Lifting clamping sleeve and lifting faucet

Abstract

The lifting clamping sleeve comprises a sleeve body which is made of plastic materials and integrally formed, and the sleeve body comprises a vertically-through cylindrical part and a clamping edge formed on the edge of the upper end of the cylindrical part; a plurality of upper elastic abutting claws used for abutting against a sliding pipe are formed on the upper portion of the side wall of the barrel-shaped part, and the root portions of the upper elastic abutting claws are connected with the barrel-shaped part. A plurality of lower elastic abutting claws used for abutting against a sliding pipe are formed on the lower portion of the side wall of the barrel-shaped part, and the roots of the lower elastic abutting claws are connected with the barrel-shaped part. The sleeve body is further provided with clamping teeth used for being fixedly connected with a faucet body in a clamped mode. Compared with the prior art, the plastic sleeve body is used for replacing a traditional fixed part and a traditional movable part, and cost is reduced. When in use, the latch is clamped and fixed in the faucet main body, and the sliding pipe is positioned and the sliding damping hand feeling is kept through the upper elastic propping claw and the lower elastic propping claw.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen and bathroom, and in particular to a lifting card sleeve and a lifting faucet. Background Art

[0002] The pull-out faucet is a common faucet on the market. For example, the Chinese utility model patent CN214946677U introduces the structure of the pull-out faucet. It includes a faucet body, a water outlet bracket, a sliding tube, a fixing part and a movable part; the water outlet bracket is movably connected to the faucet body. Specifically, a fixing part is provided at the top of the faucet body, and a sliding tube adapted to the fixing part is provided at the bottom of the water outlet bracket. The sliding tube is passed through the fixing part, so that the water outlet bracket is movably connected to the faucet body, thereby realizing the adjustment of the height and rotation angle of the water outlet bracket, increasing the water outlet range of the adjustable pull-out faucet, and having a wide range of applications to meet the needs of users.

[0003] A movable part is arranged in the fixed part, and the sliding tube is arranged in the movable part and can be lifted and rotated relative to the movable part. A limit clamp spring is arranged at the bottom end of the sliding tube, and the limit clamp spring cooperates with the movable part to abut against the movable part to limit the lifting stroke of the sliding tube and prevent the sliding tube from falling out.

[0004] The top of the faucet body is provided with a split fixing part and a movable part, that is, there are two parts, which is costly. The fixing part is connected to the faucet body through a thread, and the fixing part and the faucet body need to be machined with threads, which is a cumbersome process.

[0005] Moreover, the movable part and the sliding tube are tightly connected. After the sliding tube stays for a period of time, the sliding resistance increases significantly, affecting the lifting feel.

[0006] In view of this, the inventor conducted in-depth research on the above-mentioned defects in the prior art, and thus came up with this case. Utility Model Content

[0007] The main purpose of the utility model is to provide a lifting clamp and a lifting faucet. The lifting clamp replaces the two traditional parts of a fixed part and a movable part, thereby reducing the material cost and the processing and assembly cost.

[0008] In order to achieve the above purpose, the solution of the utility model is:

[0009] A lifting ferrule, which includes a ferrule integrally formed of plastic material. The ferrule includes a tubular portion penetrating up and down and a clamping edge formed at the upper edge of the tubular portion; several upper elastic claws for abutting against a sliding tube are formed on the upper part of the side wall of the tubular portion, and the root of the upper elastic claw is connected to the tubular portion; several lower elastic claws for abutting against the sliding tube are formed on the lower part of the side wall of the tubular portion, and the root of the lower elastic claw is connected to the tubular portion; the ferrule also has teeth for clamping and fixing with a faucet body.

[0010] Furthermore, an upper through groove located on the outer periphery of the upper elastic claw is formed on the tubular portion, and the upper through groove penetrates the inner side and the outer side of the side wall of the tubular portion; a lower through groove located on the outer periphery of the lower elastic claw is formed on the tubular portion, and the lower through groove penetrates the inner side and the outer side of the side wall of the tubular portion.

[0011] Furthermore, the upper through groove is in an inverted U shape, the upper through groove is located at the top and both sides of the upper elastic claw, and the lower part of the upper elastic claw is connected to the tubular portion; the lower through groove is in a U shape, the lower through groove is located at the bottom and both sides of the lower elastic claw, and the upper part of the lower elastic claw is connected to the tubular portion.

[0012] Furthermore, the teeth are formed on the outer side of the lower elastic claw.

[0013] Furthermore, the tubular portion has an auxiliary positioning section located between two adjacent lower elastic claws. The lower part of the U-shaped lower through groove communicates with the lower end of the tubular portion, and the lower edge of the auxiliary positioning section is lower than the lower edge of the lower elastic claw; an arc chamfering portion is formed on the inner wall of the lower section of the auxiliary positioning section.

[0014] Furthermore, abutting portions are respectively formed on the inner sides of the upper elastic claw and the lower elastic claw far from the root. The abutting portion has an abutting surface for abutting against the sliding tube, and the abutting surface is closer to the central axis of the tubular portion than the inner surface of the side wall of the tubular portion.

[0015] Furthermore, the tubular portion is in the shape of a hollow cylinder, and the clamping edge is in the shape of a circular ring integrally connected to the upper edge of the tubular portion.

[0016] Furthermore, the number of the upper elastic claws is the same as that of the lower elastic claws. The upper elastic claws are equally angularly spaced in the tubular portion, and the lower elastic claws are equally angularly spaced in the tubular portion; in the axial projection direction of the tubular portion, the upper elastic claws and the lower elastic claws are alternately arranged in a ring shape.

[0017] Furthermore, the number of both the upper elastic claws and the lower elastic claws is four. Adjacent two upper elastic claws are spaced 90° apart, and adjacent two lower elastic claws are spaced 90° apart; in the axial projection direction of the tubular portion, the center of each upper elastic claw is spaced 45° from the adjacent lower elastic claw.

[0018] A lifting faucet, comprising a faucet body, a water outlet bracket, a sliding pipe and the above-mentioned lifting ferrule. An installation hole is downwardly extended at the top end of the faucet body. The cylindrical part is clamped and fixed in the installation hole with the faucet body, and the clamping edge is located at the top of the faucet body at the upper end of the installation hole. The sliding pipe passes through the lifting ferrule, and the upper elastic claw and the lower elastic claw are abutted against the outer wall of the sliding pipe. The water outlet bracket is fixedly connected to the upper end of the sliding pipe. A positioning annular groove is formed in the lower part of the sliding pipe. When the sliding pipe moves upward to the upper limit position, the lower elastic claw is clamped into the positioning annular groove.

[0019] After adopting the above structure, a lifting ferrule and a lifting faucet involved in the present utility model have at least the following beneficial effects:

[0020] First, the whole lifting ferrule is a sleeve integrally injection-molded with plastic material. The plastic material itself has an elastic deformation ability within a certain deformation range. The upper elastic claw and the lower elastic claw are deformed by the outward abutting force after the sliding pipe is inserted, and thus generate an abutting force of the upper elastic claw and the lower elastic claw against the sliding pipe. In this way, the damping feeling when the sliding pipe slides up and down is realized and the sliding pipe is kept stable. The sleeve is fixedly connected to the faucet body through the engaging teeth, and the installation is very convenient. One component of the lifting ferrule replaces the two components of the traditional fixed part and movable part, reducing the cost and making the installation easier.

[0021] Second, by providing an upper through groove and a lower through groove that are internally and externally communicated, the upper elastic claw and the lower elastic claw are formed on the side wall of the cylindrical part. Further, the shape of the upper through groove is set as an inverted U shape, and the shape of the lower through groove is set as a U shape, so that the distance between the elastic ends of the upper elastic claw and the lower elastic claw is as large as possible, making the lifting ferrule clamp the sliding pipe more stably.

[0022] Third, the engaging teeth are formed on the outside of the lower elastic claw, so as to make full use of the elasticity of the lower elastic claw. When installing the lifting ferrule on the faucet body, the lifting ferrule passes through the installation hole from top to bottom. At this time, the lower elastic claw elastically deforms inward until the lifting ferrule is in place, and then the lower elastic claw returns to its original position, so that the engaging teeth are stuck on the faucet body at the lower opening of the installation hole to prevent the lifting ferrule from coming out. After the lifting ferrule is installed in place, the lower elastic claw still has a certain amplitude of outward elastic deformation, so that the lower elastic claw elastically abuts against the sliding pipe.

[0023] Fourth, the upper elastic claw and the lower elastic claw both have abutment portions, and the abutment portions have abutment surfaces. In this way, the lifting sleeve contacts the sliding tube through these abutment surfaces, so that the sliding tube can slide and lift in the mounting hole. In addition, due to the existence of the upper elastic claw and the lower elastic claw, the inner wall of the cylindrical portion does not contact the sliding tube, but an air flow channel is formed between the inner wall of the cylindrical portion and the outer wall of the sliding tube, and the air flow channel also exists between two adjacent upper elastic claws and between two adjacent lower elastic claws. In this way, the inner cavity of the faucet body is connected to the atmosphere outside, and when the sliding tube moves, negative pressure or increased air pressure will not be generated in the inner cavity of the faucet body, thereby avoiding affecting the normal sliding feel of the sliding tube.

[0024] 5. When the sliding tube slides to the upper limit position, the bell mouth at the lower end of the sliding tube abuts against the arc chamfered portion of the auxiliary positioning section, and the lower elastic abutment abuts against the positioning annular groove on the sliding tube, thereby achieving a double positioning effect, reducing the shaking of the sliding tube after it rises to the upper limit position and increasing stability.

[0025] 6. In the axial projection direction of the cylindrical portion, the upper elastic abutment claws and the lower elastic abutment claws are alternately arranged along the ring to make the abutment points more evenly distributed, abut the sliding tube from more directions, and make the sliding tube more stable.

[0026] Compared with the prior art, the utility model replaces the traditional fixing parts and movable parts with a plastic sleeve, thereby reducing the cost. When in use, the latching teeth are fixed in the faucet body, and the upper elastic claw and the lower elastic claw are used to position the sliding tube and maintain the sliding damping feel. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The utility model is a three-dimensional structural schematic diagram of a lifting sleeve.

[0028] Figure 2 and Figure 3 It is a schematic diagram of the three-dimensional structure of the lifting ferrule at two other angles.

[0029] Figure 4 It is a top view structural diagram of the lifting ferrule.

[0030] Figure 5 It is a schematic diagram of the front view structure of the lifting faucet.

[0031] Figure 6 It is a side view structural diagram of a lifting faucet.

[0032] Figure 7 for Figure 6 Schematic diagram of the cross-sectional structure along the AA direction.

[0033] Figure 8It is a schematic diagram of the cross-sectional exploded structure of the lifting ferrule and the faucet body.

[0034] Fig. 9 Schematic diagram of the exploded structure of the lifting ferrule and faucet body.

[0035] Fig.10 It is a schematic cross-sectional view of a lifting faucet with a sliding tube.

[0036] Fig.11 for Fig.10 Schematic diagram of the enlarged structure at point B in the middle.

[0037] In the figure:

[0038] Lifting sleeve 1; sleeve body 10; cylindrical portion 11; upper elastic claw 12; lower elastic claw 13; abutment portion 131; abutment surface 132; clamping teeth 133; upper through groove 14; lower through groove 15; clamping edge 16; auxiliary positioning section 17; arc chamfered portion 171; faucet body 2; mounting hole 21; sliding tube 4; positioning annular groove 41; bell mouth 42. DETAILED DESCRIPTION

[0039] In order to further explain the technical solution of the present utility model, the present utility model is described in detail below through specific embodiments.

[0040] like Figures 1 to 4 As shown, it is a lifting clamp involved in the utility model, including a sleeve body 10 integrally formed of plastic material, the sleeve body 10 includes a cylindrical portion 11 penetrating from top to bottom and a clamping edge 16 formed on the upper edge of the cylindrical portion 11; a plurality of upper elastic claws 12 for abutting the sliding tube 4 are formed on the upper portion of the side wall of the cylindrical portion 11, and the roots of the upper elastic claws 12 are connected to the cylindrical portion 11; a plurality of lower elastic claws 13 for abutting the sliding tube 4 are formed on the lower portion of the side wall of the cylindrical portion 11, and the roots of the lower elastic claws 13 are connected to the cylindrical portion 11; the sleeve body 10 also has a clamping tooth 133 for clamping and fixing with the faucet body 2.

[0041] In this way, the utility model relates to a lifting sleeve, in which the lifting sleeve 1 is a sleeve body 10 integrally injection-molded from a plastic material. The plastic material itself has elastic deformation capability within a certain deformation range. The upper elastic claw 12 and the lower elastic claw 13 are deformed by the outward push force after the sliding tube 4 is inserted, and the push force of the upper elastic claw 12 and the lower elastic claw 13 against the sliding tube 4 is generated. In this way, the damping feeling when the sliding tube 4 slides up and down and the stability of the sliding tube 4 is maintained. The sleeve body 10 is fixedly connected to the faucet body 2 by the latch teeth 133, and the installation is very convenient. The lifting sleeve 1 replaces the two traditional fixed parts and movable parts, which reduces the cost and makes installation easier.

[0042] Preferably, an upper through groove 14 located on the outer periphery of the upper elastic claw 12 is formed on the cylindrical portion 11, and the upper through groove 14 penetrates through the inner and outer sides of the side wall of the cylindrical portion 11; a lower through groove 15 located on the outer periphery of the lower elastic claw 13 is formed on the cylindrical portion 11, and the lower through groove 15 penetrates through the inner and outer sides of the side wall of the cylindrical portion 11. The upper through groove 14 is in an inverted U shape, the upper through groove 14 is located at the top and both sides of the upper elastic claw 12, and the lower part of the upper elastic claw 12 is connected to the cylindrical portion 11; the lower through groove 15 is in a U shape, the lower through groove 15 is located at the bottom and both sides of the lower elastic claw 13, and the upper part of the lower elastic claw 13 is connected to the cylindrical portion 11.

[0043] By providing the upper through groove 14 and the lower through groove 15 that penetrate through the inside and outside, the upper elastic claw 12 and the lower elastic claw 13 are formed on the side wall of the cylindrical portion 11 in this way. The shape of the upper through groove 14 is set to an inverted U shape, and the shape of the lower through groove 15 is set to a U shape, so that the distance between the elastic ends of the upper elastic claw 12 and the lower elastic claw 13 is as large as possible, making the lifting collar 1 clamp the sliding tube 4 more stably.

[0044] Preferably, the teeth 133 are formed on the outer side of the lower elastic claw 13. In this way, the elasticity of the lower elastic claw 13 is fully utilized; when the lifting collar 1 is installed on the faucet body 2, the lifting collar 1 passes through the mounting hole 21 from top to bottom. At this time, the lower elastic claw 13 elastically deforms inward. Until the lifting collar 1 is in place, the lower elastic claw 13 returns to its original position, so that the teeth 133 are stuck on the faucet body 2 at the lower opening of the mounting hole 21 to prevent the lifting collar 1 from coming off; after the lifting collar 1 is installed in place, the lower elastic claw 13 still has a certain amplitude of elastic deformation outward, so that the lower elastic claw 13 elastically abuts against the sliding tube 4.

[0045] Preferably, abutting portions 131 are respectively formed on the inner sides of the upper elastic claw 12 and the lower elastic claw 13 away from the roots. The abutting portions 131 have abutting surfaces 132 for abutting against the sliding tube 4, and the abutting surfaces 132 are closer to the central axis of the cylindrical portion 11 than the inner surface of the side wall of the cylindrical portion 11.

[0046] In this way, the lifting collar 1 contacts the sliding tube 4 through these abutting surfaces 132, so that the sliding tube 4 slides up and down in the mounting hole 21. Moreover, due to the existence of the upper elastic claw 12 and the lower elastic claw 13, the inner wall of the cylindrical portion 11 does not contact the sliding tube 4, but an air flow channel is formed between the inner wall of the cylindrical portion 11 and the outer wall of the sliding tube 4. The air flow channel also exists between two adjacent upper elastic claws 12 and between two adjacent lower elastic claws 13. In this way, the inner cavity of the faucet body 2 communicates with the outside atmosphere, and the inner cavity of the faucet body 2 will not generate negative pressure or increased air pressure when the sliding tube 4 moves, thus avoiding affecting the normal sliding feel of the sliding tube 4.

[0047] Preferably, the cylindrical portion 11 has an auxiliary positioning section 17 located between two adjacent lower elastic claws 13, the lower portion of the U-shaped lower through groove 15 is connected to the lower end of the cylindrical portion 11, and the lower edge of the auxiliary positioning section 17 is lower than the lower edge of the lower elastic claw 13; the lower inner wall of the auxiliary positioning section 17 is formed with an arc chamfered portion 171. When the sliding tube 4 slides to the upper limit position, the bell mouth 42 at the lower end of the sliding tube 4 abuts against the arc chamfered portion of the auxiliary positioning section 17, and the lower elastic claw 13 abuts against the positioning annular groove 41 on the sliding tube 4, thereby achieving a double positioning effect, reducing the shaking of the sliding tube 4 after it rises to the upper limit position, and increasing stability.

[0048] When the auxiliary positioning section 17 is provided, the lower through groove 15 separates the side of the lower elastic claw 13 from the side wall of the auxiliary positioning section 17. When the auxiliary positioning section 17 is not provided and the lower part of the lower through groove 15 in the shape of a U is connected to the lower end of the cylindrical portion 11, the lower through groove 15 separates two adjacent lower elastic claws 13.

[0049] Preferably, the cylindrical portion 11 is in the shape of a hollow cylinder, and the clamping edge 16 is in the shape of a ring with an inner ring integrally connected to the upper edge of the cylindrical portion 11. In this way, the sliding tube 4 can rotate around the axis, thereby increasing the adjustment of the direction of the upper water outlet bracket.

[0050] Preferably, the number of the upper elastic claws 12 and the lower elastic claws 13 is the same, the upper elastic claws 12 are distributed at equal angles in the cylindrical portion 11, and the lower elastic claws 13 are distributed at equal angles in the cylindrical portion 11; in the axial projection direction of the cylindrical portion 11, the upper elastic claws 12 and the lower elastic claws 13 are alternately arranged along a ring. The number of the upper elastic claws 12 and the lower elastic claws 13 are both four, and the adjacent two upper elastic claws 12 are distributed at 90° intervals, and the adjacent two lower elastic claws 13 are distributed at 90° intervals; in the axial projection direction of the cylindrical portion 11, the center of each upper elastic claw 12 is distributed at 45° with the adjacent lower elastic claws.

[0051] In the axial projection direction of the cylindrical portion 11 , the upper elastic abutment claws 12 and the lower elastic abutment claws 13 are alternately arranged along the ring to make the abutment points more evenly distributed, abut the sliding tube 4 from more directions, and make the sliding tube 4 more stable.

[0052] like Figures 5 to 11As shown, it is a lifting faucet also provided by the utility model, including a faucet body 2, a water outlet bracket, a sliding tube 4 and the above-mentioned lifting sleeve 1, the top of the faucet body 2 is extended downward to be provided with a mounting hole 21, the cylindrical portion 11 is clamped with the faucet body 2 and fixed in the mounting hole 21, and the clamping edge 16 is located at the top of the faucet body 2 at the upper end of the mounting hole 21; the sliding tube 4 passes through the lifting sleeve 1, and the upper elastic claw 12 and the lower elastic claw 13 are abutted on the outer wall of the sliding tube 4; the water outlet bracket is fixedly connected to the upper end of the sliding tube 4; a positioning annular groove 41 is formed at the lower part of the sliding tube 4, and when the sliding tube 4 moves upward to the upper limit position, the lower elastic claw 13 is clamped into the positioning annular groove 41.

[0053] The lower end of the sliding tube 4 has a bell mouth 42. When the sliding tube 4 slides to the upper limit position, the bell mouth 42 at the lower end of the sliding tube 4 abuts against the arc chamfered portion 171 of the auxiliary positioning section 17. The auxiliary positioning section 17 slightly deforms outward, reducing the gap shaking caused by the positioning annular groove 41 on the sliding tube 4 commonly used in the market being larger than the abutting portion 131 on the lower elastic abutting claw 13, thereby making the sliding tube 4 more stable at the upper limit position.

[0054] Compared with the prior art, the utility model replaces the traditional fixing parts and movable parts with the plastic sleeve 10, thereby reducing the cost. When in use, the latching teeth 133 are fixed in the faucet body 2, and the upper elastic claw 12 and the lower elastic claw 13 are used to position the sliding tube 4 and maintain the sliding damping feel.

[0055] The above embodiments and drawings do not limit the product form and style of the present utility model. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the present utility model.

Claims

1. A lifting ferrule, characterized in that: It includes a sleeve integrally formed of plastic material. The sleeve includes a tubular part that penetrates up and down and a clamping edge formed at the upper edge of the upper end of the tubular part. A plurality of upper elastic claws for abutting against the sliding tube are formed on the upper part of the side wall of the tubular part, and the root of the upper elastic claw is connected to the tubular part. A plurality of lower elastic claws for abutting against the sliding tube are formed on the lower part of the side wall of the tubular part, and the root of the lower elastic claw is connected to the tubular part. The sleeve also has teeth for clamping and fixing with the faucet body.

2. A lifting sleeve as claimed in claim 1, characterized in that: An upper through groove located on the outer periphery of the upper elastic claw is formed on the tubular part, and the upper through groove penetrates the inner side and the outer side of the side wall of the tubular part. A lower through groove located on the outer periphery of the lower elastic claw is formed on the tubular part, and the lower through groove penetrates the inner side and the outer side of the side wall of the tubular part.

3. A lifting sleeve as claimed in claim 2, characterized in that: The upper through groove is in an inverted U shape, and the upper through groove is located at the top and both sides of the upper elastic claw. The lower part of the upper elastic claw is connected to the tubular part. The lower through groove is in a U shape, and the lower through groove is located at the bottom and both sides of the lower elastic claw. The upper part of the lower elastic claw is connected to the tubular part.

4. A lifting sleeve as claimed in claim 2, characterized in that: The teeth are formed on the outer side of the lower elastic claw.

5. A lifting sleeve as claimed in claim 3, characterized in that: The tubular part has an auxiliary positioning section located between two adjacent lower elastic claws. The lower part of the U-shaped lower through groove communicates with the lower end of the tubular part. The lower edge of the auxiliary positioning section is lower than the lower edge of the lower elastic claw. An arc chamfering part is formed on the inner wall of the lower section of the auxiliary positioning section.

6. A lifting sleeve as described in any one of claims 1 to 5, characterized in that: On the inner side of the upper elastic claw and the lower elastic claw away from the root, abutting parts are respectively formed. The abutting part has an abutting surface for abutting against the sliding tube, and the abutting surface is closer to the central axis of the tubular part than the inner surface of the side wall of the tubular part.

7. A lifting sleeve as claimed in claim 6, characterized in that: The tubular part is in the shape of a hollow cylinder, and the clamping edge is in a circular ring shape integrally connected to the upper edge of the tubular part.

8. A lifting sleeve as claimed in claim 7, characterized in that: The number of the upper elastic claws is the same as that of the lower elastic claws. The upper elastic claws are equally angularly spaced and distributed within the tubular part. The lower elastic claws are equally angularly spaced and distributed within the tubular part. In the axial projection direction of the tubular part, the upper elastic claws and the lower elastic claws are alternately arranged along the ring.

9. A lifting sleeve as claimed in claim 8, characterized in that: The number of both the upper elastic claws and the lower elastic claws is four. Adjacent two upper elastic claws are spaced 90° apart, and adjacent two lower elastic claws are spaced 90° apart. In the axial projection direction of the tubular part, the center of each upper elastic claw and the adjacent lower elastic claw are spaced 45°.

10. A lifting faucet, characterized in that: It includes a faucet body, a water outlet bracket, a sliding tube and a lifting clamping sleeve as described in any one of claims 1-9. An installation hole is downwardly extended and provided at the top end of the faucet body. The tubular part is clamped and fixed in the installation hole with the faucet body, and the clamping edge is located at the top of the faucet body at the upper end of the installation hole. The sliding tube passes through the lifting clamping sleeve, and the upper elastic claws and the lower elastic claws abut against the outer wall of the sliding tube. The water outlet bracket is fixedly connected to the upper end of the sliding tube. A positioning annular groove is formed at the lower part of the sliding tube. When the sliding tube moves upward to the upper limit position, the lower elastic claw is clamped into the positioning annular groove.

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