CN217367483U

CN217367483U - Water purifier with anti-drop joint

Info

Publication number: CN217367483U
Application number: CN202221184069.0U
Authority: CN
Inventors: 朱宁; 何福强; 谭伟强; 朱亚豪
Original assignee: Foshan Shunde Soglen Electric Appliance Co ltd
Current assignee: Foshan Shunde Soglen Electric Appliance Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-09-06
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a take water purifier that anticreep connects, including the water purifier body and be used for connecting tap's water supply connector, this internal water cavity that leads to that is used for holding filter element group spare that is equipped with of water purifier, water supply connector and the switch-on of water cavity are connected, the water purifier body is equipped with spiral buckle piece, water supply connector's the one end outside is equipped with spiral catching groove, spiral catching groove and the spiral buckle piece lock joint that corresponds, the water purifier body is equipped with the spout, it is provided with the locking piece to slide in the spout, water supply connector is equipped with the circumference constant head tank, the one end of locking piece is arranged in the circumference constant head tank, the locking piece can slide from the circumference constant head tank, water supply connector can break away from the water purifier body. The utility model discloses a water purifier facilitates the use, and the good reliability.

Description

Water purifier with anti-drop joint

Technical Field

The utility model relates to a water purifier technical field, concretely relates to take water purifier that anticreep connects.

Background

Present desk-top water purifier on the market, or called as movable tap water purifier, this type of water purifier passes through the tap of hose connection kitchen and uses, specifically install the three-way valve on the tap of kitchen, the three-way valve is connected to the one end of hose, the water inlet pipe joint of desk-top water purifier is connected to the corresponding other end of hose, then can switch running water direct output or make the running water export from the play tap of desk-top water purifier after desk-top water purifier filters through the three-way valve, because desk-top water purifier can shift in a flexible way and place, and for the water purifier product of direct mount on the tap of kitchen, desk-top water purifier can set up the great filter core of volume, make the filter effect better, it is faster to go out water speed. Because the desk-top water purifier needs to be placed on the position, close to the dish washing plate, of the table top of the cabinet, the space of the kitchen is narrow nowadays, when a large number of articles need to be placed on the table top of the cabinet and the desk-top water purifier does not need to be used temporarily, a user often wants to remove the desk-top water purifier, but the connection structure of the desk-top water purifier and a hose in the prior art is not convenient to assemble and disassemble, or the hose is connected with a joint, the joint is connected with the desk-top water purifier, but the connection structure of the joint and the desk-top water purifier is not reliable, and the loosening phenomenon easily occurs, so that the desk-top water purifier in the prior art is inconvenient to use and needs to be improved.

Disclosure of Invention

An object of the utility model is to overcome prior art's is not enough, provides a take water purifier that anticreep connects, and it facilitates the use, and the good reliability.

The purpose of the utility model is realized by the following technical proposal.

The utility model discloses a take water purifier that anticreep connects, including the water purifier body and be used for connecting tap's water supply connector, this internal water cavity that is used for holding filter element group spare that is equipped with of water purifier, water supply connector with the water cavity switch-on is connected, the water purifier body is equipped with and detains the piece soon, the one end outside of water supply connector is equipped with and detains the groove soon, detain the groove soon and correspond it detains the piece lock joint soon, the water purifier body is equipped with the spout, it is provided with the locking piece to slide in the spout, water supply connector is equipped with the circumference constant head tank, the one end of locking piece is arranged in the circumference constant head tank, the locking piece can slide away from the circumference constant head tank, water supply connector can break away from the water purifier body.

Preferably, the water purifier body comprises a sleeve and a base for placing on a table top of a cabinet, the base is formed with an installation cavity, one end of the sleeve is formed with a sleeve part, the sleeve part is fittingly arranged in the installation cavity, the screwing block is formed on the inner wall of the sleeve part, the water inlet joint is formed with a connecting pipe part, the screwing groove is formed on the outer wall of the connecting pipe part, and the connecting pipe part is arranged in the sleeve part.

Preferably, the other end that the sleeve pipe is corresponding is formed with the intubate portion, the base is formed with the inlet tube shell, the inlet tube shell with the installation cavity intercommunication sets up, intubate portion cartridge in the inlet tube shell, the tip of intubate portion is formed with the elasticity discount, be formed with the breach seam on the intubate portion, the breach seam runs through the elasticity discount setting, the elasticity discount with the inner lock joint of inlet tube shell.

Preferably, the mounting cavity is provided with a cavity bottom, the cavity bottom is provided with a positioning clamping groove, the sleeve is provided with a positioning lug, and the positioning lug is arranged in the positioning clamping groove.

Preferably, a guide protrusion is formed on an outer side of the housing portion, and a guide groove is formed in the lock block, and the guide protrusion is disposed in the guide groove.

Preferably, the outer end of the locking piece 3 is formed with a handle piece, and the handle piece is arranged outside the chute.

Preferably, be formed with on the spiral buckle piece and block the draw-in groove, be formed with the fixture block in the spiral buckle groove, the fixture block is located block in the draw-in groove.

Preferably, one end of the rotary buckle groove forms a groove opening, the other end corresponding to the rotary buckle groove forms a groove end slope, the head end of the rotary buckle block forms a block end slope, and the block end slope is in fit connection with the groove end slope.

Preferably, the rear end of the screwing block is formed with a reverse pushing part, the water inlet joint is formed with a guide slope for relatively guiding the reverse pushing part, and the reverse pushing part can slide along the guide slope relatively by the rotation motion of the water inlet joint to move the water inlet joint outwards.

Preferably, the number of the screwing blocks is two, and the two screwing blocks are distributed in the circumferential direction.

Compared with the prior art, the utility model, its beneficial effect is: through be equipped with at the water purifier body and detain the piece soon, the one end outside of water supply connector is equipped with spiral catching groove, spiral catching groove and the spiral catching block lock joint that corresponds, the water purifier body is equipped with the spout, and it is provided with the locking piece to slide in the spout, and the water supply connector is equipped with the circumference constant head tank, and in the circumference constant head tank was arranged in to the one end of locking piece, the locking piece can slide from the circumference constant head tank, and the water supply connector can break away from the water purifier body, makes the utility model discloses a water purifier both can conveniently separate or be connected with the hose, can avoid the water supply connector pine to take off and lead to leaking moreover, so the utility model discloses a water purifier facilitates the use, and good reliability.

Drawings

Fig. 1 is a schematic structural view of the water purifier with the anti-drop joint of the present invention.

Fig. 2 is an exploded schematic view of the water purifier with the anti-drop joint of the present invention.

Fig. 3 is a schematic sectional view of the water purifier with the anti-drop joint of the present invention.

Fig. 4 is a partial structural schematic diagram of fig. 3.

Fig. 5 is a schematic perspective view of the base of the present invention.

Fig. 6 is a schematic front perspective view of the sleeve of the present invention.

Fig. 7 is a schematic view of a back three-dimensional structure of the sleeve according to the present invention.

Fig. 8 is a schematic perspective view of the lock block of the present invention.

Fig. 9 is a schematic bottom perspective view of the water inlet joint of the present invention.

Fig. 10 is a schematic top view of the water inlet joint of the present invention.

Fig. 11 is a schematic cross-sectional view of the assembly combination of the connecting pipe portion and the sleeve of the water inlet joint of the present invention.

Description of reference numerals: 1-water purifier body; 100-water cavity; 11-a base; 12-covering; 13-a sleeve; 131-a jacket portion; 132-a cannula part; 133-elastic button head; 134-gap seam; 135-positioning bumps; 136-a guide projection; 137-rotary buckle block; 1371-a blocking card slot; 1372-a reverse push; 1373-block end slope; 138-step plate portion; 101-a chute; 102-an inlet conduit shell portion; 103-a mounting cavity; 104-cavity bottom; 1041-positioning clamp groove; 2-a water inlet joint; 201-circumferential positioning groove; 202-water passage; 21-connecting the tube portions; 211-a thread turning groove; 2111-notch; 2112-fixture block; 2113-groove end slope; 212-a guide ramp; 213-avoidance position; 22-a stay tube portion; 23-clamping a pipe screw cap; 3-locking the block; 31-a slide plate portion; 32-a locking plate portion; 321-a guide groove; 33-a handle piece; 5-a water outlet tap; 6-a filter element assembly; 99-flexible pipe.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The utility model discloses a take water purifier that anticreep connects, as shown in fig. 1 to fig. 4, including water purifier body 1 and be used for connecting tap's water supply connector 2, be equipped with the logical water chamber 100 that is used for holding filter element group spare 6 in the water purifier body 1, water supply connector 2 is connected with leading to the switch-on of logical water chamber 100, in other words, the running water can flow into logical water chamber 100 through water supply connector 2, and rivers see through filter element group spare 6 then. The water purifier body 1 is provided with the turnbuckle piece 137, as shown in fig. 9 and 10, the outer side of one end of the water inlet connector 2 is provided with the turnbuckle groove 211, the turnbuckle groove 211 is buckled with the corresponding turnbuckle piece 137, as shown in fig. 3 and 5, the water purifier body 1 is provided with the sliding groove 101, as shown in fig. 4, the sliding groove 101 is internally provided with the locking piece 3 in a sliding manner, as shown in fig. 9, the water inlet connector 2 is provided with the circumferential positioning groove 201, as shown in fig. 4, one end of the locking piece 3 is arranged in the circumferential positioning groove 201, specifically, one end of the locking piece 3, which is far away from the center of the water purifier body 1, is arranged in the circumferential positioning groove 201, the locking piece 3 can slide away from the circumferential positioning groove 201, and the water inlet connector 2 can be separated from the water purifier body 1.

As shown in fig. 4, one end of the hose 99 is connected to a faucet in a kitchen, the other end of the hose 99 opposite to the supporting tube portion 22 of the water inlet connector 2 is connected to the supporting tube portion 22, specifically, the hose 99 is sleeved outside the supporting tube portion 22, the supporting tube portion 22 causes the hose 99 to partially swell, the tube clamping screw cap 23 of the water inlet connector 2 has an inner conical surface, and the inner conical surface of the tube clamping screw cap 23 presses on the swelled portion of the hose 99, so that the inner wall of the hose 99 tightly abuts against the supporting tube portion 22 to achieve sealed connection. As shown in fig. 4, since the locking block 3 is slidably disposed in the sliding slot 101, and one end of the locking block 3 is disposed in the circumferential positioning slot 201, when the water inlet connector 2 is rotated, the locking block 3 will block the water inlet connector 2, so as to prevent the water inlet connector 2 from being rotated to release the fastening slot 211 from the corresponding fastening block 137, and prevent the water inlet connector 2 from rotating due to misoperation or collision, which causes the unstable connection between the water inlet connector 2 and the water purifier body 1 and causes water leakage; when the water purifier needs to be removed, the locking block 3 is pushed inwards, the outer end of the locking block 3 is separated from the circumferential positioning groove 201 of the water inlet connector 2, so that the water inlet connector 2 is unlocked, then the water inlet connector 2 is rotated anticlockwise by hand, the screwing groove 211 and the screwing block 137 are disengaged, and then the water inlet connector 2 is pulled outwards to be separated from the water purifier body 1, namely, the water purifier body 1 is completely separated from the hose 99 and a faucet in a kitchen, so that the water purifier body 1 can be moved to the corner of a kitchen cabinet table top or stored; when needing to use the utility model discloses a water purifier, as shown in fig. 10, the outside of water supply connector 2 is formed with dodges position 213, the notch 2111 of spinner groove 211 with dodge position 213 intercommunication setting, then with the dodge position 213 of water supply connector 2 to spinner 137, again with water supply connector 2 to water purifier body 1, make spinner 137 align spinner groove 211's notch 2111, then clockwise spinner water supply connector 2, make spinner 137 screw in to corresponding spinner groove 211 relatively, then outwards pull water supply connector 2 this moment and can receive spinner 137's the effect of blockking, draw locking piece 3 outwards afterwards, make the outer end of locking piece 3 slide into in water supply connector 2's circumference constant head tank 201, make water supply connector 2 lock. From the foregoing, the utility model discloses a water purifier both can conveniently separate or be connected with hose 99 (and tap), and when the water purifier was connected with hose 99, water supply connector 2 was reliable with being connected of water purifier body 1 moreover, can avoid water supply connector 2 pine to take off and leak, so the utility model discloses a water purifier facilitates the use, and good reliability.

Further, as shown in fig. 1 to 5, the water purifier body 1 includes a sleeve 13 and a base 11 for placing on a table top of a cabinet, the water purifier body 1 further includes a cover 12, a lower end of the cover 12 is connected to an upper end of the base 11, the cover 12 and the base 11 enclose the water passing cavity 100, as shown in fig. 3, the filter element assembly 6 is disposed in the water passing cavity 100, a lower end of the filter element assembly 6 is connected to one end of a water outlet pipe disposed in the base 11, and the other end corresponding to the water outlet pipe is connected to the water outlet faucet 5. As shown in fig. 5, the base 11 is formed with an installation cavity 103, the installation cavity 103 is a cylindrical cavity, as shown in fig. 6 and 7, one end of the sleeve 13 is formed with a shell part 131, the shell part 131 is cylindrical, as shown in fig. 4, the shell part 131 is fittingly arranged in the installation cavity 103, as shown in fig. 6, a turn-buckle block 137 is formed on the inner wall of the shell part 131, as shown in fig. 9, the water inlet connector 2 is formed with a connecting pipe part 21, a turn-buckle groove 211 is formed on the outer wall of the connecting pipe part 21, one end of the water passage 202 inside the water inlet connector 2 is positioned at the center of the connecting pipe part 21, as shown in fig. 4, the other end of the water passage 202 is positioned at the center of the support pipe part 22, the connecting pipe part 21 is perpendicular to the support pipe part 22, and thus the water passage 202 is right-angled; as shown in fig. 4, the connecting tube 21 is disposed in the casing 131, as shown in fig. 1 and 2, so that the fastening structure of the fastening groove 211 and the fastening block 137 is a built-in structure, which is beneficial to making the appearance of the water purifier simple. By providing the sleeve 13, the need to form the turnbuckle block 137 on the base 11 is avoided, which may cause difficulty in manufacturing a mold and increase in cost. As shown in fig. 5, the sliding groove 101 may be formed in the base 11, an opening of the sliding groove 101 is communicated with the installation cavity 103, and the structure is simple, so that the locking piece 3 can be connected with the circumferential positioning groove 201.

Further, as shown in fig. 7, the opposite end of the sleeve 13 is formed with a cannula portion 132, as shown in fig. 5, the base 11 is formed with a water inlet pipe shell portion 102, the water inlet pipe shell portion 102 is disposed in communication with the installation cavity 103, specifically, a water through hole is formed in the water inlet pipe shell portion 102, the water through hole is disposed coaxially with the inner wall of the installation cavity 103, as shown in fig. 4, the cannula portion 132 is inserted into the water inlet pipe shell portion 102, as shown in fig. 7, an elastic buckle 133 is formed at the end of the cannula portion 132, a gap 134 is formed on the cannula portion 132, the gap 134 is disposed through the elastic buckle 133, as shown in fig. 4, the elastic buckle 133 is buckled with the inner end of the water inlet pipe shell portion 102; in the process of assembling the sleeve 13, the inserting tube portion 132 is inserted into the water inlet tube shell portion 102, so that the outer end opening of the above-mentioned water passage hole of the water inlet tube shell portion 102 presses the elastic buckle 133, due to the provision of the notch 134, the elastic buckle 133 is easily elastically contracted toward the center of the inserting tube portion 132, so that the elastic buckle 133 can slide into and pass through the water inlet tube shell portion 102, so that the sleeve portion 131 is simultaneously inserted into the mounting cavity 103, when the elastic buckle 133 crosses the inner end of the above-mentioned water passage hole of the water inlet tube shell portion 102, the elastic buckle 133 is elastically restored to be expanded to buckle the elastic buckle 133 with the inner end of the water inlet tube shell portion 102, and at this time, the sleeve 13 is pulled outward to be blocked by the inner end of the water inlet tube 102, so that the sleeve 13 is simply and conveniently assembled with the base 11.

Further, as shown in fig. 5, the mounting cavity 103 is formed with a cavity bottom 104, the cavity bottom 104 is formed with a positioning locking groove 1041, as shown in fig. 7, the sleeve 13 is formed with a positioning projection 135, specifically, a step plate portion 138 is formed between the sleeve portion 131 and the insertion tube portion 132, and the positioning projection 135 is formed on the back of the step plate portion 138; as shown in fig. 4, the back of the step plate 138 is attached to the bottom 104, the positioning protrusions 135 are disposed in the positioning locking slots 1041, so that the sleeve 13 and the base 11 can be positioned in the circumferential direction around the axis of the sleeve portion 131, and the positioning protrusions 135 can be symmetrically distributed on both sides of the axis of the sleeve portion 131, thereby preventing the position of the fastening block 137 from being changed due to the sleeve 13 being rotated, so that the fastening block 137 can be stabilized in a circumferential position after the water inlet connector 2 is separated from the water purifier body 1, and avoiding the situation of alignment difficulty when the water inlet connector 2 is connected with the water purifier body 1.

Further, as shown in fig. 6, a guide projection 136 is formed on the outer side of the housing portion 131, as shown in fig. 8, a guide groove 321 is formed in the lock piece 3, as shown in fig. 4 and 11, the guide projection 136 is provided in the guide groove 321, specifically, the lock piece 3 is configured to slide in a direction parallel to the axis of the connecting tube portion 21, as shown in fig. 8, the lock piece 3 includes a slide plate portion 31 and a lock plate portion 32, as shown in fig. 11, specifically, the slide plate portion 31 is provided in the slide groove 101, the lock plate portion 32 is provided in the circumferential direction positioning groove 201, and the guide groove 321 is specifically formed on the lock plate portion 32; the guiding projection 136 is provided to enhance the sliding guiding function of the locking block 3, so that the locking or unlocking movement of the locking block 3 is flexible for operation.

Further, as shown in fig. 8, a handle piece 33 is formed at an outer end of the lock block 3 (the "outer end" referred to herein means an end of the lock block 3 away from the center of the base 11), and as shown in fig. 4, the handle piece 33 is disposed outside the sliding groove 101, so that it is convenient for a user to lock or unlock the lock block 3 by pushing the handle piece 33 with a nail, specifically, the handle piece 33 may be perpendicular to the sliding plate portion 31, and the handle piece 33 may be disposed downward.

In some embodiments, as shown in fig. 6, a blocking slot 1371 is formed on the fastening block 137, as shown in fig. 9, a fixture block 2112 is formed in the fastening slot 211, as shown in fig. 11, the fixture block 2112 is disposed in the blocking slot 1371, so when the locking block 3 is unlocked, in the process of rotating the water inlet connector 2 counterclockwise to separate the fastening slot 211 from the fastening block 137, a human hand needs to overcome the blocking of the blocking slot 1371 to the fixture block 2112, so that the elastic concave deformation of the connecting tube 21 can make the fixture block 2112 slide away from the blocking slot 1371, that is, by disposing the blocking slot 1371, the connection between the water inlet connector 2 and the water purifier body 1 is firmer and more reliable.

Further, as shown in fig. 9 and 10, one end of the screw-in slot 211 forms a slot 2111, and the other end of the screw-in slot 211 corresponds to a slot end slope 2113, as shown in fig. 6, a head end of the screw-in block 137 forms a block end slope 1373 (the "head end" mentioned herein means the end that enters the screw-in slot 211 first in the process of relatively rotating the screw-in block 137 into the screw-in slot 211), as shown in fig. 11, the block end slope 1373 is in fit and abutting connection with the slot end slope 2113, so that when the screw-in block 137 is relatively rotated into the screw-in slot 211, the latch 2112 can slide on the screw-in block 137 along the block end slope 1373, and then the latch 2112 slides into the blocking slot 1371, and after the latch 2112 slides into the blocking slot 1371, the slot end slope 2113 is in abutting connection with the block end slope 1373, so as to support each other.

Further, as shown in fig. 6, a reverse pushing portion 1372 is formed at the rear end of the turning block 137 (the "rear end" is referred to as the "front end" above), as shown in fig. 9 and 10, the water inlet connector 2 is formed with a guide slope 212 for opposing the guide reverse pushing portion 1372, the escape position 213 is located between the guide slope 212 and the notch 2111, the reverse pushing portion 1372 can slide along the guide slope 212 relatively by the rotation of the water inlet connector 2 to move the water inlet connector 2 outward, specifically, when the water inlet connector 2 is turned counterclockwise to release the turning groove 211 from the turning block 137, and the water inlet connector 2 is continued to be turned counterclockwise, the guide slope 212 collides against the reverse pushing portion 1372, as shown in fig. 10, since the guide slope 212 forms an angle with the axis of the connecting pipe portion 21, the reaction force of the reverse pushing portion 1372 to the guide slope 212 has a component force outward in the axial direction of the connecting pipe portion 21, so that the reverse push portion 1372 climbs along the guide slope 212 relatively, and as a result, the water inlet connector 2 moves outward to be separated from the water purifier body 1, in other words, as long as the water inlet connector 2 is rotated counterclockwise after the locking piece 3 is unlocked, the water inlet connector 2 can be released and slide out, so that it is convenient to disassemble the water inlet connector 2.

Further, as shown in fig. 6, the number of the fastening blocks 137 is two, and the two fastening blocks 137 are circumferentially distributed, specifically, the two fastening blocks 137 may be distributed at an interval of 180 °, in other words, the fastening grooves 211 are also distributed at an interval of 180 °, which is beneficial to balancing the stress on the water inlet connector 2 and ensuring the reliable connection between the water inlet connector 2 and the water purifier body 1.

As shown in fig. 3 and 4, the tap water enters the support tube 22 from the hose 99, flows through the water passage 202 and then is discharged from the connecting tube 21 to the insertion tube 132, enters the base 11, and then passes through the filter element assembly 6 after filling the water passage 100, and the purified water filtered by the filter element assembly 6 is discharged from the outlet faucet 5.

Claims

1. The utility model provides a take water purifier that anticreep connects which characterized in that: comprises a water purifier body (1) and a water inlet joint (2) used for connecting a water tap, a water-passing cavity (100) for accommodating the filter element assembly (6) is arranged in the water purifier body (1), the water inlet joint (2) is communicated with the water through cavity (100), the water purifier body (1) is provided with a rotary buckle block (137), a rotary buckle groove (211) is arranged on the outer side of one end of the water inlet joint (2), the rotary buckle groove (211) is buckled with the corresponding rotary buckle block (137), the water purifier body (1) is provided with a sliding chute (101), a locking block (3) is arranged in the sliding chute (101) in a sliding way, the water inlet connector (2) is provided with a circumferential positioning groove (201), one end of the locking block (3) is arranged in the circumferential positioning groove (201), the locking piece (3) can slide away from the circumferential positioning groove (201), and the water inlet connector (2) can be separated from the water purifier body (1).

2. The water purifier with the anti-drop joint according to claim 1, wherein: the water purifier body (1) comprises a sleeve (13) and a base (11) placed on a cabinet table board, wherein the base (11) is formed with an installation cavity (103), one end of the sleeve (13) is provided with a sleeve part (131), the sleeve part (131) is matched and arranged in the installation cavity (103), a screwing block (137) is formed on the inner wall of the sleeve part (131), a connecting pipe part (21) is formed on the water inlet connector (2), a screwing groove (211) is formed on the outer wall of the connecting pipe part (21), and the connecting pipe part (21) is arranged in the sleeve part (131).

3. The water purifier with the anti-drop joint according to claim 2, characterized in that: the other end that sleeve pipe (13) is corresponding is formed with intubate portion (132), base (11) are formed with inlet tube shell (102), inlet tube shell (102) with installation cavity (103) intercommunication sets up, intubate portion (132) cartridge in inlet tube shell (102), the tip of intubate portion (132) is formed with elasticity discount (133), be formed with breach seam (134) on intubate portion (132), breach seam (134) run through elasticity discount (133) set up, elasticity discount (133) with the inner lock joint of inlet tube shell (102).

4. The water purifier with an anti-drop joint according to claim 2, characterized in that: the mounting cavity (103) is formed with the chamber bottom (104), the chamber bottom (104) is formed with positioning slot (1041), sleeve pipe (13) is formed with positioning lug (135), positioning lug (135) sets up in positioning slot (1041).

5. The water purifier with the anti-drop joint according to claim 2, characterized in that: a guide lug (136) is formed on the outer side of the sleeve part (131), a guide groove (321) is formed on the locking block (3), and the guide lug (136) is arranged in the guide groove (321).

6. The water purifier with the anti-drop joint according to claim 1, wherein: the outer end of the locking block (3) is provided with a handle piece (33), and the handle piece (33) is arranged outside the sliding groove (101).

7. The water purifier with the anti-drop joint according to claim 1, wherein: a blocking clamping groove (1371) is formed in the screwing block (137), a clamping block (2112) is formed in the screwing groove (211), and the clamping block (2112) is arranged in the blocking clamping groove (1371).

8. The water purifier with the anti-drop joint according to claim 7, wherein: one end of the rotary buckling groove (211) forms a groove opening (2111), the other end corresponding to the rotary buckling groove (211) is formed with a groove end slope (2113), the head end of the rotary buckling block (137) is formed with a block end slope (1373), and the block end slope (1373) is matched, attached and connected with the groove end slope (2113).

9. The water purifier with the anti-drop joint according to claim 1, wherein: the tail end of the screwing block (137) is provided with a reverse pushing part (1372), the water inlet joint (2) is provided with a guide slope (212) for relatively guiding the reverse pushing part (1372), and the reverse pushing part (1372) can slide along the guide slope (212) relatively through the rotation motion of the water inlet joint (2) so as to enable the water inlet joint (2) to move outwards.

10. The water purifier with the anti-drop joint according to claim 1, wherein: the number of the rotary buckle blocks (137) is two, and the two rotary buckle blocks (137) are distributed in the circumferential direction.