CN209414107U - Head fixing device, compressor and the refrigeration equipment of compressor - Google Patents
Head fixing device, compressor and the refrigeration equipment of compressor Download PDFInfo
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- CN209414107U CN209414107U CN201822079560.7U CN201822079560U CN209414107U CN 209414107 U CN209414107 U CN 209414107U CN 201822079560 U CN201822079560 U CN 201822079560U CN 209414107 U CN209414107 U CN 209414107U
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Abstract
The utility model provides the head fixing device, compressor and refrigeration equipment of a kind of compressor, wherein, the head fixing device of compressor includes: cylinder block and cylinder head, and cylinder head is connect by fastener with cylinder block, and cylinder block has the pilot hole of compression chamber and fixation fastener；Noise reduction cavity is arranged on cylinder block；Communicating passage, setting cylinder block in cylinder head and be connected to pilot hole, noise reduction cavity and compression chamber.The problem that the technical solution of the utility model effectively solves compressor sizes in the prior art is big, weight is big, exhaust resistance is big, low voltage starting ability is weak.
Description
Technical field
The utility model relates to refrigerating field, in particular to a kind of head fixing device of compressor, compressor and
Refrigeration equipment.
Background technique
The characteristics of development of household electrical appliances compressor is increasingly intended to miniaturization, efficient, low noise, for freezer compressor
Low voltage starting Capability Requirement gradually promoted, miniaturization, the starting ability of low-voltage and low noise characteristic have significantly
Market competition advantage and good user experience, after becoming social principal contradiction to the pursuit of good life with people, for
The space of household electrical appliances, energy-saving and noise-reducing are put forward higher requirements, and have the characteristics that above product is also increasingly liked by consumer.
The structure type of full-sealed reciprocating compressor cylinder block and cylinder head is various currently on the market, exists in existing structure
Following limitation and problem: (1) space of a whole page size of the cylinder block overall dimensions of general full-sealed reciprocating compressor and cylinder head
It is larger, cause the valuable consumption of materials such as valve steels obvious, causes the at high cost of compressor, compressor complete machine overall dimensions are larger,
It is unfavorable for the competition of the products such as refrigerator；(2) the exhaust noise silencing chamber exhaust passage on existing cylinder block is long and narrow, and exhaust resistance is big, pressure
The low voltage starting ability of contracting machine is weaker, and there are the risks that difficulty in starting, compressor can not start, and causes compressor can not normal work
Make, causes the serious failure of household electrical appliances using compressor；(3) the exhaust noise silencing chamber in existing cylinder holder structure, because of casting process
It is required that and feature, the casting exhaust noise silencing chamber on cylinder block have structure big, the disadvantages of silencing cavity side thickness, weight is big, simultaneously
Sand cores of castings complex process, sand removal difficulty is big, the disadvantages such as fraction defective height.
Utility model content
The utility model is intended to provide the head fixing device, compressor and refrigeration equipment of a kind of compressor, existing to solve
There is in technology the problem that compressor size is big, weight is big, exhaust resistance is big, low voltage starting ability is weak.
To achieve the goals above, one aspect according to the present utility model, the head for providing a kind of compressor are fixed
Device, comprising: cylinder block and cylinder head, cylinder head are connect by fastener with cylinder block, and cylinder block has compression chamber and fixation
The pilot hole of fastener；Noise reduction cavity is arranged on cylinder block；Communicating passage, setting cylinder block in cylinder head and be connected to dress
Distribution, noise reduction cavity and compression chamber.
Further, communicating passage includes the first Connectivity Section, the second Connectivity Section and third connecting section, the setting of the first Connectivity Section
To be connected to the outlet of compression chamber and the entrance of pilot hole in cylinder head, the second Connectivity Section is arranged on cylinder block to be connected to assembly
Hole and noise reduction cavity, third connecting section are arranged in pilot hole to be connected to the first Connectivity Section and the second Connectivity Section.
Further, pilot hole includes fixed part and interconnecting part, and fixed part is with appended claims so that cylinder head is connected to
On cylinder block, have gap to form third connecting section between interconnecting part and fastener.
Further, fastener is screw, and external screw thread is provided on screw, and fixed part is interior spiral shell compatible with external screw thread
Line, interconnecting part are unthreaded hole, and the gap between unthreaded hole and screw forms third connecting section.
Further, the head fixing device of compressor further includes valve block and valve plate, and valve block is arranged in cylinder block and cylinder
Between lid, valve plate is arranged between valve block and cylinder head, is provided with air inlet on valve plate, and valve block includes substrate and the first elastic slice,
The root of first elastic slice is disposed on the substrate, and the end of the first elastic slice is movably disposed in position corresponding with air inlet
On.
Further, it is provided with first row port on valve block, second exhaust port is provided on valve plate, second exhaust port passes through
First row port is connected to compression chamber.
Further, the root of the first elastic slice is arranged in first row port, and second exhaust port is arranged in valve plate and first row
On the corresponding position of port.
Further, valve block further includes the second elastic slice, and relief portion is additionally provided on valve plate, and relief portion is connected to the first Connectivity Section
It is corresponding with relief portion with the position of third connecting section, the second elastic slice.
Further, noise reduction cavity has interval setting inlet and outlet to form silencing cavity, import and the second Connectivity Section phase
Even, outlet is connected with upstream device.
Further, noise reduction cavity only has an opening to form resonant cavity, and opening is connected with the second Connectivity Section.
Further, the axis co-planar of the axis of compression chamber, the axis of pilot hole and communicating passage.
Another aspect according to the present utility model provides a kind of compressor, the head fixing device including compressor, head
The fixed device in portion is the head fixing device of above-mentioned compressor.
Another aspect according to the present utility model, provides a kind of refrigeration equipment, including compressor, and compressor is above-mentioned
Compressor.
Using the technical solution of the utility model, noise reduction cavity is arranged on cylinder block, communicating passage setting in cylinder block and
Noise reduction is realized in cylinder head compressed gas is directed into noise reduction cavity.It is connected to the communicating passage of noise reduction cavity and compression chamber and fixes tight
The pilot hole of firmware is integrated, and keeps the head fixing device of compressor compact-sized, for the head fixing device for reducing compressor
Volume and shortening exhaust passage length, reduction pressure at expulsion provide possibility.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 shows the decomposition texture signal of the embodiment one of the head fixing device of compressor according to the present utility model
Figure；
Fig. 2 shows structural schematic diagram of the cylinder head of the head fixing device of the compressor of Fig. 1 under another visual angle；
Fig. 3 shows the structural schematic diagram of the valve plate of the head fixing device of the compressor of Fig. 1；
Fig. 4 shows the structural schematic diagram of the valve block of the head fixing device of the compressor of Fig. 1；And
Fig. 5 shows the decomposition texture signal of the embodiment two of the head fixing device of compressor according to the present utility model
Figure.
Wherein, the above drawings include the following reference numerals:
10, cylinder block；11, compression chamber；12, pilot hole；121, interconnecting part；122, fixed part；20, cylinder head；21, it covers
Body；22, coordinate breach；23, fuisw rib；24, pilot hole；25, pilot hole；31, the first Connectivity Section；32, the second Connectivity Section；40,
Fastener；50, valve plate；51, air inlet；52, second exhaust port；53, matrix；54, pilot hole；55, pilot hole；56, relief portion；
60, valve block；61, substrate；62, the first elastic slice；63, first row port；64, pilot hole；65, pilot hole；66, the second elastic slice；70,
Noise reduction cavity.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the head fixing device of the compressor of the present embodiment includes cylinder block 10, cylinder head 20, noise reduction cavity
70 and communicating passage.Cylinder head 20 is connect by fastener 40 with cylinder block 10, and cylinder block 10 has compression chamber 11 and fixes tight
The pilot hole 12 of firmware 40.Noise reduction cavity 70 is arranged on cylinder block 10, and communicating passage is arranged in cylinder block 10 and cylinder head 20
And it is connected to pilot hole 12, noise reduction cavity 70 and compression chamber 11.
Using the technical solution of the present embodiment, noise reduction cavity 70 is arranged on cylinder block 10, and communicating passage is arranged in cylinder block
10 and cylinder head 20 in by compressed gas be directed into noise reduction cavity 70 realize noise reduction.Connection noise reduction cavity 70 is connected to compression chamber 11
The integration of the pilot hole 12 of channel and fixation fastener, keeps the head fixing device of compressor compact-sized, to reduce compressor
Volume and shortening exhaust passage length, the reduction pressure at expulsion of head fixing device provide possibility.
Specifically, as shown in Figure 1, since a part of space is integrated and shared to communicating passage and pilot hole 12, this reality
Apply example cylinder block 10 can only in the two sides of compression chamber 11, setting fastener 40 can be achieved with assembly with cylinder head 20, i.e., only
Cylinder block 10 and cylinder head 20 are connected and fixed with two fasteners 40.Make the axis of compression chamber 11, the axis of pilot hole 12 and
The axis of communicating passage is substantially at same plane, makes the head fixing device relative flat of compressor, reduces size, saves sky
Between.Compared with the mode of traditional 4 fasteners in rectangular layout around compression chamber 11, the head of the compressor of the present embodiment
Fixed device saves a large amount of material, also mitigates a large amount of weight.Also, since volume reduces, generated in casting residual
The probability of substandard products can also be declined.Simultaneously as communicating passage and pilot hole 12 are integrated, gas is from compression chamber 11 to noise reduction cavity
70 path distance has obtained shortening significantly, alleviates exhaust resistance, makes compressor can be smooth under low pressure operating condition
Start and gas is arranged into downstream equipment.The technical solution of the present embodiment can solve compressor size in the prior art simultaneously
Greatly, the problem that weight is big, exhaust resistance is big, low voltage starting ability is weak
As depicted in figs. 1 and 2, the communicating passage of the present embodiment includes the first Connectivity Section 31, the second Connectivity Section 32 and third
Connectivity Section, the gas direction that arrow indicates along Fig. 1 after the outflow of compression chamber 11 flow to noise reduction cavity 70.Wherein, cylinder head 20 is wrapped
Include lid 21, coordinate breach 22, fuisw rib 23, pilot hole 24 and pilot hole 25.Wherein, fastener 40 passes through 24 He of pilot hole
Pilot hole 25 is connected and fixed cylinder block 10 and cylinder head 20, and coordinate breach 22 is corresponding with compression chamber 11, fuisw rib 23 and lid 21
Between form the first Connectivity Section 31, the first Connectivity Section 31 is arranged in cylinder head 20 with the outlet for being connected to compression chamber 11 and pilot hole
12 entrance, the second Connectivity Section 32 are arranged on cylinder block 10 to be connected to pilot hole 12 and noise reduction cavity 70, the setting of third connecting section
To be connected to the first Connectivity Section 31 and the second Connectivity Section 32 in pilot hole 12.
Specifically, as shown in Figure 1, the pilot hole 12 of the present embodiment includes fixed part 122 and interconnecting part 121, fixed part 122
Cooperate with fastener 40 so that cylinder head 20 is connected on cylinder block 10, have between interconnecting part 121 and fastener 40 gap with
Form third connecting section.The head fixing device of the compressor of the present embodiment makes full use of in the middle part of fastener between pilot hole
Space is connected to the first Connectivity Section 31 and the second Connectivity Section 32, and realization compression chamber is connected to noise reduction cavity.
Further, the fastener 40 of the present embodiment is screw, is provided with external screw thread on screw.Fixed part 122 be with it is outer
The compatible internal screw thread of screw thread.Interconnecting part 121 is unthreaded hole, and the diameter of unthreaded hole is greater than externally threaded outer diameter.Third connecting Duan Weiguang
Annular gap between hole and screw.In other embodiments not shown in the figure, the diameter of unthreaded hole can also be with external screw thread
Quite or it is slightly larger than major diameter of external thread, to form spiral helicine gap.Screw position corresponding with unthreaded hole be also possible to polished rod with
It forms annular gap or other forms is connected to the first Connectivity Section and the second Connectivity Section in pilot hole.
As shown in Figure 3 and Figure 4, the head fixing device of compressor further includes valve block 60 and valve plate 50, and fastener 40 is distinguished
Across pilot hole 24, pilot hole 54 and pilot hole 64 and pilot hole 25, pilot hole 55, pilot hole 65 the setting of valve block 60 to exist
Between cylinder block 10 and cylinder head 20, valve plate 50 is arranged between valve block 60 and cylinder head 20.Valve plate 50 includes 53 He of matrix
Setting is provided with air inlet 51 on matrix 53, and valve block 60 includes substrate 61 and the first elastic slice 62, and the root of the first elastic slice 62 is set
It sets on substrate 61, the end of the first elastic slice 62 is movably disposed on position corresponding with air inlet 51.In compressor
Head fixing device assembly complete in the case where, compression chamber 11, the first elastic slice 62, air inlet 51 and coordinate breach 22, mutually
Corresponding, when 11 air-breathing of compression chamber, the first elastic slice 62 leaves air inlet 51 under gas pressure, and gas enters compression chamber 11.One side
Face, the first elastic slice 62 makes gas compression chamber 11 will not be discharged from air inlet 51 as check valve, on the other hand, in intake process
In, gas pushes the acting of the first elastic slice 62 open, consumes part energy, can play the role of noise reduction.
As shown in Figure 3 and Figure 4, it is additionally provided with first row port 63 on valve block 60, is additionally provided with second exhaust on valve plate 50
The root of the first elastic slice 62 is arranged in mouth 52, first row port 63, and second exhaust port 52 is arranged in valve plate 50 and first row port
On 63 corresponding positions.When compression chamber 11 is vented, gas successively passes through first row port 63, second exhaust port 52 flows to the first company
Logical section 31.
As shown in Figure 3 and Figure 4, valve block 60 further includes the second elastic slice 66, is additionally provided with relief portion 56, relief portion on valve plate 50
56 the first Connectivity Sections 31 of connection and third connecting section, the position of the second elastic slice 66 are corresponding with relief portion 56.With the first elastic slice 62
Function it is identical, the second elastic slice 66 also function to limitation gas flow direction and consume energy effect, further reduced compression
The noise of machine.
As shown in Figure 1, the noise reduction cavity 70 of the side of the cylinder block 10 of the present embodiment have interval setting inlet and outlet with
Form silencing cavity.Its import is connected with the second Connectivity Section 32, and outlet is connected with upstream device, allows gas to enough pass through silencing cavity
Into upstream device.The side of silencing cavity is arranged in second elastic slice 66 and relief portion 56.The noise reduction cavity 70 of the other side only has one
A opening is to form resonant cavity.Its opening is connected with the second Connectivity Section, and gas passes in and out resonant cavity by the opening.Silencing cavity and altogether
The chamber that shakes can realize noise reduction for the noise of different frequency range.
The noise reduction cavity 70 of the head fixing device two sides of the compressor of embodiment two is silencing cavity, as shown in figure 5, implementing
The noise reduction cavity 70 of example two all has interval setting inlet and outlet, and gas can enter upstream device by noise reduction cavity 70.And
Valve block 60 and valve plate 50 are provided with the second elastic slice 66 and relief portion 56.
Present invention also provides a kind of compressors, include pressure according to the embodiment (not shown) of the compressor of the application
The head fixing device of contracting machine, the head fixing device of the compressor are all or part of technology knot comprising the various embodiments described above
The head fixing device of structure.The compressor of the application have the advantages that it is compact-sized, light-weight, adapt to low pressure operating condition starting.
Present invention also provides a kind of refrigeration equipments, according to the embodiment (not shown) packet of the refrigeration equipment of the application
Compressor is included, which is the compressor of all or part of technical pattern comprising the various embodiments described above.The refrigeration of the application
Equipment have the advantages that it is compact-sized, light-weight, adapt to low pressure operating condition starting.
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
Noise reduction cavity is arranged on cylinder block, and communicating passage is arranged in cylinder block and cylinder head so that compressed gas to be directed into
Noise reduction cavity realizes noise reduction.The pilot hole of the communicating passage and fixation fastener that are connected to noise reduction cavity and compression chamber is integrated, and compressor is made
Head fixing device it is compact-sized, for reduce compressor head fixing device volume and shorten exhaust passage length,
It reduces pressure at expulsion and provides possibility.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (13)
1. a kind of head fixing device of compressor characterized by comprising
Cylinder block (10) and cylinder head (20), the cylinder head (20) are connect by fastener (40) with the cylinder block (10),
The cylinder block (10) has the pilot hole (12) of compression chamber (11) and the fixed fastener (40)；
Noise reduction cavity (70) is arranged on the cylinder block (10)；
Communicating passage, setting the cylinder block (10) in the cylinder head (20) and be connected to the pilot hole (12), described
Noise reduction cavity (70) and the compression chamber (11).
2. the head fixing device of compressor according to claim 1, which is characterized in that the communicating passage includes first
Connectivity Section, the second Connectivity Section and third connecting section, first Connectivity Section are arranged on the cylinder head (20) described in connection
The outlet of compression chamber (11) and the entrance of the pilot hole (12), second Connectivity Section be arranged on the cylinder block (10) with
It is connected to the pilot hole (12) and the noise reduction cavity (70), the third connecting section is arranged in the pilot hole (12) with connection
First Connectivity Section and second Connectivity Section.
3. the head fixing device of compressor according to claim 2, which is characterized in that the pilot hole (12) includes solid
Determine portion (122) and interconnecting part (121), the fixed part (122) and the fastener (40) cooperate so that the cylinder head (20)
It is connected on the cylinder block (10), it is described to be formed to have gap between the interconnecting part (121) and the fastener (40)
Third connecting section.
4. the head fixing device of compressor according to claim 3, which is characterized in that the fastener (40) is spiral shell
It follows closely, external screw thread is provided on the screw, the fixed part (122) is internal screw thread compatible with the external screw thread, the company
Logical portion (121) are unthreaded hole, and the gap between the unthreaded hole and the screw forms the third connecting section.
5. the head fixing device of compressor according to claim 2, which is characterized in that the head of the compressor is fixed
Device further includes valve block (60) and valve plate (50), and the valve block (60) is arranged in the cylinder block (10) and the cylinder head (20)
Between, the valve plate (50) is arranged between the valve block (60) and the cylinder head (20), is provided on the valve plate (50)
Air inlet (51), the valve block (60) include substrate (61) and the first elastic slice (62), the root setting of first elastic slice (62)
On the substrate (61), the end of first elastic slice (62) is movably disposed in corresponding with the air inlet (51)
On position.
6. the head fixing device of compressor according to claim 5, which is characterized in that be provided on the valve block (60)
First row port (63) is provided with second exhaust port (52) on the valve plate (50), and the second exhaust port (52) passes through described
First row port (63) is connected to the compression chamber (11).
7. the head fixing device of compressor according to claim 6, which is characterized in that the first row port (63) sets
It sets in the root of first elastic slice (62), the second exhaust port (52) is arranged in the valve plate (50) and the first exhaust
On the corresponding position of mouth (63).
8. the head fixing device of compressor according to claim 5, which is characterized in that the valve block (60) further includes
Two elastic slices (66) are additionally provided with relief portion (56) on the valve plate (50), and the relief portion (56) is connected to first Connectivity Section
It is corresponding with the relief portion (56) with the position of third connecting section, second elastic slice (66).
9. the head fixing device of compressor according to claim 2, which is characterized in that between the noise reduction cavity (70) has
Every setting inlet and outlet to form silencing cavity, the import is connected with second Connectivity Section, the outlet and upstream device
It is connected.
10. the head fixing device of compressor according to claim 2, which is characterized in that the noise reduction cavity (70) only has
There is an opening to form resonant cavity, the opening is connected with second Connectivity Section.
11. the head fixing device of compressor according to claim 1, which is characterized in that the axis of the compression chamber (11)
The axis co-planar of line, the axis of the pilot hole (12) and the communicating passage.
12. a kind of compressor, the head fixing device including compressor, which is characterized in that the head fixing device is right
It is required that the head fixing device of any one of 1 to 11 compressor.
13. a kind of refrigeration equipment, including compressor, which is characterized in that the compressor is the compressor of claim 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822079560.7U CN209414107U (en) | 2018-12-11 | 2018-12-11 | Head fixing device, compressor and the refrigeration equipment of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822079560.7U CN209414107U (en) | 2018-12-11 | 2018-12-11 | Head fixing device, compressor and the refrigeration equipment of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209414107U true CN209414107U (en) | 2019-09-20 |
Family
ID=67937717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822079560.7U Active CN209414107U (en) | 2018-12-11 | 2018-12-11 | Head fixing device, compressor and the refrigeration equipment of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209414107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653994A (en) * | 2018-12-11 | 2019-04-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Head fixing device, compressor and the refrigeration equipment of compressor |
-
2018
- 2018-12-11 CN CN201822079560.7U patent/CN209414107U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653994A (en) * | 2018-12-11 | 2019-04-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Head fixing device, compressor and the refrigeration equipment of compressor |
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