CN210859187U - Pump body structure and compressor with same - Google Patents
Pump body structure and compressor with same Download PDFInfo
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- CN210859187U CN210859187U CN201921667815.XU CN201921667815U CN210859187U CN 210859187 U CN210859187 U CN 210859187U CN 201921667815 U CN201921667815 U CN 201921667815U CN 210859187 U CN210859187 U CN 210859187U
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Abstract
The utility model provides a pump body structure and have its compressor relates to compressor technical field, and the impurity that gets into in the cylinder that has solved existence among the prior art can cause the indentation on cylinder, roller surface, can make the dead technical problem of card between cylinder and the roller even. The pump body structure include the ring channel and with the step groove of ring channel looks adaptation, the ring channel is seted up on the flange with cylinder matched with terminal surface, the step groove is seted up in cylinder inner circle inner wall, at pump body structure operation in-process, impurity that gets into in the pump body structure's the assembling process and compressor can get into pump body structure along with gas in operation can pass through the step groove along with pump body structure's operation and enter into the ring channel, and impurity can be stored in the inner space of ring channel, has avoided the impurity that gets into in the cylinder can cause the indentation on cylinder, roller surface, can make the dead condition of card between cylinder and the roller even, is favorable to pump body structure's operation.
Description
Technical Field
The utility model belongs to the technical field of the compressor technique and specifically relates to a pump body structure and have its compressor is related to.
Background
The compressor becomes an indispensable important part in the field of air conditioners, the production and manufacturing technology of the compressor is mature day by day, however, impurities entering in the assembly process of a compressor pump body structure and impurities entering the pump body structure along with gas during operation of the compressor can be accumulated between the inner wall of the cylinder and the outer wall of the roller, and as the minimum clearance between the inner wall of the cylinder and the outer wall of the roller is 0.01-0.015 mm, the impurities extruded in the impurities can cause indentation on the surfaces of the cylinder and the roller and even can cause the cylinder and the roller to be stuck, so that the phenomenon of abnormal operation can be caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pump body structure and have its compressor to the impurity that gets into in the cylinder that exists among the solution prior art can cause the indentation on cylinder, roller surface, can make the dead technical problem of card between cylinder and the roller even.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pump body structure, including flange, cylinder, still include the ring channel and with the step groove of ring channel looks adaptation, the ring channel is seted up in on the flange with cylinder matched with terminal surface, the step groove is seted up in cylinder inner circle inner wall.
Optionally, the inner ring diameter of the annular groove is not smaller than the inner ring diameter of the cylinder.
Optionally, the cross sections of the step groove and the annular groove are both rectangular.
Optionally, the annular groove opens into the lower flange.
Optionally, the diameter of the inner ring of the annular groove is 0.2-0.5 mm larger than that of the inner ring of the cylinder.
Optionally, the diameter of the outer ring of the annular groove is 1-2 mm larger than that of the inner ring of the cylinder.
Optionally, the depth of the annular groove is 2-4 mm.
Optionally, the diameter of the stepped groove is 1-2 mm larger than that of the inner ring of the cylinder.
Optionally, the height of the step groove is 1-1.5 mm.
A compressor comprises the pump body structure.
The utility model provides a pump body structure, including the ring channel and with the step groove of ring channel looks adaptation, the ring channel is seted up on the flange with cylinder matched with terminal surface, the step groove is seted up in cylinder inner circle inner wall, at pump body structure operation in-process, impurity that gets into in the assembly process of pump body structure and compressor can get into the ring channel along with gas along with the operation of pump body structure's impurity meeting along with the step groove along with the operation of pump body structure in, impurity can be stored in the inner space of ring channel, and the impurity of having avoided getting into in the cylinder can cause the indentation on cylinder, roller surface, can make the dead condition of card between cylinder and the roller even, is favorable to pump body structure's operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a partial enlarged view of the annular groove and the step groove of the present invention;
FIG. 2 is a sectional view of a pump body structure to which the present invention is applied;
FIG. 3 is a cross-sectional view of a flange with an annular groove;
FIG. 4 is a cross-sectional view of a cylinder with a stepped groove;
fig. 5 is a sectional view of a conventional pump body structure.
In figure 1, an annular groove; 2. a flange; 3. a cylinder; 4. a step groove; 5. a roller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a pump body structure, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, including flange, cylinder, still include ring channel 1 and with the step groove 4 of 1 looks adaptation of ring channel, ring channel 1 set up on flange 2 with 3 matched with terminal surfaces of cylinder, step groove 4 set up in 3 inner circle inner walls of cylinder.
As shown in fig. 5, in the operation process of the pump body structure, the crankshaft drives the roller 5 to eccentrically rotate along the inner circular side wall of the cylinder 3, and two chambers with constantly changing volumes are formed in the cylinder 3 through the matching between the roller 5 and other parts of the cylinder 3, so that air suction and air compression are realized; in the operation process of the pump body structure, impurities entering the pump body structure during assembly and impurities entering the pump body structure along with gas during operation of a compressor enter between the inner wall of the cylinder 3 and the outer wall of the roller 5 along with the operation of the pump body structure, and the minimum clearance between the inner wall of the cylinder 3 and the outer wall of the roller 5 is only 0.01-0.015 mm, so that indentation on the surface of the roller 5 of the cylinder 3 is easily caused, and even the cylinder 3 and the roller 5 are clamped; the utility model provides a pump body structure, including ring channel 1, ring channel 1 sets up the terminal surface that matches with cylinder 3 on flange 2, makes pump body structure in service can gather impurity in ring channel 1, and foretell impurity can be stored in the inner space of ring channel 1, and the impurity of having avoided getting into in the cylinder 3 can cause the indentation on cylinder 3, roller 5 surface, can make the dead condition of card between cylinder 3 and roller 5 even, is favorable to the operation of pump body structure;
the middle pump body structure of the utility model also comprises a step groove 4 matched with the annular groove 1, the step groove 4 is arranged on the inner wall of the inner ring of the cylinder 3, and impurities can enter the annular groove 1 through the step groove 4; the annular groove 1 is not directly arranged on the end face of the flange 2 matched with the roller 5, so that the vibration problem that the roller 5 is in a partial suspended state in the running process to generate part movement is avoided.
As an alternative embodiment, the diameter of the inner ring of the annular groove 1 is not smaller than the diameter of the inner ring of the cylinder 3.
The inner circle diameter of ring channel 1 is not less than the inner circle diameter of cylinder 3 has structurally guaranteed that ring channel 1 can not overlap with 3 inner chambers of cylinder between, can guarantee that offering of ring channel 1 can not influence roller 5 and rotate.
As an alternative embodiment, the cross sections of the step groove 4 and the annular groove 1 are both rectangular.
As an alternative embodiment, the annular groove 1 opens out at the lower flange 2.
The ring groove 1 of the utility model is arranged on the lower flange 2, which is convenient for the gathering of impurities;
preferably, the quantity of ring channel 1 is 1, and the volume of impurity is less, 1 ring channel 1 enough impurity's collection, and ring channel 1 sets up more, can influence the operation of roller 5, is unfavorable for pump body structure work.
In an alternative embodiment, the diameter of the inner ring of the annular groove 1 is 0.2-0.5 mm larger than that of the inner ring of the cylinder 3.
The inner circle diameter of ring channel 1 is greater than the inner circle diameter 0.2 ~ 0.5mm of cylinder 3, this technical characteristic can make ring channel 1 not contact with moving roller 5, has guaranteed the reliability of pump body structure work.
In an optional embodiment, the diameter of the outer ring of the annular groove 1 is 1-2 mm larger than that of the inner ring of the cylinder 3.
The outer lane diameter of ring channel 1 is greater than 3 inner circles diameters of cylinder 1 ~ 2mm, and can not make 1 width of ring channel too big or undersize influence pump body structure and normally work.
As an alternative embodiment, the depth of the annular groove 1 is 2-4 mm.
The degree of depth of ring channel 1 is 2 ~ 4mm, can effectively store the impurity in the pump body structure, and this degree of depth need not regularly clear up the impurity in the ring channel 1, convenient to use.
In an optional embodiment, the diameter of the stepped groove 4 is 1-2 mm larger than that of the inner ring of the cylinder 3.
As an optional embodiment, the height of the step groove 4 is 1-1.5 mm.
A compressor comprises the pump body structure.
A compressor comprises the pump body structure, and can avoid the problems that impurities entering a cylinder 3 can cause indentation on the surfaces of the cylinder 3 and a roller 5 and even can cause the jamming between the cylinder 3 and the roller 5.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a pump body structure, includes flange, cylinder, its characterized in that: the flange is provided with an inner ring inner wall, the flange is provided with an annular groove, the annular groove is matched with the annular groove, the annular groove is arranged on the flange and is matched with the end face of the cylinder, and the step groove is arranged on the inner ring inner wall of the cylinder.
2. The pump body structure according to claim 1, wherein: the diameter of the inner ring of the annular groove is not smaller than that of the inner ring of the cylinder.
3. The pump body structure according to claim 1, wherein: the cross sections of the step groove and the annular groove are both rectangular.
4. The pump body structure according to claim 1, wherein: the annular groove is formed in the lower flange.
5. The pump body structure according to claim 1, wherein: the diameter of the inner ring of the annular groove is 0.2-0.5 mm larger than that of the inner ring of the cylinder.
6. The pump body structure according to claim 5, wherein: the diameter of the outer ring of the annular groove is 1-2 mm larger than that of the inner ring of the cylinder.
7. The pump body structure according to claim 1, wherein: the depth of the annular groove is 2-4 mm.
8. The pump body structure according to claim 1, wherein: the diameter of the step groove is 1-2 mm larger than that of the inner ring of the cylinder.
9. The pump body structure according to claim 1, wherein: the height of the step groove is 1-1.5 mm.
10. A compressor, characterized by: comprising a pump body structure according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921667815.XU CN210859187U (en) | 2019-09-30 | 2019-09-30 | Pump body structure and compressor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921667815.XU CN210859187U (en) | 2019-09-30 | 2019-09-30 | Pump body structure and compressor with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210859187U true CN210859187U (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921667815.XU Active CN210859187U (en) | 2019-09-30 | 2019-09-30 | Pump body structure and compressor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210859187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552880A (en) * | 2019-09-30 | 2019-12-10 | 郑州凌达压缩机有限公司 | Pump body structure and compressor with same |
-
2019
- 2019-09-30 CN CN201921667815.XU patent/CN210859187U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552880A (en) * | 2019-09-30 | 2019-12-10 | 郑州凌达压缩机有限公司 | Pump body structure and compressor with same |
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