Liquid outlet connector

Abstract

The utility model belongs to the technical field of grouters, and particularly relates to a liquid outlet connector which comprises a connector body, a liquid outlet nozzle and a control portion are arranged on the connector body, a liquid outlet hole is formed in the liquid outlet nozzle, a connecting portion is arranged at the end, away from the liquid outlet nozzle, of the connector body, an installation cavity is formed in the connecting portion, and one end of the installation cavity is communicated with the liquid outlet hole. An opening is formed in the other end of the mounting cavity, a compression spring and a sealing marble are arranged in the mounting cavity, a fixing seat is detachably arranged in the opening, a liquid inlet hole is formed in the fixing seat, an annular alloy sealing gasket is arranged on one side of the fixing seat, and the compression spring drives the sealing marble to abut against the alloy sealing gasket so as to seal the liquid inlet hole; the high-pressure liquid can drive the sealing marble to be separated from the alloy sealing gasket, so that the liquid can be discharged from the liquid outlet hole through the mounting cavity, and the liquid outlet connector is simple in structure and convenient to maintain and replace.

Description

TECHNICAL FIELD

[0001] The utility model belongs to grouting machine technical field, in particular to a liquid outlet joint. BACKGROUND

[0002] High pressure grouting machine is the professional construction machine tool of chemical grouting plugging, structure reinforcing of various buildings and underground concrete wood crack, expansion joint, construction joint, structure joint, high pressure grouting machine plugging exempts from slotting, and it can be backwater construction, and the pressure is big, and the efficiency is high, and the quality is good.

[0003] The liquid outlet joint is a joint for outputting the plugging agent on the grouting machine, and the traditional liquid outlet joint is of an integrated structure. A one-way valve is arranged between the liquid outlet joint and the grouting machine to prevent the backflow of the plugging agent. For example, a grouting machine disclosed in Chinese Utility Model Patent CN202420117439.1 includes a rack, a liquid outlet device, a power device arranged on the rack, and a transmission device connecting the power device and the liquid outlet device. The transmission device includes a reduction gear set and a crankshaft. The crankshaft is rotatably arranged on the rack, and the crankshaft is connected to the output end of the reduction gear set. Two sets of eccentric parts are arranged on the crankshaft. The two sets of eccentric parts are arranged in opposite eccentric positions. Two connecting rods are rotatably arranged on the two sets of eccentric parts, and one set of liquid outlet devices is connected to each connecting rod. The liquid outlet device includes a busbar. A cavity is arranged in the busbar. A plunger is slidably arranged in the cavity. The plunger is rotatably connected to the connecting rod. A liquid inlet channel and a liquid outlet channel are connected to the inner cavity. A one-way valve is arranged in each of the liquid inlet channel and the liquid outlet channel. The eccentric parts on the crankshaft drive the two sets of liquid outlet devices to alternately output liquid.

[0004] As shown in the accompanying drawings, the one-way valve in the above structure includes a compression spring and a ball. The compression spring directly drives the ball to abut against the busbar. However, the compression spring and the ball are easily lost accidentally during the disassembly and maintenance of the grouting machine, which affects the disassembly and maintenance of the grouting machine. In addition, the ball and the connecting position of the ball and the busbar are easily damaged during use, which affects the service life of the grouting machine. The ball is easy to replace, but the busbar is not easy to replace, which affects the maintenance cost of the grouting machine. SUMMARY

[0005] In order to overcome the defects in the prior art, the purpose of the utility model is to provide a liquid outlet joint with simple structure and convenient maintenance and replacement.

[0006] The utility model discloses a liquid outlet joint which is characterized by the following.

[0007] The utility model provides a liquid outlet connector, including the connector main part, be provided with the liquid outlet spout and control part on the connector main part, be provided with the liquid outlet hole in the liquid outlet spout, the connector main part is provided with the connecting portion away from the liquid outlet spout one end, be provided with the installation cavity in the connecting portion, the installation cavity one end communicates with the liquid outlet hole, the installation cavity other end is provided with the opening, be provided with compression spring and sealing ball in the installation cavity, the opening is detachably provided with the fixed base, be provided with the liquid inlet hole in the fixed base, the fixed base one side is provided with annular alloy sealing gasket, compression spring drives sealing ball and tightly close on alloy sealing gasket to seal the liquid inlet hole, high pressure liquid can drive sealing ball and alloy sealing gasket to separate, thereby making liquid can discharge from the liquid outlet hole through the installation cavity.

[0008] The utility model further sets up: sealing ball is made of ceramic material.

[0009] The utility model further sets up: alloy sealing gasket is tungsten steel sealing ring, be provided with the perforation of communicating liquid inlet hole and installation cavity in the tungsten steel sealing ring, and the perforation is provided with the tapered sealing slope close to sealing ball one end, and compression spring drives sealing ball and tightly close on sealing slope.

[0010] The utility model further sets up: the connecting portion is provided with the threaded portion outside circumference, the threaded portion is provided with the sealing groove for installing sealing ring one side away from control part, the sealing groove is provided with annular pressure groove one side away from threaded portion, be provided with the through -hole of connecting with annular pressure groove on the lateral wall of installation cavity, can detect the pressure of liquid in installation cavity through annular pressure groove.

[0011] The utility model further sets up: the lateral surface of installation cavity extends to the circumference and forms the step portion, and the fixed base drives alloy sealing gasket and tightly close on step portion and makes alloy sealing gasket fixed in installation cavity, and the fixed base one end is from installation cavity and is worn out.

[0012] The utility model further sets up: be provided with the fixed groove of adapting with alloy sealing gasket in the fixed base, and the fixed groove communicates with liquid inlet hole.

[0013] The utility model further sets up: alloy sealing gasket one end is from fixed groove and is worn out, thereby making the fixed base can tightly close alloy sealing gasket on step portion.

[0014] The utility model further sets up: the fixed base is made of plastics, and the fixed base is tightly matched with installation cavity and makes the fixed base and connecting portion relative fixed, and the lateral surface of installation cavity or the lateral surface of fixed base is provided with inclined guide surface, and the fixed base is guided and is worn into installation cavity through guide surface.

[0015] The utility model further sets up: the liquid outlet hole is provided with the same shaft in installation cavity, and the inner diameter of compression spring is greater than the diameter of liquid outlet hole.

[0016] The advantages of this utility model compared to the prior art are:

[0017] 1. In this utility model, the compression spring and sealing ball are fixed in the mounting cavity by a fixing seat. The structure is simple and easy to manufacture. During the maintenance of the grouting machine, the liquid outlet joint can be disassembled and installed as a whole, which is convenient for disassembly and maintenance. The alloy sealing gasket helps to improve the sealing effect of the sealing ball on the liquid inlet. When the sealing ball and the alloy sealing gasket are worn, the user can replace the sealing ball and the alloy sealing gasket to continue using the liquid outlet joint, which helps to reduce the maintenance cost of the liquid outlet joint and extend the service life of the liquid outlet joint.

[0018] 2. The sealing ball made of ceramic material in this utility model has high hardness and long service life. Ceramic material is also highly corrosion resistant. Under high-speed movement, it can reduce the static charge and heat generated by friction, reduce the possibility of material sticking to the ball surface, and help extend the service life of the liquid outlet joint. The tungsten steel sealing ring has high wear resistance, high corrosion resistance, and high pressure resistance, avoiding damage to the alloy sealing gasket during use, which helps extend the service life of the liquid outlet joint. The setting of the annular pressure groove and through hole facilitates the pressure measuring device to detect the pressure of the liquid in the installation cavity, making it convenient for users.

[0019] 3. The stepped portion in this utility model facilitates the limitation of the distance between the alloy sealing gasket and the end of the compression spring, thereby determining the initial elastic force of the compression spring. This helps to ensure that the minimum pressure of the liquid outlet joint is the same, and the minimum liquid outlet pressure of the grouting machine will not be affected by the maintenance or replacement of the liquid outlet joint, making it convenient for users. The fixed groove facilitates the pre-assembly and matching of the fixed seat and the alloy sealing gasket, and facilitates the assembly and maintenance of the liquid outlet joint. The alloy sealing gasket that passes through the fixed groove facilitates the positioning and installation of the alloy sealing gasket, and avoids gaps between the alloy sealing gasket and the adjusting plate, which would affect the stable installation of the alloy sealing gasket.

[0020] 4. The plastic fixing base in this utility model is easy to manufacture and process, has low production cost, and is easy to install and disassemble. It can be repeatedly disassembled and installed, avoiding wear on the fixing base and the side wall of the mounting cavity during disassembly, which would affect the use of the fixing base. The guide surface facilitates the disassembly and installation of the fixing base, and facilitates the assembly and maintenance of the liquid outlet connector. Since the liquid outlet hole and the mounting cavity are coaxially arranged, and the inner diameter of the compression spring is larger than the diameter of the liquid outlet hole, it is easy for the rod to pass through the liquid outlet hole and the compression spring and abut against the sealing ball, and drive the alloy sealing gasket and the fixing base to be disassembled from the connector body, which facilitates the disassembly of the liquid outlet connector. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This is an exploded view of the present invention;

[0023] Figure 3 is a sectional view of the utility model;

[0024] Figure 4 is Figure 3 is a local enlarged view of A in the middle;

[0025] Figure 5 is a sectional view of the joint main body in the utility model;

[0026] Figure 6 is a structure schematic view of the alloy sealing gasket in the utility model;

[0027] Figure 7 is a structure schematic view of the fixed seat in the utility model.

[0028] The meaning of the figure mark: 1-joint main body; 11-liquid outlet nozzle; 12-control part; 13-connection part; 14-liquid outlet hole; 15-installation cavity; 131-screw part; 132-sealing groove; 133-ring pressure groove; 134-through hole;

[0029] 151-step part; 152-guiding surface; 2-compression spring; 3-sealing ball; 4-alloy sealing gasket; 41-perforation; 42-sealing inclined surface; 5-fixed seat; 51-liquid inlet hole; 52-fixed groove. Specific embodiment

[0030] The utility model is further described in specific embodiment in combination with the drawings:

[0031] Referring to Figures 1 to 7As shown, a liquid outlet connector, comprising a connector body 1, the connector body 1 is provided with a liquid outlet nozzle 11 and a control part 12, the liquid outlet nozzle 11 is provided with a liquid outlet hole 14, the connector body 1 is provided with a connecting part 13 away from the liquid outlet nozzle 11, the connecting part 13 is provided with a mounting cavity 15, one end of the mounting cavity 15 is communicated with the liquid outlet hole 14, the other end of the mounting cavity 15 is provided with an opening, the mounting cavity 15 is provided with a compression spring 2 and a sealing ball 3, the opening is detachably provided with a fixing seat 5, the fixing seat 5 is provided with a liquid inlet hole 51, one side of the fixing seat 5 is provided with an annular alloy sealing gasket 4, the compression spring 2 drives the sealing ball 3 to abut on the alloy sealing gasket 4 so as to seal the liquid inlet hole 51; the high-pressure liquid can drive the sealing ball 3 to separate from the alloy sealing gasket 4, so that the liquid can be discharged from the liquid outlet hole 14 through the mounting cavity 15, in the structure, the compression spring 2 and the sealing ball 3 are fixed in the mounting cavity 15 through the fixing seat 5, the structure is simple, convenient for production and processing, the liquid outlet connector can be integrally disassembled and assembled during the maintenance process of the grouting machine, convenient for disassembly and maintenance, and the setting of the alloy sealing gasket 4 is favorable for improving the sealing effect of the sealing ball 3 on the liquid inlet hole 51, and when the sealing ball 3 and the alloy sealing gasket 4 are worn, the user can replace the sealing ball 3 and the alloy sealing gasket 4 to continue to use the liquid outlet connector, which is favorable for reducing the maintenance cost of the liquid outlet connector and prolonging the service life of the liquid outlet connector.

[0032] The sealing ball 3 in the utility model is made of ceramic material, the sealing ball 3 made of ceramic material has high hardness and long service life, and the ceramic material has strong corrosion resistance, can reduce the static electricity and heat energy generated by friction under high-speed movement, reduces the possibility of material adhesion on the spherical surface, and is favorable for prolonging the service life of the liquid outlet connector.

[0033] The alloy sealing gasket 4 is a tungsten steel sealing ring, the tungsten steel sealing ring is provided with a perforation 41 communicating the liquid inlet hole 51 and the mounting cavity 15, the tungsten steel sealing ring has high wear resistance, high corrosion resistance and high pressure resistance, avoids damage of the alloy sealing gasket 4 during use, is favorable for prolonging the service life of the liquid outlet connector, preferably, the perforation 41 is provided with a tapered sealing slope 42 near one end of the sealing ball 3, the compression spring 2 drives the sealing ball 3 to abut on the sealing slope 42, the setting of the tapered sealing slope 42 is favorable for improving the sealing property of the connecting position of the sealing ball 3 and the alloy sealing gasket 4, and the structure can reduce the damage of the connecting position of the sealing ball 3 and the alloy sealing gasket 4, and is favorable for prolonging the service life of the sealing ball 3 and the alloy sealing gasket 4.

[0034] The connecting portion 13 is provided with a threaded portion 131 outside the periphery, the threaded portion 131 is provided with a sealing groove 132 for mounting a sealing ring on the side away from the control portion 12, the sealing groove 132 is provided with an annular pressure groove 133 on the side away from the threaded portion 131, a through hole 134 connected with the annular pressure groove 133 is arranged on the side wall of the mounting cavity 15, the pressure of the liquid in the mounting cavity 15 can be detected through the annular pressure groove 133, and the annular pressure groove 133 and the through hole 134 are arranged, so that the pressure detection device can detect the pressure of the liquid in the mounting cavity 15, and the user can conveniently use.

[0035] The mounting cavity 15 extends outwardly along the periphery and forms a stepped portion 151, the fixed seat 5 drives the alloy sealing gasket 4 to abut against the stepped portion 151 and fixes the alloy sealing gasket 4 in the mounting cavity 15, and the stepped portion 151 is arranged, so as to conveniently limit the distance between the alloy sealing gasket 4 and the end portion of the compression spring 2, thereby determining the initial elastic force of the compression spring 2, and the minimum pressure of liquid outlet of the liquid outlet connector is same, and the minimum liquid outlet pressure of the grouting machine is not affected by maintenance or replacement of the liquid outlet connector, and the user can conveniently use.

[0036] Preferably, one end of the fixed seat 5 penetrates out of the mounting cavity 15, when the liquid outlet connector is installed, the fixed seat 5 can abut against the grouting machine, so that the fixed seat 5 and the connector main body 1 are prevented from being relatively loose, and the user can conveniently use.

[0037] When the liquid outlet connector is installed, the compression spring 2 and the sealing ball 3 need to be placed into the mounting cavity 15 first, and then the fixed seat 5, the alloy sealing gasket 4 and the connector main body 1 are assembled, and in this process, the fixed seat 5 and the alloy sealing gasket 4 are prone to deviate and dislocate, and in the utility model, the fixed seat 5 is provided with a fixed groove 52 matched with the alloy sealing gasket 4, the fixed groove 52 is communicated with the liquid inlet hole 51, the fixed groove 52 is arranged, so as to facilitate the advance assembly of the fixed seat 5 and the alloy sealing gasket 4, and then the alloy sealing gasket 4 abuts against the sealing ball 3 and drives the compression spring 2 to deform, thereby facilitating the assembly and maintenance of the liquid outlet connector.

[0038] In the utility model, one end of the alloy sealing gasket 4 penetrates out of the fixed groove 52, so that the fixed seat 5 can abut the alloy sealing gasket 4 against the stepped portion 151, and the structure facilitates the positioning and installation of the alloy sealing gasket 4, and avoids the gap between the alloy sealing gasket 4 and the adjusting plate from affecting the stable installation of the alloy sealing gasket 4.

[0039] The fixing seat 5 is made of plastic, the fixing seat 5 is tightly fitted with the mounting cavity 15 and the fixing seat 5 is fixed relative to the connecting part 13, and the mounting cavity 15 side or the fixing seat 5 side is provided with an inclined guide surface 152, the fixing seat 5 is guided to enter the mounting cavity 15 through the guide surface 152, the fixing seat 5 made of plastic is convenient for production and processing, the production cost is low, the fixing seat 5 is convenient for installation and disassembly, and can be repeatedly disassembled and installed, the wear of the fixing seat 5 and the mounting cavity 15 side wall in the disassembly process is avoided, the use of the fixing seat 5 is affected, the setting of the guide surface 152 facilitates the disassembly and installation of the fixing seat 5, the assembly and maintenance of the liquid outlet joint are facilitated, the inclination of the guide surface 152 in the utility model is small, the description in the drawings is not obvious, but the technical personnel in the art can realize the technical scheme by combining the description and the drawings, and the fixing seat 5 side wall and the mounting cavity 15 side wall are provided with the guide surface 152 in the embodiment.

[0040] Preferably, the liquid outlet hole 14 is coaxially arranged with the mounting cavity 15, and the inner diameter of the compression spring 2 is greater than the diameter of the liquid outlet hole 14. This structure facilitates the rod to pass through the liquid outlet hole 14 and the compression spring 2 and abut against the sealing ball 3, and drives the alloy sealing gasket 4 and the fixing seat 5 to be disassembled from the joint body 1, facilitating the disassembly of the liquid outlet joint.

[0041] The above embodiment is only a preferred embodiment of the utility model, and does not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A liquid outlet connector, comprising a connector body (1), a liquid outlet nozzle (11) and a control portion (12) being arranged on the connector body (1), the liquid outlet nozzle (11) being provided with a liquid outlet hole (14), characterized in that: The joint body (1) is provided with a connecting part (13) away from the liquid outlet nozzle (11), the connecting part (13) is provided with a mounting cavity (15), one end of the mounting cavity (15) is communicated with the liquid outlet hole (14), the other end of the mounting cavity (15) is provided with an opening, the mounting cavity (15) is provided with a compression spring (2) and a sealing ball (3), the opening is detachably provided with a fixing seat (5), the fixing seat (5) is provided with a liquid inlet hole (51), one side of the fixing seat (5) is provided with an annular alloy sealing gasket (4), the compression spring (2) drives the sealing ball (3) to abut against the alloy sealing gasket (4) so as to seal the liquid inlet hole (51); the high-pressure liquid can drive the sealing ball (3) to separate from the alloy sealing gasket (4), so that the liquid can be discharged from the liquid outlet hole (14) through the mounting cavity (15).

2. The liquid outlet connector according to claim 1, characterized in that: The sealing ball (3) is made of ceramic material.

3. The liquid outlet connector of claim 1, wherein: The alloy sealing gasket (4) is a tungsten steel sealing ring, the tungsten steel sealing ring is provided with a perforation (41) communicated with the liquid inlet hole (51) and the mounting cavity (15), and the perforation (41) is provided with a tapered sealing slope (42) near one end of the sealing ball (3), the compression spring (2) drives the sealing ball (3) to abut against the sealing slope (42).

4. The liquid outlet connector of claim 1, wherein: The connecting part (13) is provided with a threaded part (131) on the outer periphery, the threaded part (131) is provided with a sealing groove (132) for mounting a sealing ring away from the control part (12), the sealing groove (132) is provided with an annular pressure groove (133) away from the threaded part (131), a through hole (134) connected with the annular pressure groove (133) is arranged on the side wall of the mounting cavity (15), and the pressure of the liquid in the mounting cavity (15) can be detected through the annular pressure groove (133).

5. The liquid outlet connector according to claim 1 or 2 or 3 or 4, wherein: The mounting cavity (15) extends outwardly along the outer periphery and forms a stepped part (151), the fixing seat (5) drives the alloy sealing gasket (4) to abut against the stepped part (151) and fixes the alloy sealing gasket (4) in the mounting cavity (15), and one end of the fixing seat (5) penetrates out of the mounting cavity (15).

6. The liquid outlet connector of claim 5, wherein: The fixing seat (5) is provided with a fixing groove (52) matched with the alloy sealing gasket (4), and the fixing groove (52) is communicated with the liquid inlet hole (51).

7. The liquid outlet connector of claim 6, wherein: One end of the alloy sealing gasket (4) penetrates out of the fixing groove (52), so that the fixing seat (5) can abut the alloy sealing gasket (4) against the stepped part (151).

8. The liquid outlet connector according to claim 6 or 7, characterized in that: The fixing seat (5) is made of plastic, the fixing seat (5) is tightly fitted with the mounting cavity (15) and is fixed relative to the connecting part (13), and an inclined guide surface (152) is arranged on the side surface of the mounting cavity (15) or the side surface of the fixing seat (5), and the fixing seat (5) is guided to penetrate into the mounting cavity (15) through the guide surface (152).

9. The liquid outlet connector of claim 8, wherein: The liquid outlet hole (14) is coaxially arranged with the mounting cavity (15), and the inner diameter of the compression spring (2) is greater than the diameter of the liquid outlet hole (14).

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