Drawing faucet

Abstract

The utility model relates to the technical field of drawing in kitchen and bathroom faucet pipes, in particular to a drawing faucet which comprises an outer pipe, an inner pipe, a spring and a water outlet head, the inner pipe is arranged in a cavity of the outer pipe in a drawing mode, the inner pipe is provided with a first end and a second end, the first end is communicated with a water inlet pipe, the second end is communicated with the water outlet head, and the outer pipe is provided with a third end and a fourth end. The third end is connected to the faucet body, the water outlet head is detachably embedded in the fourth end, an annular buckling groove is formed in the outer side of the second end of the inner pipe, and a rubber buckling sleeve is arranged in the fourth end. According to the drawing faucet, the rubber buckle sleeve is arranged at the fourth end, away from the faucet body, of the outer pipe, the rubber buckle sleeve is matched with the annular buckle groove in the outer side of the second end to lock the water outlet head to the end of the outer pipe, the complexity of producing and assembling the drawing faucet is reduced, and therefore the production efficiency is improved, and the cost is reduced; the anti-pressure capacity of the water outlet head can be improved by adopting the mode that the rubber opening sleeve is matched with the annular buckling groove, and the water outlet head is prevented from being brought out from the end of the outer pipe due to overlarge water pressure.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen and bathroom faucet pipe inside pull technology field especially, relate to a kind of pull faucet. BACKGROUND

[0002] Because pull faucet can change water direction at will, it is convenient for user to demand water in life, so it has been very widely used.China patent CN214618058U discloses a pipe-in-pipe pull faucet with strong pressure capacity, which is provided with a rubber sheath and a magnetic attraction structure at a position close to the faucet main body of the outer pipe. This position is inside the pull faucet, so it is more cumbersome to assemble and produce. SUMMARY

[0003] To achieve the above purpose, the utility model provides a kind of pull faucet, including outer pipe, inner tube, spring and water outlet head, the inner tube is pullably arranged in the cavity of the outer pipe, the inner tube has first end and second end, the first end is communicated with water inlet pipe, the second end is fixedly communicated with the water outlet head, the outer pipe has third end and fourth end, the third end is connected on faucet main body, the water outlet head is detachably embedded in the fourth end, the first bracket is fixedly sleeved on the first end, the second bracket is fixedly installed in the fourth end, the spring is sleeved on the inner tube, and one end of the spring is fixedly connected with the first bracket, and the other end is fixedly connected with the second bracket;The outer side of the second end is formed with annular buckle groove, the fourth end is provided with rubber buckle sleeve, and the water outlet head is fixedly embedded in the fourth end by cooperating with the annular buckle groove and the rubber buckle sleeve.

[0004] In some possible embodiments, the fourth end is fixedly connected with a mounting sleeve, a connecting female thread, the rubber buckle sleeve, an inner bushing and a sealing sleeve are sequentially arranged in the mounting sleeve, an inner thread is arranged at the end of the mounting sleeve away from the outer pipe, the connecting female thread is fixedly connected with the mounting sleeve in a threaded manner, at least one first sealing ring is arranged on the inner side of the end of the sealing sleeve, and the inner tube can be pulled and moved relative to the sealing sleeve.

[0005] In some possible embodiments, the end of the rubber buckle sleeve is provided with a plurality of expansion claws distributed in a circumferential direction, and the inner bushing is sleeved on the rubber buckle sleeve, and a clearance groove is formed in the inner bushing and the position of the expansion claw.

[0006] In some possible embodiments, the end of the rubber buckle sleeve is provided with a plurality of notches uniformly distributed in a circumferential direction, so as to separate a plurality of expansion claws at the end of the rubber buckle sleeve.

[0007] In some possible embodiments, the rubber sleeve is arranged between the connecting female and the inner sleeve, and the rubber sleeve is fixedly sleeved on one end of the connecting female, and one end of the inner sleeve is fixedly sleeved on the rubber sleeve.

[0008] In some possible embodiments, the other end of the sealing sleeve is provided with at least one second sealing ring, and the outer side surface of the inner sleeve is provided with a sealing groove, and the second sealing ring is fixedly sleeved on the sealing groove.

[0009] In some possible embodiments, the connecting female is made of plastic, and the outer end of the inner ring of the connecting female is provided with a first guide surface, and the inner end is provided with a second guide surface.

[0010] The beneficial effects of the utility model lie in that the pull-out faucet sets a rubber sleeve on the fourth end of the outer pipe away from the faucet main body, and the rubber sleeve cooperates with the annular buckle groove on the outer side of the second end of the inner pipe to lock the water outlet head on the end of the outer pipe, which reduces the complexity of producing and assembling the pull-out faucet, improves the production efficiency and reduces the cost; and the cooperation of the rubber sleeve and the annular buckle groove can increase the compression resistance of the water outlet head and avoid the water outlet head from being taken out of the end of the outer pipe due to excessive water pressure. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed in the embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0012] Figure 1 The three-dimensional structure assembly drawing of the pull-out faucet provided in the embodiments of the utility model;

[0013] Figure 2 The cross-sectional structure drawing of the pull-out faucet in the unused state provided in the embodiments of the utility model;

[0014] Figure 3 The cross-sectional structure drawing of the pull-out faucet in the pulling state provided in the embodiments of the utility model;

[0015] Figure 4 The Figure 2 enlarged schematic view of A in the middle;

[0016] Figure 5 The three-dimensional structure drawing of the rubber sleeve and the inner sleeve provided in the embodiments of the utility model.

[0017] Reference numerals: outer tube 10, third end 11, fourth end 12, second bracket 121, mounting sleeve 13, connecting nut 14, first guide surface 141, second guide surface 142, rubber buckle 15, expansion claw 151, notch 152, inner liner 16, clearance groove 161, sealing groove 162, sealing sleeve 17, first sealing ring 171, second sealing ring 172, inner tube 20, first end 21, first bracket 211, second end 22, spring 30, water outlet 40, annular buckle groove 41, water inlet pipe 50. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Reference Figures 1 to 4 The pull-out faucet shown includes an outer tube 10, an inner tube 20, a pull-out head, and a spring 30. The inner tube 20 is retractably disposed within the cavity of the outer tube 10 and has a first end 21 and a second end 22. The outer tube 10 has a third end 11 and a fourth end 12. The third end 11 is fixedly mounted on the faucet body, and the water outlet 40 is detachably embedded in the fourth end 12. In the non-use state, the first end 21 is located within the third end 11 and is connected to a water inlet pipe 50. The second end 22 is fixedly connected to the water outlet 40. A first bracket 211 is fixedly sleeved on the first end 21, and a second bracket 121 is fixedly installed within the fourth end 12. The spring 30... The outlet head 40 is fitted onto the inner tube 20, and its two ends are respectively fixedly connected to the first bracket 211 and the second bracket 121. When the inner tube 20 is pulled out with the outlet head 40, it can drive the first bracket 211 to move closer to the second bracket 121 in the cavity of the outer tube 10 to compress the spring 30. The outer surface of the second end 22 has an annular groove 41, and the fourth end 12 is provided with a rubber sleeve 15. When the outlet head 40 is fitted into the fourth end 12, the rubber sleeve 15 is fastened in the annular groove 41 so that the outlet head 40 is fixedly connected to the outer tube 10. The outlet head 40 can be pulled out by hand to separate the annular groove 41 from the rubber sleeve 15. This utility model places the rubber buckle 15 at the fourth end 12 of the outer tube 10, which is far away from the faucet body. This facilitates assembly and production, reduces production costs, and uses the structure of the rubber buckle 15 cooperating with the annular buckle groove 41 to fix the water outlet 40. This can increase the pressure resistance of the water outlet 40 and avoid the problem of the water outlet 40 being forced out of the fourth end 12 due to excessive water pressure or the unstable connection between the water outlet 40 and the fourth end 12 after long-term use.

[0020] In some possible embodiments, the fourth end 12 is fixedly connected with a mounting sleeve 13, a connecting female 14, a rubber sleeve 15, an inner sleeve 16 and a sealing sleeve 17 are sequentially arranged in the mounting sleeve 13, one end of the mounting sleeve 13 is fixedly connected with the fourth end 12 by sleeving or threading, the other end of the mounting sleeve 13 is provided with an internal thread, the connecting female 14 is fixedly connected with the mounting sleeve 13 by screwing, the rubber sleeve 15 is fixedly sleeved on the connecting female 14, and the inner sleeve 16 is sleeved on the rubber sleeve 15; in the embodiment, the connecting female 14 and the rubber sleeve 15, and the inner sleeve 16 and the rubber sleeve 15 are fixedly connected by the material properties of the rubber sleeve 15; one end of the sealing sleeve 17 is fixedly connected with the inner sleeve 16, and the other end of the sealing sleeve 17 is sleeved on the inner tube 20; the inner side of the sealing sleeve 17 is provided with at least one first sealing ring 171, the sealing ring is always in abutment with the outer wall of the inner tube 20, and when the inner tube 20 is pulled out of or retracted from the cavity of the outer tube 10, the sealing sleeve 17 is always in sealing connection with the outer wall of the inner tube 20 through the first sealing ring 171, so that water leakage is avoided.

[0021] In some possible embodiments, as shown in Figure 5 the rubber sleeve 15 is provided with a plurality of expansion claws 151 distributed in the circumferential direction at one end, the inner wall of the inner sleeve 16 is provided with a recess 161, the expansion claws 151 are located in the recess 161 when the water outlet head 40 is received in the fourth end 12, and the expansion claws 151 can be forced to elastically expand by the side wall of the annular buckle groove 41 when the water outlet head 40 is pulled out of the fourth end 12, so that the water outlet head 40 can be separated from the fourth end 12; when the water outlet head 40 is retracted, the expansion claws 151 are forced to elastically expand by the elastic restoring force of the spring 30, so that the expansion claws 151 pass over the side wall of the annular buckle groove 41 and are finally located in the annular buckle groove 41.

[0022] In some possible embodiments, the rubber sleeve 15 is provided with a plurality of notches 152 distributed in the axial direction at one end, the plurality of notches 152 separate the one end of the rubber sleeve 15 into a plurality of expansion claws 151, so as to ensure that the expansion claws 151 can expand to unlock the water outlet head 40 and the fourth end 12 when the expansion claws 151 are pressed.

[0023] In some possible embodiments, the other end of the sealing sleeve 17 is provided with at least one second sealing ring 172, the outer side of the inner sleeve 16 is provided with the sealing sleeve 17, and the second sealing ring 172 is fixedly sleeved on a sealing groove 162, so that the sealing sleeve 17 is in sealing connection with the inner sleeve 16, and the sealing property between the inner tube 20 and the outer tube 10 is further ensured.

[0024] In some possible embodiments, the connecting nipple 14 is made of plastic, and the outer end of the inner ring of the connecting nipple 14 is provided with a first guide surface 141, and the inner end is provided with a second guide surface 142, which aims to accurately guide the outlet head 40 to be placed into the fourth end 12 when the outlet head 40 is retracted to the reset position.

[0025] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any change or replacement within the technical scope disclosed by the present application should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A pull-out faucet, comprising an outer pipe (10), an inner pipe (20), a spring (30) and a water outlet head (40), the inner pipe (20) being arranged in the cavity of the outer pipe (10) in a pull-out manner, the inner pipe (20) having a first end (21) and a second end (22), the first end (21) being connected to a water inlet pipe (50), the second end (22) being fixedly connected to the water outlet head (40), the outer pipe (10) having a third end (11) and a fourth end (12), the third end (11) being connected to a faucet body, the water outlet head (40) being detachably embedded in the fourth end (12), characterized in that: a first bracket (211) is fixedly sleeved on the first end (21), a second bracket (121) is fixedly arranged in the fourth end (12), and the spring (30) is sleeved on the inner pipe (20) and fixedly connected to the first bracket (211) at one end and to the second bracket (121) at the other end; an annular buckle groove (41) is formed on the outer side of the second end (22), a rubber buckle sleeve (15) is arranged in the fourth end (12), and the water outlet head (40) is fixedly embedded in the fourth end (12) by cooperation of the rubber buckle sleeve (15) and the annular buckle groove (41). The fourth end (12) is fixedly connected with a mounting sleeve (13), the mounting sleeve (13) is sequentially provided with a connecting female thread (14), the rubber buckle sleeve (15), an inner bushing (16) and a sealing sleeve (17) from inside to outside, one end of the mounting sleeve (13) away from the outer pipe (10) is provided with an internal thread, the connecting female thread (14) is fixedly connected with the mounting sleeve (13) in a threaded manner, one end of the sealing sleeve (17) is sleeved on the inner pipe (20) and provided with at least one first sealing ring (171) on the inner side, and the inner pipe (20) can be pulled out and moved relative to the sealing sleeve (17).

2. A pull tap according to claim 1, wherein One end of the rubber buckle sleeve (15) is provided with a plurality of expansion claws (151) distributed in a circumferential direction, and the inner bushing (16) is sleeved on the rubber buckle sleeve (15) and formed with a displacement groove (161) inside the rubber buckle sleeve (15) and the expansion claws (151).

3. A pull tap according to claim 2, wherein One end of the rubber buckle sleeve (15) is provided with a plurality of notches (152) distributed in a circumferential direction, so as to separate a plurality of expansion claws (151) at one end of the rubber buckle sleeve (15).

4. A pull tap according to claim 3, wherein The rubber buckle sleeve (15) is arranged between the connecting female thread (14) and the inner bushing (16), one end of the rubber buckle sleeve (15) is fixedly sleeved on the connecting female thread (14), and one end of the inner bushing (16) is fixedly sleeved on the rubber buckle sleeve (15).

5. A pull tap according to claim 2, wherein The other end of the sealing sleeve (17) is provided with at least one second sealing ring (172), and the outer side of the inner bushing (16) is provided with a sealing groove (162), and the second sealing ring (172) is fixedly sleeved on the sealing groove (162).

6. A pull tap according to claim 2, wherein ​ 7. A pull tap according to claim 2, wherein The connecting female (14) is made of plastic, and a first guide surface (141) is arranged at the outer end of the inner ring of the connecting female (14), and a second guide surface (142) is arranged at the inner end of the inner ring of the connecting female (14).

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