2).

3. A remote controller with valve core limiter for a plunger pump according to claim 1, characterized in that: The remote control connector (3) includes a connecting seat (301) and a sealing connector (308) arranged on the connecting seat (301). The connecting seat (301) is connected to the remote interface of the remote control valve body (1), and an oblique groove (302) is formed on the inner side of the connecting seat (301). The sealing connector (308) is connected to a tapered cylinder (307), and the tapered cylinder (307) is adapted to the oblique groove (302).

4. A remote controller with valve core limiter for a plunger pump according to claim 3, characterized in that: The bottom of the conical cylinder (307) is connected to a threaded sealing tube (305), and the bottom of the connecting seat (301) located at the bevel groove (302) is provided with a screw hole (304), and the threaded sealing tube (305) is adapted to the screw hole (304).

5. A remote controller with valve core limit for a plunger pump according to claim 4, characterized in that: A sealing protrusion (306) is integrally formed on one side of the conical cylinder (307), and a sealing groove (303) is provided at the bevel groove (302) of the connecting seat (301), and the sealing protrusion (306) is adapted to the sealing groove (303).

6. A remote controller with valve core limit for a plunger pump according to claim 5, characterized in that: A connecting plate (309) is rotatably connected to the inner wall of the sealing joint (308), a hole is formed on the connecting plate (309), and a sealing ring (3010) is provided at the hole, the hose (4) is connected to the hole and connected to the sealing ring (3010), and a flange ring (3011) is integrally formed on the connecting seat (301) and the sealing joint (308).

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