Novel lubricating pump oil outlet structure
By employing a line seal structure in the lubrication pump that uses steel balls and cross-sections for sealing, the problem of seal failure caused by impurities in traditional lubrication pumps is solved, achieving effective oil sealing and preventing oil backflow.
Patent Information
- Application Number
- CN202520385552.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-03-06
AI Technical Summary
The one-way check valve structure of traditional lubrication pumps is prone to seal failure due to impurities, leading to oil backflow problems.
It adopts a line seal structure with steel balls and cross-section matching. The steel balls and one-way valve seat form a line seal to prevent oil backflow.
It effectively prevents oil backflow, ensures that the one-way check function is not affected by impurities, and maintains the sealing effect.
Smart Images
Figure CN223690823U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to lubrication pump technical field, especially, relate to a novel lubrication pump oil outlet structure. BACKGROUND
[0002] Lubrication pump oil outlet unit is composed of pump core, oil suction port, one-way check structure, oil outlet, is rotated through motor drive cam (cam is not in structure, just is convenient for description), cam pushes pump core and does reciprocating motion, completes the action of oil absorption and oil outlet, in order to prevent the oil that goes out when sucking oil backflow, is equipped with one-way check structure between oil suction port and oil outlet, the general market is taper face sealing structure, when pump core resets and oil suction port sucks oil, the spring of one-way check structure presses the taper body to taper face, to this forms sealing and prevents oil backflow, but the one-way check structure of traditional configuration is taper face sealing, when there is impurity and just jam on taper face, will cause gap to sealing, and oil will backflow, thereby making one-way check function invalid.
[0003] Therefore, we propose a novel lubrication pump oil outlet structure. CONTENT OF UTILITY MODEL
[0004] The utility model is aimed at providing a novel lubrication pump oil outlet structure, solves the problem of prior art.
[0005] To solve the above technical problem, the utility model is realized through the following technical scheme:
[0006] The utility model is a novel lubrication pump oil outlet structure, including the pump body, the pump body is conical tower structure, the right end surface of pump body is provided with oil outlet, the left end surface in oil outlet is provided with one-way valve seat groove, the left end surface in one-way valve seat groove is provided with piston groove, the left end surface of the step of the left end of pump body is provided with reset spring, the left end of reset spring is fixed with valve core spring seat, the inside of valve core spring seat is fixed with pump core, the middle part of pump core passes through reset spring and constitutes piston structure with piston groove, the peripheral surface of pump body is provided with a plurality of oil inlets, the oil inlet is located at the right side of the step, the one-way valve seat is slidably arranged in the one-way valve seat groove, the steel ball is embedded in the upper end surface of the one-way valve seat, the guide rod is fixed in the middle part of the lower surface of the one-way valve seat, the one-way valve spring is sleeved on the peripheral surface of the guide rod, the one-way valve nut is fixed in the oil outlet, the one-way valve nut is nested with the guide rod, the inner diameter of the one-way valve nut is larger than the guide rod, and the right end of the one-way valve spring abuts against the left end surface of the one-way valve nut.
[0007] In one of the embodiments, the oil outlet, the one-way valve seat groove and the piston groove are all circular grooves, the diameter of the oil outlet is larger than that of the one-way valve seat groove, and the diameter of the one-way valve seat groove is larger than that of the piston groove.
[0008] In one of the embodiments, the oil inlet communicates with the piston groove, the diameter of the steel ball is greater than that of the piston groove, and the diameter of the steel ball is less than that of the one-way valve seat groove.
[0009] The utility model has the following beneficial effects:
[0010] In the utility model, the pump core is pushed to make reciprocating motion to complete the oil suction and discharge process, and when discharging oil, the oil pushes the steel ball to open the channel, and the oil reaches the oil outlet from both sides of the steel ball and the one-way valve seat, and when the pump core suctions oil, the one-way valve spring pushes the one-way valve seat and the steel ball to the end face to form linear sealing to prevent oil backflow.
[0011] In the utility model, the one-way check structure adopts the cooperation of the steel ball and the sectional plane to form linear sealing, and when the oil contains impurities, the impurities cannot stay at the sealing point because the sealing surface is only a linear structure, and the one-way check function is not disabled.
[0012] Of course, it is not necessary to achieve all the advantages mentioned above when implementing any product of the utility model. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.
[0014] Figure 1 It is a whole structure schematic view of a novel lubricating pump oil discharge structure;
[0015] Figure 2 It is a front view of a novel lubricating pump oil discharge structure;
[0016] Figure 3 It is Figure 2 A-A section view in the middle.
[0017] In the drawings, the component list represented by each sign is as follows:
[0018] 1, pump body; 2, pump core; 3, one-way valve nut; 4, one-way valve seat; 5, valve core spring seat; 6, steel ball; 7, one-way valve spring; 8, reset spring; 9, oil inlet; 10, oil outlet; 11, guide rod. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present utility model.
[0020] In the description of the present utility model, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present utility model.
[0021] In the description of the present utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present utility model can be understood according to the specific circumstances.
[0022] Please refer to Figures 1-3 The utility model discloses a novel lubricating pump oil outlet structure, including the pump body 1, the pump body 1 is conical tower structure, the right end surface of pump body 1 is provided with the oil outlet 10, the left end surface in the oil outlet 10 is provided with one-way valve seat groove, the left end surface in one-way valve seat groove is provided with piston groove, the left end surface of the step of pump body 1 is provided with reset spring 8, the left end of reset spring 8 is fixed with valve core spring seat 5, the inside fixed of valve core spring seat 5 has pump core 2, and pump core 2 passes through the middle part of reset spring 8 and constitutes piston structure with piston groove, and the right side of the step is provided with a plurality of oil inlets 9 in the peripheral surface of pump body 1, and the one-way valve seat 4 is slidably arranged in the one-way valve seat groove, the steel ball 6 is embedded in the upper end surface of the one-way valve seat 4, the guide rod 11 is fixed on the middle part of the lower surface of the one-way valve seat 4, the one-way valve spring 7 is sleeved on the peripheral surface of the guide rod 11, and the one-way valve nut 3 is fixed in the oil outlet 10, so as to lock the position of the one-way valve seat 4;The one-way valve nut 3 and the guide rod 11 are nested and matched, the inner diameter of the one-way valve nut 3 is greater than the guide rod 11, and the right end of the one-way valve spring 7 abuts against the left end surface of the one-way valve nut 3.
[0023] Further, the oil outlet 10, the one-way valve seat groove and the piston groove are all circular grooves, the diameter of the oil outlet 10 is greater than that of the one-way valve seat groove, and the diameter of the one-way valve seat groove is greater than that of the piston groove.
[0024] Further, the oil inlet 9 is communicated with the piston groove, the diameter of the steel ball 6 is greater than that of the piston groove, and the diameter of the steel ball 6 is less than that of the one-way valve seat groove.
[0025] Please refer to Figures 1-3 As shown in the figure, the working principle of the novel lubricating pump oil outlet structure is as follows: the cam (not in the application, only for convenient description) pushes the pump core 2 to make reciprocating motion, so as to complete the oil suction and oil outlet process; when the oil outlet, the oil pushes the steel ball 6 to open the channel, and reaches the oil outlet 10 from both sides of the steel ball 6 and the one-way valve seat 4; when the pump core 2 sucks oil, the one-way valve spring 7 pushes the one-way valve seat 4 and the steel ball 6 to the end face, so as to form a linear seal to prevent oil backflow.
[0026] In the utility model, the one-way check structure adopts the cooperation of the steel ball 6 and the sectional surface, and a linear seal is formed; when the oil contains impurities, because the sealing surface in the utility model is only a linear structure, the impurities cannot stay at the sealing point, and the check function is not failed.
[0027] It should be further explained that the oil outlet 10 is communicated with the one-way valve seat groove, and the one-way valve seat groove is communicated with the piston groove.
[0028] In the description of the specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0029] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, and the utility model is limited to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and describes these embodiments in order to better explain the principles and practical application of the utility model, so that the persons skilled in the art can well understand and use the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.
Claims
1. A novel lubricating pump oil outlet structure comprising a pump body (1), characterized in that: The pump body (1) is a conical tower structure, the right end surface of the pump body (1) is provided with an oil outlet (10), the left end surface of the oil outlet (10) is provided with a one-way valve seat groove, the left end surface of the one-way valve seat groove is provided with a piston groove, the left end surface of the step is provided with a reset spring (8), the left end of the reset spring (8) is fixed with a valve core spring seat (5), the valve core spring seat (5) is fixed with a pump core (2), the pump core (2) passes through the middle part of the reset spring (8) and constitutes a piston structure with the piston groove, a plurality of oil inlets (9) are formed in the circumferential surface of the pump body (1), the oil inlets (9) are located on the right side of the step, the one-way valve seat (4) is slidably arranged in the one-way valve seat groove, the steel ball (6) is embedded in the upper end surface of the one-way valve seat (4), the guide rod (11) is fixed to the middle part of the lower surface of the one-way valve seat (4), the one-way valve spring (7) is sleeved on the circumferential surface of the guide rod (11), the one-way valve nut (3) is fixed in the oil outlet (10), the one-way valve nut (3) and the guide rod (11) are nested and matched, the inner diameter of the one-way valve nut (3) is larger than the guide rod (11), and the right end of the one-way valve spring (7) abuts against the left end surface of the one-way valve nut (3).
2. A novel lubrication pump oil outlet structure according to claim 1, characterized in that, The oil outlet (10), the one-way valve seat groove and the piston groove are all circular grooves, the diameter of the oil outlet (10) is larger than that of the one-way valve seat groove, and the diameter of the one-way valve seat groove is larger than that of the piston groove.
3. A novel lubrication pump oil outlet structure according to claim 1, characterized in that, The oil inlet (9) is communicated with the piston groove, the diameter of the steel ball (6) is larger than that of the piston groove, and the diameter of the steel ball (6) is smaller than that of the one-way valve seat groove.