Hose joint with same and different diameters and capable of being quickly connected

Abstract

The utility model relates to the technical field of pipeline joints, in particular to a same-diameter and different-diameter hose joint capable of being quickly connected, which comprises a tubular body, a lug boss, an extrusion part and two nuts, a first hose inserting groove for inserting a hose is formed in the end face of the tubular body, an extrusion groove for inserting an extrusion piece is formed in the end face of the end, away from the first hose inserting groove, of the protruding part, and the extrusion piece is driven to slide towards the groove bottom of the extrusion groove when the nut is screwed down. The first hose inserting grooves are formed in the two ends of the tubular body, the protruding parts are arranged on the outer side faces of the two ends of the tubular body, the extruding grooves are formed in the protruding parts, the extruding pieces are arranged to be inserted into the extruding grooves, the nuts and the blocking pieces are arranged to push the extruding pieces, the extruding grooves are opened through the extruding pieces, and then the first hose inserting grooves and hoses are extruded and fixed. When the hose is connected, the hose can be fixed only by inserting the hose into the second hose slot and then tightening the nut, so that the quick connection of the hose is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline joint technical field more specifically, relate to a same and different diameter hose joint of quick -witted. BACKGROUND

[0002] PVC fiber reinforced hose in daily use process, sometimes meet the hose own length is not enough, need to splice hose again to satisfy length requirement condition. For this, there are many hose connecting joints on the market, most of which are split type structures, including one-way hose joints and nipple quick connectors. When connecting the hose, the screw cap needs to be first threaded through the hose, then the inner tube of the hose is sleeved on the inner core of the tubular body, and finally the screw cap is connected to the tubular body by screwing to continuously compress the hose with the compression part, so that the hose is not easy to fall off. After the connection process of the hose and the one-way hose joint is completed, the female connector of the one-way hose joint is connected to the male connector of the nipple quick connector by compression buckling, so that the two hoses can be spliced together through the hose connecting joint. However, this split type hose connecting joint has the problems of too many accessories, complex production process and troublesome hose connection operation. At the same time, the existing hose joint can only connect a single diameter hose, which is limited in use. When connecting hoses of different diameters, the hose joint needs to be replaced, which is also troublesome. SUMMARY

[0003] The utility model discloses to overcome the defect that the operation is more troublesome when connecting the hose in the prior art, provide a same and different diameter hose joint of quick -witted, optimize the connecting structure, reduce the operation step, promote the hose connection speed.

[0004] To solve the above technical problems, the utility model adopts the technical scheme: a same and different diameter hose joint of quick -witted, include: tubular body, the convex part that sets up respectively in the tubular body both ends, extrusion piece and 2 screw caps that set up respectively on the tubular body, the inside of screw cap is equipped with internal thread, the convex part is around the tubular body setting and is equipped with the external thread with the internal thread cooperation on the outside face, the end face of the tubular body is equipped with the first hose insertion slot for inserting the hose, the end face of the convex part away from the first hose insertion slot one end is equipped with the extrusion groove for inserting the extrusion piece, the extrusion groove is the conical annular groove, the inside face and the outside face of the extrusion piece are all the conical arc surface with the conical annular groove cooperation, the end of screw cap is equipped with the baffle, the baffle inner diameter is less than the convex part outer diameter and with the extrusion piece end portion abuts, when the screw cap is tightened, the extrusion piece is driven to slide towards the groove bottom of the extrusion groove, when the extrusion piece slides towards the groove bottom of the extrusion groove, the first hose insertion slot is extruded.

[0005] The water flow channel is arranged at the axis of the tubular body, and the outer side surfaces at the two ends are respectively provided with protruding portions, and the two end surfaces are respectively provided with first hose insertion slots. Specifically, the protruding portions are integrally arranged with the tubular body, and the first hose insertion slots are arranged at the axial projection of the tubular body or at the axial projection of the protruding portions. The first hose insertion slots are used for inserting external hoses. In order to fix the hoses, an extrusion groove is arranged at one end of the protruding portion away from the end surface of the tubular body. An extrusion piece is inserted into the extrusion groove. A nut is arranged in threaded connection with the protruding portion. The end of the nut away from the end surface of the tubular body is further provided with a baffle. When the nut is tightened, the baffle abuts against the extrusion piece and pushes the extrusion piece to be inserted into the extrusion groove. The extrusion piece is used for expanding the extrusion groove, so as to extrude the first hose insertion slot, narrow the first hose insertion slot, extrude and fix the external hose in the first hose insertion slot, and then complete the connection of the hose. During the connection process, the hose is directly inserted into the first hose insertion slot, and then the nut is tightened to fix the hose. The nut does not need to be worn on the hose, thereby saving the operation steps, improving the hose connection speed, and realizing the quick connection of the hose.

[0006] The protruding portion is arranged around the tubular body as a whole, and can be arranged in a circular ring shape, or an axial through groove is arranged on the basis of the circular ring shape, the protruding portion is broken into a plurality of fan ring shapes, the extrusion groove and the first hose insertion slot are more easily deformed, and the fixing effect is better. The extrusion piece is arranged in the extrusion groove, specifically an arc-shaped block with a tapered arc surface in a fan ring shape, and is inserted into the extrusion groove during use. The end of the nut is provided with a baffle in a fan ring shape. The baffle abuts against the extrusion piece and drives the extrusion piece to move. The baffle can be arranged in detachable connection with the nut. At this time, the nut can be a complete circular ring piece. The baffle and the nut can be integrally arranged. At this time, the nut can be assembled first, and then the baffle is welded at the end of the nut by ultrasonic welding or hot melting welding. Related production molds can also be designed. The nut is sleeved on the mold for injection molding of the tubular body, or the tubular body is first injection molded, and then the nut and the baffle are injection molded on the basis of the tubular body, thereby solving the mounting problem of the nut and the baffle. Specifically, the tubular body is made of hard plastic material, and the extrusion piece, the nut and the baffle are made of hard plastic material or metal material.

[0007] Preferably, a second hose insertion slot is arranged on the end surface of the tubular body, and the extrusion groove is arranged between the first hose insertion slot and the second hose insertion slot.

[0008] The second hose slot is arranged so that the hose joint has two different specifications of hose slots on each side, and any one of the two specifications of hoses can be connected on each side, which not only enriches the functionality of the product, but also improves the competitiveness of the product in the market, and is more convenient to use. Specifically, the extrusion groove is located between the first hose slot and the second hose slot, so that the extrusion piece can extrude the first hose slot and the second hose slot at the same time, and the hose inserted in any one of the slots can be extruded and fixed.

[0009] Preferably, the overall diameter of the second hose slot is smaller than that of the first hose slot, and the depth of the second hose slot is smaller than that of the first hose slot.

[0010] The second hose slot is deeper than the first hose slot, so that the two slots are staggered, and more extrusion force can be provided for the second hose slot when the hose is connected alone, thereby improving the connection stability.

[0011] Preferably, the extrusion piece is a semicircular ring-shaped piece, and the two extrusion pieces can be abutted and spliced into a complete circular ring-shaped piece.

[0012] Two extrusion pieces are arranged in a single extrusion groove, and the two extrusion pieces are abutted and spliced into a complete circular ring, thereby filling the extrusion groove and improving the extrusion effect.

[0013] Preferably, the end of the extrusion piece is provided with a flange, and the flange abuts against the baffle.

[0014] The end of the extrusion piece is provided with a flange, which increases the contact area with the baffle, makes the abutment more stable, and at the same time increases the diameter of the end of the extrusion piece, thereby the inner diameter of the baffle can be correspondingly increased, which is more beneficial to integral injection molding.

[0015] Preferably, the screw cap includes a first semicircular cap and a second semicircular cap detachably connected with the first semicircular cap, the first semicircular cap and the second semicircular cap are both semicircular ring-shaped pieces, and the baffle is semicircular ring-shaped and integrally arranged with the first semicircular cap and the second semicircular cap.

[0016] The first semicircular cap and the second semicircular cap are both semicircular ring-shaped pieces, which are separately injection molded and then connected and fixed, thereby reducing the design cost of the production mold, and also making the hose joint detachable for convenient maintenance. At this time, the baffle can be integrally arranged with the first semicircular cap or the second semicircular cap. The specific connection mode of the first semicircular cap and the second semicircular cap can adopt a detachable connection by a hoop, or a detachable connection by a clamp plate cooperating with a screw, or a detachable buckle connection.

[0017] Preferably, it further includes a fastening screw, and the first semicircular cap and the second semicircular cap are detachably connected by the fastening screw.

[0018] Preferably, a plurality of axial protrusions are arranged on the outer sides of the first and second semicircular caps, and the axial protrusions are arranged at the edges of the first and second semicircular caps, respectively, and the fastening screws are arranged on the axial protrusions at the edges.

[0019] The axial protrusions are used to increase the gripping friction, and the fastening screws are arranged on the axial protrusions at the edges, thereby increasing the product aesthetics.

[0020] Preferably, a guide arc is arranged at the edges of the first and second hose insertion grooves, respectively.

[0021] The guide arc is arranged to facilitate the alignment of the hose.

[0022] Preferably, the internal thread and the external thread are square threads or trapezoidal threads.

[0023] Compared with the prior art, the utility model has the beneficial effects that:

[0024] 1. The first hose insertion groove is arranged at the two ends of the tubular body, the protruding portions are arranged on the outer sides of the two ends of the tubular body, the extrusion grooves are arranged on the protruding portions, the extrusion pieces are inserted into the extrusion grooves, the nuts and the stop pieces are arranged to push the extrusion pieces, the extrusion pieces are expanded to open the extrusion grooves, and then the extrusion and fixing of the first hose insertion groove and the hose are realized, when the hose is connected, the hose is only inserted into the second hose insertion groove, and then the nut is tightened, so that the hose is fixed, and then the quick connection of the hose is realized.

[0025] 2. The second hose insertion groove is arranged on the end face of the tubular body, and the extrusion groove is arranged between the first hose insertion groove and the second hose insertion groove, so that the extrusion piece can extrude the first hose insertion groove and the second hose insertion groove at the same time, the same-diameter and different-diameter hose joint can be connected to different-diameter hoses on one side, and the use effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 It is a whole structure schematic view of a same-diameter and different-diameter hose joint capable of being quickly connected.

[0027] Fig. 2 It is an exploded view of a same-diameter and different-diameter hose joint capable of being quickly connected.

[0028] Fig. 3 It is an internal structure schematic view of a same-diameter and different-diameter hose joint capable of being quickly connected.

[0029] In the figure: 1. Tubular body; 2. Protrusion; 3. Extrusion part; 4. Nut; 5. First hose slot; 6. Extrusion groove; 7. Baffle; 8. Second hose slot; 9. Flange; 10. First semi-circular cap; 11. Second semi-circular cap; 12. Fastening screw; 13. Axial protrusion. Detailed Implementation

[0030] The accompanying drawings are for illustrative purposes only and should not be construed as limiting this patent. To better illustrate this embodiment, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings. The positional relationships described in the drawings are for illustrative purposes only and should not be construed as limiting this patent.

[0031] In the accompanying drawings of this utility model, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," "right," "long," and "short" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0032] The technical solution of this utility model will be further described in detail below through specific embodiments and with reference to the accompanying drawings:

[0033] Example 1

[0034] like Figs. 1-3 As shown, a quick-connecting hose connector with different diameters includes: a tubular body 1, protrusions 2 respectively disposed at both ends of the tubular body 1, extrusion members 3 respectively disposed on the tubular body 1, and two nuts 4; the nuts 4 have internal threads on their inner sides, the protrusions 2 are arranged around the tubular body 1 and have external threads on their outer sides that mate with the internal threads, the end face of the tubular body 1 has a first hose slot 5 for inserting a hose, the end face of the protrusions 2 away from the first hose slot 5 has an extrusion groove 6 for inserting the extrusion members 3, the extrusion groove 6 is a conical annular groove, the inner and outer sides of the extrusion members 3 are both conical arc surfaces that mate with the conical annular groove, the end of the nuts 4 has a baffle 7, the inner diameter of the baffle 7 is smaller than the outer diameter of the protrusions 2 and abuts against the end of the extrusion members 3, when the nuts 4 are tightened, the extrusion members 3 are driven to slide toward the bottom of the extrusion groove 6, and when the extrusion members 3 slide toward the bottom of the extrusion groove 6, they extrude the first hose slot 5.

[0035] The tubular body 1 is provided with a water flow channel at the axis, and the outer side of the two ends is respectively provided with a protruding part 2, and the two end faces are respectively provided with a first hose insertion slot 5. Specifically, the protruding part 2 is integrally arranged with the tubular body 1, and the first hose insertion slot 5 is located at the axial projection of the tubular body 1 or the axial projection of the protruding part 2. The first hose insertion slot 5 is used for inserting an external hose. In order to realize the fixation of the hose, an extrusion groove 6 is arranged at one end of the protruding part 2 away from the end face of the tubular body 1. An extrusion piece 3 is inserted into the extrusion groove 6, and a nut 4 is threadedly connected with the protruding part 2. The end of the nut 4 away from the end face of the tubular body 1 is further provided with a baffle 7. When the nut 4 is tightened, the baffle 7 abuts against the extrusion piece 3 and pushes the extrusion piece 3 to be inserted into the extrusion groove 6. The extrusion piece 3 is used for expanding the extrusion groove 6, thereby extruding the first hose insertion slot 5, narrowing the first hose insertion slot 5, extruding and fixing the external hose in the first hose insertion slot 5, and completing the connection of the hose. In the connection process, the hose is directly inserted into the first hose insertion slot 5, and then the nut 4 is tightened to realize the fixation of the hose. The nut 4 does not need to be worn on the hose, thereby saving the operation steps, improving the hose connection speed, and realizing the quick connection of the hose.

[0036] The protruding part 2 is arranged around the tubular body and can be in the form of a circular ring or a plurality of fan rings formed by providing axial through grooves in the circular ring. The extrusion groove 6 and the first hose insertion slot 5 are more easily deformed, and the fixation effect is better. The extrusion piece 3 is arranged in the extrusion groove 6 and is in the form of an arc-shaped block with a tapered arc surface. The baffle 7 is arranged at the end of the nut 4 and is in the form of a fan ring. The baffle 7 abuts against the extrusion piece 3 and drives the extrusion piece 3 to move. The baffle 7 can be detachably connected with the nut 4. In this case, the nut 4 can be a complete circular ring. The baffle 7 and the nut 4 can be integrally arranged. In this case, the nut 4 can be assembled first, and then the baffle 7 is welded at the end of the nut 4 by ultrasonic welding or hot melting welding. Alternatively, a related production mold can be designed to first injection-mold the integrated nut 4 and baffle 7 in the form of a circular ring, then injection-mold the tubular body 1 with the nut 4 sleeved on the mold, or first injection-mold the tubular body 1 and then injection-mold the integrated nut 4 and baffle 7 on the basis of the tubular body 1, thereby solving the mounting problem of the nut 4 and the baffle 7. Specifically, the tubular body 1 is made of hard plastic material, and the extrusion piece 3, the nut 4 and the baffle 7 are made of hard plastic material or metal material.

[0037] The beneficial effects of the embodiment are as follows: the first hose insertion slot 5 is arranged at the two ends of the tubular body 1, the protruding part 2 is arranged on the outer side of the two ends of the tubular body 1, the extrusion slot 6 is arranged on the protruding part 2, the extrusion piece 3 is arranged to be inserted into the extrusion slot 6, the nut 4 and the stopper 7 are arranged to push the extrusion piece 3, the extrusion piece 3 is arranged to be expanded to the extrusion slot 6, and then the extrusion and fixing of the first hose insertion slot 5 and the hose are realized. When the hose is connected, the hose is only needed to be inserted into the second hose insertion slot 8, and then the nut 4 is tightened, so that the hose is fixed, and then the quick connection of the hose is realized.

[0038] Embodiment 2

[0039] The embodiment is further limited on the basis of the embodiment 1, and the difference from the embodiment 1 is that:

[0040] As shown in Figs. 1-3 , the second hose insertion slot 8 is arranged on the end face of the tubular body 1, and the extrusion slot 6 is located between the first hose insertion slot 5 and the second hose insertion slot 8. The overall diameter of the second hose insertion slot 8 is smaller than that of the first hose insertion slot 5, and the depth of the second hose insertion slot 8 is smaller than that of the first hose insertion slot 5. The extrusion piece 3 is a semicircular ring-shaped piece, and two extrusion pieces 3 can be abutted and spliced into a complete circular ring-shaped piece. The end of the extrusion piece 3 is provided with a flange 9, and the flange 9 abuts against the stopper 7.

[0041] The second hose insertion slot 8 is arranged, so that the hose connector has two different specifications of hose insertion slots on one side, and any one of the two specifications of hoses can be connected on one side. This not only enriches the functionality of the product, but also improves the competitiveness of the product in the market, and is more convenient to use. Specifically, the extrusion slot 6 is located between the first hose insertion slot 5 and the second hose insertion slot 8, so that the extrusion piece 3 can extrude the first hose insertion slot 5 and the second hose insertion slot 8 at the same time, and the hose inserted into any one of the slots can be extruded and fixed. The second hose insertion slot 8 is deeper than the first hose insertion slot 5, so that the two insertion slots are staggered, and more extrusion force can be provided for the second hose insertion slot 8 when the hose is connected alone, so as to improve the connection stability. Two extrusion pieces 3 are arranged in a single extrusion slot 6, and the two extrusion pieces 3 are abutted and spliced into a complete circular ring shape, so as to fill the extrusion slot 6 and improve the extrusion effect. The end of the extrusion piece 3 is provided with a flange 9, so as to increase the contact area with the stopper 7, the abutment is more stable, and the diameter of the end of the extrusion piece 3 is also increased, so as to correspondingly increase the inner diameter of the stopper 7, which is more beneficial to integral injection molding.

[0042] The remaining features and working principles of the embodiment are consistent with those of the embodiment 1.

[0043] Embodiment 3

[0044] The embodiment 1 or the embodiment 2 is further limited on the basis of the embodiment 1 or the embodiment 2, and the difference is that:

[0045] As Figs. 1-3 shown, the nut 4 includes a first half-circular cap 10 and a second half-circular cap 11 detachably connected with the first half-circular cap 10, the first half-circular cap 10 and the second half-circular cap 11 are both half-circular ring-shaped members, the baffle 7 is also half-circular ring-shaped, and is integrally arranged with the first half-circular cap 10 and the second half-circular cap 11 respectively. A fastening screw 12 is further included, the first half-circular cap 10 and the second half-circular cap 11 are detachably connected through the fastening screw 12. A plurality of axial ribs 13 are arranged on the outer side surfaces of the first half-circular cap 10 and the second half-circular cap 11, the axial ribs 13 are arranged at the edges of the first half-circular cap 10 and the second half-circular cap 11 respectively, and the fastening screw 12 is arranged on the axial rib 13 at the edge. The opening edges of the first hose slot 5 and the second hose slot 8 are respectively provided with guide arc surfaces. The internal thread and the external thread are both square threads or trapezoidal threads.

[0046] The first half-circular cap 10 and the second half-circular cap 11 are both half-circular ring-shaped members, which are separately injection molded and then connected and fixed with each other, thereby reducing the design cost of the production mold, and also enabling the hose joint to be detachable for convenient maintenance. At this time, the baffle 7 can be integrally arranged with the first half-circular cap 10 or the second half-circular cap 11. The specific connection mode of the first half-circular cap 10 and the second half-circular cap 11 can adopt a detachable connection through a hoop, or a detachable connection through a clamping plate cooperating with a screw, or a detachable buckle connection. The axial ribs 13 are used to increase the gripping friction, and at the same time, the fastening screw 12 is also arranged on the axial rib 13 at the edge, thereby increasing the product appearance. Further, a metal thread sleeve is arranged at the connection of the fastening screw 12, thereby improving the connection stability. The guide arc surfaces are arranged for facilitating the alignment of the hose.

[0047] The remaining working principles and working processes of the embodiment are consistent with those of the embodiment 1 or the embodiment 2.

[0048] In the specific contents of the above specific embodiments, each technical feature can be combined arbitrarily without contradiction. In order to make the description simple, all possible combinations of the above technical features are not described, but as long as the combinations of the technical features do not contradict, they should be considered as within the scope of the present disclosure.

[0049] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For ordinary skilled persons in the art, other different forms of changes or modifications can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A quick-connecting hose fitting for both same and different diameters, characterized in that, include: A tubular body (1), protrusions (2) respectively disposed at both ends of the tubular body (1), extrusion parts (3) respectively disposed on the tubular body (1), and two nuts (4); the nuts (4) are provided with internal threads on their inner sides, the protrusions (2) are disposed around the tubular body (1) and are provided with external threads on their outer sides that mate with the internal threads, the end face of the tubular body (1) is provided with a first hose slot (5) for inserting a hose, and the end face of the protrusions (2) away from the first hose slot (5) is provided with a tool for inserting the extrusion parts. (3) The extrusion groove (6) is a conical annular groove. The inner and outer surfaces of the extrusion member (3) are conical arc surfaces that cooperate with the conical annular groove. The end of the nut (4) is provided with a baffle (7). The inner diameter of the baffle (7) is smaller than the outer diameter of the protrusion (2) and abuts against the end of the extrusion member (3). When the nut (4) is tightened, it drives the extrusion member (3) to slide toward the bottom of the extrusion groove (6). When the extrusion member (3) slides toward the bottom of the extrusion groove (6), it extrudes the first hose slot (5).

2. The quick-connectable flexible hose connector according to claim 1, characterized in that: It also includes a second hose slot (8) disposed on the end face of the tubular body (1), and the compression groove (6) is located between the first hose slot (5) and the second hose slot (8).

3. The quick-connectable flexible hose connector according to claim 2, characterized in that: The overall diameter of the second hose slot (8) is smaller than that of the first hose slot (5), and the depth of the second hose slot (8) is smaller than that of the first hose slot (5).

4. A quick-connecting flexible hose connector according to claim 1, characterized in that: The extrusion piece (3) is a semi-circular ring, and two extrusion pieces (3) can be joined together to form a complete circular ring.

5. A quick-connecting flexible hose connector according to claim 4, characterized in that: The end of the extrusion piece (3) is provided with a flange (9), which abuts against the baffle (7).

6. A quick-connecting flexible hose connector according to claim 1, characterized in that: The nut (4) includes a first semi-circular nut (10) and a second semi-circular nut (11) detachably connected to the first semi-circular nut (10). The first semi-circular nut (10) and the second semi-circular nut (11) are both semi-circular ring-shaped parts. The baffle (7) is semi-circular ring-shaped and is integrally formed with the first semi-circular nut (10) and the second semi-circular nut (11) respectively.

7. A quick-connecting flexible hose connector according to claim 6, characterized in that: It also includes a fastening screw (12), and the first semi-circular cap (10) and the second semi-circular cap (11) are detachably connected by the fastening screw (12).

8. A quick-connecting flexible hose connector according to claim 7, characterized in that: The first semi-circular cap (10) and the second semi-circular cap (11) are provided with a plurality of axial protrusions (13) on their outer surfaces. The first semi-circular cap (10) and the second semi-circular cap (11) are respectively provided with the axial protrusions (13) at their edges. The fastening screw (12) is provided on the axial protrusions (13) located at the edges.

9. A quick-connecting flexible hose connector according to claim 2, characterized in that: The opening edges of the first hose slot (5) and the second hose slot (8) are respectively provided with guide arc surfaces.

10. A quick-connecting flexible hose connector according to claim 1, characterized in that: Both the internal thread and the external thread are square threads or trapezoidal threads.

Images