Mechanical seal assembly of process pump

Abstract

The utility model discloses a mechanical seal assembly of a process pump, and relates to the technical field of mechanical seal assemblies. The flow pump comprises a main frame mechanism, a sealing assembly is arranged on the front face of a flow pump body, protection assemblies are arranged at the top and the bottom of the sealing assembly, the sealing assembly comprises a sleeve, a rotary knob is fixedly connected to the front face of the sleeve, and a second pipe body is in threaded connection with the interior of the sleeve. The back face of the second pipe body is fixedly connected with the right side of the front face of the process pump body. The sealing assembly is arranged, specifically, a worker inserts a first pipe body into a second pipe body, a second sealing ring expands under the action of a second supporting block under stress, then a rotary knob is rotated clockwise to drive the interior of a sleeve to make contact with the first sealing ring, the first sealing ring is expanded, and the sealing effect is achieved through the two-layer sealing effect. The sealing effect of the equipment is greatly improved, the practicability of the equipment is greatly improved, meanwhile, immediate liquid overflowing is avoided, and the cleanliness of the periphery of the equipment is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical seal assembly technical field, especially, relate to a mechanical seal assembly of flow pump. BACKGROUND

[0002] The mechanical seal assembly of flow pump is the key part for preventing liquid or gas leakage during the operation of the pump, and the existing flow pump needs to be connected with the pipeline before use. The above-mentioned flow pump is generally connected and fixed by flange, which may be loose in the future and cause liquid overflow, greatly reducing the practicability of the equipment and the cleanliness of the environment around the equipment. Therefore, a mechanical seal assembly of flow pump is proposed. SUMMARY

[0003] The utility model discloses a mechanical seal assembly of flow pump, which is characterized by the following technical solutions: a staff inserts a pipe body one into a pipe body two, a sealing ring two is expanded by the action of a supporting block two under stress, playing a first layer sealing role, then a sleeve inside is contacted with a sealing ring one and expanded under the driving of a knob, realizing a second layer sealing role, solving the problem that the mechanical seal assembly of flow pump is the key part for preventing liquid or gas leakage during the operation of the pump, and the existing flow pump needs to be connected with the pipeline before use. The above-mentioned flow pump is generally connected and fixed by flange, which may be loose in the future and cause liquid overflow, greatly reducing the practicability of the equipment and the cleanliness of the environment around the equipment.

[0004] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0005] The utility model discloses a mechanical seal assembly of flow pump, which is characterized by the following technical solutions: a staff inserts a pipe body one into a pipe body two, a sealing ring two is expanded by the action of a supporting block two under stress, playing a first layer sealing role, then a sleeve inside is contacted with a sealing ring one and expanded under the driving of a knob, realizing a second layer sealing role, solving the problem that the mechanical seal assembly of flow pump is the key part for preventing liquid or gas leakage during the operation of the pump, and the existing flow pump needs to be connected with the pipeline before use. The above-mentioned flow pump is generally connected and fixed by flange, which may be loose in the future and cause liquid overflow, greatly reducing the practicability of the equipment and the cleanliness of the environment around the equipment.

[0006] Further, the left side of the sleeve is in contact with the outer surface of the sealing ring, the second support block is fixedly connected to the inner wall of the second pipe body, the sealing ring two is fixedly connected to the front surface of the second support block, the first pipe body is rotationally connected to the front surface of the sleeve, the back surface of the first pipe body is in contact with the front surface of the sealing ring two, and the sleeve drives the first pipe body to move towards the second pipe body when rotating, and the inner front surface of the sleeve rotates on the outer surface of the first pipe body.

[0007] Further, the number of protection assemblies is two, the two protection assemblies are symmetrically arranged around the first pipe body, the two protection assemblies have the same components, and the protection assembly located at the top comprises a protective cover, four springs are fixedly connected to the inner wall of the protective cover, the springs are pressed when the protective cover moves, the springs are contracted under the action of the sleeve limiting, and the springs generate a certain elastic force and drive the protective cover to reset, without affecting the subsequent use and protection of the protective cover.

[0008] Further, the bottom of each of the four springs is fixedly connected to the front surface and the back surface of the top of the sleeve, the left side and the right side of the top of the sleeve are fixedly connected with a first limiting support, the two first limiting supports are connected with the same components, and the first supporting rod is reversely moved downward under the action of the first limiting support.

[0009] Further, the first supporting rod is rotationally connected to the first limiting support through a pin shaft, the end, away from the first limiting support, of the first supporting rod is rotationally connected to a second limiting support through a pin shaft, the top of the second limiting support is fixedly connected to the inner wall of the top of the protective cover, the second supporting rod is rotationally connected to the inner center of the first supporting rod through a pin shaft, the top of the sleeve is fixedly connected with a cavity, the left side of the cavity is slidably connected with the outer surface of the second supporting rod, the first supporting rod drives the second supporting rod to move when moving, the second supporting rod moves horizontally in the cavity under the action of the cavity limiting, and the push plate moves together with the second supporting rod and slides in the cavity when the second supporting rod moves.

[0010] Further, the push plate is slidably connected in the cavity, the left side of the push plate is fixedly connected with the right side of the second supporting rod, the right side of the cavity is fixedly connected with an air pipe, the top of the cavity is fixedly connected with an air bag, the end, away from the cavity, of the air pipe is fixedly connected with the right side of the air bag, and the push plate pushes the air in the cavity out and transports the air to the air bag through the air pipe when moving, so that the air bag is inflated and abuts against the protective cover, the force received by the protective cover is buffered, and the equipment is prevented from being damaged due to external impact.

[0011] The utility model has the following beneficial effects:

[0012] The utility model discloses a sealing assembly is set up, specifically is that staff inserts pipe body one into the inside of pipe body two, and sealing ring two force expands through the effect of support block two, and the first layer sealing effect is played, then in clockwise rotation knob drives the inside of sleeve pipe and sealing ring one contact and make it expand, realize the second layer sealing effect, through two layer sealing effect, the sealing effect of equipment is greatly improved, the practicability of equipment is greatly improved, simultaneously avoid immediate liquid overflow, and the cleanness of equipment around is greatly improved.

[0013] The utility model discloses a protection assembly is set up, specifically is that the protective cover is moved to the sleeve pipe under the action of force, and the protective cover drives support rod no.

[0014] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be needed to use the drawing of the embodiment to introduce briefly, and obviously, the drawing in the following description only is some embodiments of the utility model, and for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

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

[0017] Figure 2 It is the overall structure schematic diagram of the utility model knob;

[0018] Figure 3 It is the sleeve pipe cross section structure schematic diagram of the utility model;

[0019] Figure 4 It is the overall structure schematic diagram of the utility model protective cover;

[0020] Figure 5 It is the cavity cross section structure schematic diagram of the utility model.

[0021] In the drawing, the component list that each sign represents is as follows:

[0022] 1, main frame mechanism; 111, flow pump body; 2, sealing assembly; 211, pipe body one; 212, knob; 213, sleeve; 214, sealing ring one; 215, support block one; 216, pipe body two; 217, sealing ring two; 218, support block two; 3, protection assembly; 311, protective cover; 312, spring; 313, limiting support one; 314, support rod one; 315, limiting support two; 316, cavity; 317, air pipe; 318, air bag; 319, support rod two; 320, push plate. DETAILED DESCRIPTION

[0023] 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.

[0024] Please refer to Figures 1-5 As shown in the figure, the utility model is a mechanical sealing assembly of flow pump, including main frame mechanism 1, main frame mechanism 1 includes flow pump body 111, flow pump body 111 front is provided with sealing assembly 2, sealing assembly 2 top and bottom are provided with protection assembly 3, sealing assembly 2 includes sleeve 213, sleeve 213 front is fixedly connected with knob 212, sleeve 213 inside is screwedly connected with pipe body two 216, pipe body two 216 back is fixedly connected with the right side of flow pump body 111 front, pipe body two 216 outer surface is fixedly connected with support block one 215, support block one 215 front is fixedly connected with sealing ring one 214, specifically staff inserts pipe body one 211 into pipe body two 216 inside, sealing ring two 217 is expanded under the action of support block two 218, which plays a first layer sealing effect, then clockwise rotating knob 212 drives sleeve 213 inside to contact sealing ring one 214 and make it expand, realizing the second layer sealing effect, through two layer sealing effect, the sealing effect of equipment is greatly improved, the practicability of equipment is greatly improved, at the same time, immediate liquid overflow is avoided, the cleanliness of equipment around is greatly improved.

[0025] Sleeve 213 inside left side is in contact with sealing ring one 214 outer surface, pipe body two 216 inner wall is fixedly connected with support block two 218, support block two 218 front is fixedly connected with sealing ring two 217, sleeve 213 inside front is rotatably connected with pipe body one 211, pipe body one 211 back is in contact with sealing ring two 217 front.

[0026] The number of protection assemblies 3 is two, and the two protection assemblies 3 are symmetrically arranged with the pipe body one 211 as the center. The protection assemblies 3 include protection covers 311, and the inner walls of the protection covers 311 are fixedly connected with four springs 312 at the top. Specifically, when the protection cover 311 is subjected to force, the protection cover 311 moves towards the sleeve 213, and when the protection cover 311 moves, the second supporting rod 319 slides into the cavity 316, and when the second supporting rod 319 moves, the push plate 320 moves together, and the air in the cavity 316 is pushed out and transported into the air bag 318 through the air pipe 317, so that the air bag 318 expands and abuts against the protection cover 311, avoiding damage to the equipment caused by external impact, greatly improving the service life of the equipment, and greatly reducing the use cost of the equipment.

[0027] The bottoms of the four springs 312 are fixedly connected with the front surface and the back surface of the top of the sleeve 213, the left side and the right side of the top of the sleeve 213 are fixedly connected with the first limiting supports 313, and the two first limiting supports 313 are connected with the same parts.

[0028] The right side limiting support one 313 is rotatably connected with a first supporting rod 314 through a pin shaft, one end of the first supporting rod 314 away from the limiting support one 313 is rotatably connected with a second limiting support 315 through a pin shaft, the top of the second limiting support 315 is fixedly connected with the inner wall of the top of the protection cover 311, the first supporting rod 314 is rotatably connected with a second supporting rod 319 at the inner center thereof, the top of the sleeve 213 is fixedly connected with a cavity 316 at the right side thereof, and the left side of the cavity 316 is slidably connected with the outer surface of the second supporting rod 319.

[0029] The cavity 316 is slidably connected with a push plate 320, the left side of the push plate 320 is fixedly connected with the right side of the second supporting rod 319, the right side of the cavity 316 is fixedly connected with an air pipe 317, the top of the cavity 316 is fixedly connected with an air bag 318, and one end of the air pipe 317 away from the cavity 316 is fixedly connected with the right side of the air bag 318.

[0030] One specific application of the embodiment is: in use, first, the staff inserts the pipe body one 211 into the pipe body two 216, at this time, the pipe body one 211 end will contact with the sealing ring two 217, the sealing ring two 217 is expanded by the support block two 218, at this time, the first layer sealing effect is achieved, then the staff rotates the sleeve 213 by rotating the knob 212, the sleeve 213 is connected with the pipe body two 216 by screw, so when the sleeve 213 rotates, the pipe body one 211 will move to the pipe body two 216, at the same time, the front inside of the sleeve 213 rotates on the outer surface of the pipe body one 211, when the sleeve 213 moves to the pipe body two 216, the inside of the sleeve 213 will contact with the sealing ring one 214, the sealing ring one 214 is expanded by the support block one 215, the second layer sealing effect is achieved, through the two layer sealing effect, the sealing effect of the equipment is greatly improved, the practicability of the equipment is greatly improved, at the same time, the liquid is prevented from spilling immediately, the cleanliness around the equipment is greatly improved, when the protective cover 311 is impacted by external force during use of the equipment, the protective cover 311 will move to the sleeve 213, when the protective cover 311 moves, the limiting support two 315 will move, at the same time, the limiting support two 315 will drive the support rod one 314 to move, the support rod one 314 will be turned down by the limiting support one 313, when the support rod one 314 moves, the support rod two 319 will move, the support rod two 319 will slide into the cavity 316 by the limiting of the cavity 316, at the same time, the support rod two 319 will drive the push plate 320 to move and slide in the cavity 316, when the push plate 320 moves, the air in the cavity 316 will be pushed out and transported into the air bag 318 through the air pipe 317, so the air bag 318 will be expanded and resist the protective cover 311, the force on the protective cover 311 is buffered, the equipment is prevented from being damaged by external impact, the service life of the equipment is greatly improved, the use cost of the equipment is greatly reduced, at the same time, when the protective cover 311 moves, the spring 312 will be extruded, the spring 312 will be contracted by the limiting of the sleeve 213, at the same time, the spring 312 will rebound and drive the protective cover 311 to reset, the subsequent use and protection of the protective cover 311 are not affected.

[0031] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A mechanical seal assembly for a process pump, comprising a main frame mechanism (1), the main frame mechanism (1) comprising a process pump body (111), a sealing assembly (2) disposed on the front side of the process pump body (111), and protective assemblies (3) disposed on the top and bottom of the sealing assembly (2), characterized in that: The sealing assembly (2) includes a sleeve (213), a knob (212) is fixedly connected to the front of the sleeve (213), a pipe body (216) is threaded inside the sleeve (213), the back of the pipe body (216) is fixedly connected to the right side of the front of the process pump body (111), a support block (215) is fixedly connected to the outer surface of the pipe body (216), and a sealing ring (214) is fixedly connected to the front of the support block (215).

2. The mechanical seal assembly of a process pump according to claim 1, characterized in that, The left side of the inside of the sleeve (213) is in contact with the outer surface of the sealing ring (214). The inner wall of the tube body (216) is fixedly connected to the support block (218). The front of the support block (218) is fixedly connected to the sealing ring (217). The front of the inside of the sleeve (213) is rotatably connected to the tube body (211). The back of the tube body (211) is in contact with the front of the sealing ring (217).

3. The mechanical seal assembly of a process pump according to claim 2, characterized in that, The number of protective components (3) is two sets. The two sets of protective components (3) are symmetrically arranged with the tube body (211) as the center. The two sets of protective components (3) contain the same parts. The protective component (3) located at the top includes a protective cover (311). Four springs (312) are fixedly connected to the top of the inner wall of the protective cover (311).

4. The mechanical seal assembly of a process pump according to claim 3, characterized in that, The bottom of each of the four springs (312) is fixedly connected to the front and back of the top of the sleeve (213). The left and right sides of the top of the sleeve (213) are fixedly connected to the first limit bracket (313). The parts connected to the two first limit brackets (313) are the same.

5. The mechanical seal assembly of a process pump according to claim 4, characterized in that, Inside the right-side limiting bracket one (313), a support rod one (314) is rotatably connected by a pin. The end of the support rod one (314) away from the limiting bracket one (313) is rotatably connected by a limiting bracket two (315) through a pin. The top of the limiting bracket two (315) is fixedly connected to the top of the inner wall of the protective cover (311).

6. The mechanical seal assembly of a process pump according to claim 5, characterized in that, The support rod 1 (314) is rotatably connected to the support rod 2 (319) through a pin at its center. The top right side of the sleeve (213) is fixedly connected to a cavity (316). The left side inside the cavity (316) is slidably connected to the outer surface of the support rod 2 (319).

7. The mechanical seal assembly of a process pump according to claim 6, characterized in that, A push plate (320) is slidably connected inside the cavity (316). The left side of the push plate (320) is fixedly connected to the right side of the second support rod (319). An air tube (317) is fixedly connected to the right side of the cavity (316). An air bag (318) is fixedly connected to the top of the cavity (316). The end of the air tube (317) away from the cavity (316) is fixedly connected to the right side of the air bag (318).

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