Metal connector and fluid conveying equipment
By setting a gasket and a multi-layer O-ring design in the groove of the third O-ring in the fluid conveying equipment, combined with a waterproof ring and steel balls, the problem of sealing failure and impurity entry caused by frequent insertion and removal is solved, achieving higher sealing reliability and equipment durability.
Patent Information
- Application Number
- CN202423168827.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing fluid conveying equipment is prone to O-ring deformation during frequent insertion and removal, leading to seal failure and the entry of external impurities into the equipment, affecting sealing performance and equipment operation.
A gasket is placed in the groove where the third O-ring is located. The gasket is used to press the third O-ring to prevent it from deforming. The combination of multi-layer O-rings and annular groove design ensures sealing performance. A waterproof ring and steel ball are placed in the socket housing to improve sealing reliability.
It effectively prevents external impurities from entering the fluid conveying equipment, improves sealing performance, reduces wear and jamming during insertion and removal, and extends the service life of the equipment.
Smart Images
Figure CN223609569U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fluid connection equipment technical field more specifically, relate to a kind of metal connector. In addition, the utility model further relates to a kind of fluid delivery equipment comprising the metal connector described above. BACKGROUND
[0002] Fluid delivery equipment needs to be plugged frequently, and the matching of the customized fluid delivery equipment connector and the existing connector. The immersion and long-term pressure of fluid medium can cause the change of O-ring, leading to sealing failure, at which time the internal O-ring needs to be replaced to ensure product sealing performance. Frequent plugging can cause external impurities to enter the fluid delivery equipment, causing the fluid delivery equipment to be stuck when moving. At the same time, in order to ensure the reliability of the fluid delivery equipment seal, the plug and the socket are generally custom developed, as the sealing between different types of fluid delivery equipment cannot be ensured.
[0003] For existing products, frequent plugging and O-ring changes cannot avoid the entry of external impurities into the fluid delivery equipment.
[0004] In summary, how to prevent external impurities from entering the fluid delivery equipment is a problem that needs to be solved by the technical personnel in the field at present. UTILITY MODEL CONTENT
[0005] Therefore, the utility model aims to provide a metal connector, which sets a gasket in the groove where the third O-ring is located, and realizes the compression of the O-ring by the gasket to prevent external impurities from entering the fluid delivery equipment.
[0006] Another object of the utility model is to provide a fluid transmission device comprising the metal connector described above.
[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0008] A metal connector, comprising:
[0009] The socket base shell is a tubular structure, and a thread is provided on the inner periphery to enable the socket base shell to be threadedly connected to a pipe;
[0010] The socket shell is a tubular component, and the socket base shell is arranged at the first end portion inside the socket shell;
[0011] The sealing ring is a tubular component, and two annular grooves are provided on the outer periphery, the sealing ring is arranged at the second end portion inside the socket shell, and a third O-ring and a fourth O-ring are respectively arranged in the two annular grooves, and a gasket is further arranged in the groove where the third O-ring is located.
[0012] Preferably, the outer periphery of the socket base shell is also provided with two annular grooves, a first O-ring and a second O-ring are respectively arranged in the two annular grooves, and the socket base shell is fixed in the socket shell by a first snap spring.
[0013] Preferably, the second end of the socket shell is provided with a clamping portion, a first elastic member is arranged between the socket base shell and the sealing ring, and the first elastic member cooperates with the clamping portion to fix the sealing ring.
[0014] Preferably, the second end of the socket shell is provided with a clamping portion, a first elastic member is arranged between the socket base shell and the sealing ring, and the first elastic member cooperates with the clamping portion to fix the sealing ring.
[0015] Preferably, the connecting portion of the first end and the second end of the socket shell is provided with an annular groove, the inner periphery of one end of the push-pull ring towards the socket shell has the same size as the outer periphery of the first end of the socket shell, and the inner periphery of the other end of the push-pull ring away from the socket shell has the same size as the outer periphery of the second end of the socket shell.
[0016] Preferably, the inside of the sealing ring is provided with a waterproof ring, the outer periphery of the waterproof ring is provided with a protruding portion, and the protruding portion includes a chamfer and a non-chamfer.
[0017] Preferably, the inner periphery of the waterproof ring is provided with a first protruding rib, a second protruding rib and an inclined surface, the first protruding rib and the second protruding rib are distributed in a stepped manner, and the inclined surface is in contact with the end of the second protruding rib.
[0018] Preferably, the second end of the socket shell is uniformly provided with a plurality of perforations, and a steel ball is arranged in each perforation.
[0019] A fluid transmission device comprising a metal connector according to any one of the preceding claims.
[0020] The metal connector provided by the utility model, the two ends of the socket base shell of the metal connector are respectively provided with a sealing ring and a socket shell, the outer periphery of the sealing ring is provided with two annular grooves, a third O-ring and a fourth O-ring are respectively arranged in the two grooves, a gasket is further arranged in the third O-ring, the third O-ring can be extruded by the gasket, so that the third O-ring can be tightly attached in the groove, thereby preventing external impurities from entering the fluid conveying equipment. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below only constitute a part of the embodiments of the present application, and are not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0022] Figure 1 A sectional view of the metal connector provided by the present application;
[0023] Figure 2 An exploded view of the metal connector provided by the present application;
[0024] Figure 3 A structural schematic view of the socket base shell provided by the present application;
[0025] Figure 4 A structural schematic view of the waterproof ring provided by the present application;
[0026] Figure 5 A sectional view of the waterproof ring provided by the present application;
[0027] Figure 6 A structural schematic view of the waterproof ring without chamfer at the tail provided by the present application;
[0028] Figure 7 A structural schematic view of the waterproof ring with chamfer at the tail provided by the present application.
[0029] Reference signs:
[0030] 1- first clamping spring; 2- socket base shell; 3- first O-ring; 4- second O-ring; 5- first elastic member; 6- socket shell; 7- steel ball; 8- gasket; 9- third O-ring; 10- fourth O-ring; 11- sealing ring; 12- waterproof ring; 121- first protruding rib; 122- second protruding rib; 123- inclined surface; 124- protruding part; 13- second elastic member; 14- push-pull ring; 15- second clamping spring. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments only constitute a part of the embodiments of the present application, and are not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0032] The utility model discloses a core provides a kind of metal connector, which can prevent external impurities from entering fluid conveying equipment.
[0033] Another core of the utility model provides a kind of fluid transmission device comprising the metal connector.
[0034] It should be noted that the orientation or positional relationship indicated by "up", "down", "front", "back" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element 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 application.
[0035] The metal connector provided by the present application comprises a socket base shell 2, a socket shell 6 and a sealing ring 11.
[0036] The socket base shell 2 is a tubular structure with threads on its inner periphery to allow it to be screwed onto a pipe.
[0037] The socket shell 6 is a tubular component, and the socket base shell 2 is arranged at the first end inside the socket shell 6.
[0038] The sealing ring 11 is a tubular component with two annular grooves on its outer periphery. The sealing ring 11 is arranged at the second end inside the socket shell 6, and a third O-ring 9 and a fourth O-ring 10 are arranged in the two annular grooves respectively. A gasket 8 is also arranged in the groove where the third O-ring 9 is located.
[0039] Specifically, please refer to the accompanying drawings Figure 1 With the accompanying drawings Figure 2 The socket shell 6 is a hollow structure, and the socket base shell 2 and the sealing ring 11 are arranged at the two ends inside the socket shell 6 respectively. The outer periphery of the sealing ring 11 is provided with two annular grooves, and the annular grooves are separated by an annular protrusion. A third O-ring 9 and a fourth O-ring 10 are arranged in the two annular grooves respectively. Since the groove where the third O-ring 9 is located is larger in size, a gasket 8 is additionally arranged. The size of the gasket 8 is matched with the size of the groove and the third O-ring 9, so that the third O-ring 9 can be pressed in the groove by the gasket 8, thereby preventing the third O-ring 9 from deforming during frequent plugging and unplugging and preventing external impurities from entering the fluid conveying equipment.
[0040] On the basis of the above-mentioned embodiments, the outer periphery of the socket base shell 2 is also provided with two annular grooves, and a first O-ring 3 and a second O-ring 4 are arranged in the two annular grooves respectively. The socket base shell 2 is fixed in the socket shell 6 by a first snap spring 1.
[0041] Specifically, please refer to the accompanying drawings Figure 3The outer periphery of the socket base shell 2 is also provided with two annular grooves, the sizes and structures of which are the same, and are used for mounting the first O-ring 3 and the second O-ring 4 respectively. A limiting protrusion is arranged on the outer periphery of the side of the socket base shell 2 facing the outside of the socket shell 6, and the limiting protrusion cooperates with the first clamping spring 1 to realize the clamping fixation of the socket base shell 2 in the socket shell 6.
[0042] On the basis of the above-mentioned embodiments, the second end portion inside the socket shell 6 is provided with a clamping portion, and the first elastic member 5 is arranged between the socket base shell 2 and the sealing ring 11, and cooperates with the clamping portion to fix the sealing ring 11.
[0043] Specifically, the inner periphery diameter of the second end portion of the socket shell 6 is smaller than the inner periphery diameter of the first end portion of the socket shell 6, so as to form a stepped clamping portion. The outer diameter of the sealing ring 11 is the same as the inner periphery diameter of the first end portion of the socket shell 6, so that the sealing ring 11 can be directly put into the socket shell 6 and abut against the stepped clamping portion. Then, the first elastic member 5 and the socket base shell 2 are sequentially inserted into the socket shell 6, and when the clamping of the socket base shell 2 is realized by the first clamping spring 1, the first elastic member 5 and the sealing ring 11 can be installed in the socket shell 6.
[0044] On the basis of the above-mentioned embodiments, the second end portion of the socket shell 6 is sleeved with the push-pull ring 14, the second elastic member 13 is arranged between the push-pull ring 14 and the socket shell 6, and the push-pull ring 14 is clamped with the socket shell 6 by the second clamping spring 15.
[0045] Specifically, the second end portion of the socket shell 6 is provided with the push-pull ring 14, and the push-pull ring 14 is also a tubular shell. The inner periphery size of the push-pull ring 14 is adapted to the socket shell 6. The left side of the push-pull ring 14 is clamped and positioned with the socket shell 6 by the second clamping spring 15. The push-pull ring 14 can realize simple plug-in and plug-out operation without additional tools.
[0046] On the basis of the above-mentioned embodiments, the connecting portion of the first end portion and the second end portion of the socket shell 6 is provided with an annular groove. The inner periphery size of one end of the push-pull ring 14 facing the socket shell 6 is the same as the outer periphery size of the first end portion of the socket shell 6. The inner periphery size of the other end of the push-pull ring 14 away from the socket shell 6 is the same as the outer periphery size of the second end portion of the socket shell 6.
[0047] Specifically, the groove opening on the socket shell 6 is arranged towards the second end, the push-pull ring 14 is also divided into a first end on the left side and a second end on the right side, the size of the first end of the push-pull ring 14 is smaller than that of the second end to form a stepped structure, and the inner periphery of the first end of the push-pull ring 14 is attached to the outer periphery of the second end of the socket shell 6, the inner periphery of the second end of the push-pull ring 14 is attached to the outer periphery of the first end of the socket shell 6, the second elastic member 13 is arranged between the two, the push-pull ring 14 can shield the second elastic member 13, thereby improving the service life.
[0048] Optionally, the first elastic member 5 and the second elastic member 13 can both be selected as springs, which are low in cost and convenient for mass production.
[0049] On the basis of the above embodiment, the inside of the sealing ring 11 is provided with a waterproof ring 12, the outer periphery of the waterproof ring 12 is provided with a protruding part 124, and the protruding part 124 includes two kinds of chamfer and no chamfer.
[0050] Specifically, please refer to the accompanying drawings Figure 6 and the accompanying drawings Figure 7 The form of the protruding part 124 is divided into two forms of tail with chamfer (the accompanying drawings Figure 7 ) and no chamfer (the accompanying drawings Figure 6 ), considering that different tail forms of products need to be matched with different sealing structures, which causes that parts cannot be universal and increases the cost.
[0051] On the basis of the above embodiment, the inner periphery of the waterproof ring 12 is provided with a first protruding rib 121, a second protruding rib 122 and an inclined surface 123, the first protruding rib 121 and the second protruding rib 122 are distributed in a stepped manner, and the inclined surface 123 is in contact with the end of the second protruding rib 122.
[0052] Specifically, please refer to the accompanying drawings Figure 4 and the accompanying drawings Figure 5 The first protruding rib 121 and the second protruding rib 122 can play a radial sealing function, and the inclined surface 123 can play an axial sealing function, and double sealing ensures the reliability of sealing. For the plug without chamfer, the second protruding rib 122 and the inclined surface 123 double seal. For the plug with chamfer, the structure combination composed of the first protruding rib 121 and the second protruding rib 122 ensures the reliability of radial sealing, and the inclined surface 123 plays an axial sealing function. Through this structure, it can be ensured that different types of plugs have good sealing performance.
[0053] On the basis of the above embodiment, a plurality of perforations are uniformly arranged on the second end of the socket shell 6, and a steel ball 7 is arranged in each perforation.
[0054] Specifically, the steel ball 7 can provide a rolling surface to ensure the system to run smoothly, and the steel ball 7 can withstand greater pressure and impact force, and reduce the wear and heat generation between the parts under high friction conditions, and improve the service life.
[0055] In addition to the metal connector described above, the utility model also provides a fluid transmission device comprising the metal connector disclosed in the above embodiment, and the structures of other parts of the fluid transmission device refer to the prior art, and will not be described herein.
[0056] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between various embodiments can be referred to each other.
[0057] The metal connector and the fluid conveying equipment provided by the utility model are described in detail. The principle and implementation mode of the utility model are described by applying specific examples in this paper. The description of the above embodiments is only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary skilled persons in the technical field, some improvements and modifications can be made to the utility model without departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the claims of the utility model.
Claims
1. A metal connector characterized by, The utility model relates to a metal connector, which comprises: a socket base shell (2) in a tubular structure, the inner periphery of which is provided with threads to enable the socket base shell (2) to be screwed to a pipe; a socket shell (6) in a tubular assembly, the socket base shell (2) being arranged at a first end inside the socket shell (6); a sealing ring (11) in a tubular assembly, the outer periphery of which is provided with two annular grooves, the sealing ring (11) being arranged at a second end inside the socket shell (6), a third O-ring (9) and a fourth O-ring (10) being arranged in the two annular grooves respectively, and a gasket (8) being further arranged in the groove in which the third O-ring (9) is located.
2. The metal connector of claim 1, wherein The outer periphery of the socket base shell (2) is also provided with two annular grooves, a first O-ring (3) and a second O-ring (4) being arranged in the two annular grooves respectively, and the socket base shell (2) is fixed in the socket shell (6) by a first clamping spring (1).
3. The metal connector of claim 2, wherein, The second end inside the socket shell (6) is provided with a clamping portion, a first elastic member (5) being arranged between the socket base shell (2) and the sealing ring (11), and the first elastic member (5) cooperates with the clamping portion to fix the sealing ring (11).
4. The metal connector of claim 3, wherein The second end of the socket shell (6) is provided with a push-pull ring (14), a second elastic member (13) being arranged between the push-pull ring (14) and the socket shell (6), and the push-pull ring (14) is clamped to the socket shell (6) by a second clamping spring (15).
5. The metal connector of claim 4, wherein, The connecting portion of the first end and the second end of the socket shell (6) is provided with an annular groove, the inner periphery of one end of the push-pull ring (14) facing the socket shell (6) has the same size as the outer periphery of the first end of the socket shell (6), and the inner periphery of the other end of the push-pull ring (14) facing away from the socket shell (6) has the same size as the outer periphery of the second end of the socket shell (6).
6. The metal connector of claim 5, wherein, The inside of the sealing ring (11) is provided with a waterproof ring (12), the outer periphery of the waterproof ring (12) is provided with a protruding portion (124), and the protruding portion (124) includes a chamfered portion and a non-chamfered portion.
7. The metal connector of claim 6, wherein, The inner periphery of the waterproof ring (12) is provided with a first protruding rib (121), a second protruding rib (122) and a bevel (123), the first protruding rib (121) and the second protruding rib (122) are distributed in a stepped manner, and the bevel (123) is in contact with the end of the second protruding rib (122).
8. The metal connector according to any one of claims 1 to 7, characterized in that, A plurality of perforations are uniformly arranged on the second end of the socket shell (6), and a steel ball (7) is arranged in each perforation.
9. A fluid transfer device comprising a metal connector, characterized in that, The metal connector is as claimed in any one of claims 1 to 8.