CN216867262U - Piston nut anti-loosening structure of reciprocating compressor - Google Patents
Piston nut anti-loosening structure of reciprocating compressor Download PDFInfo
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- CN216867262U CN216867262U CN202220313879.5U CN202220313879U CN216867262U CN 216867262 U CN216867262 U CN 216867262U CN 202220313879 U CN202220313879 U CN 202220313879U CN 216867262 U CN216867262 U CN 216867262U
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Abstract
The utility model discloses a piston nut anti-loose structure of a reciprocating compressor, which comprises a piston rod assembly and a piston assembly arranged on the piston rod assembly; the piston rod assembly comprises a rod body, a connector is fixedly connected with one end of the rod body, a clamping ring is connected with the other end of the rod body, an installation rod is fixedly connected with one end of the clamping ring away from the rod body, an installation bolt is fixedly connected with one end of the installation rod away from the clamping ring, an installation nut matched with the installation bolt is in threaded connection with the installation bolt, the piston assembly comprises a piston body sleeved on the installation rod, and an installation channel matched with the installation rod is formed in the piston body. The piston rod assembly and the piston assembly are matched with each other, so that the piston nut anti-loose structure of the reciprocating compressor is realized, and the advantages of convenience in installation, lower cost, stable performance and the like are realized, and the problem that a more expensive piston rod and a more expensive piston nut cannot be damaged when the piston component is disassembled for many times is thoroughly solved.
Description
Technical Field
The utility model relates to the technical field of reciprocating compressors, in particular to a piston nut anti-loosening structure of a reciprocating compressor.
Background
The reciprocating compressor is a compressor which periodically changes the volume of a cylinder body through the reciprocating motion of a piston or a diaphragm in a cylinder and realizes the pressurization and the delivery of gas. Belongs to a volume type compressor. The reciprocating members are classified into piston type and diaphragm type compressors, and many characteristics of the piston type compressors are determined by the design principle. For example, there are many moving parts, such as air inlet valves, exhaust valves, pistons, piston rings, connecting rods, crankshafts, bearing bushes, etc.; for example, the stress is unbalanced, and the reciprocating inertia force cannot be controlled; for example, multi-stage compression is needed, and the structure is complex; further, for example, due to the reciprocating motion, the compressed air is not continuously discharged, has pulsation, or the like.
Along with the development of reciprocating compressors for many years, in the design of piston components, most different anti-loosening modes are provided, wherein a threaded hole is tapped at the junction of a piston rod and a piston nut thread in a piston unit with small thrust, and the stud positioning pin is assembled for loosening prevention.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides the piston nut anti-loosening structure of the reciprocating compressor, which has the advantages of convenience in installation, lower cost, stable performance and the like, and thoroughly solves the problem that a more expensive piston rod and a piston nut cannot be damaged when a piston part is disassembled for many times.
In order to achieve the purpose, the utility model provides the following technical scheme:
a piston nut looseness prevention structure of a reciprocating compressor, comprising:
a piston rod assembly and a piston assembly mounted on the piston rod assembly;
the piston rod assembly comprises a rod body, one end of the rod body is fixedly connected with a connector, the other end of the rod body is fixedly connected with a connecting clamp ring, one end, far away from the rod body, of the clamp ring is fixedly connected with an installation rod, one end, far away from the clamp ring, of the installation rod is fixedly connected with an installation bolt, and an installation nut matched with the installation bolt is in threaded connection with the installation bolt;
the piston assembly comprises a piston body sleeved on the mounting rod, a mounting channel matched with the mounting rod is formed in the piston body, a clamping groove communicated with the mounting channel is formed in one side of the piston body, a containing groove communicated with the mounting channel is formed in the other side of the piston body, and an anti-loosening flanging is formed in the edge of the containing groove;
by adopting the technical scheme, the piston rod disassembling device has the advantages of convenience in installation, lower cost, stable performance and the like, and thoroughly solves the problem that the expensive piston rod and piston nut cannot be damaged when the piston component is disassembled for many times.
Preferably, one end of the mounting rod, which is close to the connecting snap ring, is fixedly connected with a first limiting ring, and a first limiting groove matched with the first limiting ring is formed in the position, which corresponds to the first limiting ring, on the piston body.
Preferably, one end of the mounting rod close to the mounting bolt is fixedly connected with a second limiting ring, and a second limiting groove matched with the second limiting ring is formed in the position, corresponding to the second limiting ring, on the piston body.
Through adopting above-mentioned technical scheme, play limiting displacement to the body of rod, increased the stability that the body of rod is connected with the piston body.
Preferably, a piston ring is fixedly connected to the piston body.
Preferably, a support ring is fixedly connected to the surface of the piston body and positioned on both sides of the piston ring.
Through adopting above-mentioned technical scheme, play the parcel guard action to the piston body, increased the life of piston body.
Preferably, the inner wall of the clamping groove is fixedly connected with a first cushion block.
Preferably, the inner wall of the accommodating groove is fixedly connected with a second cushion block.
Through adopting above-mentioned technical scheme, play the guard action to connecting snap ring and mounting nut, increased the durability in piston rod assembly and the piston assembly use.
Compared with the prior art, the utility model has the following beneficial effects:
the piston rod assembly and the piston assembly are matched with each other, so that the piston nut anti-loose structure of the reciprocating compressor is realized, and the advantages of convenience in installation, lower cost, stable performance and the like are realized, and the problem that a more expensive piston rod and a more expensive piston nut cannot be damaged when the piston component is disassembled for many times is thoroughly solved.
Drawings
FIG. 1 is a schematic structural view of a piston nut anti-loosening structure of a reciprocating compressor according to the present invention;
FIG. 2 is a schematic structural view of a piston rod assembly in the anti-loosening structure of the piston nut of the reciprocating compressor according to the present invention;
fig. 3 is a schematic structural view of a piston assembly in the piston nut anti-loose structure of the reciprocating compressor of the present invention.
In the figure: 1. a piston rod assembly; 2. a piston assembly;
101. a rod body; 102. a snap ring; 103. mounting a rod; 104. installing a bolt; 105. mounting a nut;
201. a piston body; 202. installing a channel; 203. a card slot; 204. a containing groove; 205. anti-loosening flanging;
1011. a first spacing collar; 10111. a first limit groove; 1012. a second limit ring; 10121. a second limit groove;
2011. a piston ring; 2012. a support ring; 2031. a first cushion block; 2041. and a second head block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, a piston nut looseness prevention structure of a reciprocating compressor includes:
a piston rod assembly 1 and a piston assembly 2 mounted on the piston rod assembly 1;
the piston rod assembly 1 comprises a rod body 101, one end of the rod body 101 is fixedly connected with a connector, the other end of the rod body 101 is fixedly connected with a connecting clamp ring 102, one end, far away from the rod body 101, of the clamp ring 102 is fixedly connected with an installation rod 103, one end, far away from the clamp ring 102, of the installation rod 103 is fixedly connected with an installation bolt 104, and an installation nut 105 matched with the installation bolt 104 is in threaded connection with the installation bolt 104;
the piston assembly 2 includes a piston body 201 sleeved on the mounting rod 103, the piston body 201 is provided with a mounting channel 202 adapted to the mounting rod 103, one side of the piston body 201 is provided with a clamping groove 203 communicated with the mounting channel 202, the other side of the piston body 201 is provided with a receiving groove 204 communicated with the mounting channel 202, and an edge of the receiving groove 204 is provided with a locking flange 205.
By adopting the technical scheme, the piston rod disassembling device has the advantages of convenience in installation, lower cost, stable performance and the like, and thoroughly solves the problem that the expensive piston rod and piston nut cannot be damaged when the piston component is disassembled for many times.
As shown in fig. 1-3, a first position-limiting ring 1011 is fixedly connected to one end of the mounting rod 103 close to the connecting clamp ring 102, a first position-limiting groove 10111 matched with the first position-limiting ring 1011 is formed in a position on the piston body 201 corresponding to the first position-limiting ring 1011, a second position-limiting groove 10121 matched with the second position-limiting ring 1012 is fixedly connected to one end of the mounting rod 103 close to the mounting bolt 104, and a position on the piston body 201 corresponding to the second position-limiting ring 1012 is provided with a second position-limiting groove 10121 matched with the second position-limiting ring 1012.
Through adopting above-mentioned technical scheme, play limiting displacement to body of rod 101, increased the stability that body of rod 101 and piston body 201 are connected.
As shown in fig. 1 to 3, a piston ring 2011 is fixedly connected to the piston body 201, and support rings 2012 are fixedly connected to the surface of the piston body 201 and located on both sides of the piston ring 2011.
Through adopting above-mentioned technical scheme, play the parcel guard action to piston body 201, increased piston body 201's life.
As shown in fig. 1 to 3, a first pad 2031 is fixedly connected to an inner wall of the slot 203, and a second pad 2041 is fixedly connected to an inner wall of the receiving groove 204.
By adopting the technical scheme, the connecting clamping ring 102 and the mounting nut 105 are protected, and the durability of the piston rod assembly 1 and the piston assembly 2 in the using process is improved.
In summary, the following steps: the piston nut anti-loose structure of the reciprocating compressor is composed of a piston rod assembly 1 and a piston assembly 2, and solves the problems mentioned in the background technology.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A piston nut anti-loosening structure of a reciprocating compressor is characterized by comprising:
a piston rod assembly (1) and a piston assembly (2) mounted on the piston rod assembly (1);
the piston rod assembly (1) comprises a rod body (101), one end of the rod body (101) is fixedly connected with a connector, the other end of the rod body (101) is fixedly connected with a connecting clamp ring (102), one end, far away from the rod body (101), of the clamp ring (102) is fixedly connected with an installation rod (103), one end, far away from the clamp ring (102), of the installation rod (103) is fixedly connected with an installation bolt (104), and the installation bolt (104) is in threaded connection with an installation nut (105) matched with the installation bolt (104);
the piston assembly (2) comprises a piston body (201) sleeved on the mounting rod (103), a mounting channel (202) matched with the mounting rod (103) is formed in the piston body (201), a clamping groove (203) communicated with the mounting channel (202) is formed in one side of the piston body (201), an accommodating groove (204) communicated with the mounting channel (202) is formed in the other side of the piston body (201), and an anti-loosening flanging (205) is formed in the edge of the accommodating groove (204).
2. The piston nut looseness prevention structure of a reciprocating compressor according to claim 1, wherein: one end, close to the connecting clamping ring (102), of the mounting rod (103) is fixedly connected with a first limiting ring (1011), and a first limiting groove (10111) matched with the first limiting ring (1011) is formed in the position, corresponding to the first limiting ring (1011), on the piston body (201).
3. The piston nut looseness prevention structure of a reciprocating compressor according to claim 2, wherein: one end, close to the mounting bolt (104), of the mounting rod (103) is fixedly connected with a second limiting ring (1012), and a second limiting groove (10121) matched with the second limiting ring (1012) is formed in the position, corresponding to the second limiting ring (1012), on the piston body (201).
4. The piston nut looseness prevention structure of a reciprocating compressor according to claim 3, wherein: and a piston ring (2011) is fixedly connected to the piston body (201).
5. The piston nut looseness prevention structure of a reciprocating compressor according to claim 4, wherein: the surface of the piston body (201) is located on two sides of the piston ring (2011) and is fixedly connected with a support ring (2012).
6. The piston nut looseness prevention structure of a reciprocating compressor according to claim 5, wherein: and a first cushion block (2031) is fixedly connected to the inner wall of the clamping groove (203).
7. The piston nut looseness prevention structure of a reciprocating compressor according to claim 6, wherein: the inner wall of the accommodating groove (204) is fixedly connected with a second cushion block (2041).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220313879.5U CN216867262U (en) | 2022-02-16 | 2022-02-16 | Piston nut anti-loosening structure of reciprocating compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220313879.5U CN216867262U (en) | 2022-02-16 | 2022-02-16 | Piston nut anti-loosening structure of reciprocating compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216867262U true CN216867262U (en) | 2022-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220313879.5U Active CN216867262U (en) | 2022-02-16 | 2022-02-16 | Piston nut anti-loosening structure of reciprocating compressor |
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| Country | Link |
|---|---|
| CN (1) | CN216867262U (en) |
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2022
- 2022-02-16 CN CN202220313879.5U patent/CN216867262U/en active Active
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