Wear-resistant doctor cap elbow
By setting an auxiliary cavity and a buffer plate on the outside of the bend of the elbow body, combined with a guide plate and a guide strip, the problem of reduced elbow life caused by water flow impact is solved, and the wear resistance and service life of the elbow are improved.
Patent Information
- Application Number
- CN202520178999.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-05
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-02-05
AI Technical Summary
The existing elbows are not smoothly designed, so when water flows in, it impacts the bending part, which reduces the service life of the elbows.
An auxiliary cavity is provided on the outside of the bending part of the elbow body. Inside, there is a buffer plate and a buffer spring, and a buffer wear-resistant mechanism is provided. Combined with the guide plate and guide strip, the water flow is dispersed and buffered.
By dispersing and buffering the water flow, the impact on the bend is reduced, thereby improving the service life and wear resistance of the elbow.
Smart Images

Figure CN223595379U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elbow technical field, concretely is a kind of wear-resistant doctor's hat elbow. BACKGROUND
[0002] Elbow is a kind of tubular part widely used in piping system, its main function is to connect the elbow of pipe, so that pipe can smoothly change direction, is widely applied in building heating ventilation air conditioning system, chemical production process, energy transmission pipeline, drainage system and shipbuilding etc. Field.In these applications, elbow can ensure the smooth transmission of fluid, reduce pressure loss, and improve the overall performance and efficiency of system.
[0003] Prior art (the China patent of publication number: CN104420511A, publication date is March 18, 2015) a kind of elbow, including elbow main body, the inlet and outlet of elbow main body are arc section, the inner wall surface of the outer circle of arc section is provided with groove, filter screen is provided on the groove and wall surface connection.In the process of draining, water plug phenomenon can be effectively prevented, ensure the smoothness of drainage, when using, water and part of garbage flow through elbow, with the flow direction of flow guide screw, when garbage is too much, filter screen bearing capacity is limited, under the impact of water flow, garbage and filter screen are taken into groove, guarantee the smoothness of elbow.
[0004] Although the elbow of prior art can guarantee guarantee the smoothness of elbow, but its elbow due to its non-smooth setting, when water flow enters into the interior of elbow, will impact the bending part of elbow, so that the bending part of elbow is damaged seriously, thereby reducing the service life of elbow.
[0005] Therefore, we propose a kind of wear-resistant doctor's hat elbow to solve the problems raised above. INVENTION CONTENTS
[0006] The utility model aims at providing a kind of wear-resistant doctor's hat elbow to solve the problems raised in the above background art that its elbow due to its non-smooth setting, when water flow enters into the interior of elbow, will impact the bending part of elbow, so that the bending part of elbow is damaged seriously, thereby reducing the service life of elbow.
[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of wear-resistant doctor's hat elbow, including elbow body, the bending part outside of elbow body is provided with auxiliary cavity, and auxiliary cavity is provided with buffer plate in the inside, the inside of buffer plate and the inner wall between auxiliary cavity is provided with buffer spring, and the inside of buffer plate and the inner wall between auxiliary cavity is provided with buffer wear-resistant mechanism.
[0008] Further, the two straight parts of the elbow body are internally fixedly connected with a flow guide plate, and the inner side of the flow guide plate is fixedly connected with a flow guide strip.
[0009] Further, the flow guide plate is arranged in an arc shape, and two groups of flow guide plates are arranged in each straight part, the flow guide strips are equally spaced on the inner side of the flow guide plate, and the outer side of the flow guide strip is arranged in an arc shape.
[0010] Further, the buffer plate is nested and connected in the inner side of the auxiliary cavity, and the inner side of the buffer plate is fixedly connected with a wear-resistant block.
[0011] Further, the wear-resistant blocks are arranged in a rectangular array on the inner side of the buffer plate, and the wear-resistant blocks are arranged in an arc convex shape, and the auxiliary cavity and the elbow body are arranged in a "doctor's hat" shape in cross section.
[0012] Further, the buffer wear-resistant mechanism comprises a fixing seat, the fixing seat is fixedly connected to the inner side of the auxiliary cavity, the inner side of the buffer plate is fixedly connected with a connecting seat, the connecting seat and the fixing seat are fixedly connected with a buffer spring, the side of the fixing seat is provided with a sliding groove, the inner side of the sliding groove is nested and connected with a sliding rod, and the side end of the sliding rod and the side of the connecting seat are hingedly connected with a rotating rod.
[0013] Further, the connecting seat and the fixing seat constitute a sliding structure through the buffer spring, the rotating rod constitutes a rotating structure through the connecting seat and the sliding rod, and the sliding rod constitutes a sliding structure through the rotating rod and the sliding groove.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. The straight part at the two ends of the elbow body is internally provided with a flow guide plate, the water flow entering the bending part can be dispersed and guided through the flow guide plate, so that the water flow is divided into multiple parts, the impact force generated by the single water flow is reduced, and the possibility that the bending part is damaged by the impact of the water flow is prevented.
[0016] The inner side of the flow guide plate is provided with multiple groups of flow guide strips arranged at equal distances, the water flow dispersed by the flow guide plate can be further guided through the flow guide strips, so that the impact force of the water flow is further reduced, and the service life of the flow guide plate is improved.
[0017] 2. The inner side of the auxiliary cavity is arranged outside the bending part of the elbow body, the auxiliary cavity increases the cavity size of the bending part of the elbow body, when the water flow passes through the bending part, it will further enter the inner side of the auxiliary cavity, and the water flow can be further buffered through the auxiliary cavity.
[0018] When the water flow enters the inside of the auxiliary cavity, the water flow will impact the buffer plate, at this time the buffer plate will extrude the buffer spring under the action of the water flow, under the driving of the elastic force of the buffer spring, the impact force of the water flow can be buffered, and the outer side of the buffer plate is provided with wear-resistant blocks, and the wear resistance of the buffer plate can be improved through the wear-resistant blocks;
[0019] 3. When the buffer plate moves, the two side rotating rods are synchronously extruded to rotate, the inner end of the rotating rod synchronously drives the sliding rod to move in the sliding groove, and the stability of the buffer plate is further improved under the limiting action of the sliding groove. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;
[0021] Figure 2 It is a three-dimensional sectional structure schematic diagram of the utility model;
[0022] Figure 3 It is a three-dimensional sectional structure schematic diagram of the auxiliary cavity of the utility model;
[0023] Figure 4 It is a three-dimensional structure schematic diagram of the buffer spring of the utility model;
[0024] Figure 5 It is a three-dimensional structure schematic diagram of the sliding rod of the utility model;
[0025] Figure 6 It is a three-dimensional structure schematic diagram of the guide plate of the utility model.
[0026] In the drawing: 1, elbow body; 2, auxiliary cavity; 3, guide plate; 4, buffer plate; 5, wear-resistant block; 6, guide strip; 7, buffer spring; 8, fixed seat; 9, sliding rod; 10, rotating rod; 11, sliding groove; 12, connecting seat. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0028] Embodiment one: as Figure 1 , Figure 2 , Figure 3 and Figure 4The technical scheme is shown in the utility model provides the following technical scheme: a wear-resistant doctor's hat elbow, auxiliary cavity 2 is disclosed, the impact force of water flow can be buffered through auxiliary cavity 2: elbow body 1, the outer side of the bending part of elbow body 1 is provided with auxiliary cavity 2, and the inside of auxiliary cavity 2 is provided with buffer plate 4, buffer spring 7 is arranged between the inside of buffer plate 4 and the inner wall of auxiliary cavity 2, and buffer wear-resistant mechanism is arranged between the inside of buffer plate 4 and the inner wall of auxiliary cavity 2; the buffer wear-resistant mechanism includes fixed seat 8, the inside of auxiliary cavity 2 is fixedly connected with fixed seat 8, the inside of buffer plate 4 is fixedly connected with connecting seat 12, buffer spring 7 is fixedly connected between connecting seat 12 and fixed seat 8, the side of fixed seat 8 is provided with sliding groove 11, sliding rod 9 is nestedly connected in the inside of sliding groove 11, and hinge rod 10 is hinged between the edge end of sliding rod 9 and the side of connecting seat 12, connecting seat 12 and fixed seat 8 constitute sliding structure through buffer spring 7, hinge rod 10 constitutes rotating structure through connecting seat 12 and sliding rod 9, and sliding rod 9 constitutes sliding structure through hinge rod 10 and sliding groove 11.
[0029] The inside of auxiliary cavity 2 is arranged at the outer side of the bending part of elbow body 1, auxiliary cavity 2 improves the cavity size of the bending part of elbow body 1, when water flow passes through the bending part, can further enter the inside of auxiliary cavity 2, and the water flow can be further buffered through auxiliary cavity 2; when the water flow enters the inside of auxiliary cavity 2, the water flow will impact buffer plate 4, at this time, buffer plate 4 will extrude buffer spring 7 under the action of the water flow, under the driving of the elastic force of buffer spring 7, the impact force of the water flow can be buffered, and the outside of buffer plate 4 is provided with wear-resistant block 5, the wear resistance of buffer plate 4 can be improved through wear-resistant block 5.
[0030] Embodiment two: as shown in the technical scheme, Figure 1 , Figure 3 and Figure 5 The utility model provides the following technical scheme: a wear-resistant doctor's hat elbow, sliding groove 11 is disclosed, the stability of the movement of buffer plate 4 is further improved through sliding groove 11: buffer plate 4 is nestedly connected in the inside of auxiliary cavity 2, the inside of buffer plate 4 is fixedly connected with wear-resistant block 5, wear-resistant block 5 is arranged in the inside of buffer plate 4 in rectangular array, wear-resistant block 5 is arranged in arc convex shape, auxiliary cavity 2 and elbow body 1 are arranged in "doctor's hat" structure in section.
[0031] When buffer plate 4 moves, the two sides of hinge rod 10 will be extruded and rotated synchronously, at this time, the inside of hinge rod 10 will drive sliding rod 9 to move in the inside of sliding groove 11 synchronously, at this time, under the limiting action of sliding groove 11, the stability of the movement of buffer plate 4 can be further improved.
[0032] Embodiment three: as shown in the technical scheme, Figure 2 and Figure 6The technical scheme is shown, the utility model provides the following technical scheme: a wear -resisting doctor's hat elbow, disclose guide vane 3, through guide vane 3 can reduce the impact force of water flow: the two straight parts inside the elbow body 1 is fixedly connected with guide vane 3, and the inner side of guide vane 3 is fixedly connected with guide strip 6, guide vane 3 is arc structure setting, and guide vane 3 is provided with two groups in each straight part inside, and guide strip 6 is equidistantly distributed in the inner side of guide vane 3, and the outer side of guide strip 6 is arc structure setting.
[0033] The straight part inside the two ends of elbow body 1 is provided with guide vane 3, the water flow entering the bending part can be dispersed and guided by guide vane 3, so that the water flow is divided into multiple parts, the impact force generated by single water flow is reduced, so that the bending part is prevented from being damaged by the impact of water flow, the inner side of guide vane 3 is provided with multiple groups of guide strips 6 arranged at equal distances, the water flow divided by guide vane 3 can be further guided by guide strip 6, so as to further reduce the impact force of water flow and improve the service life of guide vane 3.
[0034] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.
[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A wear-resistant doctor's hat elbow, comprising an elbow body (1), an auxiliary cavity (2) is arranged outside the bending part of the elbow body (1), and a buffer plate (4) is arranged inside the auxiliary cavity (2), characterized in that: The inner side of the buffer plate (4) is provided with a buffer spring (7) between the inner wall of the auxiliary cavity (2), and the inner side of the buffer plate (4) is provided with a buffer wear-resistant mechanism between the inner wall of the auxiliary cavity (2).
2. A wear resistant doctor hood elbow as defined in claim 1, wherein: The two straight parts of the elbow body (1) are fixedly connected with a flow guide plate (3), and the inner side of the flow guide plate (3) is fixedly connected with a flow guide strip (6).
3. A wear resistant doctor hood elbow as defined in claim 2, wherein: The flow guide plate (3) is arranged in an arc shape, and two groups of flow guide plates (3) are arranged in each straight part. The flow guide strips (6) are equally spaced on the inner side of the flow guide plate (3), and the outer side of the flow guide strip (6) is arranged in an arc shape.
4. A wear-resistant doctor's-hat elbow as defined in claim 1, characterized in that: The buffer plate (4) is nested and connected in the inner side of the auxiliary cavity (2), and the inner side of the buffer plate (4) is fixedly connected with a wear-resistant block (5).
5. A wear resistant doctor hood elbow as defined in claim 4, wherein: The wear-resistant blocks (5) are arranged in a rectangular array on the inner side of the buffer plate (4), and the wear-resistant blocks (5) are arranged in an arc protrusion. The auxiliary cavity (2) and the elbow body (1) are arranged in a "doctor's hat" structure in cross section.
6. A wear-resistant doctor's-hat elbow as defined in claim 1, characterized in that: The buffer wear-resistant mechanism comprises a fixing seat (8), the fixing seat (8) is fixedly connected to the inner side of the auxiliary cavity (2), the inner side of the buffer plate (4) is fixedly connected with a connecting seat (12), and the connecting seat (12) and the fixing seat (8) are fixedly connected with a buffer spring (7), the side of the fixing seat (8) is provided with a sliding groove (11), the inner side of the sliding groove (11) is nested and connected with a sliding rod (9), and the edge of the sliding rod (9) and the side of the connecting seat (12) are hinged with a rotating rod (10).
7. A wear resistant doctor hood elbow as defined in claim 6, wherein: The connecting seat (12) and the fixing seat (8) constitute a sliding structure through the buffer spring (7), the rotating rod (10) constitutes a rotating structure through the connecting seat (12) and the sliding rod (9), and the sliding rod (9) constitutes a sliding structure through the rotating rod (10) and the sliding groove (11).
Citation Information
Patent Citations
Elbow
CN104420511A