Portable coiled pipe and spray gun set

Abstract

The utility model provides a portable coiled pipe and spray gun set, and relates to the technical field of joint devices, the portable coiled pipe and spray gun set comprises a spray gun and a coiled pipe, a quick connection assembly is connected between the spray gun and the coiled pipe, the quick connection assembly comprises a male joint and a female joint, and the male joint and the female joint are provided with sealing mechanisms which are symmetrically arranged. The sealing mechanism comprises a positioning ring, an inner supporting sleeve, a sealing valve rod, a sealing spring and a clamping and locking assembly, a sealing frustum is arranged at the front end of the sealing valve rod, a sealing conical surface is integrally formed inwards on the inner wall of the front end of the female connector, and the clamping and locking assembly comprises a clamping and locking sliding rod, a positioning frustum, a sliding frustum, a clamping and locking spring and a sliding clamping block. A guide beam extending inwards is arranged on the inner wall of the positioning ring, the sliding clamping block is connected to the guide beam in a sliding mode, and a displacement spring is connected between the sliding clamping block and the guide beam. According to the utility model, the sealing valve rod can be clamped and locked through the sliding clamping block by pressing the sealing valve rod, so that the quick connection assembly is kept in a long through state.

Description

TECHNICAL FIELD

[0001] The utility model relates to joint device technical field, concretely is a portable flexible hose and spray gun set. BACKGROUND

[0002] Portable flexible hose is composed of high elasticity inner core and soft but solid outer core, is widely used in family horticulture, car washing, outdoor cleaning etc. scene, its portable, easy to store characteristics are deeply favored by the user. When portable flexible hose and spray gun set are matched with locking self-sealing joint, the convenience, cleanliness and equipment life of garden watering experience can be significantly improved.

[0003] In the use process, the spray gun set needs to be frequently replaced according to the use scene, and the locking self-sealing joint will be frequently inserted and pulled out, which will cause the male head and female head to be forcibly inserted when not aligned, causing the valve rod to break and be missing, and further causing the locking function to fail, which cannot be unlocked. When there is no replacement joint temporarily, it will cause the normal use condition. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a portable flexible hose and spray gun set, which solves the problems raised in the above background art.

[0006] (II) technical scheme

[0007] To achieve the above purpose, the utility model realizes by the following technical scheme:

[0008] A portable flexible hose and spray gun set, comprising a spray gun and a flexible hose, a quick connecting assembly is connected between the spray gun and the flexible hose, the quick connecting assembly comprises a male joint fixed at the lower end of the spray gun and a female joint fixed at the end of the flexible hose, symmetrically arranged sealing mechanisms are arranged on the male joint and the female joint, the sealing mechanism comprises a positioning ring, an inner support sleeve, a sealing valve rod, a sealing spring and a locking assembly, the positioning ring is fixed on the inner wall of the female joint, the inner support sleeve is concentrically arranged on the inner side of the positioning ring, a plurality of rib plates are arranged between the positioning ring and the inner support sleeve, the sealing valve rod is slidably arranged on the inner wall of the inner support sleeve, a sealing cone is arranged at the front end of the sealing valve rod, the sealing spring is connected between the sealing cone and the inner support sleeve, a sealing cone surface is integrally formed inwardly on the front end inner wall of the female joint, the front side of the sealing cone abuts against the sealing cone surface, the front end of the sealing cone protrudes from the front side of the female joint, and the sealing cones on the male joint and the female joint abut against each other.

[0009] Preferably, the locking assembly comprises a locking slide rod, a positioning cone, a sliding cone, a locking spring and a sliding locking block, the locking slide rod is integrally formed at the rear end of the sealing valve rod, the positioning cone is fixed at the lower end of the locking slide rod, the sliding cone is slidably sleeved on the positioning cone, and the locking spring is in abutment between the positioning cone and the sliding cone.

[0010] Preferably, the conical surface of the positioning cone faces downward, the conical surface of the sliding cone faces upward, a displacement groove is formed in the side of the sliding cone facing the positioning cone, and the top of the locking spring is in abutment in the displacement groove.

[0011] Preferably, a guide beam extending inward is arranged on the inner wall of the positioning ring, a sliding sleeve is slidably sleeved on the guide beam, the sliding locking block is fixed at the front end of the sliding sleeve, a locking block inclined surface is arranged on the upper side of the sliding locking block, and a displacement spring is connected between the sliding sleeve and the inner wall of the positioning ring.

[0012] Preferably, an outer protruding ring is arranged at the lower end of the sealing valve rod, the outer protruding ring is slidably arranged on the inner wall of the inner supporting sleeve, an inner recessed ring is arranged at the top of the inner supporting sleeve, and the inner recessed ring is slidably sleeved on the outer wall of the sealing valve rod.

[0013] Preferably, a self-locking sleeve is slidably sleeved on the outer wall of the male connector, a self-locking spring is connected between the self-locking sleeve and the male connector, a self-locking hole is formed in the front side wall of the male connector in the circumferential direction, a self-locking ball is slidably arranged in the self-locking hole, a limiting ring is arranged at the lower side of the self-locking hole, the limiting ring is in abutment with the lower side of the self-locking ball, a step ring is arranged on the inner wall of the self-locking sleeve, the step ring is in abutment with the outer side of the self-locking ball, a self-locking ring groove is arranged on the outer wall of the female connector, and the self-locking ball is clamped in the self-locking ring groove.

[0014] (Three) beneficial effects

[0015] The utility model provides a portable serpentine pipe and spray gun set. It has the following beneficial effects:

[0016] 1、The step ring of the sliding self-locking sleeve can release the limitation of the self-locking ball in the utility model, the female connector can be smoothly inserted into the end of the male connector, the self-locking ring groove can be slid to the position right below the self-locking ball, the self-locking spring can reset the self-locking sleeve, the step ring is in abutment with the outer side of the self-locking ball, the self-locking ball can lock the self-locking ring groove of the female connector, the two sealing valve rods abut and slide backward, the sealing cone and the sealing conical surface are separated, and the male connector and the female connector are quickly connected and communicated.

[0017] 2, the utility model discloses when the sealing valve rod appears the condition of rupture, can press the sealing valve rod and slide in the inner support sleeve, until the positioning cone platform is contacted with the sliding block and makes it shrink back, until sliding to the upper side of positioning cone platform, the sliding block and the upper side of positioning cone platform are mutually clamped, realize the locking of sealing valve rod, make the male joint and female joint keep long open state.

[0018] 3, press the sealing valve rod again, and the lower side of the sliding cone platform is contacted in the clamping inclined plane of sliding block and makes it shrink again until sliding cone platform moves to the upper side of sliding cone platform, and the sliding block is reset and is contacted on the cone platform surface of sliding cone platform, under the action of sealing spring, sliding cone platform is pulled down, and sliding cone platform is contacted on the upper side of positioning cone platform, and the sliding block can pass positioning cone platform along the cone platform surface of sliding cone platform and smoothly separate, realize the unlocking of sealing valve rod, and can keep the male joint and female joint keep long closed state. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is structure schematic diagram of portable flexible pipe and spray gun set of the utility model,

[0020] Fig. 2 It is structure schematic diagram of the utility model's lock assembly,

[0021] Fig. 3 It is the section view of the utility model's lock assembly.

[0022] In the drawing: 1, male joint, 2, female joint, 3, self-locking ring, 4, self-locking sleeve, 5, step ring, 6, self-locking spring, 7, self-locking ball, 8, sealing cone surface, 9, positioning ring, 10, inner support sleeve, 11, sealing valve rod, 12, sealing spring, 13, sealing cone platform, 14, outer convex ring, 15, inner concave ring, 16, lock sliding rod, 17, positioning cone platform, 18, sliding cone platform, 19, lock spring, 20, sliding block, 21, guide beam, 22, sliding sleeve, 23, displacement spring. DETAILED DESCRIPTION

[0023] The technical scheme in the utility model embodiment will be clearly and completely described below with the drawings in the utility model embodiment.

[0024] The utility model embodiment provides a portable flexible pipe and spray gun set, such as Figs. 1-3As shown, including a spray gun and a serpentine pipe, the spray gun and the serpentine pipe are connected with a quick connection assembly, the quick connection assembly includes a male connector 1 fixed at the lower end of the spray gun and a female connector 2 fixed at the end of the serpentine pipe, the end of the male connector 1 is provided with a plug-in slot, the female connector 2 slides through the plug-in slot, the outer wall of the male connector 1 is integrally provided with a self-locking collar 3, the self-locking collar 3 is slidably sleeved with a self-locking sleeve 4, the inner wall of the self-locking sleeve 4 is provided with a stepped ring 5, the outer wall of the male connector 1 is sleeved with a self-locking spring 6, the both ends of the self-locking spring 6 abut between the self-locking collar 3 and the stepped ring 5, the front side of the sidewall of the male connector 1 is provided with a self-locking hole in the circumferential direction, the self-locking hole is slidably placed with a self-locking ball 7, the lower side of the self-locking hole is provided with a limiting ring, the limiting ring abuts the lower side of the self-locking ball 7, which can prevent the self-locking ball 7 from falling out of the self-locking hole, the stepped ring 5 abuts the outside of the self-locking ball 7, the outer wall of the female connector 2 is provided with a self-locking ring groove, the upper and lower sides of the self-locking ring groove are provided with sliding tapered surfaces, the upper side of the self-locking ring groove is provided with an outward convex ladder ring, the front side of the outward convex ladder ring is provided with an abutting inclined surface, the rear side of the outward convex ladder ring is flush with the sliding tapered surface, the self-locking ball 7 is clamped in the self-locking ring groove, the front side of the stepped ring 5 is provided with a self-locking tapered surface, sliding the self-locking sleeve 4 downward can slide the self-locking ball 7 in the self-locking hole by the self-locking tapered surface to slide inward and protrude inward from the lower side of the self-locking hole and abut in the self-locking ring groove to realize the locking of the male connector 1 and the female connector 2, sliding the self-locking sleeve 4 upward can make the stepped ring 5 upwardly avoid the self-locking ball 7, pulling the female connector 2 outward can push the self-locking ball 7 outward through the sliding tapered surface to realize the unlocking of the male connector 1 and the female connector 2, which can smoothly disassemble the male connector 1 and the female connector 2, realize the quick disassembly and installation of the male connector 1 and the female connector 2.

[0025] The inner wall of the female connector 2 is integrally formed with a sealing cone surface 8 facing inward. The inner wall of the male connector 1 is also integrally formed with a sealing cone surface 8 at the same position at the rear end of the insertion groove. The male connector 1 and female connector 2 are provided with symmetrically arranged sealing mechanisms. Each sealing mechanism includes a positioning ring 9, an inner support sleeve 10, a sealing valve stem 11, a sealing spring 12, and a locking assembly. The positioning ring 9 is fixed to the inner wall of the female connector 2, located behind the sealing cone surface 8. The inner support sleeve 10 is concentrically arranged inside the positioning ring 9. Several ribs are provided between the positioning ring 9 and the inner support sleeve 10, forming a communication channel between them. The sealing valve stem 11 slides through the inner wall of the inner support sleeve 10. A sealing frustum 13 is provided at the front end of the sealing valve stem 11. The frustum surface of the sealing frustum 13 cooperates with the sealing cone surface 8. The sealing frustum 13 abuts against the sealing cone surface 8 to achieve sealing between the male connector 1 and the female connector 2. The front end of the sealing cone 13 protrudes from the front side of the sealing cone surface 8. When the female connector 2 is inserted into the insertion groove of the male connector 1, the sealing cones 13 protruding from the sealing cone surface 8 of the two sealing valve rods 11 abut against each other, causing the sealing valve rods 11 to slide backward on the inner support sleeve 10, thus disengaging the sealing cone 13 from the sealing cone surface 8 and achieving communication between the male connector 1 and the female connector 2. The sealing spring 12 is connected between the sealing cone 13 and the inner support sleeve 10, which can maintain self-disassembly. In the separated state, the sealing cone 13 abuts against the sealing cone surface 8 and remains closed. The lower end of the sealing valve stem 11 is provided with an outer convex ring 14, which slides through the inner wall of the inner support sleeve 10. The top of the inner support sleeve 10 is provided with an inner concave ring 15, which slides on the outer wall of the sealing valve stem 11. The inner concave ring 15 forms a limit on the outer convex ring 14 at the front, preventing the sealing valve stem 11 from sliding off the front under the action of the sealing spring 12.

[0026] like Figs. 2-3 As shown, the locking assembly includes a locking slide rod 16, a positioning cone 17, a sliding cone 18, a locking spring 19, and a sliding block 20. The locking slide rod 16 is integrally formed and disposed at the rear end of the sealing valve stem 11. The diameter of the locking slide rod 16 is smaller than the diameter of the sealing valve stem 11. The positioning cone 17 is fixed to the lower end of the locking slide rod 16, with the cone surface of the positioning cone 17 facing downward. The sliding cone 18 is slidably sleeved on the upper locking slide rod 16, with the cone surface of the sliding cone 18 facing upward. A displacement groove is provided on the side of the sliding cone 18 facing the positioning cone 17. The locking spring 19 abuts against the inner wall of the displacement groove and the sliding cone 18. The displacement groove allows the locking spring 19 to fully retract into the displacement groove when the sliding cone 18 slides downward and abuts against the upper side of the positioning cone 17.

[0027] The inner wall of the positioning ring 9 is provided with an inwardly extending guide beam 21, the guide beam 21 is provided with a guide rail groove, a sliding sleeve 22 is sleeved on the guide beam 21, the sliding sleeve 22 is provided with a sliding groove block matched with the guide rail groove, the sliding block 20 is fixed at the front end of the sliding sleeve 22, the upper side of the sliding block 20 is provided with a block inclined surface, and the sliding sleeve 22 is connected with the inner wall of the positioning ring 9 through a displacement spring 23.

[0028] Working principle:

[0029] In the utility model, when assembling the male connector 1 and the female connector 2, the self-locking sleeve 4 can be pulled upwards, the step ring 5 of the self-locking sleeve 4 is slid upwards to avoid the position of the self-locking ball 7, the self-locking ball 7 can slide in and out of the self-locking hole, when the female connector 2 is inserted into the plug-in groove of the male connector 1, the outer convex ladder ring pushes the self-locking ball 7 to slide outwards until the self-locking ring groove is opposite to the self-locking ball 7, the self-locking sleeve 4 is reset under the action of the self-locking spring 6, the step ring 5 can slide to the outside of the self-locking ball 7, the self-locking ball 7 slides inwards to be clamped in the self-locking ring groove, the quick assembly of the male connector 1 and the female connector 2 is realized, meanwhile, the male connector 1 and the female connector 2 are mutually butted, the convex sealing cone frustum 13 is mutually contacted, the sealing valve rod 11 can slide backwards, the sealing cone frustum 13 is separated from the sealing cone surface 8, the communication of the male connector 1 and the female connector 2 is realized, and the female connector 2 can be smoothly disassembled by unlocking the self-locking ball 7 by pulling the self-locking sleeve 4 again.

[0030] In the case that the one-side seal valve stem 11 of the male connector 1 and the female connector 2 is broken, the broken side is in the long-through state, and the intact seal valve stem 11 on the other side cannot be unlocked, the seal cone 13 is manually pressed, the seal valve stem 11 slides backward on the inner support sleeve 10, the sliding block inclined surface of the sliding block 20 abuts against the cone surface of the positioning cone 17, the cone surface of the positioning cone 17 slides against the sliding block 20, and the sliding block 20 slides backward on the guide beam 21 until the sliding block 20 slides to the upper edge of the positioning cone 17, the sliding block 20 is quickly reset under the action of the self-locking spring 6, and a bouncing sound is emitted during the resetting, at this time, the lower side of the sliding block 20 abuts against the upper side of the positioning cone 17, and the lower side and the upper side are locked, the seal valve stem 11 cannot be reset under the support of the sealing spring 12, the seal cone 13 at the front end of the seal valve stem 11 is always kept in the separated state from the sealing cone surface 8, and the male connector 1 and the female connector 2 are kept in the connected state; in addition, when the seal valve stem 11 needs to be reset, the seal valve stem 11 is pressed again, the sliding block inclined surface of the sliding block 20 abuts against the lower side of the sliding cone 18, the sliding cone 18 is pushed to slide upward to abut against the lower end of the seal valve stem 11, at this time, the lower edge of the sliding cone 18 makes the sliding block 20 slide backward again through the sliding block inclined surface, until the end of the sliding block 20 can slide over the lower edge of the sliding cone 18 and move to the upper side of the sliding cone 18, the sliding block 20 is reset again and abuts against the cone surface of the sliding cone 18, at this time, the seal valve stem 11 slides upward under the support of the sealing spring 12, in this process, the sliding block 20 pushes the sliding cone 18 to slide downward to abut against the upper side of the positioning cone 17, the sliding block 20 can slide downward along the cone surface of the sliding cone 18 and slide over the positioning cone 17, and the seal valve stem 11 is reset to the initial state, and the normally closed state of the male connector 1 or the female connector 2 is restored.

[0031] 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 light weight coiled tube and lance set comprising a lance and a coiled tube, characterised in that: The quick connection assembly is connected between the lance and the snake pipe, and comprises a male connector fixed to the lower end of the lance and a female connector fixed to the end of the snake pipe.

2. A light weight coiled tube and lance set according to claim 1, characterized in that: The locking assembly comprises a locking sliding rod, a positioning cone, a sliding cone, a locking spring and a sliding locking block.

3. A light weight coiled tube and lance set according to claim 2, characterized in that: The positioning cone is provided with a cone surface facing downward, and the sliding cone is provided with a cone surface facing upward.

4. A light weight coiled tube and lance set according to claim 3, characterized in that: The positioning ring is provided with a guide beam extending inward on the inner wall thereof, and the sliding sleeve is slidably arranged on the guide beam.

5. A light weight coiled tube and lance set according to claim 4, characterized in that: The outer convex ring of the sealing valve rod is slidably arranged on the inner wall of the inner supporting sleeve.

6. A light weight coiled tube and lance set according to claim 5, characterized in that: The outer wall of the male connector is slidably arranged with a self-locking sleeve, and the self-locking sleeve is connected with the male connector through a self-locking spring. The front side of the side wall of the male connector is provided with a self-locking hole in the circumferential direction, and the self-locking hole is slidably arranged with a self-locking ball. The outer wall of the female connector is provided with a self-locking ring groove, and the self-locking ball is clamped in the self-locking ring groove.

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