A pump head structure using strip valve plate
By using bar valve plates in the pump head structure and fixing their position with fixed blocks, the problem of difficult to increase the flow rate of the traditional pump head structure and easy deformation of the valve plate is solved, and the effect of increasing the flow rate of the pump head in a limited space and extending the service life of the valve plate is achieved.
Patent Information
- Application Number
- CN202421614375.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-09
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-07-09
AI Technical Summary
Due to the limited design space and limited size of the valve plate, the flow rate of the pump head is difficult to increase. The valve plate is prone to deformation such as middle depressions under high pressure, which affects the anti-rewind function and service life.
The pump head structure of a bar valve plate is adopted, wherein a fixed block is provided in the middle of the bar valve plate, and the fixed block is adapted and fixed to the fixed hole, so that the bar valve plate can respectively close the air holes on both sides of the fixed hole, thereby controlling the gas flow of at least two air holes and increasing the effective aperture and flow rate.
Increase the pump head flow in a limited space, increase the pressure that the valve plate can withstand, extend the service life of the valve plate, and ensure the fluid control effect.
Smart Images
Figure CN222717056U_ABST
Abstract
Description
[Technical field]
[0001] The utility model relates to the technical field of pumps, in particular to a pump head structure using a strip valve sheet. [Background technology]
[0002] The pump head valve is an important part of the pump. Its main function is to control the flow of the fluid and prevent the fluid from flowing back during the suction and discharge process of the pump. The aperture of the pore is usually positively correlated with the flow rate of the pump head. When the aperture of a single pore is large, the pressure on the valve plate is large, which makes it easy to deform such as the middle depression, thereby affecting the anti-backflow function of the valve plate and reducing the service life of the valve plate. Therefore, the traditional pump head structure has limited design space, and the size of the valve plate is also limited accordingly, which makes it difficult to increase the flow rate of the pump head.
[0003] In view of this, it is necessary to provide a pump head structure using a strip-shaped valve plate to overcome the above-mentioned defects. [Utility Model Content]
[0004] The purpose of the utility model is to provide a pump head structure using a strip valve plate, aiming to improve the problem that the flow rate of the existing pump head structure is difficult to increase, and can increase the effective aperture, thereby increasing the pump head flow rate in a limited space, and the valve plate can also withstand greater pressure.
[0005] In order to achieve the above-mentioned object, the utility model provides a pump head structure using a strip valve sheet, comprising a pump seat and a strip valve sheet arranged on the pump seat;
[0006] The pump seat is provided with a fixing hole and at least two air holes respectively arranged on both sides of the fixing hole;
[0007] A fixing block is provided in the middle of the strip valve sheet, and the fixing block is used to fit and fix with the fixing hole, so that the parts of the strip valve sheet located on both sides of the fixing block can unidirectionally close the air holes located on both sides of the fixing hole respectively.
[0008] In a preferred embodiment, the pump seat is further provided with a limiting groove corresponding to each fixing hole, and the fixing hole and the corresponding air hole are both provided at the bottom of the corresponding limiting groove; the strip valve sheet is accommodated in the limiting groove.
[0009] In a preferred embodiment, the height of the limiting groove is consistent with the thickness of the strip-shaped valve sheet.
[0010] In a preferred embodiment, the fixing hole extends outward from a side away from the strip valve sheet to form a slot, and the cross-sectional area of the slot is larger than the cross-sectional area of the fixing hole; the fixing block extends outward from a side away from the strip valve sheet to form a block adapted to the slot, and the block is used to cooperate with the slot to prevent the strip valve sheet from detaching from the pump seat.
[0011] In a preferred embodiment, the fixing block forms a trapezoidal guide block on one side close to the strip valve sheet; the fixing hole extends outward on one side close to the strip valve sheet to form a guide groove adapted to the guide block; the surface of the guide block is tightly fitted with the surface of the guide groove.
[0012] In a preferred embodiment, the cross section of the fixing hole is rectangular, and the strip-shaped valve sheet is rectangular.
[0013] In a preferred embodiment, the pump seat includes a first pump block and a second pump block connected to each other; the first pump block is provided with a first chamber and a second chamber respectively connected to the outside; the number of the strip valve sheets and the corresponding fixing holes is two, and the two strip valve sheets control the unidirectional flow of the airflow in opposite directions; the two fixing holes are both provided on the second pump block, and the air holes corresponding to the two fixing holes are respectively connected to the first chamber and the second chamber.
[0014] The utility model provides a pump head structure using a strip valve plate. By adopting a strip valve plate and fixing the middle part of the strip valve plate on the pump seat through a fixing block, parts on both sides of the strip valve plate can respectively close the air holes on both sides of the fixing hole, that is, one strip valve plate can control the gas flow of at least two air holes, thereby increasing the total effective aperture of the air holes in the pump head in quantity and correspondingly increasing the flow rate of the pump head; at the same time, the aperture of each air hole is small, thereby preventing the two sides of the strip valve plate from being easily concave and deformed, thereby ensuring the fluid control effect of the strip valve plate; by dispersing the force-bearing area of the strip valve plate, the entire strip valve plate can withstand greater pressure, thereby increasing the service life of the strip valve plate.
Brief Description of the Drawings
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0016] Figure 1 A three-dimensional diagram of a pump head structure using a strip-shaped valve sheet provided by the utility model;
[0017] Figure 2 for Figure 1 A three-dimensional exploded view of a pump head structure using a strip-shaped valve plate;
[0018] Figure 3 for Figure 2 The figure shows a three-dimensional exploded view of the local structure of a pump head structure using a strip-shaped valve plate.
[0019] Reference numeral 100 in the figure, a pump head structure using a strip valve sheet;
[0020] 10. Pump seat; 101. Fixing hole; 102. Air hole; 103. Limiting groove; 104. Clamping groove; 105. Guide groove; 11. First pump block; 111. First chamber; 112. Second chamber; 12. Second pump block;
[0021] 20. Strip valve plate; 21. Fixed block; 22. Control plate; 23. Clamp block; 24. Guide block. [Specific implementation method]
[0022] In order to make the purpose, technical solution and beneficial technical effect of the utility model clearer, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementation methods described in this specification are only for explaining the utility model, and are not intended to limit the utility model.
[0023] It should also be understood that the terms used in this utility model specification are only for the purpose of describing specific embodiments and are not intended to limit the utility model. As used in this utility model specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.
[0024] It should be further understood that the term “and / or” used in the present specification and the appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.
[0025] In an embodiment of the utility model, a pump head structure 100 using a strip valve plate is provided to control the fluid flow direction of the pump device so that the fluid flows in a preset direction and prevents backflow, while maximizing the flow rate of the pump head within a limited design space.
[0026] like Figure 1-Figure 3 As shown, the pump head structure 100 using the strip valve plate includes a pump base 10 and a strip valve plate 20 disposed on the pump base 10 .
[0027] Specifically, the pump seat 10 is provided with a fixing hole 101 and at least two air holes 102 respectively arranged on both sides of the fixing hole 101. That is, one fixing hole 101 and all the air holes 102 on both sides thereof are a group, so as to correspond to one strip valve plate 20. Among them, the air hole 102 can be a circular hole. The two air holes 102 are respectively arranged on both sides of the fixing hole 101, that is, one side of the fixing hole 101 is provided with an air hole 102. Of course, the number of air holes 102 can also be more, for example, two air holes 102 are arranged on one side of each fixing hole 101, that is, one fixing hole 101 corresponds to four air holes 102. In this embodiment, the fixing hole 101 and all the corresponding air holes 102 are located on the same straight line.
[0028] In this embodiment, a fixing block 21 is provided in the middle of the strip valve plate 20, and the fixing block 21 is used to adapt and fix with the fixing hole 101, so that the parts of the strip valve plate 20 located on both sides of the fixing block 21 (which can be defined as the control plate 22) can respectively unidirectionally close the air holes 102 located on both sides of the fixing hole 101, thereby achieving an anti-backflow effect.
[0029] The cross section of the fixing hole 101 is rectangular, and the strip valve disc 20 is rectangular. Therefore, when the strip valve disc 20 is fixed to the square fixing hole 101 by the square columnar fixing block 21, the rotation of the strip valve disc 20 can be limited, thereby avoiding the situation that the two sides of the strip valve disc 20 cannot close the air hole 102 due to the rotation of the strip valve disc 20.
[0030] It can be understood that, since the fixed block 21 is arranged in the middle of the strip valve disc 20, the strip valve disc 20 can be regarded as a combination of two smaller valve discs (i.e., the control disc 22), and each small valve disc can unidirectionally close all the air holes 102 on the corresponding side of the fixed hole 101. Therefore, by providing a plurality of air holes 102, the total effective aperture of the air holes 102 is increased, and the flow rate of the pump head is correspondingly increased. At the same time, the aperture of a single air hole 102 is small, so that the small valve discs on both sides of the strip valve disc 20 will not be easily concave and deformed, thereby ensuring the fluid control effect of the strip valve disc 20; by dispersing the force-bearing area of the strip valve disc 20, the entire strip valve disc 20 can withstand a larger pressure.
[0031] Furthermore, the pump seat 10 is also provided with a limiting groove 103 corresponding to each fixing hole 101. The fixing hole 101 and its corresponding air hole 102 are both provided at the bottom of the corresponding limiting groove 103. The strip valve sheet 20 is accommodated in the limiting groove 103. The limiting groove 103 is a strip groove, and the length and width are both greater than or equal to the length and width of the strip valve sheet 20. Furthermore, the height of the limiting groove 103 is consistent with the thickness of the strip valve sheet 20.
[0032] In some embodiments, the fixing hole 101 extends outwardly from one side of the strip valve disc 20 to form a clamping groove 104, and the cross-sectional area of the clamping groove 104 is larger than the cross-sectional area of the fixing hole 101. Accordingly, the fixing block 21 extends outwardly from one side of the strip valve disc 20 to form a clamping block 23 adapted to the clamping groove 104. The clamping block 23 is used to cooperate with the clamping groove 104 to form a raised limiting structure to prevent the strip valve disc 20 from being separated from the pump seat 10.
[0033] Furthermore, a guide block 24 having a trapezoidal shape is formed on one side of the fixing block 21 close to the strip valve disc 20. A guide groove 105 adapted to the guide block 24 is extended outward on one side of the fixing hole 101 close to the strip valve disc 20. The surface of the guide block 24 is closely fitted with the surface of the guide groove 105, thereby providing a guiding function when the strip valve disc 20 is assembled on the pump seat 10. At the same time, the contact area between the fixing block 21 and the fixing hole 101 can be increased, and the sealing performance of the fixing hole 101 can be improved.
[0034] In combination with the above-mentioned embodiments, there are two strip valve sheets 20 , which are used to control air intake and exhaust respectively.
[0035] Specifically, the pump seat 10 includes a first pump block 11 and a second pump block 12 connected to each other. The first pump block 11 is provided with a first chamber 111 and a second chamber 112 respectively connected to the outside. There are two strip valve sheets 20 and their corresponding fixing holes 101, and the two strip valve sheets 20 control the unidirectional flow of the airflow in opposite directions. Both fixing holes 101 are provided on the second pump block 12, and the air holes 102 corresponding to the two fixing holes 101 are respectively connected to the first chamber 111 and the second chamber 112. For example, all the air holes 102 responsible for suction are connected to the first chamber 111, and all the air holes 102 responsible for exhaust are connected to the second chamber 112, so that the pump head can take into account the fluid flow control of suction and exhaust at the same time.
[0036] In summary, the pump head structure 100 using a strip valve plate provided by the utility model adopts a strip valve plate 20 and fixes the middle part of the strip valve plate 20 on the pump seat 10 through a fixing block 21, so that the parts on both sides of the strip valve plate 20 can respectively close the air holes 102 on both sides of the fixing hole 101, that is, one strip valve plate 20 can control the gas flow of at least two air holes 102, thereby increasing the total effective aperture of the air holes 102 in the pump head in quantity, and correspondingly increasing the flow rate of the pump head; at the same time, the aperture of each air hole 102 is small, so that the two sides of the strip valve plate 20 will not be easily concave and deformed, thereby ensuring the fluid control effect of the strip valve plate 20; by dispersing the force-bearing area of the strip valve plate 20, the entire strip valve plate 20 can withstand a larger pressure, thereby increasing the service life of the strip valve plate 20.
[0037] The present invention is not limited to what is described in the specification and implementation modes, and therefore, additional advantages and modifications can be easily realized by those familiar with the art. Therefore, without departing from the spirit and scope of the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details, representative devices, and illustrative examples shown and described herein.
Claims
1. A pump head structure using a strip valve sheet, characterized in that: It comprises a pump seat and a strip-shaped valve sheet arranged on the pump seat; The pump seat is provided with a fixing hole and at least two air holes respectively arranged on both sides of the fixing hole; A fixing block is provided in the middle of the strip valve sheet, and the fixing block is used to fit and fix with the fixing hole, so that the parts of the strip valve sheet located on both sides of the fixing block can unidirectionally close the air holes located on both sides of the fixing hole respectively.
2. The pump head structure using a strip valve sheet as claimed in claim 1, characterized in that: The pump seat is also provided with a limiting groove corresponding to each fixing hole, and the fixing hole and the corresponding air hole are both provided at the bottom of the corresponding limiting groove; the strip valve sheet is accommodated in the limiting groove.
3. The pump head structure using a strip valve sheet as claimed in claim 2, characterized in that: The height of the limiting groove is consistent with the thickness of the strip-shaped valve sheet.
4. The pump head structure using a strip valve sheet as claimed in claim 2, characterized in that: The fixing hole extends outward from one side away from the strip valve sheet to form a slot, and the cross-sectional area of the slot is larger than the cross-sectional area of the fixing hole; the fixing block extends outward from one side away from the strip valve sheet to form a block adapted to the slot, and the block is used to cooperate with the slot to prevent the strip valve sheet from detaching from the pump seat.
5. The pump head structure using a strip valve sheet as claimed in claim 2, characterized in that: The side of the fixing block close to the strip valve sheet forms a trapezoidal guide block; the side of the fixing hole close to the strip valve sheet extends outward to form a guide groove adapted to the guide block; the surface of the guide block is tightly fitted with the surface of the guide groove.
6. The pump head structure using a strip valve sheet as claimed in claim 1, characterized in that: The cross section of the fixing hole is rectangular, and the strip-shaped valve sheet is rectangular.
7. The pump head structure using a strip valve sheet according to any one of claims 1 to 6, characterized in that: The pump seat includes a first pump block and a second pump block connected to each other; the first pump block is provided with a first chamber and a second chamber respectively connected to the outside; the number of the strip valve sheets and the corresponding fixing holes is two, and the two strip valve sheets control the unidirectional flow of the airflow in opposite directions; the two fixing holes are both provided on the second pump block, and the air holes corresponding to the two fixing holes are respectively connected to the first chamber and the second chamber.