Mechanical seal with heat dissipation structure

Abstract

The utility model relates to the technical field of mechanical seals, and discloses a mechanical seal with a heat dissipation structure, which comprises a mechanical seal body. The ventilation part is arranged on the outer wall of the mechanical seal body; the cooling part is arranged in the ventilation part; the ventilation part comprises a fixing ring which is fixedly connected to the outer wall of the mechanical seal body through a supporting column. By controlling rotation of an electric valve, the electric valve blocks T-shaped transmission ports in different directions, when the electric valve is parallel to the ground, liquid in a second arc-shaped transmission pipe circularly flows, when the electric valve is perpendicular to the ground, the second arc-shaped transmission pipe is communicated with a transmission pipe, and then cooling liquid is fed into a connecting pipe; and therefore, under the action of the fixing box, the cooling liquid is uniformly shunted, and the purpose of conveniently adding the cooling liquid into the arc-shaped conveying pipe II and the arc-shaped conveying pipe I is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical seal technical field, concretely is a mechanical seal with heat radiation structure. BACKGROUND

[0002] Mechanical seal is also called end face seal, is to by at least one pair of perpendicular to the end face of rotating axis under the action of fluid pressure and compensation mechanism elastic force (or magnetic force) and the cooperation of auxiliary seal keeps close and relative sliding and constructs the device that prevents fluid leakage, mechanical seal is a kind of shaft seal device of rotating machinery, such as centrifugal pump, centrifuge, reaction kettle and compressor and other equipment.The types of shaft seal are many, since mechanical seal has the advantages such as less leakage and long service life, so mechanical seal is the most primary shaft sealing mode in these devices in the world.

[0003] At present, the technical scheme of presetting trajectory to guide the flow of cooling liquid is generally used in the field of mechanical seal, cooling liquid uniformly covers the sealing area through specific flow channel design, to realize efficient cooling, however, with the long-term operation of equipment, the problem of decreasing inventory caused by natural loss of cooling liquid is increasingly prominent, and the existing device has significant deficiencies in cooling liquid supplement operation. UTILITY MODEL CONTENT

[0004] The utility model discloses a mechanical seal with heat radiation structure reaches the technical problem that the existing technology with the long-term operation of equipment, the problem of decreasing inventory caused by natural loss of cooling liquid is increasingly prominent, and the existing device has significant deficiencies in cooling liquid supplement operation is solved, reaches the purpose that the switching of control electric valve is convenient to add cooling liquid to the inside of arc transmission pipe two and arc transmission pipe one.

[0005] To achieve the above object, the utility model provides the following technical scheme: a mechanical seal with heat radiation structure, comprising: mechanical seal body;Ventilation part is arranged on the outer wall of the mechanical seal body;Cooling part is arranged in the inside of the ventilation part;Wherein, the ventilation part includes: fixed ring, is fixedly connected on the outer wall of mechanical seal body by support;Annular sliding frame is slidably connected on the outer wall of mechanical seal body, and the annular sliding frame is symmetrically arranged.

[0006] Preferably, the annular sliding frame is provided with a sliding groove one on one side, the annular net plate is arranged between the fixed ring and the annular sliding frame, one end of the annular net plate is fixedly connected on one side of the fixed ring, the other end of the annular net plate is slidably connected in the inside of the sliding groove one, the continuous expansion or shortening of the annular net plate can be realized by controlling the rotation angle of the threaded rod.

[0007] Preferably, the outer wall of the fixed ring is fixedly connected with threaded blocks, the threaded blocks are symmetrically arranged, the outer wall of the annular sliding frame is fixedly connected with fixed blocks, the fixed blocks are symmetrically arranged, the inside of the fixed blocks is rotatably connected with threaded rods, one end of the threaded rods penetrates through the fixed blocks and extends outward, the threaded rods are threadedly connected with the inside of the threaded blocks, and the threaded rods and the threaded blocks form a self-locking structure.

[0008] Preferably, the cooling part comprises fixed seats fixedly connected to the outer wall of the mechanical seal body, and fixed boxes fixedly connected to the inner wall of the fixed ring.

[0009] Preferably, the inside of the fixed seat is fixedly connected with an arc-shaped transmission pipe one, the inside of the fixed seat is fixedly connected with an arc-shaped transmission pipe two, the arc-shaped transmission pipe two is communicated with the arc-shaped transmission pipe one, and a water pump is arranged in communication between the arc-shaped transmission pipe one and the arc-shaped transmission pipe two.

[0010] Preferably, the inside of the arc-shaped transmission pipe two is fixedly connected with a spherical block, the inside of the spherical block is provided with a T-shaped transmission port, the T-shaped transmission port is communicated with the arc-shaped transmission pipe two, and an electric valve is rotatably connected between the inner walls of the T-shaped transmission port.

[0011] Preferably, the inside of the fixed box is provided with a shunt port, a transmission pipe is arranged between the fixed box and the spherical block, one end of the transmission pipe is communicated with the bottom of the fixed box, the other end of the transmission pipe is communicated with the outer wall of the spherical block, a connecting pipe is communicated with the top of the fixed box, the connecting pipe extends outwardly through the fixed ring, a drainage block is fixedly connected to the inner wall of the connecting pipe, and the drainage block is symmetrically arranged.

[0012] The utility model provides a mechanical seal with heat dissipation structure possesses following beneficial effect:

[0013] (1), the utility model discloses a threaded rod is rotated, because threaded rod and threaded block thread connection, make threaded rod drive fixed block and annular sliding frame along the outer wall of mechanical seal body sliding fixed, thereby make annular net board expand or shorten, to reach the purpose of increasing or reducing the ventilation hole.

[0014] (2), the utility model discloses a rotation of control electric valve makes electric valve to the T-shaped transmission mouth of different direction and blocks, when electric valve parallel with ground, thereby make the liquid circulation flow in arc transmission pipe no. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the main structure diagram of the utility model structure;

[0016] Fig. 2 It is the front view of the utility model;

[0017] Fig. 3 It is the ventilation part view of the utility model;

[0018] Fig. 4 It is the detail view of the ventilation part of the utility model;

[0019] Fig. 5 It is the cooling part view of the utility model;

[0020] Fig. 6 It is the detail view of the cooling part of the utility model.

[0021] In the drawing: 1 mechanical seal body, 2 ventilation part, 3 cooling part;

[0022] 211 fixed ring, 212 annular sliding frame, 213 annular net board, 214 threaded block, 215 fixed block, 216 threaded rod;

[0023] 311 fixed seat, 312 arc transmission pipe one, 313 arc transmission pipe two, 314 water pump, 315 spherical block, 316 electric valve, 317 fixed box, 318 transmission pipe, 319 connecting pipe, 320 drainage block. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not 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 the utility model.

[0025] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can through the intermediate medium indirectly connect, can be two element internal communication or two element's interaction relationship.For the ordinary skill in the art, the above terms can be understood according to the specific meaning in the utility model. Embodiment

[0026] Based on the existing prior art with the equipment long-term operation, the natural loss of coolant causes the inventory reduction problem increasingly prominent, and the existing device has significant deficiencies in the operation of coolant supplement, the preferable embodiment of a mechanical seal with heat dissipation structure provided by the utility model as shown in Figs. 1-6 As shown: a mechanical seal with heat dissipation structure, comprising: mechanical seal body 1;Ventilation part 2 is arranged on the outer wall of mechanical seal body 1;Cooling part 3 is arranged inside the ventilation part 2;Wherein, the ventilation part 2 comprises: fixed ring 211, which is fixedly connected to the outer wall of mechanical seal body 1 by a support;Annular sliding frame 212 is slidably connected to the outer wall of mechanical seal body 1, and the annular sliding frame 212 is symmetrically arranged.

[0027] One side of the annular sliding frame 212 is provided with a sliding groove one, and the annular net plate 213 is arranged between the fixed ring 211 and the annular sliding frame 212, one end of the annular net plate 213 is fixedly connected to one side of the fixed ring 211, and the other end of the annular net plate 213 is slidably connected to the inside of the sliding groove one.

[0028] The outer wall of the fixed ring 211 is fixedly connected with a threaded block 214, the threaded block 214 is symmetrically arranged, the outer wall of the annular sliding frame 212 is fixedly connected with a fixed block 215, the fixed block 215 is symmetrically arranged, the inside of the fixed block 215 is rotatably connected with a threaded rod 216, one end of the threaded rod 216 extends outwardly through the fixed block 215, and the inside of the threaded rod 216 is threadedly connected with the threaded block 214.

[0029] Further, the threaded rod 216 is rotated in the embodiment, since the threaded rod 216 is threadedly connected with the threaded block 214, the threaded rod 216 drives the fixed block 215 and the annular sliding frame 212 to slide and fix along the outer wall of the mechanical seal body 1, so that the annular net plate 213 is expanded or shortened, so as to increase or reduce the ventilation hole. Embodiment

[0030] On the basis of embodiment one, the preferable embodiment of a mechanical seal with heat dissipation structure provided by the utility model as shown in Figs. 1-6As shown: cooling part 3 includes: fixed seat 311, fixedly connected to the outer wall of the mechanical seal body 1, fixed seat 311 is symmetrically arranged; fixed box 317 is fixedly connected to the inner wall of the fixed ring 211.

[0031] The inside of the fixed seat 311 is fixedly connected with the arc-shaped transmission pipe one 312, the inside of the fixed seat 311 is fixedly connected with the arc-shaped transmission pipe two 313, the arc-shaped transmission pipe two 313 is communicated with the arc-shaped transmission pipe one 312, and the arc-shaped transmission pipe one 312 and the arc-shaped transmission pipe two 313 are communicated with the water pump 314.

[0032] The inside of the arc-shaped transmission pipe two 313 is fixedly connected with the spherical block 315, the inside of the spherical block 315 is provided with a T-shaped transmission port, the T-shaped transmission port is communicated with the arc-shaped transmission pipe two 313, and the inner wall of the T-shaped transmission port is rotatably connected with the electric valve 316.

[0033] The inside of the fixed box 317 is provided with a shunt port, the fixed box 317 and the spherical block 315 are provided with the transmission pipe 318, one end of the transmission pipe 318 is communicated with the bottom of the fixed box 317, the other end of the transmission pipe 318 is communicated with the outer wall of the spherical block 315, the top of the fixed box 317 is communicated with the connecting pipe 319, the connecting pipe 319 extends outwardly through the fixed ring 211, the inner wall of the connecting pipe 319 is fixedly connected with the drainage block 320, and the drainage block 320 is symmetrically arranged.

[0034] Further, the rotation of the electric valve 316 is controlled, the electric valve 316 blocks the T-shaped transmission port in different directions, when the electric valve 316 is parallel to the ground, the liquid in the arc-shaped transmission pipe two 313 is circulated, when the electric valve 316 is perpendicular to the ground, the arc-shaped transmission pipe two 313 is communicated with the transmission pipe 318, then the cooling liquid is poured into the connecting pipe 319, under the action of the fixed box 317, the cooling liquid is uniformly shunted, so that the purpose of conveniently adding cooling liquid to the inside of the arc-shaped transmission pipe two 313 and the arc-shaped transmission pipe one 312 is achieved.

[0035] In use, firstly, rotate the threaded rod 216, since the threaded rod 216 is in threaded connection with the threaded block 214, make the threaded rod 216 drive the fixed block 215 and the annular sliding frame 212 to slide and fix along the outer wall of the mechanical seal body 1, so as to make the annular mesh plate 213 expand or shorten, so as to achieve the purpose of increasing or reducing the ventilation hole; secondly, control the rotation of the electric valve 316, make the electric valve 316 block the T-shaped transmission port in different directions, when the electric valve 316 is parallel to the ground, so that the liquid in the arc-shaped transmission pipe two 313 circulates, when the electric valve 316 is perpendicular to the ground, so that the arc-shaped transmission pipe two 313 is communicated with the transmission pipe 318, then pour the cooling liquid into the connecting pipe 319, so that the cooling liquid is uniformly distributed under the action of the fixed box 317, so as to achieve the purpose of conveniently adding cooling liquid to the inside of the arc-shaped transmission pipe two 313 and the arc-shaped transmission pipe one 312.

[0036] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] Finally, it should be noted that: the above only the preferred embodiments of the present application have described, and does not limit the present application, although the foregoing detailed description of the present application has been made, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A mechanical seal having a heat dissipating structure, characterized by comprising: Including have: mechanical seal body (1); Ventilation site (2) is arranged on the outer wall of the mechanical seal body (1); Cooling site (3) is arranged inside the ventilation site (2); Wherein, the ventilation site (2) includes: Fixed ring (211) is fixedly connected to the outer wall of mechanical seal body (1) by support; Annular sliding frame (212) is slidably connected to the outer wall of mechanical seal body (1), and the annular sliding frame (212) is symmetrically arranged.

2. The mechanical seal with heat dissipation structure according to claim 1, characterized in that: One side of the annular sliding frame (212) is provided with a sliding groove one, and an annular mesh plate (213) is arranged between the fixed ring (211) and the annular sliding frame (212), one end of the annular mesh plate (213) is fixedly connected to one side of the fixed ring (211), and the other end of the annular mesh plate (213) is slidably connected to the inside of the sliding groove one.

3. The mechanical seal with heat dissipation structure according to claim 1, characterized in that: The outer wall of the fixed ring (211) is fixedly connected with a threaded block (214), the threaded block (214) is symmetrically arranged, the outer wall of the annular sliding frame (212) is fixedly connected with a fixed block (215), the fixed block (215) is symmetrically arranged, a threaded rod (216) is rotatably connected in the fixed block (215), one end of the threaded rod (216) extends outwardly through the fixed block (215), and the threaded rod (216) is threadedly connected with the inside of the threaded block (214).

4. The mechanical seal with heat dissipation structure according to claim 1, characterized in that: The cooling site (3) includes: Fixed seat (311) is fixedly connected to the outer wall of mechanical seal body (1), and the fixed seat (311) is symmetrically arranged; Fixed box (317) is fixedly connected to the inner wall of fixed ring (211).

5. The mechanical seal with heat dissipation structure according to claim 4, characterized in that: The inside of the fixed seat (311) is fixedly connected with an arc-shaped transmission pipe one (312), the inside of the fixed seat (311) is fixedly connected with an arc-shaped transmission pipe two (313), the arc-shaped transmission pipe two (313) is communicated with the arc-shaped transmission pipe one (312), and a water pump (314) is arranged between the arc-shaped transmission pipe one (312) and the arc-shaped transmission pipe two (313).

6. The mechanical seal with heat dissipation structure according to claim 5, characterized in that: The inside of the arc-shaped transmission pipe two (313) is fixedly connected with a spherical block (315), a T-shaped transmission port is formed in the inside of the spherical block (315), the T-shaped transmission port is communicated with the arc-shaped transmission pipe two (313), and an electric valve (316) is rotatably connected between the inner walls of the T-shaped transmission port.

7. The mechanical seal with heat dissipation structure according to claim 4, characterized in that: The inside of the fixed box (317) is provided with a shunt port, a transmission pipe (318) is arranged between the fixed box (317) and the spherical block (315), one end of the transmission pipe (318) is communicated and arranged at the bottom of the fixed box (317), the other end of the transmission pipe (318) is communicated and arranged on the outer wall of the spherical block (315), a connecting pipe (319) is communicated and arranged on the top of the fixed box (317), the connecting pipe (319) extends outwardly through the fixed ring (211), a drainage block (320) is fixedly connected to the inner wall of the connecting pipe (319), and the drainage block (320) is symmetrically arranged.

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