CN203223680U

CN203223680U - Locking and clamping device for lifting tap

Info

Publication number: CN203223680U
Application number: CN 201320172894
Authority: CN
Inventors: 孙利民; 杨瑾; 杨捷; 孙宁; 卫星
Original assignee: 孙利民
Priority date: 2013-04-09
Filing date: 2013-04-09
Publication date: 2013-10-02
Anticipated expiration: 2023-04-09

Abstract

A locking and clamping device for a lifting tap comprises a fixed pipe and a lifting pipe, wherein the lifting pipe is sleeved in the fixed pipe and can move in the axial direction of the fixed pipe. The locking and clamping device is characterized in that the pipe periphery of the lifting pipe is provided with at least one concave loop or one bulge loop, the head end or the tail end of the fixed pipe is provided with an elastic locking and clamping mechanism for locking and clamping the concave loop or the bulge loop, the elastic locking and clamping mechanism limits a radial elastic gap, and the radial elastic gap locks and clamps the concave loop or the bulge loop. Compared with the prior art, the locking and clamping device has the advantage that the stability and reliability of locking and clamping the lifting pipe are improved.

Description

A kind of card locking device for the lifting water tap

Technical field

The utility model relates to a kind of card locking device for the lifting water tap, and it belongs to lifting water tap position local device class.

Background technique

Water tap is very common in daily life, the lifting water tap of prior art is that Chinese utility model patent CN201120028414.7 is disclosed, the disclosed this lifting water tap of CN201120028414.7, comprise a fixed tube and a fall way, described fall way is sleeved in the fixed tube, and can be along the fixed tube axial motion, the fall way upper end is used for connecting water tap during use, also be set with a taper cushion rubber on the described fall way, the fixed tube upper end has screw socket, also comprise a blind nut, described blind nut is sleeved on the taper cushion rubber, and the screw socket of blind nut and fixed tube upper end screws togather, blind nut makes the distortion of taper cushion rubber when tightening, make it fall way is held tightly, thus lifting, and may be locked in a locational function of determining.After the problem that this lifting water tap of prior art exists is to use a period of time wearing and tearing back and cushion rubber in use to intake, all directly have influence on taper cushion rubber effectively holding tightly fall way, influence is used, and obviously prior art has further improved necessity.

Summary of the invention

The purpose of this utility model is to provide a kind of card locking device for the lifting water tap, to overcome the problem that prior art exists.

A kind of card locking device for the lifting water tap of the present utility model, comprise fixed tube and fall way, described fall way is sleeved in the described fixed tube, and can move axially along fixed tube, it is characterized in that being formed with at least on the pipe periphery of described fall way one notch ring or bulge loop, the termination of described fixed tube or end are formed with the Elastic locking fastener mechanism that described notch ring or bulge loop is carried out pintle hook lock on the tail, and described Elastic locking fastener mechanism limits a radial elastic pass, and described radial elastic pass forms pintle hook lock to described notch ring or bulge loop.

As one of preferred, be formed with one the notch ring on the pipe periphery of described fall way, described Elastic locking fastener mechanism is located at by the fixed tube grooving that runs through described fixed tube tube wall and inlay card that radially jump ring in the described fixed tube grooving is described to be constituted; The width in the radial elastic pass that described radially jump ring limits is less than the outer tube diameter of described fall way.

As preferred two, be formed with bulge loop one on the pipe periphery of described fall way, described Elastic locking fastener mechanism is by connecting firmly pintle hook lock pipe, the pintle hook lock pipe grooving that runs through described pintle hook lock tube wall that is connected on the fixed tube tail end and being fastened on that radially jump ring in the described pintle hook lock pipe grooving is described to be constituted; The endoporus of described pintle hook lock pipe and the maximum outside diameter of described bulge loop adapt, and the width in the radial elastic pass that described radially jump ring limits is less than the external diameter of described bulge loop.

As preferred three, be formed with bulge loop one on the pipe periphery of described fall way, described Elastic locking fastener mechanism is made of the pintle hook lock pawl on the ring limit that connects firmly the pintle hook lock ring that is connected on the fixed tube tail end, is hinged on snap ring and the spiral cup spring that is fastened on the described pintle hook lock pawl, described spiral cup spring limits the radial elastic pass that described pintle hook lock claw type becomes an annular, and the diameter in the radial elastic pass of annular is less than the external diameter of described bulge loop.

This card locking device for the lifting water tap of the present utility model, by notch ring or bulge loop are set at fall way, and the Elastic locking fastener mechanism that can form the radial elastic pass fixed tube setting, by the radial elastic pass notch ring on the fall way or bulge loop are carried out pintle hook lock, prior art relies on and makes taper cushion rubber distortion realization to the pintle hook lock mode of holding tightly of fall way relatively, reliability and stability of the present utility model are promoted greatly, structure is also simple relatively simultaneously, and obviously the purpose of this utility model is achieved.

Description of drawings

Fig. 1 is the structural representation of a kind of card locking device for the lifting water tap of providing of the utility model preferred embodiment one;

Fig. 2 is the view sub-anatomy of a kind of card locking device for the lifting water tap shown in Figure 1;

Fig. 3 is the structural representation of a kind of card locking device for the lifting water tap of providing of the utility model preferred embodiment two;

Fig. 4 is the view sub-anatomy of a kind of card locking device for the lifting water tap shown in Figure 3;

Fig. 5 is the structural representation of a kind of card locking device for the lifting water tap of providing of the utility model preferred embodiment three;

Among each figure:

1 is fall way;

101 is the notch ring;

102 is positioning ring;

103 is bulge loop;

2 is fixed tube;

201 is the fixed tube grooving;

3 are jump ring radially;

4 is the pintle hook lock pipe;

401 is pintle hook lock pipe grooving;

5 is the pintle hook lock ring;

6 is the pintle hook lock pawl;

7 is the spiral cup spring.

Embodiment

Below with reference to the utility model preferred embodiment provide a kind of for the lifting water tap card locking device and accompanying drawing the utility model is described in further detail.

Embodiment one: as accompanying drawing 1, shown in the accompanying drawing 2, a kind of card locking device for the lifting water tap that this preferable example provides comprises fixed tube 2 and fall way 1, described fall way 1 is sleeved in the described fixed tube 2, and can move axially along fixed tube 2, its main points are to be formed with notch ring 101 one on the pipe periphery of described fall way 1, be formed with the Elastic locking fastener mechanism that described notch ring or bulge loop is carried out pintle hook lock on the end tail of described fixed tube 2, described Elastic locking fastener mechanism is located at by the fixed tube grooving 201 that runs through described fixed tube 2 tube walls and inlay card that radially jump ring 3 in the described fixed tube grooving 201 is described to be constituted, and form and radial elastic pass of restriction, the width in described radial elastic pass is less than the outer tube diameter of described fall way 1, when described fall way 1 along fixed tube 2 axial motions, when the notch ring 101 on the described fall way 1 arrives fixed tube grooving 201 positions, radially the steel wire of jump ring 3 snaps in the notch ring 101 and goes, thereby described radial elastic pass forms pintle hook lock to described notch ring 101.Firmly excessive in order to prevent from using, fall way 1 is transferred to fixed tube 2 fully, and in this preferred embodiment, the tail end of described fall way 1 is provided with positioning ring 102, the diameter of positioning ring 102 is greater than the internal diameter of fixed tube 2, till can limit the axial limit position of fall way 1 relative fixed pipe 2.

Embodiment two: as accompanying drawing 2, shown in the accompanying drawing 3, a kind of card locking device for the lifting water tap that this preferable example provides comprises fixed tube 2 and fall way 1, described fall way 1 is sleeved in the described fixed tube 2, and can move axially along fixed tube 2, its main points are to be formed with bulge loop 103 one on the pipe periphery of described fall way 1, be formed with the Elastic locking fastener mechanism that described bulge loop 103 is carried out pintle hook lock on the end tail of described fixed tube 2, described Elastic locking fastener mechanism is by connecting firmly the pintle hook lock pipe 4 that is connected on the fixed tube tail end, run through the pintle hook lock pipe grooving 401 of described pintle hook lock pipe 4 tube walls and be fastened on radially jump ring 3 described formations in the described pintle hook lock pipe grooving 401; The maximum outside diameter of the endoporus of described pintle hook lock pipe 4 and described bulge loop 103 adapts, and the width in the radial elastic pass that described radially jump ring 3 limits is less than the external diameter of described bulge loop 103.

Embodiment three: as accompanying drawing 2, shown in the accompanying drawing 3, a kind of card locking device for the lifting water tap that this preferable example provides comprises fixed tube 2 and fall way 1, described fall way 1 is sleeved in the described fixed tube 2, and can move axially along fixed tube 2, its main points are to be formed with bulge loop 103 one on the pipe periphery of described fall way 1, be formed with the Elastic locking fastener mechanism that described bulge loop 103 is carried out pintle hook lock on the end tail of described fixed tube 2, described Elastic locking fastener mechanism is by connecting firmly the pintle hook lock ring 5 that is connected on fixed tube 2 tail ends, being hinged on the pintle hook lock pawl 6 on the ring limit of snap ring 5 and the spiral cup spring 7 that is fastened on the described pintle hook lock pawl constitutes, described spiral cup spring 3 limits the radial elastic pass that described pintle hook lock pawl 6 forms an annular, and the diameter in the radial elastic pass of annular is less than the external diameter of described bulge loop 103.

In sum, a kind of card locking device for the lifting water tap of the present utility model, comprise fixed tube and fall way, described fall way is sleeved in the described fixed tube, and can move axially along fixed tube, it is characterized in that being formed with at least on the pipe periphery of described fall way one notch ring or bulge loop, the termination of described fixed tube or end are formed with the Elastic locking fastener mechanism that described notch ring or bulge loop is carried out pintle hook lock on the tail, and described Elastic locking fastener mechanism limits a radial elastic pass, described radial elastic pass forms pintle hook lock to described notch ring or bulge loop, and prior art the utility model has promoted stability and the reliability to the fall way pintle hook lock relatively.

The above only is embodiment of the present utility model.But the utility model protection domain is not limited thereto.Anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement; all should be encompassed within the protection domain of the present utility model, therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.

Claims

1. card locking device that is used for the lifting water tap, comprise fixed tube and fall way, described fall way is sleeved in the described fixed tube, and can move axially along fixed tube, it is characterized in that being formed with at least on the pipe periphery of described fall way one notch ring or bulge loop, the termination of described fixed tube or end are formed with the Elastic locking fastener mechanism that described notch ring or bulge loop is carried out pintle hook lock on the tail, and described Elastic locking fastener mechanism limits a radial elastic pass, and described radial elastic pass forms pintle hook lock to described notch ring or bulge loop.

2. a kind of card locking device for the lifting water tap according to claim 1, it is characterized in that being formed with the notch ring one on the pipe periphery of described fall way, described Elastic locking fastener mechanism is located at by the fixed tube grooving that runs through described fixed tube tube wall and inlay card that radially jump ring in the described fixed tube grooving is described to be constituted; The width in the radial elastic pass that described radially jump ring limits is less than the outer tube diameter of described fall way.

3. a kind of card locking device for the lifting water tap according to claim 2 is characterized in that the tail end of described fall way is provided with positioning ring, and the diameter of positioning ring is greater than the internal diameter of fixed tube.

4. a kind of card locking device for the lifting water tap according to claim 1, it is characterized in that being formed with bulge loop one on the pipe periphery of described fall way, described Elastic locking fastener mechanism is by connecting firmly pintle hook lock pipe, the pintle hook lock pipe grooving that runs through described pintle hook lock tube wall that is connected on the fixed tube tail end and being fastened on that radially jump ring in the described pintle hook lock pipe grooving is described to be constituted; The endoporus of described pintle hook lock pipe and the maximum outside diameter of described bulge loop adapt, and the width in the radial elastic pass that described radially jump ring limits is less than the external diameter of described bulge loop.

5. a kind of card locking device for the lifting water tap according to claim 1, it is characterized in that being formed with bulge loop one on the pipe periphery of described fall way, described Elastic locking fastener mechanism is made of the pintle hook lock pawl on the ring limit that connects firmly the pintle hook lock ring that is connected on the fixed tube tail end, is hinged on snap ring and the spiral cup spring that is fastened on the described pintle hook lock pawl, described spiral cup spring limits the radial elastic pass that described pintle hook lock claw type becomes an annular, and the diameter in the radial elastic pass of annular is less than the external diameter of described bulge loop.