Packing ring convenient to take and use

Abstract

The utility model discloses a packing ring convenient to take and use, which belongs to the technical field of packing rings and comprises an outer packing ring, an inner packing ring is arranged in the outer packing ring, fixing components are arranged on the surfaces of the outer packing ring and the inner packing ring, mounting holes are arranged on the periphery of the side surface of the outer packing ring, and a connecting rod is arranged in the middle of each mounting hole. A fixing seat connected with the connecting rod is arranged on the surface of the inner packing ring, a pin hole is formed in the lower end of the side edge of the outer packing ring, a first clamping groove is formed in the bottom of the outer packing ring, and a limiting assembly is arranged on the side edge of the mounting hole. The fixing pin is always inserted into the pin hole under the elastic force effect of the reset spring, rapid stacking and fixing of the outer packing ring are achieved, the second clamping block is inserted into the second clamping groove, and the first magnet piece and the second magnet piece are magnetically attracted, so that the inner packing ring is rapidly installed, different use requirements are met through stacking use, and packing use is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of packing rings, and in particular relates to a packing ring which is convenient to take out. Background Art

[0002] Packing ring is a kind of mechanical sealing product suitable for the petroleum, chemical industry and some environments with strong corrosive media such as acids and alkalis, and is installed in various rotating equipment, reciprocating pumps, valves, etc.

[0003] The existing packing rings have the following problems when in use: being difficult to use, being unable to stack corresponding lengths according to use requirements, causing inconvenience in use, and the inner packing ring cannot be replaced according to use requirements, causing limited use. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides a packing ring which is easy to take out and has the characteristics of being stackable in length, portable and replaceable in inner packing ring.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a packing ring that is easy to access, comprising an outer packing ring, an inner packing ring is arranged inside the outer packing ring, fixing components are arranged on the surfaces of the outer packing ring and the inner packing ring, mounting holes are arranged around the side surface of the outer packing ring, a connecting rod is arranged in the middle of the mounting hole, a fixing seat connected to the connecting rod is arranged on the surface of the inner packing ring, a pin hole is arranged at the lower end of the side of the outer packing ring, a card slot is arranged at the bottom of the outer packing ring, and a limiting component is arranged on the side of the mounting hole.

[0006] Preferably, the fixing assembly includes a block 1, a return spring, a fixing pin and a secondary fixing structure, wherein a block 1 is provided at the upper end of the outer packing ring, a return spring is provided in the grooves around the block 1, a fixing pin is provided on the side of the return spring, and a secondary fixing structure is provided at the upper and lower ends of the inner packing ring.

[0007] Preferably, the secondary fixing structure comprises a second clamping block and a second clamping groove, wherein the second clamping block is provided at the upper end of the inner packing ring, and the second clamping groove is provided at the bottom of the inner packing ring.

[0008] Preferably, the secondary fixing structure includes magnet sheet one and magnet sheet two, wherein magnet sheet one is arranged at the upper end of block two, and magnet sheet two is arranged at the inner upper end of slot two.

[0009] The limiting assembly includes a limiting cover, a connecting rope and a fixing buckle, wherein a fixing buckle is arranged on the side of the mounting hole, a connecting rope is movably connected to the surface of the fixing buckle, and the other end of the connecting rope is connected to the limiting cover.

[0010] Preferably, the position limiting cover is threadably engaged with the inner wall of the mounting hole, and the side of the position limiting cover is rotatably connected to the connecting rope.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model is provided with a fixing assembly, a card block 1 is inserted into a card slot 1, and a fixing pin is always inserted into a pin hole under the elastic force of a reset spring, so that the outer packing ring can be quickly stacked and fixed, a card block 2 is inserted into a card slot 2, and a magnet sheet 1 and a magnet sheet 2 are magnetically adsorbed, so that the inner packing ring can be quickly installed. By stacking and using, different use requirements can be met, and the packing can be used conveniently;

[0013] 2. The utility model is provided with a limit assembly, and inner packing rings of different sizes are placed in the middle of the outer packing ring. The card slot passes through the mounting hole and is inserted into the fixing seat. The limit cover is screwed into the mounting hole to prevent the connecting rod from falling off, thereby ensuring that the inner packing ring is quickly installed and fixed, and is easy to replace and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the fixing assembly of the utility model;

[0016] Figure 3 It is a schematic diagram of the secondary fixing structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0018] In the figure: 1. inner packing ring; 2. fixing assembly; 21. clamping block 1; 22. return spring; 23. fixing pin; 24. secondary fixing structure; 241. clamping block 2; 242. magnet piece 1; 243. clamping slot 2; 244. magnet piece 2; 3. connecting rod; 4. pin hole; 5. outer packing ring; 6. mounting hole; 7. limit assembly; 71. limit cover; 72. connecting rope; 73. fixing buckle; 8. clamping slot 1; 9. fixing seat. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0020] See also Figure 1-4 The utility model provides the following technical solutions: a packing ring that is easy to take, comprising an outer packing ring 5, an inner packing ring 1 is arranged inside the outer packing ring 5, fixing components 2 are arranged on the surfaces of the outer packing ring 5 and the inner packing ring 1, mounting holes 6 are arranged around the side surface of the outer packing ring 5, a connecting rod 3 is arranged in the middle of the mounting hole 6, a fixing seat 9 connected to the connecting rod 3 is arranged on the surface of the inner packing ring 1, a pin hole 4 is arranged at the lower end of the side of the outer packing ring 5, a card slot 8 is arranged at the bottom of the outer packing ring 5, and a limiting component 7 is arranged on the side of the mounting hole 6.

[0021] Specifically, the fixing assembly 2 includes a block 21, a return spring 22, a fixing pin 23 and a secondary fixing structure 24, wherein a block 21 is provided at the upper end of the outer packing ring 5, a return spring 22 is provided in the grooves around the block 21, a fixing pin 23 is provided on the side of the return spring 22, and a secondary fixing structure 24 is provided at the upper and lower ends of the inner packing ring 1.

[0022] By adopting the above technical solution, the clamping block 21 is inserted into the clamping groove 8, and the fixing pin 23 is always inserted into the pin hole 4 under the elastic force of the return spring 22, so that the outer packing ring 5 can be quickly stacked and fixed.

[0023] Specifically, the secondary fixing structure 24 includes a second clamping block 241 and a second clamping groove 243 , wherein the second clamping block 241 is disposed at the upper end of the inner packing ring 1 , and the second clamping groove 243 is disposed at the bottom of the inner packing ring 1 .

[0024] By adopting the above technical solution, the second clamping block 241 is inserted into the second clamping groove 243, so that the inner packing ring 1 can be quickly installed.

[0025] Specifically, the secondary fixing structure 24 includes a first magnet piece 242 and a second magnet piece 244 , wherein the first magnet piece 242 is disposed at the upper end of the second clamping block 241 , and the second magnet piece 244 is disposed at the inner upper end of the second clamping slot 243 .

[0026] By adopting the above technical solution, the magnet piece 1 242 and the magnet piece 244 are magnetically adsorbed to improve the fixing reliability.

[0027] When the present embodiment is used, according to the use requirements, the card block 1 21 is inserted into the card slot 1 8, and the fixing pin 23 is always inserted into the pin hole 4 under the elastic force of the return spring 22, so that the outer packing ring 5 can be quickly stacked and fixed, and the card block 241 is inserted into the card slot 243, and the magnet sheet 1 242 and the magnet sheet 2 244 are magnetically adsorbed, so that the inner packing ring 1 can be quickly installed. By stacking and using, different use requirements can be met, and the use of packing is convenient; Example 2

[0028] The difference between this embodiment and embodiment 1 is that the limiting assembly 7 includes a limiting cover 71, a connecting rope 72 and a fixing buckle 73, wherein a fixing buckle 73 is provided on the side of the mounting hole 6, the surface of the fixing buckle 73 is movably connected with the connecting rope 72, and the other end of the connecting rope 72 is connected to the limiting cover 71.

[0029] By adopting the above technical solution, the inner packing rings 1 of different sizes are placed in the middle of the outer packing ring 5, the slot 8 passes through the mounting hole 6 and is inserted into the fixing seat 9, and the limiting cover 71 is screwed into the mounting hole 6, so that the connecting rod 3 cannot fall off, thereby ensuring that the inner packing ring 1 is quickly installed and fixed, easy to replace and portable, and convenient to use.

[0030] Specifically, the limiting cover 71 is threadedly engaged with the inner wall of the mounting hole 6 , and the side of the limiting cover 71 is rotatably connected to the connecting rope 72 .

[0031] By adopting the above technical solution, it is ensured that the limiting cover 71 is screwed into the mounting hole 6, so that the connecting rod 3 cannot fall off, and the inner packing ring 1 is ensured to be quickly installed and fixed.

[0032] When this embodiment is used, the inner packing rings 1 of different sizes are placed in the middle of the outer packing ring 5, the slot 8 passes through the mounting hole 6 and is inserted into the fixing seat 9, and the limiting cover 71 is screwed into the mounting hole 6 to prevent the connecting rod 3 from falling off, thereby ensuring that the inner packing ring 1 is quickly installed and fixed, easy to replace, and convenient to use.

[0033] The working principle and use process of the utility model: when the utility model is used, according to the use requirements, the block 21 is inserted into the slot 8, and the fixing pin 23 is always inserted into the pin hole 4 under the elastic force of the reset spring 22, so that the outer packing ring 5 can be quickly stacked and fixed, and the block 241 is inserted into the slot 243. The magnet sheet 1 242 and the magnet sheet 2 244 are magnetically adsorbed, so that the inner packing ring 1 can be quickly installed. Through stacking use, different use requirements can be met, and the use of packing is convenient; inner packing rings 1 of different sizes are placed in the middle of the outer packing ring 5, the slot 8 passes through the mounting hole 6 and is inserted into the fixing seat 9, and the limiting cover 71 is screwed into the mounting hole 6, so that the connecting rod 3 cannot fall off, ensuring that the inner packing ring 1 is quickly installed and fixed, and the replacement is portable and convenient to use.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A packing ring that is easy to access, comprising an outer packing ring, characterized in that: An inner packing ring is arranged inside the outer packing ring, and fixing components are arranged on the surfaces of the outer packing ring and the inner packing ring. Mounting holes are arranged around the side surface of the outer packing ring, a connecting rod is arranged in the middle of the mounting hole, and a fixing seat connected to the connecting rod is arranged on the surface of the inner packing ring. A pin hole is arranged at the lower end of the side of the outer packing ring, a card slot is arranged at the bottom of the outer packing ring, and a limiting component is arranged on the side of the mounting hole.

2. A packing ring that is easy to take out according to claim 1, characterized in that: The fixing assembly includes a clamping block 1, a return spring, a fixing pin and a secondary fixing structure, wherein a clamping block 1 is arranged at the upper end of the outer packing ring, a return spring is arranged in the grooves around the clamping block 1, a fixing pin is arranged on the side of the return spring, and a secondary fixing structure is arranged at the upper and lower ends of the inner packing ring.

3. A packing ring that is easy to take out according to claim 2, characterized in that: The secondary fixing structure comprises a second clamping block and a second clamping groove, wherein the second clamping block is arranged at the upper end of the inner packing ring, and the second clamping groove is arranged at the bottom of the inner packing ring.

4. The packing ring that is easy to take out according to claim 3 is characterized in that: The secondary fixing structure includes a first magnet sheet and a second magnet sheet, wherein the first magnet sheet is disposed on the upper end of the second clamping block, and the second magnet sheet is disposed on the inner upper end of the second clamping slot.

5. The packing ring that is easy to take out according to claim 1 is characterized in that: The limiting assembly includes a limiting cover, a connecting rope and a fixing buckle, wherein a fixing buckle is provided on the side of the mounting hole, a connecting rope is movably connected to the surface of the fixing buckle, and the other end of the connecting rope is connected to the limiting cover.

6. The packing ring that is easy to take out according to claim 5, characterized in that: The limiting cover is threadedly engaged with the inner wall of the mounting hole, and the side of the limiting cover is rotatably connected with the connecting rope.

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