CN2327827Y

CN2327827Y - Improved joints of rack body

Info

Publication number: CN2327827Y
Application number: CN 98201705
Authority: CN
Inventors: 杨进来
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-02-24
Filing date: 1998-02-24
Publication date: 1999-07-07
Anticipated expiration: 2008-02-24

Abstract

The utility model provides the improved joint of a frame body. The utility model is an improvement created for solving the defects of the joint of a traditional frame body, and the defects are that the joint of the traditional frame body can not effectively fasten a previous joint pipe and can damage the structure of the previous joint pipe. An elastic fastening slice which is integrally formed is axially arranged on the boring wall of the trepan boring of the main body of a joint, one end of the elastic fastening slice is connected with the main body, the other end of the elastic fastening slice is hung, and a metallic spacing piece is inserted between the fastening slice and the main body of the joint; when a turn knob is tightly screwed, the elastic fastening slice can be indirectly driven through the metallic spacing piece, the large-area mode of the axially extended elastic fastening slice can be utilized for fastening a joint pipe so as to gain larger friction drag, and consequently, a previous joint pipe is positioned even more firmly; besides, the surface structure of each joint pipe and the surface structure of the elastic fastening slice can not be directly damaged; during the application of the utility model, the durability and the beautiful appearance of the utility model are guaranteed.

Description

Support body improvement joint

The utility model relates to a kind of support body joint, have more the dignity speech, particularly but confession under directions is socketed in up and down between two adjacent pipe joints and mat turning knob and discharge in good time or tighten pipe joint, a kind of support body improvement joint of innovating structure of the short degree of adjustment rack height according to this of various scalable support bodys.

Be generally can be neatly according to user's height, sitting posture, use habit or take the convenience of object and the suitable height of change table body or support body, its easy a kind of method promptly is its supporting rod to be made into to two above pipe joints by the different tube diameters size socket-connect constitute form extending or that shorten, and manual adjustment for the benefit of, at the adjustment joint that up and down also can the socket spiral shell between double section tube be provided with knob, be a kind of frequent use as shown in Figure 1 at microphone boom, joint 1 on music stand and the multiple workbench, the structure of this joint 1 is that the aperture design with its trepanning is up-small and down-big two stratum kenel, the circle footpath of promptly going up loop order 10 is equivalent to the round external diameter of pipe joint 21 down that directly then is equivalent to of loop order 11 under pipe joint 20 external diameters, make its discontinuous terrace 22 can be resisted against down pipe joint 21 tops and obtain and locate, and allow that going up pipe joint 20 can free in and out down pipe joint 21, only on joint 1 in addition radially spiral shell be provided with single knob 12, utilization screw this knob 12 and can mat its screw rod end support and compel to go up pipe joint 20 and locate, yet, in fact because this knob 12 only is to conflict with a way of contact to go up pipe joint 20 tube walls, be with on the one hand too narrow and small because of to each other area of contact, and the point of action of power is single again, so certainly will will cause the bearing force quantity not sufficient, and make pipe joint 20 landing downwards at any time under pressurized, danger to the utmost point, on the other hand again because of only contacting with the minimum end points of area, so the end of this knob 12 under the identical pushing tow application of force will on pipe joint 20 corresponding parts produce great focus pressure, make its body surface can in adjustment process repeatedly, suffer to stab and decrease scratch, cause mottled corrosion, very be repugnant to the eye in fact, even can make body because of the pressurized depressed deformation, influence locating effect backward.

In view of this, the inventor is through detailed thinking, and long-pending research and development and the marketing experience of specializing in all types of glove support bodys for many years, several times manufactures experimently and studies, and develops the better and more certain a kind of support body improvement joint of locating effect finally.

Main purpose of the present utility model is to be to provide a kind of support body improvement joint, mainly be axially to form an end then unsettled elasticity of the other end that links to each other with body to compel sheet at the hole wall place of joint body trepanning, and insert an intermetallic partition again in this urgent sheet inboard, but mat intermetallic partition promotes this elasticity indirectly and compels sheet when screwing knob, not only can be because of area of contact increase the more effectively upper and lower pipe joint of packing, and can not undermine the surface structure of the urgent sheet of upper and lower pipe joint and elasticity again.

The purpose of this utility model is achieved in that a kind of support body improvement joint, the trepanning aperture of this joint is made into up-small and down-big dicyclo rank kenel, for being socketed on down behind the pipe joint and keep supplying pipe joint and freely put in, stretch out pipe joint down, and can mat rotate and be arranged in the other knob of joint and packing in good time or discharge and go up pipe joint, it is characterized in that: the hole wall of joint trepanning corresponding to the knob place at least one vertically body formed have one one end to link to each other with this joint body elasticity that the other end then is vacant state is compeled sheet, and make this elasticity compel to be reserved with between sheet and joint body slit for the intermetallic partition of planting, when changeing tight knob, this knob can promote the urgent sheet of elasticity and the packing pipe joint by mat intermetallic partition indirectly.Joint respectively is provided with a knob with respect to the last loop order of trepanning with following loop order place.The length of urgent sheet of elasticity and intermetallic partition is suitable with the axial length of joint body, and quantity is single.On the joint trepanning, respectively be provided with one group of elasticity on the opposite side of following loop order respectively and compel sheet and intermetallic partition, and correspondence is provided with two knobs and can controls two elasticity independently and compel the sheet upper and lower pipe joint of packing respectively ordinatedly.

In sum, the above-mentioned support body improvement joint that discloses of the utility model, by in the direct one-body molded flexible urgent sheet and plug an intermetallic partition and can and prevent that really knob from destroying pipe structure of trepanning periphery with the firm packing of pipe joint, so practicability of the present utility model and progressive should be unquestionable, structure of the present utility model again also never sees like product and public use, more do not see before the application on all class publications, so it also meets the requirement of novelty.

Fig. 1 is the structural plan sectional view of a kind of joint of prior art.

Fig. 2 is a structural upright sectional view of the present utility model.

Fig. 3 is a plan view of the present utility model.

Fig. 4 is the structural plan sectional view of the utility model user mode.

Fig. 5 is the structural plan sectional view of the another kind of embodiment's user mode of the utility model.

The figure number explanation:

1. 11. times loop orders of loop order on the joint 10.

12. 21. times pipe joints of pipe joint on the knob 20.

22. loop order on terrace 3. joints 30.

31. following loop order 32. projections 320. screws

321. screw 322. slits 323. containing grooves

33. upper knob 330. nuts 34. lower knobs

340. nut 35. elasticity are compeled sheet 36. distance pieces

37. 41. times pipe joints of pipe joint on the terrace 40.

The utility model is described in further detail with embodiment below in conjunction with accompanying drawing:

At first see also Fig. 2, shown in Figure 3, preferred embodiment for the utility model support body improvement joint, the hole wall of these joint 3 body trepannings is also as being made into the bigger following loop order 31 in less last loop order 30 in circle footpath and circle footpath as the prior art structure to correspond respectively to pipe joint 40 and following pipe joint 41, one side of its middle joint 3 bodies protrudes and forms rectangle projection 32, on the outer side surface of projection 32, the below corresponds respectively to loop order 30 and is provided with screw 320 with following loop order 31 places, 321, but wherein for upper knob 33 and lower knob 34 screw locks, the inner side surface of projection 32 then is formed with the upper end axial elasticity that the lower end then is vacant state that links to each other with body and compels sheet 35, and make itself and 32 of projections be formed with T shape space so that its slit 322 can plug that intermetallic partition 36 containing grooves 323 can insert just then that confession two knob spiral shells the are established nut 330 of locating, 340.

So as shown in Figure 4, when making terrace 37 between its two loop order be resisted against down on pipe joint 41 end faces when this joint 3 is inserted in down pipe joint 41, can screw lower knob 34 earlier, it is directly supported compels intermetallic partition 36 and promotes elasticity more indirectly and compel sheet 35 and make this elasticity compel sheet 35 hypomeres can compel to paste down pipe joint 41 and go ahead of the rest and locate, the continuous position of going up pipe joint 40 of adjusting is locked upper knob 33 with respect to following pipe joint 41 after suitably protruding out length relatively, the epimere that can make elasticity compel sheet 35 by the intermediary of intermetallic partition 36 more closely urges pipe joint 40 tube walls, makes pipe joint 40, following pipe joint 41 can firmly combine to each other with joint 3 threes.

Hence one can see that, the calculating that the urgent sheet 35 of elasticity of the present utility model makes full use of its friction area in the surface friction drag principle is the actual area of contact that produces relative displacement at being subjected to the external force effect between two objects, promptly go up, following

pipe joint

40,41 frictional force direction is on axially, so be especially elasticity to be compeled sheet 35 also to be designed to axial extension accordingly, and can strengthen therebetween surface friction drag, and moreover, elasticity is compeled sheet 35 more can related each pipe joint of horizontal extruding when the packing pipe joint and the subsides effect of closely compeling that forces each pipe joint to produce annulus area between simultaneously can corresponding loop order with it, promptly area of contact is therebetween compeled sheet 35 automatic expansions with own elasticity and is extended to the surface area that is close to whole trepanning hole wall, and can therefore effectively guarantee to go up the worry that pipe joint 40 does not have landing.

In addition even more noteworthy, the metal screw top of each knob does not directly contact, following

pipe joint

40,41 or elasticity compel sheet 35, push elasticity indirectly but first contact is held the strength of continuous this pushing tow again after being all the intermetallic partition 36 of hard rigid material and compel sheet 35, so the screw tip of each knob can't be scraped on the damage, following

pipe joint

40,41 body surface, the also unlikely elasticity of exposing is compeled sheet 35, and the area that elasticity is compeled sheet 35 can disperse external force greatly again, significantly subdue the pressure that each pipe joint tube wall is produced, therefore each pipe joint more can be out of shape, and can keep the integrity of each member, firm and durable.

Again, in previous embodiment on fixing simultaneously, following

pipe joint

40,41 with joint 3, so be on adopting, following two knobs, wherein lower knob 34 is promptly dismantled separation usually no longer arbitrarily after joint 3 is socketed on down on the pipe joint 41, so screw rod that can also be general directly replaces using (as in this example promptly being), simultaneously again on avoiding, lower knob 33, idol had the worry that interferes with each other when the same elasticity of 34 packings was simultaneously compeled sheet 35, as can be as shown in Figure 5 two knobs separately be installed on the corresponding dual side-edge of joint 3 bodies, promptly be provided with independently urgent sheet 35 of elasticity and intermetallic partition 36 in last loop order 30, on the following loop order 31 of another corresponding sides, also be provided with simultaneously independently urgent sheet 35 of elasticity and intermetallic partition 36, and controlled by corresponding knob.

Claims

1, a kind of support body improvement joint, the trepanning aperture of this joint is made into up-small and down-big dicyclo rank form, keep supplying pipe joint for being socketed on down behind the pipe joint and freely put in, stretch out pipe joint down, and can mat rotate and be arranged in the other knob of joint and packing in good time or discharge and go up pipe joint, it is characterized in that:

The hole wall of joint trepanning corresponding to the knob place at least one vertically body formed have one one end to link to each other with this joint body elasticity that the other end then is vacant state is compeled sheet, and make this elasticity compel to be reserved with between sheet and joint body slit for the intermetallic partition of planting, when changeing tight knob, this knob can promote the urgent sheet of elasticity and the packing pipe joint by mat intermetallic partition indirectly.

2, a kind of support body improvement joint according to claim 1 is characterized in that joint respectively is provided with a knob with respect to the last loop order of trepanning with following loop order place.

3, a kind of support body improvement joint according to claim 1, it is suitable to it is characterized in that elasticity is compeled the axial length of the length of sheet and intermetallic partition and joint body, and quantity is single.

4, a kind of support body improvement joint according to claim 1, it is characterized in that on the opposite side of the upper and lower loop order of joint trepanning, respectively being provided with respectively one group of elasticity and compel sheet and intermetallic partition, and correspondence is provided with two knob faces and can controls two elasticity independently and compel sheet and distinguish the upper and lower pipe joint of packing ordinatedly.